Archive-Team
/
sonarr-repo-only
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Dapper and STJson 

Co-Authored-By: ta264 <ta264@users.noreply.github.com>
This commit is contained in:
Qstick 2021-08-04 00:00:28 -04:00 committed by Mark McDowall
parent 1c22a1ec0d
commit 2e953a0eb1
259 changed files with 3719 additions and 10852 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

74
src/Marr.Data/Converters/BooleanIntConverter.cs
View File

@ -1,74 +0,0 @@
/* Copyright (C) 2008 - 2011 Jordan Marr
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>. */
using System;
using Marr.Data.Mapping;
namespace Marr.Data.Converters
{
public class BooleanIntConverter : IConverter
{
public object FromDB(ConverterContext context)
{
if (context.DbValue == DBNull.Value)
{
return DBNull.Value;
}
int val = (int)context.DbValue;
if (val == 1)
{
return true;
}
if (val == 0)
{
return false;
}
throw new ConversionException(
string.Format(
"The BooleanCharConverter could not convert the value '{0}' to a boolean.",
context.DbValue));
}
public object FromDB(ColumnMap map, object dbValue)
{
return FromDB(new ConverterContext { ColumnMap = map, DbValue = dbValue });
}
public object ToDB(object clrValue)
{
bool? val = (bool?)clrValue;
if (val == true)
{
return 1;
}
if (val == false)
{
return 0;
}
return DBNull.Value;
}
public Type DbType
{
get
{
return typeof(int);
}
}
}
}

74
src/Marr.Data/Converters/BooleanYNConverter.cs
View File

@ -1,74 +0,0 @@
/* Copyright (C) 2008 - 2011 Jordan Marr
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>. */
using System;
using Marr.Data.Mapping;
namespace Marr.Data.Converters
{
public class BooleanYNConverter : IConverter
{
public object FromDB(ConverterContext context)
{
if (context.DbValue == DBNull.Value)
{
return DBNull.Value;
}
string val = context.DbValue.ToString();
if (val == "Y")
{
return true;
}
if (val == "N")
{
return false;
}
throw new ConversionException(
string.Format(
"The BooleanYNConverter could not convert the value '{0}' to a boolean.",
context.DbValue));
}
public object FromDB(ColumnMap map, object dbValue)
{
return FromDB(new ConverterContext {ColumnMap = map, DbValue = dbValue});
}
public object ToDB(object clrValue)
{
bool? val = (bool?)clrValue;
if (val == true)
{
return "Y";
}
if (val == false)
{
return "N";
}
return DBNull.Value;
}
public Type DbType
{
get
{
return typeof(string);
}
}
}
}

53
src/Marr.Data/Converters/CastConverter.cs
View File

@ -1,53 +0,0 @@
/* Copyright (C) 2008 - 2011 Jordan Marr
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>. */
using System;
using System.Globalization;
using Marr.Data.Mapping;
namespace Marr.Data.Converters
{
public class CastConverter<TClr, TDb> : IConverter
where TClr : IConvertible
where TDb : IConvertible
{
#region IConversion Members
public Type DbType
{
get { return typeof(TDb); }
}
public object FromDB(ConverterContext context)
{
TDb val = (TDb)context.DbValue;
return val.ToType(typeof(TClr), CultureInfo.InvariantCulture);
}
public object FromDB(ColumnMap map, object dbValue)
{
return FromDB(new ConverterContext { ColumnMap = map, DbValue = dbValue });
}
public object ToDB(object clrValue)
{
TClr val = (TClr)clrValue;
return val.ToType(typeof(TDb), CultureInfo.InvariantCulture);
}
#endregion
}
}

26
src/Marr.Data/Converters/ConversionException.cs
View File

@ -1,26 +0,0 @@
/* Copyright (C) 2008 - 2011 Jordan Marr
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>. */
using System;
namespace Marr.Data.Converters
{
public class ConversionException : Exception
{
public ConversionException(string message)
: base(message)
{ }
}
}

13
src/Marr.Data/Converters/ConverterContext.cs
View File

@ -1,13 +0,0 @@
using System.Data;
using Marr.Data.Mapping;
namespace Marr.Data.Converters
{
public class ConverterContext
{
public ColumnMap ColumnMap { get; set; }
public object DbValue { get; set; }
public ColumnMapCollection MapCollection { get; set; }
public IDataRecord DataRecord { get; set; }
}
}

50
src/Marr.Data/Converters/EnumIntConverter.cs
View File

@ -1,50 +0,0 @@
/* Copyright (C) 2008 - 2011 Jordan Marr
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>. */
using System;
using Marr.Data.Mapping;
namespace Marr.Data.Converters
{
public class EnumIntConverter : IConverter
{
public object FromDB(ConverterContext context)
{
if (context.DbValue == null || context.DbValue == DBNull.Value)
return null;
return Enum.ToObject(context.ColumnMap.FieldType, (int)context.DbValue);
}
public object FromDB(ColumnMap map, object dbValue)
{
return FromDB(new ConverterContext { ColumnMap = map, DbValue = dbValue });
}
public object ToDB(object clrValue)
{
if (clrValue == null)
return DBNull.Value;
return (int)clrValue;
}
public Type DbType
{
get
{
return typeof(int);
}
}
}
}

50
src/Marr.Data/Converters/EnumStringConverter.cs
View File

@ -1,50 +0,0 @@
/* Copyright (C) 2008 - 2011 Jordan Marr
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>. */
using System;
using Marr.Data.Mapping;
namespace Marr.Data.Converters
{
public class EnumStringConverter : IConverter
{
public object FromDB(ConverterContext context)
{
if (context.DbValue == null || context.DbValue == DBNull.Value)
return null;
return Enum.Parse(context.ColumnMap.FieldType, (string)context.DbValue);
}
public object FromDB(ColumnMap map, object dbValue)
{
return FromDB(new ConverterContext { ColumnMap = map, DbValue = dbValue });
}
public object ToDB(object clrValue)
{
if (clrValue == null)
return DBNull.Value;
return clrValue.ToString();
}
public Type DbType
{
get
{
return typeof(string);
}
}
}
}

30
src/Marr.Data/Converters/IConverter.cs
View File

@ -1,30 +0,0 @@
/* Copyright (C) 2008 - 2011 Jordan Marr
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>. */
using System;
using Marr.Data.Mapping;
namespace Marr.Data.Converters
{
public interface IConverter
{
object FromDB(ConverterContext context);
[Obsolete("use FromDB(ConverterContext context) instead")]
object FromDB(ColumnMap map, object dbValue);
object ToDB(object clrValue);
Type DbType { get; }
}
}

166
src/Marr.Data/DataHelper.cs
View File

@ -1,166 +0,0 @@
/* Copyright (C) 2008 - 2011 Jordan Marr
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>. */
using System;
using System.Collections.Generic;
using System.Data;
using System.Reflection;
using Marr.Data.Mapping;
using System.Linq.Expressions;
namespace Marr.Data
{
/// <summary>
/// This class contains misc. extension methods that are used throughout the project.
/// </summary>
internal static class DataHelper
{
public static bool HasColumn(this IDataReader dr, string columnName)
{
for (int i=0; i < dr.FieldCount; i++)
{
if (dr.GetName(i).Equals(columnName, StringComparison.InvariantCultureIgnoreCase))
return true;
}
return false;
}
public static string ParameterPrefix(this IDbCommand command)
{
string commandType = command.GetType().Name.ToLower();
return commandType.Contains("oracle") ? ":" : "@";
}
/// <summary>
/// Returns the mapped name, or the member name.
/// </summary>
/// <param name="member"></param>
/// <returns></returns>
public static string GetTableName(this MemberInfo member)
{
string tableName = MapRepository.Instance.GetTableName(member.DeclaringType);
return tableName ?? member.DeclaringType.Name;
}
public static string GetTableName(this Type memberType)
{
return MapRepository.Instance.GetTableName(memberType);
}
public static string GetColumName(this IColumnInfo col, bool useAltName)
{
if (useAltName)
{
return col.TryGetAltName();
}
return col.Name;
}
/// <summary>
/// Returns the mapped column name, or the member name.
/// </summary>
/// <param name="member"></param>
/// <returns></returns>
public static string GetColumnName(Type declaringType, string propertyName, bool useAltName)
{
// Initialize column name as member name
string columnName = propertyName;
var columnMap = MapRepository.Instance.GetColumns(declaringType).GetByFieldName(propertyName);
if (columnMap == null)
{
throw new InvalidOperationException(string.Format("Column map missing for field {0}.{1}", declaringType.FullName, propertyName));
}
if (useAltName)
{
columnName = columnMap.ColumnInfo.TryGetAltName();
}
else
{
columnName = columnMap.ColumnInfo.Name;
}
return columnName;
}
/// <summary>
/// Determines a property name from a passed in expression.
/// Ex: p => p.FirstName -> "FirstName
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="member"></param>
/// <returns></returns>
public static string GetMemberName<T>(this Expression<Func<T, object>> member)
{
var memberExpression = (member.Body as MemberExpression);
if (memberExpression == null)
{
memberExpression = (member.Body as UnaryExpression).Operand as MemberExpression;
}
return memberExpression.Member.Name;
}
public static string GetMemberName(this LambdaExpression exp)
{
var memberExpression = (exp.Body as MemberExpression);
if (memberExpression == null)
{
memberExpression = (exp.Body as UnaryExpression).Operand as MemberExpression;
}
return memberExpression.Member.Name;
}
public static bool ContainsMember(this List<MemberInfo> list, MemberInfo member)
{
foreach (var m in list)
{
if (m.EqualsMember(member))
return true;
}
return false;
}
public static bool EqualsMember(this MemberInfo member, MemberInfo otherMember)
{
return member.Name == otherMember.Name && member.DeclaringType == otherMember.DeclaringType;
}
/// <summary>
/// Determines if a type is not a complex object.
/// </summary>
public static bool IsSimpleType(Type type)
{
Type underlyingType = !IsNullableType(type) ? type : type.GetGenericArguments()[0];
return
underlyingType.IsPrimitive ||
underlyingType.Equals(typeof(string)) ||
underlyingType.Equals(typeof(DateTime)) ||
underlyingType.Equals(typeof(decimal)) ||
underlyingType.IsEnum;
}
public static bool IsNullableType(Type theType)
{
return (theType.IsGenericType && theType.GetGenericTypeDefinition().Equals(typeof(Nullable<>)));
}
}
}

958
src/Marr.Data/DataMapper.cs
View File

@ -1,958 +0,0 @@
/* Copyright (C) 2008 - 2011 Jordan Marr
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>. */
using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Data.Common;
using System.Reflection;
using System.Collections;
using Marr.Data.Mapping;
using Marr.Data.Parameters;
using Marr.Data.QGen;
using System.Linq.Expressions;
using System.Diagnostics;
namespace Marr.Data
{
/// <summary>
/// This class is the main access point for making database related calls.
/// </summary>
public class DataMapper : IDataMapper
{
#region - Contructor, Members -
private DbCommand _command;
/// <summary>
/// A database provider agnostic initialization.
/// </summary>
/// <param name="connectionString">The database connection string.</param>
public DataMapper(DbProviderFactory dbProviderFactory, string connectionString)
{
SqlMode = SqlModes.StoredProcedure;
if (dbProviderFactory == null)
throw new ArgumentNullException("dbProviderFactory");
if (string.IsNullOrEmpty(connectionString))
throw new ArgumentNullException("connectionString");
ProviderFactory = dbProviderFactory;
ConnectionString = connectionString;
}
public string ConnectionString { get; private set; }
public DbProviderFactory ProviderFactory { get; private set; }
/// <summary>
/// Creates a new command utilizing the connection string.
/// </summary>
private DbCommand CreateNewCommand()
{
DbConnection conn = ProviderFactory.CreateConnection();
conn.ConnectionString = ConnectionString;
DbCommand cmd = conn.CreateCommand();
SetSqlMode(cmd);
return cmd;
}
/// <summary>
/// Creates a new command utilizing the connection string with a given SQL command.
/// </summary>
private DbCommand CreateNewCommand(string sql)
{
DbCommand cmd = CreateNewCommand();
cmd.CommandText = sql;
return cmd;
}
/// <summary>
/// Gets or creates a DbCommand object.
/// </summary>
public DbCommand Command
{
get
{
// Lazy load
if (_command == null)
_command = CreateNewCommand();
else
SetSqlMode(_command); // Set SqlMode every time.
return _command;
}
}
#endregion
#region - Parameters -
public DbParameterCollection Parameters
{
get
{
return Command.Parameters;
}
}
public ParameterChainMethods AddParameter(string name, object value)
{
return new ParameterChainMethods(Command, name, value);
}
public IDbDataParameter AddParameter(IDbDataParameter parameter)
{
// Convert null values to DBNull.Value
if (parameter.Value == null)
parameter.Value = DBNull.Value;
Parameters.Add(parameter);
return parameter;
}
#endregion
#region - SP / SQL Mode -
/// <summary>
/// Gets or sets a value that determines whether the DataMapper will
/// use a stored procedure or a sql text command to access
/// the database. The default is stored procedure.
/// </summary>
public SqlModes SqlMode { get; set; }
/// <summary>
/// Sets the DbCommand objects CommandType to the current SqlMode.
/// </summary>
/// <param name="command">The DbCommand object we are modifying.</param>
/// <returns>Returns the same DbCommand that was passed in.</returns>
private DbCommand SetSqlMode(DbCommand command)
{
if (SqlMode == SqlModes.StoredProcedure)
command.CommandType = CommandType.StoredProcedure;
else
command.CommandType = CommandType.Text;
return command;
}
#endregion
#region - ExecuteScalar, ExecuteNonQuery, ExecuteReader -
/// <summary>
/// Executes a stored procedure that returns a scalar value.
/// </summary>
/// <param name="sql">The SQL command to execute.</param>
/// <returns>A scalar value</returns>
public object ExecuteScalar(string sql)
{
if (string.IsNullOrEmpty(sql))
throw new ArgumentNullException("sql", "A SQL query or stored procedure name is required");
Command.CommandText = sql;
try
{
OpenConnection();
return Command.ExecuteScalar();
}
finally
{
CloseConnection();
}
}
/// <summary>
/// Executes a non query that returns an integer.
/// </summary>
/// <param name="sql">The SQL command to execute.</param>
/// <returns>An integer value</returns>
public int ExecuteNonQuery(string sql)
{
if (string.IsNullOrEmpty(sql))
throw new ArgumentNullException("sql", "A SQL query or stored procedure name is required");
Command.CommandText = sql;
try
{
OpenConnection();
return Command.ExecuteNonQuery();
}
finally
{
CloseConnection();
}
}
/// <summary>
/// Executes a DataReader that can be controlled using a Func delegate.
/// (Note that reader.Read() will be called automatically).
/// </summary>
/// <typeparam name="TResult">The type that will be return in the result set.</typeparam>
/// <param name="sql">The sql statement that will be executed.</param>
/// <param name="func">The function that will build the the TResult set.</param>
/// <returns>An IEnumerable of TResult.</returns>
public IEnumerable<TResult> ExecuteReader<TResult>(string sql, Func<DbDataReader, TResult> func)
{
if (string.IsNullOrEmpty(sql))
throw new ArgumentNullException("sql", "A SQL query or stored procedure name is required");
Command.CommandText = sql;
try
{
OpenConnection();
var list = new List<TResult>();
DbDataReader reader = null;
try
{
reader = Command.ExecuteReader();
while (reader.Read())
{
list.Add(func(reader));
}
return list;
}
finally
{
if (reader != null) reader.Close();
}
}
finally
{
CloseConnection();
}
}
/// <summary>
/// Executes a DataReader that can be controlled using an Action delegate.
/// </summary>
/// <param name="sql">The sql statement that will be executed.</param>
/// <param name="action">The delegate that will work with the result set.</param>
public void ExecuteReader(string sql, Action<DbDataReader> action)
{
if (string.IsNullOrEmpty(sql))
throw new ArgumentNullException("sql", "A SQL query or stored procedure name is required");
Command.CommandText = sql;
try
{
OpenConnection();
DbDataReader reader = null;
try
{
reader = Command.ExecuteReader();
while (reader.Read())
{
action(reader);
}
}
finally
{
if (reader != null) reader.Close();
}
}
finally
{
CloseConnection();
}
}
#endregion
#region - DataSets -
public DataSet GetDataSet(string sql)
{
return GetDataSet(sql, new DataSet(), null);
}
public DataSet GetDataSet(string sql, DataSet ds, string tableName)
{
if (string.IsNullOrEmpty(sql))
throw new ArgumentNullException("sql", "A SQL query or stored procedure name is required");
try
{
using (DbDataAdapter adapter = ProviderFactory.CreateDataAdapter())
{
Command.CommandText = sql;
adapter.SelectCommand = Command;
if (ds == null)
ds = new DataSet();
OpenConnection();
if (string.IsNullOrEmpty(tableName))
adapter.Fill(ds);
else
adapter.Fill(ds, tableName);
return ds;
}
}
finally
{
CloseConnection(); // Clears parameters
}
}
public DataTable GetDataTable(string sql)
{
return GetDataTable(sql, null, null);
}
public DataTable GetDataTable(string sql, DataTable dt, string tableName)
{
if (string.IsNullOrEmpty(sql))
throw new ArgumentNullException("sql", "A SQL query or stored procedure name is required");
try
{
using (DbDataAdapter adapter = ProviderFactory.CreateDataAdapter())
{
Command.CommandText = sql;
adapter.SelectCommand = Command;
if (dt == null)
dt = new DataTable();
adapter.Fill(dt);
if (!string.IsNullOrEmpty(tableName))
dt.TableName = tableName;
return dt;
}
}
finally
{
CloseConnection(); // Clears parameters
}
}
public int UpdateDataSet(DataSet ds, string sql)
{
if (string.IsNullOrEmpty(sql))
throw new ArgumentNullException("sql", "A SQL query or stored procedure name is required");
if (ds == null)
throw new ArgumentNullException("ds", "DataSet cannot be null.");
DbDataAdapter adapter = null;
try
{
adapter = ProviderFactory.CreateDataAdapter();
adapter.UpdateCommand = Command;
adapter.UpdateCommand.CommandText = sql;
return adapter.Update(ds);
}
finally
{
if (adapter.UpdateCommand != null)
adapter.UpdateCommand.Dispose();
adapter.Dispose();
}
}
public int InsertDataTable(DataTable table, string insertSP)
{
return InsertDataTable(table, insertSP, UpdateRowSource.None);
}
public int InsertDataTable(DataTable dt, string sql, UpdateRowSource updateRowSource)
{
if (string.IsNullOrEmpty(sql))
throw new ArgumentNullException("sql", "A SQL query or stored procedure name is required");
if (dt == null)
throw new ArgumentNullException("dt", "DataTable cannot be null.");
DbDataAdapter adapter = null;
try
{
adapter = ProviderFactory.CreateDataAdapter();
adapter.InsertCommand = Command;
adapter.InsertCommand.CommandText = sql;
adapter.InsertCommand.UpdatedRowSource = updateRowSource;
return adapter.Update(dt);
}
finally
{
if (adapter.InsertCommand != null)
adapter.InsertCommand.Dispose();
adapter.Dispose();
}
}
public int DeleteDataTable(DataTable dt, string sql)
{
if (string.IsNullOrEmpty(sql))
throw new ArgumentNullException("sql", "A SQL query or stored procedure name is required");
if (dt == null)
throw new ArgumentNullException("dt", "DataSet cannot be null.");
DbDataAdapter adapter = null;
try
{
adapter = ProviderFactory.CreateDataAdapter();
adapter.DeleteCommand = Command;
adapter.DeleteCommand.CommandText = sql;
return adapter.Update(dt);
}
finally
{
if (adapter.DeleteCommand != null)
adapter.DeleteCommand.Dispose();
adapter.Dispose();
}
}
#endregion
#region - Find -
public T Find<T>(string sql)
{
return Find<T>(sql, default(T));
}
/// <summary>
/// Returns an entity of type T.
/// </summary>
/// <typeparam name="T">The type of entity that is to be instantiated and loaded with values.</typeparam>
/// <param name="sql">The SQL command to execute.</param>
/// <returns>An instantiated and loaded entity of type T.</returns>
public T Find<T>(string sql, T ent)
{
if (string.IsNullOrEmpty(sql))
throw new ArgumentNullException("sql", "A stored procedure name has not been specified for 'Find'.");
Type entityType = typeof(T);
Command.CommandText = sql;
MapRepository repository = MapRepository.Instance;
ColumnMapCollection mappings = repository.GetColumns(entityType);
bool isSimpleType = DataHelper.IsSimpleType(typeof(T));
try
{
OpenConnection();
var mappingHelper = new MappingHelper(this);
using (DbDataReader reader = Command.ExecuteReader())
{
if (reader.Read())
{
if (isSimpleType)
{
return mappingHelper.LoadSimpleValueFromFirstColumn<T>(reader);
}
else
{
if (ent == null)
ent = (T)mappingHelper.CreateAndLoadEntity<T>(mappings, reader, false);
else
mappingHelper.LoadExistingEntity(mappings, reader, ent, false);
}
}
}
}
finally
{
CloseConnection();
}
return ent;
}
#endregion
#region - Query -
/// <summary>
/// Creates a QueryBuilder that allows you to build a query.
/// </summary>
/// <typeparam name="T">The type of object that will be queried.</typeparam>
/// <returns>Returns a QueryBuilder of T.</returns>
public QueryBuilder<T> Query<T>()
{
var dialect = QueryFactory.CreateDialect(this);
return new QueryBuilder<T>(this, dialect);
}
/// <summary>
/// Returns the results of a query.
/// Uses a List of type T to return the data.
/// </summary>
/// <returns>Returns a list of the specified type.</returns>
public List<T> Query<T>(string sql)
{
return (List<T>)Query<T>(sql, new List<T>());
}
/// <summary>
/// Returns the results of a SP query.
/// </summary>
/// <returns>Returns a list of the specified type.</returns>
public ICollection<T> Query<T>(string sql, ICollection<T> entityList)
{
return Query<T>(sql, entityList, false);
}
internal ICollection<T> Query<T>(string sql, ICollection<T> entityList, bool useAltName)
{
if (entityList == null)
throw new ArgumentNullException("entityList", "ICollection instance cannot be null.");
if (string.IsNullOrEmpty(sql))
throw new ArgumentNullException("sql", "A query or stored procedure has not been specified for 'Query'.");
var mappingHelper = new MappingHelper(this);
Type entityType = typeof(T);
Command.CommandText = sql;
ColumnMapCollection mappings = MapRepository.Instance.GetColumns(entityType);
bool isSimpleType = DataHelper.IsSimpleType(typeof(T));
try
{
OpenConnection();
using (DbDataReader reader = Command.ExecuteReader())
{
while (reader.Read())
{
if (isSimpleType)
{
entityList.Add(mappingHelper.LoadSimpleValueFromFirstColumn<T>(reader));
}
else
{
entityList.Add((T)mappingHelper.CreateAndLoadEntity<T>(mappings, reader, useAltName));
}
}
}
}
finally
{
CloseConnection();
}
return entityList;
}
#endregion
#region - Query to Graph -
public List<T> QueryToGraph<T>(string sql)
{
return (List<T>)QueryToGraph<T>(sql, new List<T>());
}
public ICollection<T> QueryToGraph<T>(string sql, ICollection<T> entityList)
{
EntityGraph graph = new EntityGraph(typeof(T), (IList)entityList);
return QueryToGraph<T>(sql, graph, new List<MemberInfo>());
}
/// <summary>
/// Queries a view that joins multiple tables and returns an object graph.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="sql"></param>
/// <param name="entityList"></param>
/// <param name="entityGraph">Coordinates loading all objects in the graph..</param>
/// <returns></returns>
internal ICollection<T> QueryToGraph<T>(string sql, EntityGraph graph, List<MemberInfo> childrenToLoad)
{
if (string.IsNullOrEmpty(sql))
throw new ArgumentNullException("sql", "sql");
var mappingHelper = new MappingHelper(this);
Type parentType = typeof(T);
Command.CommandText = sql;
try
{
OpenConnection();
using (DbDataReader reader = Command.ExecuteReader())
{
while (reader.Read())
{
// The entire EntityGraph is traversed for each record,
// and multiple entities are created from each view record.
foreach (EntityGraph lvl in graph)
{
if (lvl.IsParentReference)
{
// A child specified a circular reference to its previously loaded parent
lvl.AddParentReference();
}
else if (childrenToLoad.Count > 0 && !lvl.IsRoot && !childrenToLoad.ContainsMember(lvl.Member))
{
// A list of relationships-to-load was specified and this relationship was not included
continue;
}
else if (lvl.IsNewGroup(reader))
{
// Create a new entity with the data reader
var newEntity = mappingHelper.CreateAndLoadEntity(lvl.EntityType, lvl.Columns, reader, true);
// Add entity to the appropriate place in the object graph
lvl.AddEntity(newEntity);
}
}
}
}
}
finally
{
CloseConnection();
}
return (ICollection<T>)graph.RootList;
}
#endregion
#region - Update -
public UpdateQueryBuilder<T> Update<T>()
{
return new UpdateQueryBuilder<T>(this);
}
public int Update<T>(T entity, Expression<Func<T, bool>> filter)
{
return Update<T>()
.Entity(entity)
.Where(filter)
.Execute();
}
public int Update<T>(string tableName, T entity, Expression<Func<T, bool>> filter)
{
return Update<T>()
.TableName(tableName)
.Entity(entity)
.Where(filter)
.Execute();
}
public int Update<T>(T entity, string sql)
{
return Update<T>()
.Entity(entity)
.QueryText(sql)
.Execute();
}
#endregion
#region - Insert -
/// <summary>
/// Creates an InsertQueryBuilder that allows you to build an insert statement.
/// This method gives you the flexibility to manually configure all options of your insert statement.
/// Note: You must manually call the Execute() chaining method to run the query.
/// </summary>
public InsertQueryBuilder<T> Insert<T>()
{
return new InsertQueryBuilder<T>(this);
}
/// <summary>
/// Generates and executes an insert query for the given entity.
/// This overload will automatically run an identity query if you have mapped an auto-incrementing column,
/// and if an identity query has been implemented for your current database dialect.
/// </summary>
public object Insert<T>(T entity)
{
var columns = MapRepository.Instance.GetColumns(typeof(T));
var dialect = QueryFactory.CreateDialect(this);
var builder = Insert<T>().Entity(entity);
// If an auto-increment column exists and this dialect has an identity query...
if (columns.Exists(c => c.ColumnInfo.IsAutoIncrement) && dialect.HasIdentityQuery)
{
builder.GetIdentity();
}
return builder.Execute();
}
/// <summary>
/// Generates and executes an insert query for the given entity.
/// This overload will automatically run an identity query if you have mapped an auto-incrementing column,
/// and if an identity query has been implemented for your current database dialect.
/// </summary>
public object Insert<T>(string tableName, T entity)
{
var columns = MapRepository.Instance.GetColumns(typeof(T));
var dialect = QueryFactory.CreateDialect(this);
var builder = Insert<T>().Entity(entity).TableName(tableName);
// If an auto-increment column exists and this dialect has an identity query...
if (columns.Exists(c => c.ColumnInfo.IsAutoIncrement) && dialect.HasIdentityQuery)
{
builder.GetIdentity();
}
return builder.Execute();
}
/// <summary>
/// Executes an insert query for the given entity using the given sql insert statement.
/// This overload will automatically run an identity query if you have mapped an auto-incrementing column,
/// and if an identity query has been implemented for your current database dialect.
/// </summary>
public object Insert<T>(T entity, string sql)
{
var columns = MapRepository.Instance.GetColumns(typeof(T));
var dialect = QueryFactory.CreateDialect(this);
var builder = Insert<T>().Entity(entity).QueryText(sql);
// If an auto-increment column exists and this dialect has an identity query...
if (columns.Exists(c => c.ColumnInfo.IsAutoIncrement) && dialect.HasIdentityQuery)
{
builder.GetIdentity();
}
return builder.Execute();
}
#endregion
#region - Delete -
public int Delete<T>(Expression<Func<T, bool>> filter)
{
return Delete<T>(null, filter);
}
public int Delete<T>(string tableName, Expression<Func<T, bool>> filter)
{
// Remember sql mode
var previousSqlMode = SqlMode;
SqlMode = SqlModes.Text;
var mappingHelper = new MappingHelper(this);
if (tableName == null)
{
tableName = MapRepository.Instance.GetTableName(typeof(T));
}
var dialect = QueryFactory.CreateDialect(this);
TableCollection tables = new TableCollection();
tables.Add(new Table(typeof(T)));
var where = new WhereBuilder<T>(Command, dialect, filter, tables, false, false);
IQuery query = QueryFactory.CreateDeleteQuery(dialect, tables[0], where.ToString());
Command.CommandText = query.Generate();
int rowsAffected = 0;
try
{
OpenConnection();
rowsAffected = Command.ExecuteNonQuery();
}
finally
{
CloseConnection();
}
// Return to previous sql mode
SqlMode = previousSqlMode;
return rowsAffected;
}
#endregion
#region - Events -
public event EventHandler OpeningConnection;
public event EventHandler ClosingConnection;
#endregion
#region - Connections / Transactions -
protected virtual void OnOpeningConnection()
{
if (OpeningConnection != null)
OpeningConnection(this, EventArgs.Empty);
}
protected virtual void OnClosingConnection()
{
WriteToTraceLog();
if (ClosingConnection != null)
ClosingConnection(this, EventArgs.Empty);
}
protected internal void OpenConnection()
{
OnOpeningConnection();
if (Command.Connection.State != ConnectionState.Open)
Command.Connection.Open();
}
protected internal void CloseConnection()
{
OnClosingConnection();
Command.Parameters.Clear();
Command.CommandText = string.Empty;
if (Command.Transaction == null)
Command.Connection.Close(); // Only close if no transaction is present
UnbindEvents();
}
private void WriteToTraceLog()
{
if (MapRepository.Instance.EnableTraceLogging)
{
var sb = new StringBuilder();
sb.AppendLine();
sb.AppendLine("==== Begin Query Trace ====");
sb.AppendLine();
sb.AppendLine("QUERY TYPE:");
sb.AppendLine(Command.CommandType.ToString());
sb.AppendLine();
sb.AppendLine("QUERY TEXT:");
sb.AppendLine(Command.CommandText);
sb.AppendLine();
sb.AppendLine("PARAMETERS:");
foreach (IDbDataParameter p in Parameters)
{
object val = (p.Value != null && p.Value is string) ? string.Format("\"{0}\"", p.Value) : p.Value;
sb.AppendFormat("{0} = [{1}]", p.ParameterName, val ?? "NULL").AppendLine();
}
sb.AppendLine();
sb.AppendLine("==== End Query Trace ====");
sb.AppendLine();
Trace.Write(sb.ToString());
}
}
private void UnbindEvents()
{
OpeningConnection = null;
ClosingConnection = null;
}
public void BeginTransaction(IsolationLevel isolationLevel)
{
OpenConnection();
DbTransaction trans = Command.Connection.BeginTransaction(isolationLevel);
Command.Transaction = trans;
}
public void RollBack()
{
try
{
if (Command.Transaction != null)
Command.Transaction.Rollback();
}
finally
{
Command.Connection.Close();
}
}
public void Commit()
{
try
{
if (Command.Transaction != null)
Command.Transaction.Commit();
}
finally
{
Command.Connection.Close();
}
}
#endregion
#region - IDisposable Members -
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this); // In case a derived class implements a finalizer
}
protected virtual void Dispose(bool disposing)
{
if (disposing)
{
if (Command.Transaction != null)
{
Command.Transaction.Dispose();
Command.Transaction = null;
}
if (Command.Connection != null)
{
Command.Connection.Dispose();
Command.Connection = null;
}
if (Command != null)
{
Command.Dispose();
_command = null;
}
}
}
#endregion
}
}

22
src/Marr.Data/DataMappingException.cs
View File

@ -1,22 +0,0 @@
using System;
namespace Marr.Data
{
public class DataMappingException : Exception
{
public DataMappingException()
: base()
{
}
public DataMappingException(string message)
: base(message)
{
}
public DataMappingException(string message, Exception innerException)
: base(message, innerException)
{
}
}
}

419
src/Marr.Data/EntityGraph.cs
View File

@ -1,419 +0,0 @@
/* Copyright (C) 2008 - 2011 Jordan Marr
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>. */
using System;
using System.Collections;
using System.Collections.Generic;
using System.Data;
using System.Data.Common;
using Marr.Data.Mapping;
using System.Reflection;
namespace Marr.Data
{
/// <summary>
/// Holds metadata about an object graph that is being queried and eagerly loaded.
/// Contains all metadata needed to instantiate the object and fill it with data from a DataReader.
/// Does not iterate through lazy loaded child relationships.
/// </summary>
internal class EntityGraph : IEnumerable<EntityGraph>
{
private MapRepository _repos;
private EntityGraph _parent;
private Type _entityType;
private Relationship _relationship;
private ColumnMapCollection _columns;
private RelationshipCollection _relationships;
private List<EntityGraph> _children;
private object _entity;
private GroupingKeyCollection _groupingKeyColumns;
private Dictionary<string, EntityReference> _entityReferences;
internal IList RootList { get; private set; }
internal bool IsParentReference { get; private set; }
/// <summary>
/// Recursively builds an entity graph of the given parent type.
/// </summary>
/// <param name="entityType"></param>
public EntityGraph(Type entityType, IList rootList)
: this(entityType, null, null) // Recursively constructs hierarchy
{
RootList = rootList;
}
/// <summary>
/// Recursively builds entity graph hierarchy.
/// </summary>
/// <param name="entityType"></param>
/// <param name="parent"></param>
/// <param name="relationship"></param>
private EntityGraph(Type entityType, EntityGraph parent, Relationship relationship)
{
_repos = MapRepository.Instance;
_entityType = entityType;
_parent = parent;
_relationship = relationship;
IsParentReference = !IsRoot && AnyParentsAreOfType(entityType);
if (!IsParentReference)
{
_columns = _repos.GetColumns(entityType);
}
_relationships = _repos.GetRelationships(entityType);
_children = new List<EntityGraph>();
Member = relationship != null ? relationship.Member : null;
_entityReferences = new Dictionary<string, EntityReference>();
if (IsParentReference)
{
return;
}
// Create a new EntityGraph for each child relationship that is not lazy loaded
foreach (Relationship childRelationship in Relationships)
{
if (!childRelationship.IsLazyLoaded)
{
_children.Add(new EntityGraph(childRelationship.RelationshipInfo.EntityType, this, childRelationship));
}
}
}
public MemberInfo Member { get; private set; }
/// <summary>
/// Gets the parent of this EntityGraph.
/// </summary>
public EntityGraph Parent
{
get
{
return _parent;
}
}
/// <summary>
/// Gets the Type of this EntityGraph.
/// </summary>
public Type EntityType
{
get { return _entityType; }
}
/// <summary>
/// Gets a boolean than indicates whether this entity is the root node in the graph.
/// </summary>
public bool IsRoot
{
get
{
return _parent == null;
}
}
/// <summary>
/// Gets a boolean that indicates whether this entity is a child.
/// </summary>
public bool IsChild
{
get
{
return _parent != null;
}
}
/// <summary>
/// Gets the columns mapped to this entity.
/// </summary>
public ColumnMapCollection Columns
{
get { return _columns; }
}
/// <summary>
/// Gets the relationships mapped to this entity.
/// </summary>
public RelationshipCollection Relationships
{
get { return _relationships; }
}
/// <summary>
/// A list of EntityGraph objects that hold metadata about the child entities that will be loaded.
/// </summary>
public List<EntityGraph> Children
{
get { return _children; }
}
/// <summary>
/// Adds an Child in the graph for LazyLoaded property.
/// </summary>
public void AddLazyRelationship(Relationship childRelationship)
{
_children.Add(new EntityGraph(childRelationship.RelationshipInfo.EntityType.GetGenericArguments()[0], this, childRelationship));
}
/// <summary>
/// Adds an entity to the appropriate place in the object graph.
/// </summary>
/// <param name="entityInstance"></param>
public void AddEntity(object entityInstance)
{
_entity = entityInstance;
// Add newly created entityInstance to list (Many) or set it to field (One)
if (IsRoot)
{
RootList.Add(entityInstance);
}
else if (_relationship.RelationshipInfo.RelationType == RelationshipTypes.Many)
{
var list = _parent._entityReferences[_parent.GroupingKeyColumns.GroupingKey]
.ChildLists[_relationship.Member.Name];
list.Add(entityInstance);
}
else // RelationTypes.One
{
if (_relationship.IsLazyLoaded)
_relationship.Setter(_parent._entity, Activator.CreateInstance(_relationship.MemberType, entityInstance));
else
_relationship.Setter(_parent._entity, entityInstance);
}
EntityReference entityRef = new EntityReference(entityInstance);
_entityReferences.Add(GroupingKeyColumns.GroupingKey, entityRef);
InitOneToManyChildLists(entityRef);
}
/// <summary>
/// Searches for a previously loaded parent entity and then sets that reference to the mapped Relationship property.
/// </summary>
public void AddParentReference()
{
var parentReference = FindParentReference();
_relationship.Setter(_parent._entity, parentReference);
}
/// <summary>
/// Concatenates the values of the GroupingKeys property and compares them
/// against the LastKeyGroup property. Returns true if the values are different,
/// or false if the values are the same.
/// The currently concatenated keys are saved in the LastKeyGroup property.
/// </summary>
/// <param name="reader"></param>
/// <returns></returns>
public bool IsNewGroup(DbDataReader reader)
{
bool isNewGroup = false;
// Get primary keys from parent entity and any one-to-one child entites
GroupingKeyCollection groupingKeyColumns = GroupingKeyColumns;
// Concatenate column values
KeyGroupInfo keyGroupInfo = groupingKeyColumns.CreateGroupingKey(reader);
if (!keyGroupInfo.HasNullKey && !_entityReferences.ContainsKey(keyGroupInfo.GroupingKey))
{
isNewGroup = true;
}
return isNewGroup;
}
/// <summary>
/// Gets the GroupingKeys for this entity.
/// GroupingKeys determine when to create and add a new entity to the graph.
/// </summary>
/// <remarks>
/// A simple entity with no relationships will return only its PrimaryKey columns.
/// A parent entity with one-to-one child relationships will include its own PrimaryKeys,
/// and it will recursively traverse all Children with one-to-one relationships and add their PrimaryKeys.
/// A child entity that has a one-to-one relationship with its parent will use the same
/// GroupingKeys already defined by its parent.
/// </remarks>
public GroupingKeyCollection GroupingKeyColumns
{
get
{
if (_groupingKeyColumns == null)
_groupingKeyColumns = GetGroupingKeyColumns();
return _groupingKeyColumns;
}
}
private bool AnyParentsAreOfType(Type type)
{
EntityGraph parent = _parent;
while (parent != null)
{
if (parent._entityType == type)
{
return true;
}
parent = parent._parent;
}
return false;
}
private object FindParentReference()
{
var parent = Parent.Parent;
while (parent != null)
{
if (parent._entityType == _relationship.MemberType)
{
return parent._entity;
}
parent = parent.Parent;
}
return null;
}
/// <summary>
/// Initializes the owning lists on many-to-many Children.
/// </summary>
/// <param name="entityInstance"></param>
private void InitOneToManyChildLists(EntityReference entityRef)
{
// Get a reference to the parent's the childrens' OwningLists to the parent entity
for (int i = 0; i < Relationships.Count; i++)
{
Relationship relationship = Relationships[i];
if (relationship.RelationshipInfo.RelationType == RelationshipTypes.Many)
{
try
{
IList list = (IList)_repos.ReflectionStrategy.CreateInstance(relationship.MemberType);
relationship.Setter(entityRef.Entity, list);
// Save a reference to each 1-M list
entityRef.AddChildList(relationship.Member.Name, list);
}
catch (Exception ex)
{
throw new DataMappingException(
string.Format("{0}.{1} is a \"Many\" relationship type so it must derive from IList.",
entityRef.Entity.GetType().Name, relationship.Member.Name),
ex);
}
}
}
}
/// <summary>
/// Gets a list of keys to group by.
/// </summary>
/// <remarks>
/// When converting an unnormalized set of data from a database view,
/// a new entity is only created when the grouping keys have changed.
/// NOTE: This behavior works on the assumption that the view result set
/// has been sorted by the root entity primary key(s), followed by the
/// child entity primary keys.
/// </remarks>
/// <returns></returns>
private GroupingKeyCollection GetGroupingKeyColumns()
{
// Get primary keys for this parent entity
GroupingKeyCollection groupingKeyColumns = new GroupingKeyCollection();
groupingKeyColumns.PrimaryKeys.AddRange(Columns.PrimaryKeys);
// The following conditions should fail with an exception:
// 1) Any parent entity (entity with children) must have at least one PK specified or an exception will be thrown
// 2) All 1-M relationship entities must have at least one PK specified
// * Only 1-1 entities with no children are allowed to have 0 PKs specified.
if ((groupingKeyColumns.PrimaryKeys.Count == 0 && _children.Count > 0) ||
(groupingKeyColumns.PrimaryKeys.Count == 0 && !IsRoot && _relationship.RelationshipInfo.RelationType == RelationshipTypes.Many))
throw new MissingPrimaryKeyException(string.Format("There are no primary key mappings defined for the following entity: '{0}'.", EntityType.Name));
// Add parent's keys
if (IsChild)
groupingKeyColumns.ParentPrimaryKeys.AddRange(Parent.GroupingKeyColumns);
return groupingKeyColumns;
}
#region IEnumerable<EntityGraph> Members
public IEnumerator<EntityGraph> GetEnumerator()
{
return TraverseGraph(this);
}
/// <summary>
/// Recursively traverses through every entity in the EntityGraph.
/// </summary>
/// <param name="entityGraph"></param>
/// <returns></returns>
private static IEnumerator<EntityGraph> TraverseGraph(EntityGraph entityGraph)
{
Stack<EntityGraph> stack = new Stack<EntityGraph>();
stack.Push(entityGraph);
while (stack.Count > 0)
{
EntityGraph node = stack.Pop();
yield return node;
foreach (EntityGraph childGraph in node.Children)
{
stack.Push(childGraph);
}
}
}
#endregion
#region IEnumerable Members
IEnumerator IEnumerable.GetEnumerator()
{
return GetEnumerator();
}
#endregion
}
}
public struct KeyGroupInfo
{
private string _groupingKey;
private bool _hasNullKey;
public KeyGroupInfo(string groupingKey, bool hasNullKey)
{
_groupingKey = groupingKey;
_hasNullKey = hasNullKey;
}
public string GroupingKey
{
get { return _groupingKey; }
}
public bool HasNullKey
{
get { return _hasNullKey; }
}
}

34
src/Marr.Data/EntityMerger.cs
View File

@ -1,34 +0,0 @@
using System;
using System.Collections.Generic;
namespace Marr.Data
{
/// <summary>
/// This utility class allows you to join two existing entity collections.
/// </summary>
public class EntityMerger
{
/// <summary>
/// Joines to existing entity collections.
/// </summary>
/// <typeparam name="TParent">The parent entity type.</typeparam>
/// <typeparam name="TChild">The child entity type.</typeparam>
/// <param name="parentList">The parent entities.</param>
/// <param name="childList">The child entities</param>
/// <param name="relationship">A predicate that defines the relationship between the parent and child entities. Returns true if they are related.</param>
/// <param name="mergeAction">An action that adds a related child to the parent.</param>
public static void Merge<TParent, TChild>(IEnumerable<TParent> parentList, IEnumerable<TChild> childList, Func<TParent, TChild, bool> relationship, Action<TParent, TChild> mergeAction)
{
foreach (TParent parent in parentList)
{
foreach (TChild child in childList)
{
if (relationship(parent, child))
{
mergeAction(parent, child);
}
}
}
}
}
}

28
src/Marr.Data/EntityReference.cs
View File

@ -1,28 +0,0 @@
using System.Collections.Generic;
using System.Collections;
namespace Marr.Data
{
/// <summary>
/// Stores an entity along with all of its 1-M IList references.
/// </summary>
public class EntityReference
{
public EntityReference(object entity)
{
Entity = entity;
ChildLists = new Dictionary<string, IList>();
}
public object Entity { get; private set; }
public Dictionary<string, IList> ChildLists { get; private set; }
public void AddChildList(string memberName, IList list)
{
if (ChildLists.ContainsKey(memberName))
ChildLists[memberName] = list;
else
ChildLists.Add(memberName, list);
}
}
}

19
src/Marr.Data/ExtensionMethods.cs
View File

@ -1,19 +0,0 @@
using System.Data.Common;
namespace Marr.Data
{
/// <summary>
/// This class contains public extension methods.
/// </summary>
public static class ExtensionMethods
{
/// <summary>
/// Gets a value from a DbDataReader by using the column name;
/// </summary>
public static T GetValue<T>(this DbDataReader reader, string columnName)
{
int ordinal = reader.GetOrdinal(columnName);
return (T)reader.GetValue(ordinal);
}
}
}

85
src/Marr.Data/GroupingKeyCollection.cs
View File

@ -1,85 +0,0 @@
using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;
using Marr.Data.Mapping;
using System.Data.Common;
namespace Marr.Data
{
public class GroupingKeyCollection : IEnumerable<ColumnMap>
{
public GroupingKeyCollection()
{
PrimaryKeys = new ColumnMapCollection();
ParentPrimaryKeys = new ColumnMapCollection();
}
public ColumnMapCollection PrimaryKeys { get; private set; }
public ColumnMapCollection ParentPrimaryKeys { get; private set; }
public int Count
{
get
{
return PrimaryKeys.Count + ParentPrimaryKeys.Count;
}
}
/// <summary>
/// Gets the PK values that define this entity in the graph.
/// </summary>
internal string GroupingKey { get; private set; }
/// <summary>
/// Returns a concatented string containing the primary key values of the current record.
/// </summary>
/// <param name="reader">The open data reader.</param>
/// <returns>Returns the primary key value(s) as a string.</returns>
internal KeyGroupInfo CreateGroupingKey(DbDataReader reader)
{
StringBuilder pkValues = new StringBuilder();
bool hasNullValue = false;
foreach (ColumnMap pkColumn in this)
{
object pkValue = reader[pkColumn.ColumnInfo.GetColumName(true)];
if (pkValue == DBNull.Value)
hasNullValue = true;
pkValues.Append(pkValue.ToString());
}
GroupingKey = pkValues.ToString();
return new KeyGroupInfo(GroupingKey, hasNullValue);
}
#region IEnumerable<ColumnMap> Members
public IEnumerator<ColumnMap> GetEnumerator()
{
foreach (ColumnMap map in ParentPrimaryKeys)
{
yield return map;
}
foreach (ColumnMap map in PrimaryKeys)
{
yield return map;
}
}
#endregion
#region IEnumerable Members
IEnumerator IEnumerable.GetEnumerator()
{
return GetEnumerator();
}
#endregion
}
}

219
src/Marr.Data/IDataMapper.cs
View File

@ -1,219 +0,0 @@
/* Copyright (C) 2008 - 2011 Jordan Marr
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>. */
using System;
using System.Data;
using System.Data.Common;
using System.Collections.Generic;
using Marr.Data.Parameters;
using System.Linq.Expressions;
using Marr.Data.QGen;
namespace Marr.Data
{
public interface IDataMapper : IDisposable
{
#region - Contructor, Members -
string ConnectionString { get; }
DbProviderFactory ProviderFactory { get; }
DbCommand Command { get; }
/// <summary>
/// Gets or sets a value that determines whether the DataMapper will
/// use a stored procedure or a sql text command to access
/// the database. The default is stored procedure.
/// </summary>
SqlModes SqlMode { get; set; }
#endregion
#region - Update -
UpdateQueryBuilder<T> Update<T>();
int Update<T>(T entity, Expression<Func<T, bool>> filter);
int Update<T>(string tableName, T entity, Expression<Func<T, bool>> filter);
int Update<T>(T entity, string sql);
#endregion
#region - Insert -
/// <summary>
/// Creates an InsertQueryBuilder that allows you to build an insert statement.
/// This method gives you the flexibility to manually configure all options of your insert statement.
/// Note: You must manually call the Execute() chaining method to run the query.
/// </summary>
InsertQueryBuilder<T> Insert<T>();
/// <summary>
/// Generates and executes an insert query for the given entity.
/// This overload will automatically run an identity query if you have mapped an auto-incrementing column,
/// and if an identity query has been implemented for your current database dialect.
/// </summary>
object Insert<T>(T entity);
/// <summary>
/// Generates and executes an insert query for the given entity.
/// This overload will automatically run an identity query if you have mapped an auto-incrementing column,
/// and if an identity query has been implemented for your current database dialect.
/// </summary>
object Insert<T>(string tableName, T entity);
/// <summary>
/// Executes an insert query for the given entity using the given sql insert statement.
/// This overload will automatically run an identity query if you have mapped an auto-incrementing column,
/// and if an identity query has been implemented for your current database dialect.
/// </summary>
object Insert<T>(T entity, string sql);
#endregion
#region - Delete -
int Delete<T>(Expression<Func<T, bool>> filter);
int Delete<T>(string tableName, Expression<Func<T, bool>> filter);
#endregion
#region - Connections / Transactions -
void BeginTransaction(IsolationLevel isolationLevel);
void RollBack();
void Commit();
event EventHandler OpeningConnection;
#endregion
#region - ExecuteScalar, ExecuteNonQuery, ExecuteReader -
/// <summary>
/// Executes a non query that returns an integer.
/// </summary>
/// <param name="sql">The SQL command to execute.</param>
/// <returns>An integer value</returns>
int ExecuteNonQuery(string sql);
/// <summary>
/// Executes a stored procedure that returns a scalar value.
/// </summary>
/// <param name="sql">The SQL command to execute.</param>
/// <returns>A scalar value</returns>
object ExecuteScalar(string sql);
/// <summary>
/// Executes a DataReader that can be controlled using a Func delegate.
/// (Note that reader.Read() will be called automatically).
/// </summary>
/// <typeparam name="TResult">The type that will be return in the result set.</typeparam>
/// <param name="sql">The sql statement that will be executed.</param>
/// <param name="func">The function that will build the the TResult set.</param>
/// <returns>An IEnumerable of TResult.</returns>
IEnumerable<TResult> ExecuteReader<TResult>(string sql, Func<DbDataReader, TResult> func);
/// <summary>
/// Executes a DataReader that can be controlled using an Action delegate.
/// </summary>
/// <param name="sql">The sql statement that will be executed.</param>
/// <param name="action">The delegate that will work with the result set.</param>
void ExecuteReader(string sql, Action<DbDataReader> action);
#endregion
#region - DataSets -
DataSet GetDataSet(string sql);
DataSet GetDataSet(string sql, DataSet ds, string tableName);
DataTable GetDataTable(string sql, DataTable dt, string tableName);
DataTable GetDataTable(string sql);
int InsertDataTable(DataTable table, string insertSP);
int InsertDataTable(DataTable table, string insertSP, UpdateRowSource updateRowSource);
int UpdateDataSet(DataSet ds, string updateSP);
int DeleteDataTable(DataTable dt, string deleteSP);
#endregion
#region - Parameters -
DbParameterCollection Parameters { get; }
ParameterChainMethods AddParameter(string name, object value);
IDbDataParameter AddParameter(IDbDataParameter parameter);
#endregion
#region - Find -
/// <summary>
/// Returns an entity of type T.
/// </summary>
/// <typeparam name="T">The type of entity that is to be instantiated and loaded with values.</typeparam>
/// <param name="sql">The SQL command to execute.</param>
/// <returns>An instantiated and loaded entity of type T.</returns>
T Find<T>(string sql);
/// <summary>
/// Returns an entity of type T.
/// </summary>
/// <typeparam name="T">The type of entity that is to be instantiated and loaded with values.</typeparam>
/// <param name="sql">The SQL command to execute.</param>
/// <param name="ent">A previously instantiated entity that will be loaded with values.</param>
/// <returns>An instantiated and loaded entity of type T.</returns>
T Find<T>(string sql, T ent);
#endregion
#region - Query -
/// <summary>
/// Creates a QueryBuilder that allows you to build a query.
/// </summary>
/// <typeparam name="T">The type of object that will be queried.</typeparam>
/// <returns>Returns a QueryBuilder of T.</returns>
QueryBuilder<T> Query<T>();
/// <summary>
/// Returns the results of a query.
/// Uses a List of type T to return the data.
/// </summary>
/// <typeparam name="T">The type of object that will be queried.</typeparam>
/// <returns>Returns a list of the specified type.</returns>
List<T> Query<T>(string sql);
/// <summary>
/// Returns the results of a query or a stored procedure.
/// </summary>
/// <typeparam name="T">The type of object that will be queried.</typeparam>
/// <param name="sql">The sql query or stored procedure name to run.</param>
/// <param name="entityList">A previously instantiated list to populate.</param>
/// <returns>Returns a list of the specified type.</returns>
ICollection<T> Query<T>(string sql, ICollection<T> entityList);
#endregion
#region - Query to Graph -
/// <summary>
/// Runs a query and then tries to instantiate the entire object graph with entites.
/// </summary>
List<T> QueryToGraph<T>(string sql);
/// <summary>
/// Runs a query and then tries to instantiate the entire object graph with entites.
/// </summary>
ICollection<T> QueryToGraph<T>(string sql, ICollection<T> entityList);
#endregion
}
}

250
src/Marr.Data/MapRepository.cs
View File

@ -1,250 +0,0 @@
/* Copyright (C) 2008 - 2011 Jordan Marr
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>. */
using System;
using System.Collections.Generic;
using Marr.Data.Converters;
using Marr.Data.Parameters;
using Marr.Data.Mapping;
using Marr.Data.Mapping.Strategies;
using Marr.Data.Reflection;
namespace Marr.Data
{
public class MapRepository
{
private static readonly object _tablesLock = new object();
private static readonly object _columnsLock = new object();
private static readonly object _relationshipsLock = new object();
private IDbTypeBuilder _dbTypeBuilder;
private Dictionary<Type, IMapStrategy> _columnMapStrategies;
internal Dictionary<Type, string> Tables { get; set; }
internal Dictionary<Type, ColumnMapCollection> Columns { get; set; }
internal Dictionary<Type, RelationshipCollection> Relationships { get; set; }
public Dictionary<Type, IConverter> TypeConverters { get; private set; }
// Explicit static constructor to tell C# compiler
// not to mark type as beforefieldinit
static MapRepository()
{ }
private MapRepository()
{
Tables = new Dictionary<Type, string>();
Columns = new Dictionary<Type, ColumnMapCollection>();
Relationships = new Dictionary<Type, RelationshipCollection>();
TypeConverters = new Dictionary<Type, IConverter>();
// Register a default IReflectionStrategy
ReflectionStrategy = new SimpleReflectionStrategy();
// Register a default type converter for Enums
TypeConverters.Add(typeof(Enum), new EnumStringConverter());
// Register a default IDbTypeBuilder
_dbTypeBuilder = new DbTypeBuilder();
_columnMapStrategies = new Dictionary<Type, IMapStrategy>();
RegisterDefaultMapStrategy(new AttributeMapStrategy());
EnableTraceLogging = false;
}
private readonly static MapRepository _instance = new MapRepository();
/// <summary>
/// Gets a reference to the singleton MapRepository.
/// </summary>
public static MapRepository Instance
{
get
{
return _instance;
}
}
/// <summary>
/// Gets or sets a boolean that determines whether debug information should be written to the trace log.
/// The default is false.
/// </summary>
public bool EnableTraceLogging { get; set; }
#region - Column Map Strategies -
public void RegisterDefaultMapStrategy(IMapStrategy strategy)
{
RegisterMapStrategy(typeof(object), strategy);
}
public void RegisterMapStrategy(Type entityType, IMapStrategy strategy)
{
if (_columnMapStrategies.ContainsKey(entityType))
_columnMapStrategies[entityType] = strategy;
else
_columnMapStrategies.Add(entityType, strategy);
}
private IMapStrategy GetMapStrategy(Type entityType)
{
if (_columnMapStrategies.ContainsKey(entityType))
{
// Return entity specific column map strategy
return _columnMapStrategies[entityType];
}
// Return the default column map strategy
return _columnMapStrategies[typeof(object)];
}
#endregion
#region - Table repository -
internal string GetTableName(Type entityType)
{
if (!Tables.ContainsKey(entityType))
{
lock (_tablesLock)
{
if (!Tables.ContainsKey(entityType))
{
string tableName = GetMapStrategy(entityType).MapTable(entityType);
Tables.Add(entityType, tableName);
return tableName;
}
}
}
return Tables[entityType];
}
#endregion
#region - Columns repository -
public ColumnMapCollection GetColumns(Type entityType)
{
if (!Columns.ContainsKey(entityType))
{
lock (_columnsLock)
{
if (!Columns.ContainsKey(entityType))
{
ColumnMapCollection columnMaps = GetMapStrategy(entityType).MapColumns(entityType);
Columns.Add(entityType, columnMaps);
return columnMaps;
}
}
}
return Columns[entityType];
}
#endregion
#region - Relationships repository -
public RelationshipCollection GetRelationships(Type type)
{
if (!Relationships.ContainsKey(type))
{
lock (_relationshipsLock)
{
if (!Relationships.ContainsKey(type))
{
RelationshipCollection relationships = GetMapStrategy(type).MapRelationships(type);
Relationships.Add(type, relationships);
return relationships;
}
}
}
return Relationships[type];
}
#endregion
#region - Reflection Strategy -
/// <summary>
/// Gets or sets the reflection strategy that the DataMapper will use to load entities.
/// By default the CachedReflector will be used, which provides a performance increase over the SimpleReflector.
/// However, the SimpleReflector can be used in Medium Trust enviroments.
/// </summary>
///
public IReflectionStrategy ReflectionStrategy { get; set; }
#endregion
#region - Type Converters -
/// <summary>
/// Registers a converter for a given type.
/// </summary>
/// <param name="type">The CLR data type that will be converted.</param>
/// <param name="converter">An IConverter object that will handle the data conversion.</param>
public void RegisterTypeConverter(Type type, IConverter converter)
{
TypeConverters[type] = converter;
}
/// <summary>
/// Checks for a type converter (if one exists).
/// 1) Checks for a converter registered for the current columns data type.
/// 2) Checks to see if a converter is registered for all enums (type of Enum) if the current column is an enum.
/// 3) Checks to see if a converter is registered for all objects (type of Object).
/// </summary>
/// <param name="dataMap">The current data map.</param>
/// <returns>Returns an IConverter object or null if one does not exist.</returns>
internal IConverter GetConverter(Type dataType)
{
if (TypeConverters.ContainsKey(dataType))
{
// User registered type converter
return TypeConverters[dataType];
}
if (TypeConverters.ContainsKey(typeof(Enum)) && dataType.IsEnum)
{
// A converter is registered to handled enums
return TypeConverters[typeof(Enum)];
}
if (TypeConverters.ContainsKey(typeof(object)))
{
// User registered default converter
return TypeConverters[typeof(object)];
}
// No conversion
return null;
}
#endregion
#region - DbTypeBuilder -
/// <summary>
/// Gets or sets the IDBTypeBuilder that is responsible for converting parameter DbTypes based on the parameter value.
/// Defaults to use the DbTypeBuilder.
/// You can replace this with a more specific builder if you want more control over the way the parameter types are set.
/// </summary>
public IDbTypeBuilder DbTypeBuilder
{
get { return _dbTypeBuilder; }
set { _dbTypeBuilder = value; }
}
#endregion
}
}

115
src/Marr.Data/Mapping/ColumnAttribute.cs
View File

@ -1,115 +0,0 @@
/* Copyright (C) 2008 - 2011 Jordan Marr
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>. */
using System;
using System.Data;
namespace Marr.Data.Mapping
{
[AttributeUsage(AttributeTargets.Field | AttributeTargets.Property, AllowMultiple = false)]
public class ColumnAttribute : Attribute, IColumnInfo
{
private string _name;
private string _altName;
private int _size = 0;
private bool _isPrimaryKey;
private bool _isAutoIncrement;
private bool _returnValue;
private ParameterDirection _paramDirection = ParameterDirection.Input;
public ColumnAttribute()
{
}
public ColumnAttribute(string name)
{
_name = name;
}
/// <summary>
/// Gets or sets the column name.
/// </summary>
public string Name
{
get { return _name; }
set { _name = value; }
}
/// <summary>
/// Gets or sets an alternate name that is used to define this column in views.
/// If an AltName is present, it is used in the QueryViewToObjectGraph method.
/// If an AltName is not present, it will return the Name property value.
/// </summary>
public string AltName
{
get { return _altName; }
set { _altName = value; }
}
/// <summary>
/// Gets or sets the column size.
/// </summary>
public int Size
{
get { return _size; }
set { _size = value; }
}
/// <summary>
/// Gets or sets a value that determines whether the column is the Primary Key.
/// </summary>
public bool IsPrimaryKey
{
get { return _isPrimaryKey; }
set { _isPrimaryKey = value; }
}
/// <summary>
/// Gets or sets a value that determines whether the column is an auto-incrementing seed column.
/// </summary>
public bool IsAutoIncrement
{
get { return _isAutoIncrement; }
set { _isAutoIncrement = value; }
}
/// <summary>
/// Gets or sets a value that determines whether the column has a return value.
/// </summary>
public bool ReturnValue
{
get { return _returnValue; }
set { _returnValue = value; }
}
/// <summary>
/// Gets or sets the ParameterDirection.
/// </summary>
public ParameterDirection ParamDirection
{
get { return _paramDirection; }
set { _paramDirection = value; }
}
public string TryGetAltName()
{
if (!string.IsNullOrEmpty(AltName) && AltName != Name)
{
return AltName;
}
return Name;
}
}
}

32
src/Marr.Data/Mapping/ColumnInfo.cs
View File

@ -1,32 +0,0 @@
using System.Data;
namespace Marr.Data.Mapping
{
public class ColumnInfo : IColumnInfo
{
public ColumnInfo()
{
IsPrimaryKey = false;
IsAutoIncrement = false;
ReturnValue = false;
ParamDirection = ParameterDirection.Input;
}
public string Name { get; set; }
public string AltName { get; set; }
public int Size { get; set; }
public bool IsPrimaryKey { get; set; }
public bool IsAutoIncrement { get; set; }
public bool ReturnValue { get; set; }
public ParameterDirection ParamDirection { get; set; }
public string TryGetAltName()
{
if (!string.IsNullOrEmpty(AltName) && AltName != Name)
{
return AltName;
}
return Name;
}
}
}

70
src/Marr.Data/Mapping/ColumnMap.cs
View File

@ -1,70 +0,0 @@
/* Copyright (C) 2008 - 2011 Jordan Marr
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>. */
using System;
using System.Reflection;
using Marr.Data.Converters;
using Marr.Data.Reflection;
namespace Marr.Data.Mapping
{
/// <summary>
/// Contains information about the class fields and their associated stored proc parameters
/// </summary>
public class ColumnMap
{
/// <summary>
/// Creates a column map with an empty ColumnInfo object.
/// </summary>
/// <param name="member">The .net member that is being mapped.</param>
public ColumnMap(MemberInfo member)
: this(member, new ColumnInfo())
{ }
public ColumnMap(MemberInfo member, IColumnInfo columnInfo)
{
FieldName = member.Name;
ColumnInfo = columnInfo;
// If the column name is not specified, the field name will be used.
if (string.IsNullOrEmpty(columnInfo.Name))
columnInfo.Name = member.Name;
FieldType = ReflectionHelper.GetMemberType(member);
Type paramNetType = FieldType;
Converter = MapRepository.Instance.GetConverter(FieldType);
if (Converter != null)
{
paramNetType = Converter.DbType;
}
DBType = MapRepository.Instance.DbTypeBuilder.GetDbType(paramNetType);
Getter = MapRepository.Instance.ReflectionStrategy.BuildGetter(member.DeclaringType, FieldName);
Setter = MapRepository.Instance.ReflectionStrategy.BuildSetter(member.DeclaringType, FieldName);
}
public string FieldName { get; set; }
public Type FieldType { get; set; }
public Enum DBType { get; set; }
public IColumnInfo ColumnInfo { get; set; }
public GetterDelegate Getter { get; private set; }
public SetterDelegate Setter { get; private set; }
public IConverter Converter { get; private set; }
}
}

235
src/Marr.Data/Mapping/ColumnMapBuilder.cs
View File

@ -1,235 +0,0 @@
using System;
using System.Linq;
using System.Linq.Expressions;
using System.Data;
using Marr.Data.Mapping.Strategies;
namespace Marr.Data.Mapping
{
/// <summary>
/// This class has fluent methods that are used to easily configure column mappings.
/// </summary>
/// <typeparam name="TEntity"></typeparam>
public class ColumnMapBuilder<TEntity>
{
private FluentMappings.MappingsFluentEntity<TEntity> _fluentEntity;
private string _currentPropertyName;
public ColumnMapBuilder(FluentMappings.MappingsFluentEntity<TEntity> fluentEntity, ColumnMapCollection mappedColumns)
{
_fluentEntity = fluentEntity;
MappedColumns = mappedColumns;
}
/// <summary>
/// Gets the list of column mappings that are being configured.
/// </summary>
public ColumnMapCollection MappedColumns { get; private set; }
#region - Fluent Methods -
/// <summary>
/// Initializes the configurator to configure the given property.
/// </summary>
/// <param name="property"></param>
/// <returns></returns>
public ColumnMapBuilder<TEntity> For(Expression<Func<TEntity, object>> property)
{
For(property.GetMemberName());
return this;
}
/// <summary>
/// Initializes the configurator to configure the given property or field.
/// </summary>
/// <param name="property"></param>
/// <returns></returns>
public ColumnMapBuilder<TEntity> For(string propertyName)
{
_currentPropertyName = propertyName;
// Try to add the column map if it doesn't exist
if (MappedColumns.GetByFieldName(_currentPropertyName) == null)
{
TryAddColumnMapForField(_currentPropertyName);
}
return this;
}
public ColumnMapBuilder<TEntity> SetPrimaryKey()
{
AssertCurrentPropertyIsSet();
return SetPrimaryKey(_currentPropertyName);
}
public ColumnMapBuilder<TEntity> SetPrimaryKey(string propertyName)
{
MappedColumns.GetByFieldName(propertyName).ColumnInfo.IsPrimaryKey = true;
return this;
}
public ColumnMapBuilder<TEntity> SetAutoIncrement()
{
AssertCurrentPropertyIsSet();
return SetAutoIncrement(_currentPropertyName);
}
public ColumnMapBuilder<TEntity> SetAutoIncrement(string propertyName)
{
MappedColumns.GetByFieldName(propertyName).ColumnInfo.IsAutoIncrement = true;
return this;
}
public ColumnMapBuilder<TEntity> SetColumnName(string columnName)
{
AssertCurrentPropertyIsSet();
return SetColumnName(_currentPropertyName, columnName);
}
public ColumnMapBuilder<TEntity> SetColumnName(string propertyName, string columnName)
{
MappedColumns.GetByFieldName(propertyName).ColumnInfo.Name = columnName;
return this;
}
public ColumnMapBuilder<TEntity> SetReturnValue()
{
AssertCurrentPropertyIsSet();
return SetReturnValue(_currentPropertyName);
}
public ColumnMapBuilder<TEntity> SetReturnValue(string propertyName)
{
MappedColumns.GetByFieldName(propertyName).ColumnInfo.ReturnValue = true;
return this;
}
public ColumnMapBuilder<TEntity> SetSize(int size)
{
AssertCurrentPropertyIsSet();
return SetSize(_currentPropertyName, size);
}
public ColumnMapBuilder<TEntity> SetSize(string propertyName, int size)
{
MappedColumns.GetByFieldName(propertyName).ColumnInfo.Size = size;
return this;
}
public ColumnMapBuilder<TEntity> SetAltName(string altName)
{
AssertCurrentPropertyIsSet();
return SetAltName(_currentPropertyName, altName);
}
public ColumnMapBuilder<TEntity> SetAltName(string propertyName, string altName)
{
MappedColumns.GetByFieldName(propertyName).ColumnInfo.AltName = altName;
return this;
}
public ColumnMapBuilder<TEntity> SetParamDirection(ParameterDirection direction)
{
AssertCurrentPropertyIsSet();
return SetParamDirection(_currentPropertyName, direction);
}
public ColumnMapBuilder<TEntity> SetParamDirection(string propertyName, ParameterDirection direction)
{
MappedColumns.GetByFieldName(propertyName).ColumnInfo.ParamDirection = direction;
return this;
}
public ColumnMapBuilder<TEntity> Ignore(Expression<Func<TEntity, object>> property)
{
string propertyName = property.GetMemberName();
return Ignore(propertyName);
}
public ColumnMapBuilder<TEntity> Ignore(string propertyName)
{
var columnMap = MappedColumns.GetByFieldName(propertyName);
MappedColumns.Remove(columnMap);
return this;
}
public ColumnMapBuilder<TEntity> PrefixAltNames(string prefix)
{
MappedColumns.PrefixAltNames(prefix);
return this;
}
public ColumnMapBuilder<TEntity> SuffixAltNames(string suffix)
{
MappedColumns.SuffixAltNames(suffix);
return this;
}
public FluentMappings.MappingsFluentTables<TEntity> Tables
{
get
{
if (_fluentEntity == null)
{
throw new Exception("This property is not compatible with the obsolete 'MapBuilder' class.");
}
return _fluentEntity.Table;
}
}
public FluentMappings.MappingsFluentRelationships<TEntity> Relationships
{
get
{
if (_fluentEntity == null)
{
throw new Exception("This property is not compatible with the obsolete 'MapBuilder' class.");
}
return _fluentEntity.Relationships;
}
}
public FluentMappings.MappingsFluentEntity<TNewEntity> Entity<TNewEntity>()
{
return new FluentMappings.MappingsFluentEntity<TNewEntity>(true);
}
/// <summary>
/// Tries to add a ColumnMap for the given field name.
/// Throws and exception if field cannot be found.
/// </summary>
private void TryAddColumnMapForField(string fieldName)
{
// Set strategy to filter for public or private fields
ConventionMapStrategy strategy = new ConventionMapStrategy(false);
// Find the field that matches the given field name
strategy.ColumnPredicate = mi => mi.Name == fieldName;
ColumnMap columnMap = strategy.MapColumns(typeof(TEntity)).FirstOrDefault();
if (columnMap == null)
{
throw new DataMappingException(string.Format("Could not find the field '{0}' in '{1}'.",
fieldName,
typeof(TEntity).Name));
}
MappedColumns.Add(columnMap);
}
/// <summary>
/// Throws an exception if the "current" property has not been set.
/// </summary>
private void AssertCurrentPropertyIsSet()
{
if (string.IsNullOrEmpty(_currentPropertyName))
{
throw new DataMappingException("A property must first be specified using the 'For' method.");
}
}
#endregion
}
}

172
src/Marr.Data/Mapping/ColumnMapCollection.cs
View File

@ -1,172 +0,0 @@
/* Copyright (C) 2008 - 2011 Jordan Marr
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>. */
using System.Collections.Generic;
using System.Data;
using System.Text.RegularExpressions;
using System.Data.Common;
namespace Marr.Data.Mapping
{
/// <summary>
/// This class contains a list of column mappings.
/// It also provides various methods to filter the collection.
/// </summary>
public class ColumnMapCollection : List<ColumnMap>
{
#region - Filters -
public ColumnMap GetByColumnName(string columnName)
{
return Find(m => m.ColumnInfo.Name == columnName);
}
public ColumnMap GetByFieldName(string fieldName)
{
return Find(m => m.FieldName == fieldName);
}
/// <summary>
/// Iterates through all fields marked as return values.
/// </summary>
public IEnumerable<ColumnMap> ReturnValues
{
get
{
foreach (ColumnMap map in this)
if (map.ColumnInfo.ReturnValue)
yield return map;
}
}
/// <summary>
/// Iterates through all fields that are not return values.
/// </summary>
public ColumnMapCollection NonReturnValues
{
get
{
ColumnMapCollection collection = new ColumnMapCollection();
foreach (ColumnMap map in this)
if (!map.ColumnInfo.ReturnValue)
collection.Add(map);
return collection;
}
}
/// <summary>
/// Iterates through all fields marked as Output parameters or InputOutput.
/// </summary>
public IEnumerable<ColumnMap> OutputFields
{
get
{
foreach (ColumnMap map in this)
if (map.ColumnInfo.ParamDirection == ParameterDirection.InputOutput ||
map.ColumnInfo.ParamDirection == ParameterDirection.Output)
yield return map;
}
}
/// <summary>
/// Iterates through all fields marked as primary keys.
/// </summary>
public ColumnMapCollection PrimaryKeys
{
get
{
ColumnMapCollection keys = new ColumnMapCollection();
foreach (ColumnMap map in this)
if (map.ColumnInfo.IsPrimaryKey)
keys.Add(map);
return keys;
}
}
/// <summary>
/// Parses and orders the parameters from the query text.
/// Filters the list of mapped columns to match the parameters found in the sql query.
/// All parameters starting with the '@' or ':' symbol are matched and returned.
/// </summary>
/// <param name="command">The command and parameters that are being parsed.</param>
/// <returns>A list of mapped columns that are present in the sql statement as parameters.</returns>
public ColumnMapCollection OrderParameters(DbCommand command)
{
if (command.CommandType == CommandType.Text && Count > 0)
{
string commandTypeString = command.GetType().ToString();
if (commandTypeString.Contains("Oracle") || commandTypeString.Contains("OleDb"))
{
ColumnMapCollection columns = new ColumnMapCollection();
// Find all @Parameters contained in the sql statement
string paramPrefix = commandTypeString.Contains("Oracle") ? ":" : "@";
string regexString = string.Format(@"{0}[\w-]+", paramPrefix);
Regex regex = new Regex(regexString);
foreach (Match m in regex.Matches(command.CommandText))
{
ColumnMap matchingColumn = Find(c => string.Concat(paramPrefix, c.ColumnInfo.Name.ToLower()) == m.Value.ToLower());
if (matchingColumn != null)
columns.Add(matchingColumn);
}
return columns;
}
}
return this;
}
#endregion
#region - Actions -
/// <summary>
/// Set's each column's altname as the given prefix + the column name.
/// Ex:
/// Original column name: "ID"
/// Passed in prefix: "PRODUCT_"
/// Generated AltName: "PRODUCT_ID"
/// </summary>
/// <param name="prefix">The given prefix.</param>
/// <returns></returns>
public ColumnMapCollection PrefixAltNames(string prefix)
{
ForEach(c => c.ColumnInfo.AltName = c.ColumnInfo.Name.Insert(0, prefix));
return this;
}
/// <summary>
/// Set's each column's altname as the column name + the given prefix.
/// Ex:
/// Original column name: "ID"
/// Passed in suffix: "_PRODUCT"
/// Generated AltName: "ID_PRODUCT"
/// </summary>
/// <param name="suffix"></param>
/// <returns></returns>
public ColumnMapCollection SuffixAltNames(string suffix)
{
ForEach(c => c.ColumnInfo.AltName = c.ColumnInfo.Name + suffix);
return this;
}
#endregion
}
}

24
src/Marr.Data/Mapping/EnumConversionType.cs
View File

@ -1,24 +0,0 @@
/* Copyright (C) 2008 - 2011 Jordan Marr
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>. */
namespace Marr.Data.Mapping
{
public enum EnumConversionType
{
NA,
Int,
String
}
}

234
src/Marr.Data/Mapping/FluentMappings.cs
View File

@ -1,234 +0,0 @@
using System;
using System.Reflection;
using Marr.Data.Mapping.Strategies;
using System.Collections;
namespace Marr.Data.Mapping
{
/// <summary>
/// Provides a fluent interface for mapping domain entities and properties to database tables and columns.
/// </summary>
public class FluentMappings
{
private bool _publicOnly;
public FluentMappings()
: this(true)
{ }
public FluentMappings(bool publicOnly)
{
_publicOnly = publicOnly;
}
public MappingsFluentEntity<TEntity> Entity<TEntity>()
{
return new MappingsFluentEntity<TEntity>(_publicOnly);
}
public class MappingsFluentEntity<TEntity>
{
public MappingsFluentEntity(bool publicOnly)
{
Columns = new MappingsFluentColumns<TEntity>(this, publicOnly);
Table = new MappingsFluentTables<TEntity>(this);
Relationships = new MappingsFluentRelationships<TEntity>(this, publicOnly);
}
/// <summary>
/// Contains methods that map entity properties to database table and view column names;
/// </summary>
public MappingsFluentColumns<TEntity> Columns { get; private set; }
/// <summary>
/// Contains methods that map entity classes to database table names.
/// </summary>
public MappingsFluentTables<TEntity> Table { get; private set; }
/// <summary>
/// Contains methods that map sub-entities with database table and view column names.
/// </summary>
public MappingsFluentRelationships<TEntity> Relationships { get; private set; }
}
public class MappingsFluentColumns<TEntity>
{
private bool _publicOnly;
private MappingsFluentEntity<TEntity> _fluentEntity;
public MappingsFluentColumns(MappingsFluentEntity<TEntity> fluentEntity, bool publicOnly)
{
_fluentEntity = fluentEntity;
_publicOnly = publicOnly;
}
/// <summary>
/// Creates column mappings for the given type.
/// Maps all properties except ICollection properties.
/// </summary>
/// <typeparam name="T">The type that is being built.</typeparam>
/// <returns><see cref="ColumnMapCollection"/></returns>
public ColumnMapBuilder<TEntity> AutoMapAllProperties()
{
return AutoMapPropertiesWhere(m => m.MemberType == MemberTypes.Property &&
!typeof(ICollection).IsAssignableFrom((m as PropertyInfo).PropertyType));
}
/// <summary>
/// Creates column mappings for the given type.
/// Maps all properties that are simple types (int, string, DateTime, etc).
/// ICollection properties are not included.
/// </summary>
/// <typeparam name="T">The type that is being built.</typeparam>
/// <returns><see cref="ColumnMapCollection"/></returns>
public ColumnMapBuilder<TEntity> AutoMapSimpleTypeProperties()
{
return AutoMapPropertiesWhere(m => m.MemberType == MemberTypes.Property &&
DataHelper.IsSimpleType((m as PropertyInfo).PropertyType) &&
!typeof(ICollection).IsAssignableFrom((m as PropertyInfo).PropertyType));
}
/// <summary>
/// Creates column mappings for the given type if they match the predicate.
/// </summary>
/// <typeparam name="T">The type that is being built.</typeparam>
/// <param name="predicate">Determines whether a mapping should be created based on the member info.</param>
/// <returns><see cref="ColumnMapConfigurator"/></returns>
public ColumnMapBuilder<TEntity> AutoMapPropertiesWhere(Func<MemberInfo, bool> predicate)
{
Type entityType = typeof(TEntity);
ConventionMapStrategy strategy = new ConventionMapStrategy(_publicOnly);
strategy.ColumnPredicate = predicate;
ColumnMapCollection columns = strategy.MapColumns(entityType);
MapRepository.Instance.Columns[entityType] = columns;
return new ColumnMapBuilder<TEntity>(_fluentEntity, columns);
}
/// <summary>
/// Creates a ColumnMapBuilder that starts out with no pre-populated columns.
/// All columns must be added manually using the builder.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <returns></returns>
public ColumnMapBuilder<TEntity> MapProperties()
{
Type entityType = typeof(TEntity);
ColumnMapCollection columns = new ColumnMapCollection();
MapRepository.Instance.Columns[entityType] = columns;
return new ColumnMapBuilder<TEntity>(_fluentEntity, columns);
}
}
public class MappingsFluentTables<TEntity>
{
private MappingsFluentEntity<TEntity> _fluentEntity;
public MappingsFluentTables(MappingsFluentEntity<TEntity> fluentEntity)
{
_fluentEntity = fluentEntity;
}
/// <summary>
/// Provides a fluent table mapping interface.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <returns></returns>
public TableBuilder<TEntity> AutoMapTable<T>()
{
return new TableBuilder<TEntity>(_fluentEntity);
}
/// <summary>
/// Sets the table name for a given type.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="tableName"></param>
public TableBuilder<TEntity> MapTable(string tableName)
{
return new TableBuilder<TEntity>(_fluentEntity).SetTableName(tableName);
}
}
public class MappingsFluentRelationships<TEntity>
{
private MappingsFluentEntity<TEntity> _fluentEntity;
private bool _publicOnly;
public MappingsFluentRelationships(MappingsFluentEntity<TEntity> fluentEntity, bool publicOnly)
{
_fluentEntity = fluentEntity;
_publicOnly = publicOnly;
}
/// <summary>
/// Creates relationship mappings for the given type.
/// Maps all properties that implement ICollection or are not "simple types".
/// </summary>
/// <returns></returns>
public RelationshipBuilder<TEntity> AutoMapICollectionOrComplexProperties()
{
return AutoMapPropertiesWhere(m =>
m.MemberType == MemberTypes.Property &&
(
typeof(ICollection).IsAssignableFrom((m as PropertyInfo).PropertyType) || !DataHelper.IsSimpleType((m as PropertyInfo).PropertyType)
)
);
}
/// <summary>
/// Creates relationship mappings for the given type.
/// Maps all properties that implement ICollection.
/// </summary>
/// <returns><see cref="RelationshipBuilder"/></returns>
public RelationshipBuilder<TEntity> AutoMapICollectionProperties()
{
return AutoMapPropertiesWhere(m =>
m.MemberType == MemberTypes.Property &&
typeof(ICollection).IsAssignableFrom((m as PropertyInfo).PropertyType));
}
/// <summary>
/// Creates relationship mappings for the given type.
/// Maps all properties that are not "simple types".
/// </summary>
/// <returns></returns>
public RelationshipBuilder<TEntity> AutoMapComplexTypeProperties<T>()
{
return AutoMapPropertiesWhere(m =>
m.MemberType == MemberTypes.Property &&
!DataHelper.IsSimpleType((m as PropertyInfo).PropertyType) &&
!MapRepository.Instance.TypeConverters.ContainsKey((m as PropertyInfo).PropertyType));
}
/// <summary>
/// Creates relationship mappings for the given type if they match the predicate.
/// </summary>
/// <param name="predicate">Determines whether a mapping should be created based on the member info.</param>
/// <returns><see cref="RelationshipBuilder"/></returns>
public RelationshipBuilder<TEntity> AutoMapPropertiesWhere(Func<MemberInfo, bool> predicate)
{
Type entityType = typeof(TEntity);
ConventionMapStrategy strategy = new ConventionMapStrategy(_publicOnly);
strategy.RelationshipPredicate = predicate;
RelationshipCollection relationships = strategy.MapRelationships(entityType);
MapRepository.Instance.Relationships[entityType] = relationships;
return new RelationshipBuilder<TEntity>(_fluentEntity, relationships);
}
/// <summary>
/// Creates a RelationshipBuilder that starts out with no pre-populated relationships.
/// All relationships must be added manually using the builder.
/// </summary>
/// <returns></returns>
public RelationshipBuilder<TEntity> MapProperties<T>()
{
Type entityType = typeof(T);
RelationshipCollection relationships = new RelationshipCollection();
MapRepository.Instance.Relationships[entityType] = relationships;
return new RelationshipBuilder<TEntity>(_fluentEntity, relationships);
}
}
}
}

32
src/Marr.Data/Mapping/IColumnInfo.cs
View File

@ -1,32 +0,0 @@
/* Copyright (C) 2008 - 2011 Jordan Marr
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>. */
using System.Data;
namespace Marr.Data.Mapping
{
public interface IColumnInfo
{
string Name { get; set; }
string AltName { get; set; }
int Size { get; set; }
bool IsPrimaryKey { get; set; }
bool IsAutoIncrement { get; set; }
bool ReturnValue { get; set; }
ParameterDirection ParamDirection { get; set; }
string TryGetAltName();
}
}

32
src/Marr.Data/Mapping/IRelationshipInfo.cs
View File

@ -1,32 +0,0 @@
/* Copyright (C) 2008 - 2011 Jordan Marr
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>. */
using System;
namespace Marr.Data.Mapping
{
public interface IRelationshipInfo
{
RelationshipTypes RelationType { get; set; }
Type EntityType { get; set; }
}
public enum RelationshipTypes
{
AutoDetect,
One,
Many
}
}

206
src/Marr.Data/Mapping/MapBuilder.cs
View File

@ -1,206 +0,0 @@
using System;
using System.Linq;
using Marr.Data.Mapping.Strategies;
using System.Reflection;
using System.Collections;
namespace Marr.Data.Mapping
{
[Obsolete("This class is obsolete. Please use the 'Mappings' class.")]
public class MapBuilder
{
private bool _publicOnly;
public MapBuilder()
: this(true)
{ }
public MapBuilder(bool publicOnly)
{
_publicOnly = publicOnly;
}
#region - Columns -
/// <summary>
/// Creates column mappings for the given type.
/// Maps all properties except ICollection properties.
/// </summary>
/// <typeparam name="T">The type that is being built.</typeparam>
/// <returns><see cref="ColumnMapCollection"/></returns>
public ColumnMapBuilder<T> BuildColumns<T>()
{
return BuildColumns<T>(m => m.MemberType == MemberTypes.Property &&
!typeof(ICollection).IsAssignableFrom((m as PropertyInfo).PropertyType));
}
/// <summary>
/// Creates column mappings for the given type.
/// Maps all properties that are simple types (int, string, DateTime, etc).
/// ICollection properties are not included.
/// </summary>
/// <typeparam name="T">The type that is being built.</typeparam>
/// <returns><see cref="ColumnMapCollection"/></returns>
public ColumnMapBuilder<T> BuildColumnsFromSimpleTypes<T>()
{
return BuildColumns<T>(m => m.MemberType == MemberTypes.Property &&
DataHelper.IsSimpleType((m as PropertyInfo).PropertyType) &&
!typeof(ICollection).IsAssignableFrom((m as PropertyInfo).PropertyType));
}
/// <summary>
/// Creates column mappings for the given type.
/// Maps properties that are included in the include list.
/// </summary>
/// <typeparam name="T">The type that is being built.</typeparam>
/// <param name="propertiesToInclude"></param>
/// <returns><see cref="ColumnMapCollection"/></returns>
public ColumnMapBuilder<T> BuildColumns<T>(params string[] propertiesToInclude)
{
return BuildColumns<T>(m =>
m.MemberType == MemberTypes.Property &&
propertiesToInclude.Contains(m.Name));
}
/// <summary>
/// Creates column mappings for the given type.
/// Maps all properties except the ones in the exclusion list.
/// </summary>
/// <typeparam name="T">The type that is being built.</typeparam>
/// <param name="propertiesToExclude"></param>
/// <returns><see cref="ColumnMapCollection"/></returns>
public ColumnMapBuilder<T> BuildColumnsExcept<T>(params string[] propertiesToExclude)
{
return BuildColumns<T>(m =>
m.MemberType == MemberTypes.Property &&
!propertiesToExclude.Contains(m.Name));
}
/// <summary>
/// Creates column mappings for the given type if they match the predicate.
/// </summary>
/// <typeparam name="T">The type that is being built.</typeparam>
/// <param name="predicate">Determines whether a mapping should be created based on the member info.</param>
/// <returns><see cref="ColumnMapConfigurator"/></returns>
public ColumnMapBuilder<T> BuildColumns<T>(Func<MemberInfo, bool> predicate)
{
Type entityType = typeof(T);
ConventionMapStrategy strategy = new ConventionMapStrategy(_publicOnly);
strategy.ColumnPredicate = predicate;
ColumnMapCollection columns = strategy.MapColumns(entityType);
MapRepository.Instance.Columns[entityType] = columns;
return new ColumnMapBuilder<T>(null, columns);
}
/// <summary>
/// Creates a ColumnMapBuilder that starts out with no pre-populated columns.
/// All columns must be added manually using the builder.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <returns></returns>
public ColumnMapBuilder<T> Columns<T>()
{
Type entityType = typeof(T);
ColumnMapCollection columns = new ColumnMapCollection();
MapRepository.Instance.Columns[entityType] = columns;
return new ColumnMapBuilder<T>(null, columns);
}
#endregion
#region - Relationships -
/// <summary>
/// Creates relationship mappings for the given type.
/// Maps all properties that implement ICollection.
/// </summary>
/// <typeparam name="T">The type that is being built.</typeparam>
/// <returns><see cref="RelationshipBuilder"/></returns>
public RelationshipBuilder<T> BuildRelationships<T>()
{
return BuildRelationships<T>(m =>
m.MemberType == MemberTypes.Property &&
typeof(ICollection).IsAssignableFrom((m as PropertyInfo).PropertyType));
}
/// <summary>
/// Creates relationship mappings for the given type.
/// Maps all properties that are listed in the include list.
/// </summary>
/// <typeparam name="T">The type that is being built.</typeparam>
/// <param name="propertiesToInclude"></param>
/// <returns><see cref="RelationshipBuilder"/></returns>
public RelationshipBuilder<T> BuildRelationships<T>(params string[] propertiesToInclude)
{
Func<MemberInfo, bool> predicate = m =>
(
// ICollection properties
m.MemberType == MemberTypes.Property &&
typeof(ICollection).IsAssignableFrom((m as PropertyInfo).PropertyType) &&
propertiesToInclude.Contains(m.Name)
) || ( // Single entity properties
m.MemberType == MemberTypes.Property &&
!typeof(ICollection).IsAssignableFrom((m as PropertyInfo).PropertyType) &&
propertiesToInclude.Contains(m.Name)
);
return BuildRelationships<T>(predicate);
}
/// <summary>
/// Creates relationship mappings for the given type if they match the predicate.
/// </summary>
/// <typeparam name="T">The type that is being built.</typeparam>
/// <param name="predicate">Determines whether a mapping should be created based on the member info.</param>
/// <returns><see cref="RelationshipBuilder"/></returns>
public RelationshipBuilder<T> BuildRelationships<T>(Func<MemberInfo, bool> predicate)
{
Type entityType = typeof(T);
ConventionMapStrategy strategy = new ConventionMapStrategy(_publicOnly);
strategy.RelationshipPredicate = predicate;
RelationshipCollection relationships = strategy.MapRelationships(entityType);
MapRepository.Instance.Relationships[entityType] = relationships;
return new RelationshipBuilder<T>(null, relationships);
}
/// <summary>
/// Creates a RelationshipBuilder that starts out with no pre-populated relationships.
/// All relationships must be added manually using the builder.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <returns></returns>
public RelationshipBuilder<T> Relationships<T>()
{
Type entityType = typeof(T);
RelationshipCollection relationships = new RelationshipCollection();
MapRepository.Instance.Relationships[entityType] = relationships;
return new RelationshipBuilder<T>(null, relationships);
}
#endregion
#region - Tables -
/// <summary>
/// Provides a fluent table mapping interface.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <returns></returns>
public TableBuilder<T> BuildTable<T>()
{
return new TableBuilder<T>(null);
}
/// <summary>
/// Sets the table name for a given type.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="tableName"></param>
public TableBuilder<T> BuildTable<T>(string tableName)
{
return new TableBuilder<T>(null).SetTableName(tableName);
}
#endregion
}
}

194
src/Marr.Data/Mapping/MappingHelper.cs
View File

@ -1,194 +0,0 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Data.Common;
using Marr.Data.Converters;
namespace Marr.Data.Mapping
{
internal class MappingHelper
{
private MapRepository _repos;
private IDataMapper _db;
public MappingHelper(IDataMapper db)
{
_repos = MapRepository.Instance;
_db = db;
}
/// <summary>
/// Instantiates an entity and loads its mapped fields with the data from the reader.
/// </summary>
public object CreateAndLoadEntity<T>(ColumnMapCollection mappings, DbDataReader reader, bool useAltName)
{
return CreateAndLoadEntity(typeof(T), mappings, reader, useAltName);
}
/// <summary>
/// Instantiates an entity and loads its mapped fields with the data from the reader.
/// </summary>
/// <param name="entityType">The entity being created and loaded.</param>
/// <param name="mappings">The field mappings for the passed in entity.</param>
/// <param name="reader">The open data reader.</param>
/// <param name="useAltNames">Determines if the column AltName should be used.</param>
/// <returns>Returns an entity loaded with data.</returns>
public object CreateAndLoadEntity(Type entityType, ColumnMapCollection mappings, DbDataReader reader, bool useAltName)
{
// Create new entity
object ent = _repos.ReflectionStrategy.CreateInstance(entityType);
return LoadExistingEntity(mappings, reader, ent, useAltName);
}
public object LoadExistingEntity(ColumnMapCollection mappings, DbDataReader reader, object ent, bool useAltName)
{
// Populate entity fields from data reader
foreach (ColumnMap dataMap in mappings)
{
object dbValue = null;
try
{
string colName = dataMap.ColumnInfo.GetColumName(useAltName);
int ordinal = reader.GetOrdinal(colName);
dbValue = reader.GetValue(ordinal);
// Handle conversions
if (dataMap.Converter != null)
{
var convertContext = new ConverterContext
{
DbValue = dbValue,
ColumnMap = dataMap,
MapCollection = mappings,
DataRecord = reader
};
dbValue = dataMap.Converter.FromDB(convertContext);
}
if (dbValue != DBNull.Value && dbValue != null)
{
dataMap.Setter(ent, dbValue);
}
}
catch (Exception ex)
{
string msg = string.Format("The DataMapper was unable to load the following field: '{0}' value: '{1}'. {2}",
dataMap.ColumnInfo.Name, dbValue, ex.Message);
throw new DataMappingException(msg, ex);
}
}
PrepareLazyLoadedProperties(ent);
return ent;
}
private void PrepareLazyLoadedProperties(object ent)
{
// Handle lazy loaded properties
Type entType = ent.GetType();
if (_repos.Relationships.ContainsKey(entType))
{
var provider = _db.ProviderFactory;
var connectionString = _db.ConnectionString;
Func<IDataMapper> dbCreate = () =>
{
var db = new DataMapper(provider, connectionString);
db.SqlMode = SqlModes.Text;
return db;
};
var relationships = _repos.Relationships[entType];
foreach (var rel in relationships.Where(r => r.IsLazyLoaded))
{
var lazyLoaded = (ILazyLoaded)rel.LazyLoaded.Clone();
lazyLoaded.Prepare(dbCreate, ent);
rel.Setter(ent, lazyLoaded);
}
}
}
public T LoadSimpleValueFromFirstColumn<T>(DbDataReader reader)
{
try
{
return (T)reader.GetValue(0);
}
catch (Exception ex)
{
string firstColumnName = reader.GetName(0);
string msg = string.Format("The DataMapper was unable to create a value of type '{0}' from the first column '{1}'.",
typeof(T).Name, firstColumnName);
throw new DataMappingException(msg, ex);
}
}
/// <summary>
/// Creates all parameters for a SP based on the mappings of the entity,
/// and assigns them values based on the field values of the entity.
/// </summary>
public void CreateParameters<T>(T entity, ColumnMapCollection columnMapCollection, bool isAutoQuery)
{
ColumnMapCollection mappings = columnMapCollection;
if (!isAutoQuery)
{
// Order columns (applies to Oracle and OleDb only)
mappings = columnMapCollection.OrderParameters(_db.Command);
}
foreach (ColumnMap columnMap in mappings)
{
if (columnMap.ColumnInfo.IsAutoIncrement)
continue;
var param = _db.Command.CreateParameter();
param.ParameterName = columnMap.ColumnInfo.Name;
param.Size = columnMap.ColumnInfo.Size;
param.Direction = columnMap.ColumnInfo.ParamDirection;
object val = columnMap.Getter(entity);
param.Value = val ?? DBNull.Value; // Convert nulls to DBNulls
if (columnMap.Converter != null)
{
param.Value = columnMap.Converter.ToDB(param.Value);
}
// Set the appropriate DbType property depending on the parameter type
// Note: the columnMap.DBType property was set when the ColumnMap was created
MapRepository.Instance.DbTypeBuilder.SetDbType(param, columnMap.DBType);
_db.Command.Parameters.Add(param);
}
}
/// <summary>
/// Assigns the SP result columns to the passed in 'mappings' fields.
/// </summary>
public void SetOutputValues<T>(T entity, IEnumerable<ColumnMap> mappings)
{
foreach (ColumnMap dataMap in mappings)
{
object output = _db.Command.Parameters[dataMap.ColumnInfo.Name].Value;
dataMap.Setter(entity, output);
}
}
/// <summary>
/// Assigns the passed in 'value' to the passed in 'mappings' fields.
/// </summary>
public void SetOutputValues<T>(T entity, IEnumerable<ColumnMap> mappings, object value)
{
foreach (ColumnMap dataMap in mappings)
{
dataMap.Setter(entity, Convert.ChangeType(value, dataMap.FieldType));
}
}
}
}

98
src/Marr.Data/Mapping/Relationship.cs
View File

@ -1,98 +0,0 @@
/* Copyright (C) 2008 - 2011 Jordan Marr
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>. */
using System;
using System.Collections;
using System.Reflection;
using Marr.Data.Reflection;
namespace Marr.Data.Mapping
{
public class Relationship
{
public Relationship(MemberInfo member)
: this(member, new RelationshipInfo())
{ }
public Relationship(MemberInfo member, IRelationshipInfo relationshipInfo)
{
Member = member;
MemberType = ReflectionHelper.GetMemberType(member);
// Try to determine the RelationshipType
if (relationshipInfo.RelationType == RelationshipTypes.AutoDetect)
{
if (typeof(ICollection).IsAssignableFrom(MemberType))
{
relationshipInfo.RelationType = RelationshipTypes.Many;
}
else
{
relationshipInfo.RelationType = RelationshipTypes.One;
}
}
// Try to determine the EntityType
if (relationshipInfo.EntityType == null)
{
if (relationshipInfo.RelationType == RelationshipTypes.Many)
{
if (MemberType.IsGenericType)
{
// Assume a Collection<T> or List<T> and return T
relationshipInfo.EntityType = MemberType.GetGenericArguments()[0];
}
else
{
throw new ArgumentException(string.Format(
"The DataMapper could not determine the RelationshipAttribute EntityType for {0}.",
MemberType.Name));
}
}
else
{
relationshipInfo.EntityType = MemberType;
}
}
RelationshipInfo = relationshipInfo;
Setter = MapRepository.Instance.ReflectionStrategy.BuildSetter(member.DeclaringType, member.Name);
}
public IRelationshipInfo RelationshipInfo { get; private set; }
public MemberInfo Member { get; private set; }
public Type MemberType { get; private set; }
public bool IsLazyLoaded
{
get
{
return LazyLoaded != null;
}
}
public ILazyLoaded LazyLoaded { get; set; }
public GetterDelegate Getter { get; set; }
public SetterDelegate Setter { get; set; }
}
}

75
src/Marr.Data/Mapping/RelationshipAttribute.cs
View File

@ -1,75 +0,0 @@
/* Copyright (C) 2008 - 2011 Jordan Marr
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>. */
using System;
namespace Marr.Data.Mapping
{
/// <summary>
/// Defines a field as a related entity that needs to be created at filled with data.
/// </summary>
[AttributeUsage(AttributeTargets.Field | AttributeTargets.Property, AllowMultiple = false)]
public class RelationshipAttribute : Attribute, IRelationshipInfo
{
/// <summary>
/// Defines a data relationship.
/// </summary>
public RelationshipAttribute()
: this(RelationshipTypes.AutoDetect)
{ }
/// <summary>
/// Defines a data relationship.
/// </summary>
/// <param name="relationType"></param>
public RelationshipAttribute(RelationshipTypes relationType)
{
RelationType = relationType;
}
/// <summary>
/// Defines a One-ToMany data relationship for a given type.
/// </summary>
/// <param name="entityType">The type of the child entity.</param>
public RelationshipAttribute(Type entityType)
: this(entityType, RelationshipTypes.AutoDetect)
{ }
/// <summary>
/// Defines a data relationship.
/// </summary>
/// <param name="entityType">The type of the child entity.</param>
/// <param name="relationType">The relationship type can be "One" or "Many".</param>
public RelationshipAttribute(Type entityType, RelationshipTypes relationType)
{
EntityType = entityType;
RelationType = relationType;
}
#region IRelationshipInfo Members
/// <summary>
/// Gets or sets the relationship type can be "One" or "Many".
/// </summary>
public RelationshipTypes RelationType { get; set; }
/// <summary>
/// Gets or sets the type of the child entity.
/// </summary>
public Type EntityType { get; set; }
#endregion
}
}

172
src/Marr.Data/Mapping/RelationshipBuilder.cs
View File

@ -1,172 +0,0 @@
using System;
using System.Linq;
using System.Linq.Expressions;
using Marr.Data.Mapping.Strategies;
namespace Marr.Data.Mapping
{
/// <summary>
/// This class has fluent methods that are used to easily configure relationship mappings.
/// </summary>
/// <typeparam name="TEntity"></typeparam>
public class RelationshipBuilder<TEntity>
{
private FluentMappings.MappingsFluentEntity<TEntity> _fluentEntity;
private string _currentPropertyName;
public RelationshipBuilder(FluentMappings.MappingsFluentEntity<TEntity> fluentEntity, RelationshipCollection relationships)
{
_fluentEntity = fluentEntity;
Relationships = relationships;
}
/// <summary>
/// Gets the list of relationship mappings that are being configured.
/// </summary>
public RelationshipCollection Relationships { get; private set; }
#region - Fluent Methods -
/// <summary>
/// Initializes the configurator to configure the given property.
/// </summary>
/// <param name="property"></param>
/// <returns></returns>
public RelationshipBuilder<TEntity> For(Expression<Func<TEntity, object>> property)
{
return For(property.GetMemberName());
}
/// <summary>
/// Initializes the configurator to configure the given property or field.
/// </summary>
/// <param name="propertyName"></param>
/// <returns></returns>
public RelationshipBuilder<TEntity> For(string propertyName)
{
_currentPropertyName = propertyName;
// Try to add the relationship if it doesn't exist
if (Relationships[_currentPropertyName] == null)
{
TryAddRelationshipForField(_currentPropertyName);
}
return this;
}
/// <summary>
/// Sets a property to be lazy loaded, with a given query.
/// </summary>
/// <typeparam name="TChild"></typeparam>
/// <param name="query"></param>
/// <param name="condition">condition in which a child could exist. eg. avoid call to db if foreign key is 0 or null</param>
/// <returns></returns>
public RelationshipBuilder<TEntity> LazyLoad<TChild>(Func<IDataMapper, TEntity, TChild> query, Func<TEntity, bool> condition = null)
{
AssertCurrentPropertyIsSet();
Relationships[_currentPropertyName].LazyLoaded = new LazyLoaded<TEntity, TChild>(query, condition);
return this;
}
public RelationshipBuilder<TEntity> SetOneToOne()
{
AssertCurrentPropertyIsSet();
SetOneToOne(_currentPropertyName);
return this;
}
public RelationshipBuilder<TEntity> SetOneToOne(string propertyName)
{
Relationships[propertyName].RelationshipInfo.RelationType = RelationshipTypes.One;
return this;
}
public RelationshipBuilder<TEntity> SetOneToMany()
{
AssertCurrentPropertyIsSet();
SetOneToMany(_currentPropertyName);
return this;
}
public RelationshipBuilder<TEntity> SetOneToMany(string propertyName)
{
Relationships[propertyName].RelationshipInfo.RelationType = RelationshipTypes.Many;
return this;
}
public RelationshipBuilder<TEntity> Ignore(Expression<Func<TEntity, object>> property)
{
string propertyName = property.GetMemberName();
Relationships.RemoveAll(r => r.Member.Name == propertyName);
return this;
}
public FluentMappings.MappingsFluentTables<TEntity> Tables
{
get
{
if (_fluentEntity == null)
{
throw new Exception("This property is not compatible with the obsolete 'MapBuilder' class.");
}
return _fluentEntity.Table;
}
}
public FluentMappings.MappingsFluentColumns<TEntity> Columns
{
get
{
if (_fluentEntity == null)
{
throw new Exception("This property is not compatible with the obsolete 'MapBuilder' class.");
}
return _fluentEntity.Columns;
}
}
public FluentMappings.MappingsFluentEntity<TNewEntity> Entity<TNewEntity>()
{
return new FluentMappings.MappingsFluentEntity<TNewEntity>(true);
}
/// <summary>
/// Tries to add a Relationship for the given field name.
/// Throws and exception if field cannot be found.
/// </summary>
private void TryAddRelationshipForField(string fieldName)
{
// Set strategy to filter for public or private fields
ConventionMapStrategy strategy = new ConventionMapStrategy(false);
// Find the field that matches the given field name
strategy.RelationshipPredicate = mi => mi.Name == fieldName;
Relationship relationship = strategy.MapRelationships(typeof(TEntity)).FirstOrDefault();
if (relationship == null)
{
throw new DataMappingException(string.Format("Could not find the field '{0}' in '{1}'.",
fieldName,
typeof(TEntity).Name));
}
Relationships.Add(relationship);
}
/// <summary>
/// Throws an exception if the "current" property has not been set.
/// </summary>
private void AssertCurrentPropertyIsSet()
{
if (string.IsNullOrEmpty(_currentPropertyName))
{
throw new DataMappingException("A property must first be specified using the 'For' method.");
}
}
#endregion
}
}

35
src/Marr.Data/Mapping/RelationshipCollection.cs
View File

@ -1,35 +0,0 @@
/* Copyright (C) 2008 - 2011 Jordan Marr
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>. */
using System.Collections.Generic;
namespace Marr.Data.Mapping
{
public class RelationshipCollection : List<Relationship>
{
/// <summary>
/// Gets a ColumnMap by its field name.
/// </summary>
/// <param name="fieldName"></param>
/// <returns></returns>
public Relationship this[string fieldName]
{
get
{
return Find(m => m.Member.Name == fieldName);
}
}
}
}

11
src/Marr.Data/Mapping/RelationshipInfo.cs
View File

@ -1,11 +0,0 @@
using System;
namespace Marr.Data.Mapping
{
public class RelationshipInfo : IRelationshipInfo
{
public RelationshipTypes RelationType { get; set; }
public Type EntityType { get; set; }
}
}

70
src/Marr.Data/Mapping/Strategies/AttributeMapStrategy.cs
View File

@ -1,70 +0,0 @@
/* Copyright (C) 2008 - 2011 Jordan Marr
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>. */
using System;
using System.Reflection;
namespace Marr.Data.Mapping.Strategies
{
/// <summary>
/// Maps fields or properties that are marked with the ColumnAttribute.
/// </summary>
public class AttributeMapStrategy : ReflectionMapStrategyBase
{
public AttributeMapStrategy()
: base()
{ }
public AttributeMapStrategy(bool publicOnly)
: base(publicOnly)
{ }
public AttributeMapStrategy(BindingFlags flags)
: base(flags)
{ }
/// <summary>
/// Registers any member with a ColumnAttribute as a ColumnMap.
/// <param name="entityType">The entity that is being mapped.</param>
/// <param name="member">The current member that is being inspected.</param>
/// <param name="columnAtt">A ColumnAttribute (is null of one does not exist).</param>
/// <param name="columnMaps">A list of ColumnMaps.</param>
/// </summary>
protected override void CreateColumnMap(Type entityType, MemberInfo member, ColumnAttribute columnAtt, ColumnMapCollection columnMaps)
{
if (columnAtt != null)
{
ColumnMap columnMap = new ColumnMap(member, columnAtt);
columnMaps.Add(columnMap);
}
}
/// <summary>
/// Registers any member with a RelationshipAttribute as a relationship.
/// </summary>
/// <param name="entityType">The entity that is being mapped.</param>
/// <param name="member">The current member that is being inspected.</param>
/// <param name="relationshipAtt">A RelationshipAttribute (is null if one does not exist).</param>
/// <param name="relationships">A list of Relationships.</param>
protected override void CreateRelationship(Type entityType, MemberInfo member, RelationshipAttribute relationshipAtt, RelationshipCollection relationships)
{
if (relationshipAtt != null)
{
Relationship relationship = new Relationship(member, relationshipAtt);
relationships.Add(relationship);
}
}
}
}

48
src/Marr.Data/Mapping/Strategies/ConventionMapStrategy.cs
View File

@ -1,48 +0,0 @@
using System;
using System.Reflection;
using System.Collections;
namespace Marr.Data.Mapping.Strategies
{
/// <summary>
/// Allows you to specify a member based filter by defining predicates that filter the members that are mapped.
/// </summary>
public class ConventionMapStrategy : ReflectionMapStrategyBase
{
public ConventionMapStrategy(bool publicOnly)
: base(publicOnly)
{
// Default: Only map members that are properties
ColumnPredicate = m => m.MemberType == MemberTypes.Property;
// Default: Only map members that are properties and that are ICollection types
RelationshipPredicate = m =>
{
return m.MemberType == MemberTypes.Property && typeof(ICollection).IsAssignableFrom((m as PropertyInfo).PropertyType);
};
}
public Func<MemberInfo, bool> ColumnPredicate;
public Func<MemberInfo, bool> RelationshipPredicate;
protected override void CreateColumnMap(Type entityType, MemberInfo member, ColumnAttribute columnAtt, ColumnMapCollection columnMaps)
{
if (ColumnPredicate(member))
{
// Map public property to DB column
columnMaps.Add(new ColumnMap(member));
}
}
protected override void CreateRelationship(Type entityType, MemberInfo member, RelationshipAttribute relationshipAtt, RelationshipCollection relationships)
{
if (RelationshipPredicate(member))
{
relationships.Add(new Relationship(member));
}
}
}
}

45
src/Marr.Data/Mapping/Strategies/IMapStrategy.cs
View File

@ -1,45 +0,0 @@
/* Copyright (C) 2008 - 2011 Jordan Marr
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>. */
using System;
namespace Marr.Data.Mapping.Strategies
{
/// <summary>
/// A strategy for creating mappings for a given entity.
/// </summary>
public interface IMapStrategy
{
/// <summary>
/// Creates a table map for a given entity type.
/// </summary>
/// <param name="entityType"></param>
/// <returns></returns>
string MapTable(Type entityType);
/// <summary>
/// Creates a ColumnMapCollection for a given entity type.
/// </summary>
/// <param name="entityType">The entity that is being mapped.</param>
ColumnMapCollection MapColumns(Type entityType);
/// <summary>
/// Creates a RelationshpCollection for a given entity type.
/// </summary>
/// <param name="entityType">The entity that is being mapped.</param>
/// <returns></returns>
RelationshipCollection MapRelationships(Type entityType);
}
}

83
src/Marr.Data/Mapping/Strategies/PropertyMapStrategy.cs
View File

@ -1,83 +0,0 @@
/* Copyright (C) 2008 - 2011 Jordan Marr
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>. */
using System;
using System.Collections;
using System.Reflection;
namespace Marr.Data.Mapping.Strategies
{
/// <summary>
/// Maps all public properties to DB columns.
/// </summary>
public class PropertyMapStrategy : AttributeMapStrategy
{
public PropertyMapStrategy(bool publicOnly)
: base(publicOnly)
{ }
/// <summary>
/// Maps properties to DB columns if a ColumnAttribute is not present.
/// <param name="entityType">The entity that is being mapped.</param>
/// <param name="member">The current member that is being inspected.</param>
/// <param name="columnAtt">A ColumnAttribute (is null of one does not exist).</param>
/// <param name="columnMaps">A list of ColumnMaps.</param>
/// </summary>
protected override void CreateColumnMap(Type entityType, MemberInfo member, ColumnAttribute columnAtt, ColumnMapCollection columnMaps)
{
if (columnAtt != null)
{
// Add columns with ColumnAttribute
base.CreateColumnMap(entityType, member, columnAtt, columnMaps);
}
else
{
if (member.MemberType == MemberTypes.Property)
{
// Map public property to DB column
columnMaps.Add(new ColumnMap(member));
}
}
}
/// <summary>
/// Maps a relationship if a RelationshipAttribute is present.
/// </summary>
/// <param name="entityType">The entity that is being mapped.</param>
/// <param name="member">The current member that is being inspected.</param>
/// <param name="relationshipAtt">A RelationshipAttribute (is null if one does not exist).</param>
/// <param name="relationships">A list of Relationships.</param>
protected override void CreateRelationship(Type entityType, MemberInfo member, RelationshipAttribute relationshipAtt, RelationshipCollection relationships)
{
if (relationshipAtt != null)
{
// Add relationships by RelationshipAttribute
base.CreateRelationship(entityType, member, relationshipAtt, relationships);
}
else
{
if (member.MemberType == MemberTypes.Property)
{
PropertyInfo propertyInfo = member as PropertyInfo;
if (typeof(ICollection).IsAssignableFrom(propertyInfo.PropertyType))
{
Relationship relationship = new Relationship(member);
relationships.Add(relationship);
}
}
}
}
}
}

145
src/Marr.Data/Mapping/Strategies/ReflectionMapStrategyBase.cs
View File

@ -1,145 +0,0 @@
/* Copyright (C) 2008 - 2011 Jordan Marr
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>. */
using System;
using System.Reflection;
namespace Marr.Data.Mapping.Strategies
{
/// <summary>
/// Iterates through the members of an entity based on the BindingFlags, and provides an abstract method for adding ColumnMaps for each member.
/// </summary>
public abstract class ReflectionMapStrategyBase : IMapStrategy
{
private BindingFlags _bindingFlags;
/// <summary>
/// Loops through members with the following BindingFlags:
/// Instance | NonPublic | Public | FlattenHierarchy
/// </summary>
public ReflectionMapStrategyBase()
{
_bindingFlags = BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.FlattenHierarchy;
}
/// <summary>
/// Loops through members with the following BindingFlags:
/// Instance | Public | FlattenHierarchy | NonPublic (optional)
/// </summary>
/// <param name="publicOnly"></param>
public ReflectionMapStrategyBase(bool publicOnly)
{
if (publicOnly)
{
_bindingFlags = BindingFlags.Instance | BindingFlags.Public | BindingFlags.FlattenHierarchy;
}
else
{
_bindingFlags = BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.FlattenHierarchy;
}
}
/// <summary>
/// Loops through members based on the passed in BindingFlags.
/// </summary>
/// <param name="bindingFlags"></param>
public ReflectionMapStrategyBase(BindingFlags bindingFlags)
{
_bindingFlags = bindingFlags;
}
public string MapTable(Type entityType)
{
object[] atts = entityType.GetCustomAttributes(typeof(TableAttribute), true);
if (atts.Length > 0)
{
return (atts[0] as TableAttribute).Name;
}
return entityType.Name;
}
/// <summary>
/// Implements IMapStrategy.
/// Loops through filtered members and calls the virtual "CreateColumnMap" void for each member.
/// Subclasses can override CreateColumnMap to customize adding ColumnMaps.
/// </summary>
/// <param name="entityType"></param>
/// <returns></returns>
public ColumnMapCollection MapColumns(Type entityType)
{
ColumnMapCollection columnMaps = new ColumnMapCollection();
MemberInfo[] members = entityType.GetMembers(_bindingFlags);
foreach (var member in members)
{
ColumnAttribute columnAtt = GetColumnAttribute(member);
CreateColumnMap(entityType, member, columnAtt, columnMaps);
}
return columnMaps;
}
public RelationshipCollection MapRelationships(Type entityType)
{
RelationshipCollection relationships = new RelationshipCollection();
MemberInfo[] members = entityType.GetMembers(_bindingFlags);
foreach (MemberInfo member in members)
{
RelationshipAttribute relationshipAtt = GetRelationshipAttribute(member);
CreateRelationship(entityType, member, relationshipAtt, relationships);
}
return relationships;
}
protected ColumnAttribute GetColumnAttribute(MemberInfo member)
{
if (member.IsDefined(typeof(ColumnAttribute), false))
{
return (ColumnAttribute)member.GetCustomAttributes(typeof(ColumnAttribute), false)[0];
}
return null;
}
protected RelationshipAttribute GetRelationshipAttribute(MemberInfo member)
{
if (member.IsDefined(typeof(RelationshipAttribute), false))
{
return (RelationshipAttribute)member.GetCustomAttributes(typeof(RelationshipAttribute), false)[0];
}
return null;
}
/// <summary>
/// Inspect a member and optionally add a ColumnMap.
/// </summary>
/// <param name="entityType">The entity type that is being mapped.</param>
/// <param name="member">The member that is being mapped.</param>
/// <param name="columnMaps">The ColumnMapCollection that is being created.</param>
protected abstract void CreateColumnMap(Type entityType, MemberInfo member, ColumnAttribute columnAtt, ColumnMapCollection columnMaps);
/// <summary>
/// Inspect a member and optionally add a Relationship.
/// </summary>
/// <param name="entityType">The entity that is being mapped.</param>
/// <param name="member">The current member that is being inspected.</param>
/// <param name="relationshipAtt">A RelationshipAttribute (is null if one does not exist).</param>
/// <param name="relationships">A list of Relationships.</param>
protected abstract void CreateRelationship(Type entityType, MemberInfo member, RelationshipAttribute relationshipAtt, RelationshipCollection relationships);
}
}

40
src/Marr.Data/Mapping/TableAttribute.cs
View File

@ -1,40 +0,0 @@
/* Copyright (C) 2008 - 2011 Jordan Marr
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>. */
using System;
namespace Marr.Data.Mapping
{
[AttributeUsage(AttributeTargets.Class, AllowMultiple = false)]
public class TableAttribute : Attribute
{
private string _name;
public TableAttribute()
{
}
public TableAttribute(string name)
{
_name = name;
}
public string Name
{
get { return _name; }
set { _name = value; }
}
}
}

58
src/Marr.Data/Mapping/TableBuilder.cs
View File

@ -1,58 +0,0 @@
using System;
namespace Marr.Data.Mapping
{
/// <summary>
/// This class has fluent methods that are used to easily configure the table mapping.
/// </summary>
public class TableBuilder<TEntity>
{
private FluentMappings.MappingsFluentEntity<TEntity> _fluentEntity;
public TableBuilder(FluentMappings.MappingsFluentEntity<TEntity> fluentEntity)
{
_fluentEntity = fluentEntity;
}
#region - Fluent Methods -
public TableBuilder<TEntity> SetTableName(string tableName)
{
MapRepository.Instance.Tables[typeof(TEntity)] = tableName;
return this;
}
public FluentMappings.MappingsFluentColumns<TEntity> Columns
{
get
{
if (_fluentEntity == null)
{
throw new Exception("This property is not compatible with the obsolete 'MapBuilder' class.");
}
return _fluentEntity.Columns;
}
}
public FluentMappings.MappingsFluentRelationships<TEntity> Relationships
{
get
{
if (_fluentEntity == null)
{
throw new Exception("This property is not compatible with the obsolete 'MapBuilder' class.");
}
return _fluentEntity.Relationships;
}
}
public FluentMappings.MappingsFluentEntity<TNewEntity> Entity<TNewEntity>()
{
return new FluentMappings.MappingsFluentEntity<TNewEntity>(true);
}
#endregion
}
}

9
src/Marr.Data/Marr.Data.csproj
View File

@ -1,9 +0,0 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFrameworks>netstandard2.0</TargetFrameworks>
<AssemblyVersion>3.17.0.0</AssemblyVersion>
<GenerateAssemblyFileVersionAttribute>false</GenerateAssemblyFileVersionAttribute>
<GenerateAssemblyInformationalVersionAttribute>false</GenerateAssemblyInformationalVersionAttribute>
</PropertyGroup>
</Project>

69
src/Marr.Data/Parameters/DbTypeBuilder.cs
View File

@ -1,69 +0,0 @@
/* Copyright (C) 2008 - 2011 Jordan Marr
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>. */
using System;
using System.Data;
namespace Marr.Data.Parameters
{
public class DbTypeBuilder : IDbTypeBuilder
{
public Enum GetDbType(Type type)
{
if (type == typeof(String))
return DbType.String;
if (type == typeof(Int32))
return DbType.Int32;
if (type == typeof(Decimal))
return DbType.Decimal;
if (type == typeof(DateTime))
return DbType.DateTime;
if (type == typeof(Boolean))
return DbType.Boolean;
if (type == typeof(Int16))
return DbType.Int16;
if (type == typeof(Single))
return DbType.Single;
if (type == typeof(Int64))
return DbType.Int64;
if (type == typeof(Double))
return DbType.Double;
if (type == typeof(Byte))
return DbType.Byte;
if (type == typeof(Byte[]))
return DbType.Binary;
if (type == typeof(Guid))
return DbType.Guid;
return DbType.Object;
}
public void SetDbType(IDbDataParameter param, Enum dbType)
{
param.DbType = (DbType)dbType;
}
}
}

30
src/Marr.Data/Parameters/IDbTypeBuilder.cs
View File

@ -1,30 +0,0 @@
/* Copyright (C) 2008 - 2011 Jordan Marr
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>. */
using System;
using System.Data;
namespace Marr.Data.Parameters
{
/// <summary>
/// Converts from a .NET datatype to the appropriate DB type enum,
/// and then adds the value to the appropriate property on the parameter.
/// </summary>
public interface IDbTypeBuilder
{
Enum GetDbType(Type type);
void SetDbType(IDbDataParameter param, Enum dbType);
}
}

121
src/Marr.Data/Parameters/ParameterChainMethods.cs
View File

@ -1,121 +0,0 @@
/* Copyright (C) 2008 - 2011 Jordan Marr
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>. */
using System;
using System.Data;
using System.Data.Common;
using Marr.Data.Converters;
namespace Marr.Data.Parameters
{
/// <summary>
/// This class allows chaining methods to be called for convenience when adding a parameter.
/// </summary>
public class ParameterChainMethods
{
/// <summary>
/// Creates a new parameter and adds it to the command's Parameters collection.
/// </summary>
/// <param name="command">The command that the parameter will be added to.</param>
/// <param name="parameterName">The parameter name.</param>
public ParameterChainMethods(DbCommand command, string parameterName, object value)
{
Parameter = command.CreateParameter();
Parameter.ParameterName = parameterName;
// Convert null to DBNull.Value
if (value == null)
value = DBNull.Value;
Type valueType = value.GetType();
// Check for a registered IConverter
IConverter converter = MapRepository.Instance.GetConverter(valueType);
if (converter != null)
{
Parameter.Value = converter.ToDB(value);
}
else
{
Parameter.Value = value;
}
//// Determine the correct DbType based on the passed in value type
//IDbTypeBuilder typeBuilder = MapRepository.Instance.DbTypeBuilder;
//Enum dbType = typeBuilder.GetDbType(valueType);
//// Set the appropriate DbType property depending on the parameter type
//typeBuilder.SetDbType(Parameter, dbType);
command.Parameters.Add(Parameter);
}
/// <summary>
/// Gets a reference to the parameter.
/// </summary>
public IDbDataParameter Parameter { get; private set; }
/// <summary>
/// Sets the direction of a parameter.
/// </summary>
/// <param name="direction">Determines the direction of a parameter.</param>
/// <returns>Return a ParameterChainMethods object.</returns>
public ParameterChainMethods Direction(ParameterDirection direction)
{
Parameter.Direction = direction;
return this;
}
/// <summary>
/// Sets the direction of a parameter to 'Output'.
/// </summary>
/// <returns></returns>
public ParameterChainMethods Output()
{
Parameter.Direction = ParameterDirection.Output;
return this;
}
public ParameterChainMethods DBType(DbType dbType)
{
Parameter.DbType = dbType;
return this;
}
public ParameterChainMethods Size(int size)
{
Parameter.Size = size;
return this;
}
public ParameterChainMethods Precision(byte precision)
{
Parameter.Precision = precision;
return this;
}
public ParameterChainMethods Scale(byte scale)
{
Parameter.Scale = scale;
return this;
}
public ParameterChainMethods Name(string name)
{
Parameter.ParameterName = name;
return this;
}
}
}

28
src/Marr.Data/QGen/DeleteQuery.cs
View File

@ -1,28 +0,0 @@
using Marr.Data.QGen.Dialects;
namespace Marr.Data.QGen
{
/// <summary>
/// This class creates a SQL delete query.
/// </summary>
public class DeleteQuery : IQuery
{
protected Table TargetTable { get; set; }
protected string WhereClause { get; set; }
protected Dialect Dialect { get; set; }
public DeleteQuery(Dialect dialect, Table targetTable, string whereClause)
{
Dialect = dialect;
TargetTable = targetTable;
WhereClause = whereClause;
}
public string Generate()
{
return string.Format("DELETE FROM {0} {1} ",
Dialect.CreateToken(TargetTable.Name),
WhereClause);
}
}
}

72
src/Marr.Data/QGen/Dialects/Dialect.cs
View File

@ -1,72 +0,0 @@
using System;
using System.Text;
namespace Marr.Data.QGen.Dialects
{
public class Dialect
{
/// <summary>
/// The default token is surrounded by brackets.
/// </summary>
/// <param name="token"></param>
public virtual string CreateToken(string token)
{
if (string.IsNullOrEmpty(token))
{
return string.Empty;
}
string[] parts = token.Replace('[', new Char()).Replace(']', new Char()).Split('.');
StringBuilder sb = new StringBuilder();
foreach (string part in parts)
{
if (sb.Length > 0)
sb.Append(".");
sb.Append("[").Append(part).Append("]");
}
return sb.ToString();
}
public virtual string IdentityQuery
{
get
{
return null;
}
}
public bool HasIdentityQuery
{
get
{
return !string.IsNullOrEmpty(IdentityQuery);
}
}
public virtual bool SupportsBatchQueries
{
get
{
return true;
}
}
public virtual string StartsWithFormat
{
get { return "({0} LIKE {1} + '%')"; }
}
public virtual string EndsWithFormat
{
get { return "({0} LIKE '%' + {1})"; }
}
public virtual string ContainsFormat
{
get { return "({0} LIKE '%' + {1} + '%')"; }
}
}
}

28
src/Marr.Data/QGen/Dialects/SqliteDialect.cs
View File

@ -1,28 +0,0 @@
namespace Marr.Data.QGen.Dialects
{
public class SqliteDialect : Dialect
{
public override string IdentityQuery
{
get
{
return "SELECT last_insert_rowid();";
}
}
public override string StartsWithFormat
{
get { return "({0} LIKE {1} || '%')"; }
}
public override string EndsWithFormat
{
get { return "({0} LIKE '%' || {1})"; }
}
public override string ContainsFormat
{
get { return "({0} LIKE '%' || {1} || '%')"; }
}
}
}

11
src/Marr.Data/QGen/IQuery.cs
View File

@ -1,11 +0,0 @@
namespace Marr.Data.QGen
{
internal interface IQuery
{
/// <summary>
/// Generates a SQL query for a given entity.
/// </summary>
/// <returns></returns>
string Generate();
}
}

12
src/Marr.Data/QGen/IQueryBuilder.cs
View File

@ -1,12 +0,0 @@
namespace Marr.Data.QGen
{
public interface IQueryBuilder
{
string BuildQuery();
}
public interface ISortQueryBuilder : IQueryBuilder
{
string BuildQuery(bool useAltNames);
}
}

67
src/Marr.Data/QGen/InsertQuery.cs
View File

@ -1,67 +0,0 @@
using System.Text;
using Marr.Data.Mapping;
using System.Data.Common;
using Marr.Data.QGen.Dialects;
namespace Marr.Data.QGen
{
/// <summary>
/// This class creates an insert query.
/// </summary>
public class InsertQuery : IQuery
{
protected Dialect Dialect { get; set; }
protected string Target { get; set; }
protected ColumnMapCollection Columns { get; set; }
protected DbCommand Command { get; set; }
public InsertQuery(Dialect dialect, ColumnMapCollection columns, DbCommand command, string target)
{
if (string.IsNullOrEmpty(target))
{
throw new DataMappingException("A target table must be passed in or set in a TableAttribute.");
}
Dialect = dialect;
Target = target;
Columns = columns;
Command = command;
}
public virtual string Generate()
{
StringBuilder sql = new StringBuilder();
StringBuilder values = new StringBuilder(") VALUES (");
sql.AppendFormat("INSERT INTO {0} (", Dialect.CreateToken(Target));
int sqlStartIndex = sql.Length;
int valuesStartIndex = values.Length;
foreach (DbParameter p in Command.Parameters)
{
var c = Columns.GetByColumnName(p.ParameterName);
if (c == null)
break; // All insert columns have been added
if (sql.Length > sqlStartIndex)
sql.Append(",");
if (values.Length > valuesStartIndex)
values.Append(",");
if (!c.ColumnInfo.IsAutoIncrement)
{
sql.AppendFormat(Dialect.CreateToken(c.ColumnInfo.Name));
values.AppendFormat("{0}{1}", Command.ParameterPrefix(), p.ParameterName);
}
}
values.Append(")");
sql.Append(values);
return sql.ToString();
}
}
}

203
src/Marr.Data/QGen/InsertQueryBuilder.cs
View File

@ -1,203 +0,0 @@
using System;
using System.Collections.Generic;
using Marr.Data.Mapping;
using System.Linq.Expressions;
using Marr.Data.QGen.Dialects;
namespace Marr.Data.QGen
{
public class InsertQueryBuilder<T> : IQueryBuilder
{
private DataMapper _db;
private string _tableName;
private T _entity;
private MappingHelper _mappingHelper;
private ColumnMapCollection _mappings;
private SqlModes _previousSqlMode;
private bool _generateQuery = true;
private bool _getIdentityValue;
private Dialect _dialect;
private ColumnMapCollection _columnsToInsert;
public InsertQueryBuilder()
{
// Used only for unit testing with mock frameworks
}
public InsertQueryBuilder(DataMapper db)
{
_db = db;
_tableName = MapRepository.Instance.GetTableName(typeof(T));
_previousSqlMode = _db.SqlMode;
_mappingHelper = new MappingHelper(_db);
_mappings = MapRepository.Instance.GetColumns(typeof(T));
_dialect = QueryFactory.CreateDialect(_db);
}
public virtual InsertQueryBuilder<T> TableName(string tableName)
{
_tableName = tableName;
return this;
}
public virtual InsertQueryBuilder<T> QueryText(string queryText)
{
_generateQuery = false;
_db.Command.CommandText = queryText;
return this;
}
public virtual InsertQueryBuilder<T> Entity(T entity)
{
_entity = entity;
return this;
}
/// <summary>
/// Runs an identity query to get the value of an autoincrement field.
/// </summary>
/// <returns></returns>
public virtual InsertQueryBuilder<T> GetIdentity()
{
if (!_dialect.HasIdentityQuery)
{
string err = string.Format("The current dialect '{0}' does not have an identity query implemented.", _dialect.ToString());
throw new DataMappingException(err);
}
_getIdentityValue = true;
return this;
}
public virtual InsertQueryBuilder<T> ColumnsIncluding(params Expression<Func<T, object>>[] properties)
{
List<string> columnList = new List<string>();
foreach (var column in properties)
{
columnList.Add(column.GetMemberName());
}
return ColumnsIncluding(columnList.ToArray());
}
public virtual InsertQueryBuilder<T> ColumnsIncluding(params string[] properties)
{
_columnsToInsert = new ColumnMapCollection();
foreach (string propertyName in properties)
{
_columnsToInsert.Add(_mappings.GetByFieldName(propertyName));
}
return this;
}
public virtual InsertQueryBuilder<T> ColumnsExcluding(params Expression<Func<T, object>>[] properties)
{
List<string> columnList = new List<string>();
foreach (var column in properties)
{
columnList.Add(column.GetMemberName());
}
return ColumnsExcluding(columnList.ToArray());
}
public virtual InsertQueryBuilder<T> ColumnsExcluding(params string[] properties)
{
_columnsToInsert = new ColumnMapCollection();
_columnsToInsert.AddRange(_mappings);
foreach (string propertyName in properties)
{
_columnsToInsert.RemoveAll(c => c.FieldName == propertyName);
}
return this;
}
public virtual object Execute()
{
if (_generateQuery)
{
BuildQuery();
}
else
{
TryAppendIdentityQuery();
_mappingHelper.CreateParameters<T>(_entity, _mappings.NonReturnValues, _generateQuery);
}
object scalar = null;
try
{
_db.OpenConnection();
scalar = _db.Command.ExecuteScalar();
if (_getIdentityValue && !_dialect.SupportsBatchQueries)
{
// Run identity query as a separate query
_db.Command.CommandText = _dialect.IdentityQuery;
scalar = _db.Command.ExecuteScalar();
}
_mappingHelper.SetOutputValues<T>(_entity, _mappings.OutputFields);
if (scalar != null)
{
_mappingHelper.SetOutputValues<T>(_entity, _mappings.ReturnValues, scalar);
}
}
finally
{
_db.CloseConnection();
}
if (_generateQuery)
{
// Return to previous sql mode
_db.SqlMode = _previousSqlMode;
}
return scalar;
}
public virtual string BuildQuery()
{
if (_entity == null)
throw new ArgumentNullException("You must specify an entity to insert.");
// Override SqlMode since we know this will be a text query
_db.SqlMode = SqlModes.Text;
var columns = _columnsToInsert ?? _mappings;
_mappingHelper.CreateParameters<T>(_entity, columns, _generateQuery);
IQuery query = QueryFactory.CreateInsertQuery(columns, _db, _tableName);
_db.Command.CommandText = query.Generate();
TryAppendIdentityQuery();
return _db.Command.CommandText;
}
private void TryAppendIdentityQuery()
{
if (_getIdentityValue && _dialect.SupportsBatchQueries)
{
// Append a batched identity query
if (!_db.Command.CommandText.EndsWith(";"))
{
_db.Command.CommandText += ";";
}
_db.Command.CommandText += _dialect.IdentityQuery;
}
}
}
}

36
src/Marr.Data/QGen/JoinBuilder.cs
View File

@ -1,36 +0,0 @@
using System;
using System.Data.Common;
using Marr.Data.QGen.Dialects;
using System.Linq.Expressions;
namespace Marr.Data.QGen
{
/// <summary>
/// This class overrides the WhereBuilder which utilizes the ExpressionVisitor base class,
/// and it is responsible for translating the lambda expression into a "JOIN ON" clause.
/// It populates the protected string builder, which outputs the "JOIN ON" clause when the ToString method is called.
/// </summary>
/// <typeparam name="T">The entity that is on the left side of the join.</typeparam>
/// <typeparam name="T2">The entity that is on the right side of the join.</typeparam>
public class JoinBuilder<T, T2> : WhereBuilder<T>
{
public JoinBuilder(DbCommand command, Dialect dialect, Expression<Func<T, T2, bool>> filter, TableCollection tables)
: base(command, dialect, filter.Body, tables, false, true)
{ }
protected override string PrefixText
{
get
{
return "ON";
}
}
protected override Expression VisitMemberAccess(MemberExpression expression)
{
string fqColumn = GetFullyQualifiedColumnName(expression.Member, expression.Expression.Type);
_sb.Append(fqColumn);
return expression;
}
}
}

232
src/Marr.Data/QGen/PagingQueryDecorator.cs
View File

@ -1,232 +0,0 @@
using System.Collections.Generic;
using System.Text;
namespace Marr.Data.QGen
{
/// <summary>
/// Decorates the SelectQuery by wrapping it in a paging query.
/// </summary>
public class PagingQueryDecorator : IQuery
{
private SelectQuery _innerQuery;
private int _firstRow;
private int _lastRow;
public PagingQueryDecorator(SelectQuery innerQuery, int skip, int take)
{
if (string.IsNullOrEmpty(innerQuery.OrderBy.ToString()))
{
throw new DataMappingException("A paged query must specify an order by clause.");
}
_innerQuery = innerQuery;
_firstRow = skip + 1;
_lastRow = skip + take;
}
public string Generate()
{
// Decide which type of paging query to create
if (_innerQuery.IsView || _innerQuery.IsJoin)
{
return ComplexPaging();
}
return SimplePaging();
}
/// <summary>
/// Generates a query that pages a simple inner query.
/// </summary>
/// <returns></returns>
private string SimplePaging()
{
// Create paged query
StringBuilder sql = new StringBuilder();
sql.AppendLine("WITH RowNumCTE AS");
sql.AppendLine("(");
_innerQuery.BuildSelectClause(sql);
BuildRowNumberColumn(sql);
_innerQuery.BuildFromClause(sql);
_innerQuery.BuildJoinClauses(sql);
_innerQuery.BuildWhereClause(sql);
sql.AppendLine(")");
BuildSimpleOuterSelect(sql);
return sql.ToString();
}
/// <summary>
/// Generates a query that pages a view or joined inner query.
/// </summary>
/// <returns></returns>
private string ComplexPaging()
{
// Create paged query
StringBuilder sql = new StringBuilder();
sql.AppendLine("WITH GroupCTE AS (");
BuildSelectClause(sql);
BuildGroupColumn(sql);
_innerQuery.BuildFromClause(sql);
_innerQuery.BuildJoinClauses(sql);
_innerQuery.BuildWhereClause(sql);
sql.AppendLine("),");
sql.AppendLine("RowNumCTE AS (");
sql.AppendLine("SELECT *");
BuildRowNumberColumn(sql);
sql.AppendLine("FROM GroupCTE");
sql.AppendLine("WHERE GroupRow = 1");
sql.AppendLine(")");
_innerQuery.BuildSelectClause(sql);
_innerQuery.BuildFromClause(sql);
_innerQuery.BuildJoinClauses(sql);
BuildJoinBackToCTE(sql);
sql.AppendFormat("WHERE RowNumber BETWEEN {0} AND {1}", _firstRow, _lastRow);
return sql.ToString();
}
private void BuildJoinBackToCTE(StringBuilder sql)
{
Table baseTable = GetBaseTable();
sql.AppendLine("INNER JOIN RowNumCTE cte");
int pksAdded = 0;
foreach (var pk in baseTable.Columns.PrimaryKeys)
{
if (pksAdded > 0)
sql.Append(" AND ");
string cteQueryPkName = _innerQuery.NameOrAltName(pk.ColumnInfo);
string outerQueryPkName = _innerQuery.IsJoin ? pk.ColumnInfo.Name : _innerQuery.NameOrAltName(pk.ColumnInfo);
sql.AppendFormat("ON cte.{0} = {1} ", cteQueryPkName, _innerQuery.Dialect.CreateToken(string.Concat("t0", ".", outerQueryPkName)));
pksAdded++;
}
sql.AppendLine();
}
private void BuildSimpleOuterSelect(StringBuilder sql)
{
sql.Append("SELECT ");
int startIndex = sql.Length;
// COLUMNS
foreach (Table join in _innerQuery.Tables)
{
for (int i = 0; i < join.Columns.Count; i++)
{
var c = join.Columns[i];
if (sql.Length > startIndex)
sql.Append(",");
string token = _innerQuery.NameOrAltName(c.ColumnInfo);
sql.Append(_innerQuery.Dialect.CreateToken(token));
}
}
sql.AppendLine("FROM RowNumCTE");
sql.AppendFormat("WHERE RowNumber BETWEEN {0} AND {1}", _firstRow, _lastRow).AppendLine();
sql.AppendLine("ORDER BY RowNumber ASC;");
}
private void BuildGroupColumn(StringBuilder sql)
{
bool isView = _innerQuery.IsView;
sql.AppendFormat(", ROW_NUMBER() OVER (PARTITION BY {0} {1}) As GroupRow ", BuildBaseTablePKColumns(isView), _innerQuery.OrderBy.BuildQuery(isView));
}
private string BuildBaseTablePKColumns(bool useAltName = true)
{
Table baseTable = GetBaseTable();
StringBuilder sb = new StringBuilder();
foreach (var col in baseTable.Columns.PrimaryKeys)
{
if (sb.Length > 0)
sb.AppendLine(", ");
string columnName = useAltName ?
_innerQuery.NameOrAltName(col.ColumnInfo) :
col.ColumnInfo.Name;
sb.AppendFormat(_innerQuery.Dialect.CreateToken(string.Concat(baseTable.Alias, ".", columnName)));
}
return sb.ToString();
}
private void BuildRowNumberColumn(StringBuilder sql)
{
string orderBy = _innerQuery.OrderBy.ToString();
// Remove table prefixes from order columns
foreach (Table t in _innerQuery.Tables)
{
orderBy = orderBy.Replace(string.Format("[{0}].", t.Alias), "");
}
sql.AppendFormat(", ROW_NUMBER() OVER ({0}) As RowNumber ", orderBy);
}
private Table GetBaseTable()
{
Table baseTable = null;
if (_innerQuery.Tables[0] is View)
{
baseTable = (_innerQuery.Tables[0] as View).Tables[0];
}
else
{
baseTable = _innerQuery.Tables[0];
}
return baseTable;
}
public void BuildSelectClause(StringBuilder sql)
{
List<string> appended = new List<string>();
sql.Append("SELECT ");
int startIndex = sql.Length;
// COLUMNS
foreach (Table join in _innerQuery.Tables)
{
for (int i = 0; i < join.Columns.Count; i++)
{
var c = join.Columns[i];
if (sql.Length > startIndex && sql[sql.Length - 1] != ',')
sql.Append(",");
if (join is View)
{
string token = _innerQuery.Dialect.CreateToken(string.Concat(join.Alias, ".", _innerQuery.NameOrAltName(c.ColumnInfo)));
if (appended.Contains(token))
continue;
sql.Append(token);
appended.Add(token);
}
else
{
string token = string.Concat(join.Alias, ".", c.ColumnInfo.Name);
if (appended.Contains(token))
continue;
sql.Append(_innerQuery.Dialect.CreateToken(token));
if (_innerQuery.UseAltName && c.ColumnInfo.AltName != null && c.ColumnInfo.AltName != c.ColumnInfo.Name)
{
string altName = c.ColumnInfo.AltName;
sql.AppendFormat(" AS {0}", altName);
}
}
}
}
}
}
}

635
src/Marr.Data/QGen/QueryBuilder.cs
View File

@ -1,635 +0,0 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Reflection;
using Marr.Data.Mapping;
using System.Data.Common;
using System.Collections;
using Marr.Data.QGen.Dialects;
namespace Marr.Data.QGen
{
/// <summary>
/// This class is responsible for building a select query.
/// It uses chaining methods to provide a fluent interface for creating select queries.
/// </summary>
/// <typeparam name="T"></typeparam>
public class QueryBuilder<T> : ExpressionVisitor, IEnumerable<T>, IQueryBuilder
{
#region - Private Members -
private DataMapper _db;
private Dialect _dialect;
private TableCollection _tables;
private WhereBuilder<T> _whereBuilder;
private SortBuilder<T> _sortBuilder;
private bool _isGraph = false;
private bool _isFromView = false;
private bool _isFromTable = false;
private bool _isJoin = false;
private bool _isManualQuery = false;
private bool _enablePaging = false;
private int _skip;
private int _take;
private string _queryText;
private List<MemberInfo> _childrenToLoad;
private SortBuilder<T> SortBuilder
{
get
{
// Lazy load
if (_sortBuilder == null)
{
bool useAltNames = _isFromView || _isGraph || _isJoin;
_sortBuilder = new SortBuilder<T>(this, _db, _whereBuilder, _dialect, _tables, useAltNames);
}
return _sortBuilder;
}
}
private List<T> _results = new List<T>();
private EntityGraph _entityGraph;
private EntityGraph EntGraph
{
get
{
if (_entityGraph == null)
{
_entityGraph = new EntityGraph(typeof(T), _results);
}
return _entityGraph;
}
}
#endregion
#region - Constructor -
public QueryBuilder()
{
// Used only for unit testing with mock frameworks
}
public QueryBuilder(DataMapper db, Dialect dialect)
{
_db = db;
_dialect = dialect;
_tables = new TableCollection();
_tables.Add(new Table(typeof(T)));
_childrenToLoad = new List<MemberInfo>();
}
#endregion
#region - Fluent Methods -
/// <summary>
/// Overrides the base table name that will be used in the query.
/// </summary>
[Obsolete("This method is obsolete. Use either the FromTable or FromView method instead.", true)]
public virtual QueryBuilder<T> From(string tableName)
{
return FromView(tableName);
}
/// <summary>
/// Overrides the base view name that will be used in the query.
/// Will try to use the mapped "AltName" values when loading the columns.
/// </summary>
public virtual QueryBuilder<T> FromView(string viewName)
{
if (string.IsNullOrEmpty(viewName))
throw new ArgumentNullException("view");
_isFromView = true;
// Replace the base table with a view with tables
if (_tables[0] is View)
{
(_tables[0] as View).Name = viewName;
}
else
{
View view = new View(viewName, _tables.ToArray());
_tables.ReplaceBaseTable(view);
}
return this;
}
/// <summary>
/// Overrides the base table name that will be used in the query.
/// Will not try to use the mapped "AltName" values when loading the columns.
/// </summary>
public virtual QueryBuilder<T> FromTable(string table)
{
if (string.IsNullOrEmpty(table))
throw new ArgumentNullException("view");
_isFromTable = true;
// Override the base table name
_tables[0].Name = table;
return this;
}
/// <summary>
/// Allows you to manually specify the query text.
/// </summary>
public virtual QueryBuilder<T> QueryText(string queryText)
{
_isManualQuery = true;
_queryText = queryText;
return this;
}
/// <summary>
/// If no parameters are passed in, this method instructs the DataMapper to load all related entities in the graph.
/// If specific entities are passed in, only these relationships will be loaded.
/// </summary>
/// <param name="childrenToLoad">A list of related child entites to load (passed in as properties / lambda expressions).</param>
public virtual QueryBuilder<T> Graph(params Expression<Func<T, object>>[] childrenToLoad)
{
TableCollection tablesInView = new TableCollection();
if (childrenToLoad.Length > 0)
{
// Add base table
tablesInView.Add(_tables[0]);
foreach (var exp in childrenToLoad)
{
MemberInfo child = (exp.Body as MemberExpression).Member;
var node = EntGraph.Where(g => g.Member != null && g.Member.EqualsMember(child)).FirstOrDefault();
if (node != null)
{
tablesInView.Add(new Table(node.EntityType, JoinType.None));
}
if (!_childrenToLoad.ContainsMember(child))
{
_childrenToLoad.Add(child);
}
}
}
else
{
// Add all tables in the graph
foreach (var node in EntGraph)
{
tablesInView.Add(new Table(node.EntityType, JoinType.None));
}
}
// Replace the base table with a view with tables
View view = new View(_tables[0].Name, tablesInView.ToArray());
_tables.ReplaceBaseTable(view);
_isGraph = true;
return this;
}
public virtual QueryBuilder<T> Page(int pageNumber, int pageSize)
{
_enablePaging = true;
_skip = (pageNumber - 1) * pageSize;
_take = pageSize;
return this;
}
private string[] ParseChildrenToLoad(Expression<Func<T, object>>[] childrenToLoad)
{
List<string> entitiesToLoad = new List<string>();
// Parse relationship member names from expression array
foreach (var exp in childrenToLoad)
{
MemberInfo member = (exp.Body as MemberExpression).Member;
entitiesToLoad.Add(member.Name);
}
return entitiesToLoad.ToArray();
}
/// <summary>
/// Allows you to interact with the DbDataReader to manually load entities.
/// </summary>
/// <param name="readerAction">An action that takes a DbDataReader.</param>
public virtual void DataReader(Action<DbDataReader> readerAction)
{
if (string.IsNullOrEmpty(_queryText))
throw new ArgumentNullException("The query text cannot be blank.");
var mappingHelper = new MappingHelper(_db);
_db.Command.CommandText = _queryText;
try
{
_db.OpenConnection();
using (DbDataReader reader = _db.Command.ExecuteReader())
{
readerAction.Invoke(reader);
}
}
finally
{
_db.CloseConnection();
}
}
public virtual int GetRowCount()
{
SqlModes previousSqlMode = _db.SqlMode;
// Generate a row count query
string where = _whereBuilder != null ? _whereBuilder.ToString() : string.Empty;
bool useAltNames = _isFromView || _isGraph || _isJoin;
IQuery query = QueryFactory.CreateRowCountSelectQuery(_tables, _db, where, SortBuilder, useAltNames);
string queryText = query.Generate();
_db.SqlMode = SqlModes.Text;
int count = Convert.ToInt32(_db.ExecuteScalar(queryText));
_db.SqlMode = previousSqlMode;
return count;
}
/// <summary>
/// Executes the query and returns a list of results.
/// </summary>
/// <returns>A list of query results of type T.</returns>
public virtual List<T> ToList()
{
SqlModes previousSqlMode = _db.SqlMode;
ValidateQuery();
BuildQueryOrAppendClauses();
if (_isGraph || _isJoin)
{
_results = (List<T>)_db.QueryToGraph<T>(_queryText, EntGraph, _childrenToLoad);
}
else
{
_results = (List<T>)_db.Query<T>(_queryText, _results, _isFromView);
}
// Return to previous sql mode
_db.SqlMode = previousSqlMode;
return _results;
}
private void ValidateQuery()
{
if (_isManualQuery && _isFromView)
throw new InvalidOperationException("Cannot use FromView in conjunction with QueryText");
if (_isManualQuery && _isFromTable)
throw new InvalidOperationException("Cannot use FromTable in conjunction with QueryText");
if (_isManualQuery && _isJoin)
throw new InvalidOperationException("Cannot use Join in conjuntion with QueryText");
if (_isManualQuery && _enablePaging)
throw new InvalidOperationException("Cannot use Page, Skip or Take in conjunction with QueryText");
if (_isJoin && _isFromView)
throw new InvalidOperationException("Cannot use FromView in conjunction with Join");
if (_isJoin && _isFromTable)
throw new InvalidOperationException("Cannot use FromView in conjunction with Join");
if (_isJoin && _isGraph)
throw new InvalidOperationException("Cannot use Graph in conjunction with Join");
if (_isFromView && _isFromTable)
throw new InvalidOperationException("Cannot use FromView in conjunction with FromTable");
}
private void BuildQueryOrAppendClauses()
{
if (_queryText == null)
{
// Build entire query
_db.SqlMode = SqlModes.Text;
BuildQuery();
}
else if (_whereBuilder != null || _sortBuilder != null)
{
_db.SqlMode = SqlModes.Text;
if (_whereBuilder != null)
{
// Append a where clause to an existing query
_queryText = string.Concat(_queryText, " ", _whereBuilder.ToString());
}
if (_sortBuilder != null)
{
// Append an order clause to an existing query
_queryText = string.Concat(_queryText, " ", _sortBuilder.ToString());
}
}
}
public virtual string BuildQuery()
{
// Generate a query
string where = _whereBuilder != null ? _whereBuilder.ToString() : string.Empty;
bool useAltNames = _isFromView || _isGraph || _isJoin;
IQuery query = null;
if (_enablePaging)
{
query = QueryFactory.CreatePagingSelectQuery(_tables, _db, where, SortBuilder, useAltNames, _skip, _take);
}
else
{
query = QueryFactory.CreateSelectQuery(_tables, _db, where, SortBuilder, useAltNames);
}
_queryText = query.Generate();
return _queryText;
}
#endregion
#region - Helper Methods -
private ColumnMapCollection GetColumns(IEnumerable<string> entitiesToLoad)
{
// If QueryToGraph<T> and no child load entities are specified, load all children
bool useAltNames = _isFromView || _isGraph || _isJoin;
bool loadAllChildren = useAltNames && entitiesToLoad == null;
// If Query<T>
if (!useAltNames)
{
return MapRepository.Instance.GetColumns(typeof(T));
}
ColumnMapCollection columns = new ColumnMapCollection();
Type baseEntityType = typeof(T);
EntityGraph graph = new EntityGraph(baseEntityType, null);
foreach (var lvl in graph)
{
if (loadAllChildren || lvl.IsRoot || entitiesToLoad.Contains(lvl.Member.Name))
{
columns.AddRange(lvl.Columns);
}
}
return columns;
}
public static implicit operator List<T>(QueryBuilder<T> builder)
{
return builder.ToList();
}
#endregion
#region - Linq Support -
public virtual SortBuilder<T> Where<TObj>(Expression<Func<TObj, bool>> filterExpression)
{
bool useAltNames = _isFromView || _isGraph;
bool addTablePrefixToColumns = true;
_whereBuilder = new WhereBuilder<T>(_db.Command, _dialect, filterExpression, _tables, useAltNames, addTablePrefixToColumns);
return SortBuilder;
}
public virtual SortBuilder<T> Where(Expression<Func<T, bool>> filterExpression)
{
bool useAltNames = _isFromView || _isGraph;
bool addTablePrefixToColumns = true;
_whereBuilder = new WhereBuilder<T>(_db.Command, _dialect, filterExpression, _tables, useAltNames, addTablePrefixToColumns);
return SortBuilder;
}
public virtual SortBuilder<T> Where(string whereClause)
{
if (string.IsNullOrEmpty(whereClause))
throw new ArgumentNullException("whereClause");
if (!whereClause.ToUpper().Contains("WHERE "))
{
whereClause = whereClause.Insert(0, " WHERE ");
}
bool useAltNames = _isFromView || _isGraph || _isJoin;
_whereBuilder = new WhereBuilder<T>(whereClause, useAltNames);
return SortBuilder;
}
public virtual SortBuilder<T> OrderBy(Expression<Func<T, object>> sortExpression)
{
SortBuilder.OrderBy(sortExpression);
return SortBuilder;
}
public virtual SortBuilder<T> OrderBy(Expression<Func<T, object>> sortExpression, SortDirection sortDirection)
{
SortBuilder.OrderBy(sortExpression, sortDirection);
return SortBuilder;
}
public virtual SortBuilder<T> ThenBy(Expression<Func<T, object>> sortExpression)
{
SortBuilder.OrderBy(sortExpression);
return SortBuilder;
}
public virtual SortBuilder<T> ThenBy(Expression<Func<T, object>> sortExpression, SortDirection sortDirection)
{
SortBuilder.OrderBy(sortExpression, sortDirection);
return SortBuilder;
}
public virtual SortBuilder<T> OrderByDescending(Expression<Func<T, object>> sortExpression)
{
SortBuilder.OrderByDescending(sortExpression);
return SortBuilder;
}
public virtual SortBuilder<T> ThenByDescending(Expression<Func<T, object>> sortExpression)
{
SortBuilder.OrderByDescending(sortExpression);
return SortBuilder;
}
public virtual SortBuilder<T> OrderBy(string orderByClause)
{
if (string.IsNullOrEmpty(orderByClause))
throw new ArgumentNullException("orderByClause");
if (!orderByClause.ToUpper().Contains("ORDER BY "))
{
orderByClause = orderByClause.Insert(0, " ORDER BY ");
}
SortBuilder.OrderBy(orderByClause);
return SortBuilder;
}
public virtual QueryBuilder<T> Take(int count)
{
_enablePaging = true;
_take = count;
return this;
}
public virtual QueryBuilder<T> Skip(int count)
{
_enablePaging = true;
_skip = count;
return this;
}
/// <summary>
/// Handles all.
/// </summary>
/// <param name="expression"></param>
/// <returns></returns>
protected override Expression Visit(Expression expression)
{
return base.Visit(expression);
}
/// <summary>
/// Handles Where.
/// </summary>
/// <param name="lambdaExpression"></param>
/// <returns></returns>
protected override Expression VisitLamda(LambdaExpression lambdaExpression)
{
_sortBuilder = Where(lambdaExpression as Expression<Func<T, bool>>);
return base.VisitLamda(lambdaExpression);
}
/// <summary>
/// Handles OrderBy.
/// </summary>
/// <param name="expression"></param>
/// <returns></returns>
protected override Expression VisitMethodCall(MethodCallExpression expression)
{
if (expression.Method.Name == "OrderBy" || expression.Method.Name == "ThenBy")
{
var memberExp = ((expression.Arguments[1] as UnaryExpression).Operand as LambdaExpression).Body as MemberExpression;
_sortBuilder.Order(memberExp.Expression.Type, memberExp.Member.Name);
}
if (expression.Method.Name == "OrderByDescending" || expression.Method.Name == "ThenByDescending")
{
var memberExp = ((expression.Arguments[1] as UnaryExpression).Operand as LambdaExpression).Body as MemberExpression;
_sortBuilder.OrderByDescending(memberExp.Expression.Type, memberExp.Member.Name);
}
return base.VisitMethodCall(expression);
}
public virtual QueryBuilder<T> Join<TLeft, TRight>(JoinType joinType, Expression<Func<TLeft, IEnumerable<TRight>>> rightEntity, Expression<Func<TLeft, TRight, bool>> filterExpression)
{
_isJoin = true;
MemberInfo rightMember = (rightEntity.Body as MemberExpression).Member;
return Join(joinType, rightMember, filterExpression);
}
public virtual QueryBuilder<T> Join<TLeft, TRight>(JoinType joinType, Expression<Func<TLeft, TRight>> rightEntity, Expression<Func<TLeft, TRight, bool>> filterExpression)
{
_isJoin = true;
MemberInfo rightMember = (rightEntity.Body as MemberExpression).Member;
return Join(joinType, rightMember, filterExpression);
}
public virtual QueryBuilder<T> Join<TLeft, TRight>(JoinType joinType, Expression<Func<TLeft, LazyLoaded<TRight>>> rightEntity, Expression<Func<TLeft, TRight, bool>> filterExpression)
{
_isJoin = true;
MemberInfo rightMember = (rightEntity.Body as MemberExpression).Member;
foreach (var item in EntGraph)
{
if (item.EntityType == typeof(TLeft))
{
var relationship = item.Relationships.Single(v => v.Member == rightMember);
item.AddLazyRelationship(relationship);
}
}
return Join(joinType, rightMember, filterExpression);
}
public virtual QueryBuilder<T> Join<TLeft, TRight>(JoinType joinType, MemberInfo rightMember, Expression<Func<TLeft, TRight, bool>> filterExpression)
{
_isJoin = true;
if (!_childrenToLoad.ContainsMember(rightMember))
_childrenToLoad.Add(rightMember);
Table table = new Table(typeof(TRight), joinType);
_tables.Add(table);
var builder = new JoinBuilder<TLeft, TRight>(_db.Command, _dialect, filterExpression, _tables);
table.JoinClause = builder.ToString();
return this;
}
public virtual bool Any(Expression<Func<T, bool>> filterExpression)
{
bool useAltNames = _isFromView || _isGraph;
bool addTablePrefixToColumns = true;
_whereBuilder = new WhereBuilder<T>(_db.Command, _dialect, filterExpression, _tables, useAltNames, addTablePrefixToColumns);
return Any();
}
public virtual bool Any()
{
SqlModes previousSqlMode = _db.SqlMode;
// Generate a row count query
string where = _whereBuilder != null ? _whereBuilder.ToString() : string.Empty;
bool useAltNames = _isFromView || _isGraph || _isJoin;
IQuery query = QueryFactory.CreateRowCountSelectQuery(_tables, _db, where, SortBuilder, useAltNames);
string queryText = query.Generate();
_db.SqlMode = SqlModes.Text;
int count = Convert.ToInt32(_db.ExecuteScalar(queryText));
_db.SqlMode = previousSqlMode;
return count > 0;
}
#endregion
#region IEnumerable<T> Members
IEnumerator<T> IEnumerable<T>.GetEnumerator()
{
var list = ToList();
return list.GetEnumerator();
}
#endregion
#region IEnumerable Members
IEnumerator IEnumerable.GetEnumerator()
{
var list = ToList();
return list.GetEnumerator();
}
#endregion
}
}

80
src/Marr.Data/QGen/QueryFactory.cs
View File

@ -1,80 +0,0 @@
using System;
using Marr.Data.Mapping;
using Marr.Data.QGen.Dialects;
namespace Marr.Data.QGen
{
/// <summary>
/// This class contains the factory logic that determines which type of IQuery object should be created.
/// </summary>
internal class QueryFactory
{
private const string DB_SQLiteClient = "System.Data.SQLite.SQLiteFactory";
public static IQuery CreateUpdateQuery(ColumnMapCollection columns, IDataMapper dataMapper, string target, string whereClause)
{
Dialect dialect = CreateDialect(dataMapper);
return new UpdateQuery(dialect, columns, dataMapper.Command, target, whereClause);
}
public static IQuery CreateInsertQuery(ColumnMapCollection columns, IDataMapper dataMapper, string target)
{
Dialect dialect = CreateDialect(dataMapper);
return new InsertQuery(dialect, columns, dataMapper.Command, target);
}
public static IQuery CreateDeleteQuery(Dialect dialect, Table targetTable, string whereClause)
{
return new DeleteQuery(dialect, targetTable, whereClause);
}
public static IQuery CreateSelectQuery(TableCollection tables, IDataMapper dataMapper, string where, ISortQueryBuilder orderBy, bool useAltName)
{
Dialect dialect = CreateDialect(dataMapper);
return new SelectQuery(dialect, tables, where, orderBy, useAltName);
}
public static IQuery CreateRowCountSelectQuery(TableCollection tables, IDataMapper dataMapper, string where, ISortQueryBuilder orderBy, bool useAltName)
{
SelectQuery innerQuery = (SelectQuery)CreateSelectQuery(tables, dataMapper, where, orderBy, useAltName);
string providerString = dataMapper.ProviderFactory.ToString();
switch (providerString)
{
case DB_SQLiteClient:
return new SqliteRowCountQueryDecorator(innerQuery);
default:
throw new NotImplementedException("Row count has not yet been implemented for this provider.");
}
}
public static IQuery CreatePagingSelectQuery(TableCollection tables, IDataMapper dataMapper, string where, ISortQueryBuilder orderBy, bool useAltName, int skip, int take)
{
SelectQuery innerQuery = (SelectQuery)CreateSelectQuery(tables, dataMapper, where, orderBy, useAltName);
string providerString = dataMapper.ProviderFactory.ToString();
switch (providerString)
{
case DB_SQLiteClient:
return new SqlitePagingQueryDecorator(innerQuery, skip, take);
default:
throw new NotImplementedException("Paging has not yet been implemented for this provider.");
}
}
public static Dialect CreateDialect(IDataMapper dataMapper)
{
string providerString = dataMapper.ProviderFactory.ToString();
switch (providerString)
{
case DB_SQLiteClient:
return new SqliteDialect();
default:
return new Dialect();
}
}
}
}

19
src/Marr.Data/QGen/QueryQueueItem.cs
View File

@ -1,19 +0,0 @@
//using System;
//using System.Collections.Generic;
//using System.Linq;
//using System.Text;
//namespace Marr.Data.QGen
//{
// public class QueryQueueItem
// {
// public QueryQueueItem(string queryText, IEnumerable<string> entitiesToLoad)
// {
// QueryText = queryText;
// EntitiesToLoad = entitiesToLoad;
// }
// public string QueryText { get; set; }
// public IEnumerable<string> EntitiesToLoad { get; private set; }
// }
//}

121
src/Marr.Data/QGen/RowCountQueryDecorator.cs
View File

@ -1,121 +0,0 @@
using System.Text;
namespace Marr.Data.QGen
{
public class RowCountQueryDecorator : IQuery
{
private SelectQuery _innerQuery;
public RowCountQueryDecorator(SelectQuery innerQuery)
{
_innerQuery = innerQuery;
}
public string Generate()
{
// Decide which type of paging query to create
if (_innerQuery.IsView || _innerQuery.IsJoin)
{
return ComplexRowCount();
}
return SimpleRowCount();
}
/// <summary>
/// Generates a row count query for a multiple table joined query (groups by the parent entity).
/// </summary>
/// <returns></returns>
private string ComplexRowCount()
{
// Create paged query
StringBuilder sql = new StringBuilder();
sql.AppendLine("WITH GroupCTE AS (");
sql.Append("SELECT ").AppendLine(BuildBaseTablePKColumns());
BuildGroupColumn(sql);
_innerQuery.BuildFromClause(sql);
_innerQuery.BuildJoinClauses(sql);
_innerQuery.BuildWhereClause(sql);
sql.AppendLine(")");
BuildSelectCountClause(sql);
sql.AppendLine("FROM GroupCTE");
sql.AppendLine("WHERE GroupRow = 1");
return sql.ToString();
}
/// <summary>
/// Generates a row count query for a single table query (no joins).
/// </summary>
/// <returns></returns>
private string SimpleRowCount()
{
StringBuilder sql = new StringBuilder();
BuildSelectCountClause(sql);
_innerQuery.BuildFromClause(sql);
_innerQuery.BuildJoinClauses(sql);
_innerQuery.BuildWhereClause(sql);
return sql.ToString();
}
private void BuildGroupColumn(StringBuilder sql)
{
string baseTablePKColumns = BuildBaseTablePKColumns();
sql.AppendFormat(", ROW_NUMBER() OVER (PARTITION BY {0} ORDER BY {1}) As GroupRow ", baseTablePKColumns, baseTablePKColumns);
}
private string BuildBaseTablePKColumns()
{
Table baseTable = GetBaseTable();
StringBuilder sb = new StringBuilder();
foreach (var col in baseTable.Columns.PrimaryKeys)
{
if (sb.Length > 0)
sb.AppendLine(", ");
string colName = _innerQuery.IsView ?
_innerQuery.NameOrAltName(col.ColumnInfo) :
col.ColumnInfo.Name;
sb.AppendFormat(_innerQuery.Dialect.CreateToken(string.Concat(baseTable.Alias, ".", colName)));
}
return sb.ToString();
}
private void BuildSelectCountClause(StringBuilder sql)
{
sql.AppendLine("SELECT COUNT(*)");
}
private Table GetBaseTable()
{
Table baseTable = null;
if (_innerQuery.Tables[0] is View)
{
baseTable = (_innerQuery.Tables[0] as View).Tables[0];
}
else
{
baseTable = _innerQuery.Tables[0];
}
return baseTable;
}
}
}
/*
WITH GroupCTE AS
(
SELECT [t0].[ID],[t0].[OrderName],[t1].[ID] AS OrderItemID,[t1].[OrderID],[t1].[ItemDescription],[t1].[Price],
ROW_NUMBER() OVER (PARTITION BY [t0].[ID] ORDER BY [t0].[OrderName]) As GroupRow
FROM [Order] [t0]
LEFT JOIN [OrderItem] [t1] ON (([t0].[ID] = [t1].[OrderID]))
--WHERE (([t0].[OrderName] = @P0))
)
SELECT * FROM GroupCTE
WHERE GroupRow = 1
*/

149
src/Marr.Data/QGen/SelectQuery.cs
View File

@ -1,149 +0,0 @@
using System.Text;
using Marr.Data.Mapping;
using Marr.Data.QGen.Dialects;
namespace Marr.Data.QGen
{
/// <summary>
/// This class is responsible for creating a select query.
/// </summary>
public class SelectQuery : IQuery
{
public Dialect Dialect { get; set; }
public string WhereClause { get; set; }
public ISortQueryBuilder OrderBy { get; set; }
public TableCollection Tables { get; set; }
public bool UseAltName;
public SelectQuery(Dialect dialect, TableCollection tables, string whereClause, ISortQueryBuilder orderBy, bool useAltName)
{
Dialect = dialect;
Tables = tables;
WhereClause = whereClause;
OrderBy = orderBy;
UseAltName = useAltName;
}
public bool IsView
{
get
{
return Tables[0] is View;
}
}
public bool IsJoin
{
get
{
return Tables.Count > 1;
}
}
public virtual string Generate()
{
StringBuilder sql = new StringBuilder();
BuildSelectClause(sql);
BuildFromClause(sql);
BuildJoinClauses(sql);
BuildWhereClause(sql);
BuildOrderClause(sql);
return sql.ToString();
}
public void BuildSelectClause(StringBuilder sql)
{
sql.Append("SELECT ");
int startIndex = sql.Length;
// COLUMNS
foreach (Table join in Tables)
{
for (int i = 0; i < join.Columns.Count; i++)
{
var c = join.Columns[i];
if (sql.Length > startIndex)
sql.Append(",");
if (join is View)
{
string token = string.Concat(join.Alias, ".", NameOrAltName(c.ColumnInfo));
sql.Append(Dialect.CreateToken(token));
}
else
{
string token = string.Concat(join.Alias, ".", c.ColumnInfo.Name);
sql.Append(Dialect.CreateToken(token));
if (UseAltName && c.ColumnInfo.AltName != null && c.ColumnInfo.AltName != c.ColumnInfo.Name)
{
string altName = c.ColumnInfo.AltName;
sql.AppendFormat(" AS {0}", altName);
}
}
}
}
}
public string NameOrAltName(IColumnInfo columnInfo)
{
if (UseAltName && columnInfo.AltName != null && columnInfo.AltName != columnInfo.Name)
{
return columnInfo.AltName;
}
return columnInfo.Name;
}
public void BuildFromClause(StringBuilder sql)
{
// BASE TABLE
Table baseTable = Tables[0];
sql.AppendFormat(" FROM {0} {1} ", Dialect.CreateToken(baseTable.Name), Dialect.CreateToken(baseTable.Alias));
}
public void BuildJoinClauses(StringBuilder sql)
{
// JOINS
for (int i = 1; i < Tables.Count; i++)
{
if (Tables[i].JoinType != JoinType.None)
{
sql.AppendFormat("{0} {1} {2} {3} ",
TranslateJoin(Tables[i].JoinType),
Dialect.CreateToken(Tables[i].Name),
Dialect.CreateToken(Tables[i].Alias),
Tables[i].JoinClause);
}
}
}
public void BuildWhereClause(StringBuilder sql)
{
sql.Append(WhereClause);
}
public void BuildOrderClause(StringBuilder sql)
{
sql.Append(OrderBy.ToString());
}
private string TranslateJoin(JoinType join)
{
switch (join)
{
case JoinType.Inner:
return "INNER JOIN";
case JoinType.Left:
return "LEFT JOIN";
case JoinType.Right:
return "RIGHT JOIN";
default:
return string.Empty;
}
}
}
}

262
src/Marr.Data/QGen/SortBuilder.cs
View File

@ -1,262 +0,0 @@
using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;
using System.Linq.Expressions;
using Marr.Data.QGen.Dialects;
namespace Marr.Data.QGen
{
/// <summary>
/// This class is responsible for creating an "ORDER BY" clause.
/// It uses chaining methods to provide a fluent interface.
/// It also has some methods that coincide with Linq methods, to provide Linq compatibility.
/// </summary>
/// <typeparam name="T"></typeparam>
public class SortBuilder<T> : IEnumerable<T>, ISortQueryBuilder
{
private string _constantOrderByClause;
private QueryBuilder<T> _baseBuilder;
private Dialect _dialect;
private List<SortColumn<T>> _sortExpressions;
private bool _useAltName;
private TableCollection _tables;
private IDataMapper _db;
private WhereBuilder<T> _whereBuilder;
public SortBuilder()
{
// Used only for unit testing with mock frameworks
}
public SortBuilder(QueryBuilder<T> baseBuilder, IDataMapper db, WhereBuilder<T> whereBuilder, Dialect dialect, TableCollection tables, bool useAltName)
{
_baseBuilder = baseBuilder;
_db = db;
_whereBuilder = whereBuilder;
_dialect = dialect;
_sortExpressions = new List<SortColumn<T>>();
_useAltName = useAltName;
_tables = tables;
}
#region - AndWhere / OrWhere -
public virtual SortBuilder<T> OrWhere(Expression<Func<T, bool>> filterExpression)
{
var orWhere = new WhereBuilder<T>(_db.Command, _dialect, filterExpression, _tables, false, true);
_whereBuilder.Append(orWhere, WhereAppendType.OR);
return this;
}
public virtual SortBuilder<T> OrWhere(string whereClause)
{
var orWhere = new WhereBuilder<T>(whereClause, false);
_whereBuilder.Append(orWhere, WhereAppendType.OR);
return this;
}
public virtual SortBuilder<T> AndWhere(Expression<Func<T, bool>> filterExpression)
{
var andWhere = new WhereBuilder<T>(_db.Command, _dialect, filterExpression, _tables, false, true);
_whereBuilder.Append(andWhere, WhereAppendType.AND);
return this;
}
public virtual SortBuilder<T> AndWhere(string whereClause)
{
var andWhere = new WhereBuilder<T>(whereClause, false);
_whereBuilder.Append(andWhere, WhereAppendType.AND);
return this;
}
#endregion
#region - Order -
internal SortBuilder<T> Order(Type declaringType, string propertyName)
{
_sortExpressions.Add(new SortColumn<T>(declaringType, propertyName, SortDirection.Asc));
return this;
}
internal SortBuilder<T> OrderByDescending(Type declaringType, string propertyName)
{
_sortExpressions.Add(new SortColumn<T>(declaringType, propertyName, SortDirection.Desc));
return this;
}
public virtual SortBuilder<T> OrderBy(string orderByClause)
{
if (string.IsNullOrEmpty(orderByClause))
throw new ArgumentNullException("orderByClause");
if (!orderByClause.ToUpper().Contains("ORDER BY "))
{
orderByClause = orderByClause.Insert(0, " ORDER BY ");
}
_constantOrderByClause = orderByClause;
return this;
}
public virtual SortBuilder<T> OrderBy(Expression<Func<T, object>> sortExpression)
{
_sortExpressions.Add(new SortColumn<T>(sortExpression, SortDirection.Asc));
return this;
}
public virtual SortBuilder<T> OrderBy(Expression<Func<T, object>> sortExpression, SortDirection sortDirection)
{
_sortExpressions.Add(new SortColumn<T>(sortExpression, sortDirection));
return this;
}
public virtual SortBuilder<T> OrderByDescending(Expression<Func<T, object>> sortExpression)
{
_sortExpressions.Add(new SortColumn<T>(sortExpression, SortDirection.Desc));
return this;
}
public virtual SortBuilder<T> ThenBy(Expression<Func<T, object>> sortExpression)
{
_sortExpressions.Add(new SortColumn<T>(sortExpression, SortDirection.Asc));
return this;
}
public virtual SortBuilder<T> ThenBy(Expression<Func<T, object>> sortExpression, SortDirection sortDirection)
{
_sortExpressions.Add(new SortColumn<T>(sortExpression, sortDirection));
return this;
}
public virtual SortBuilder<T> ThenByDescending(Expression<Func<T, object>> sortExpression)
{
_sortExpressions.Add(new SortColumn<T>(sortExpression, SortDirection.Desc));
return this;
}
#endregion
#region - Paging -
public virtual SortBuilder<T> Take(int count)
{
_baseBuilder.Take(count);
return this;
}
public virtual SortBuilder<T> Skip(int count)
{
_baseBuilder.Skip(count);
return this;
}
public virtual SortBuilder<T> Page(int pageNumber, int pageSize)
{
_baseBuilder.Page(pageNumber, pageSize);
return this;
}
#endregion
#region - GetRowCount -
public virtual int GetRowCount()
{
return _baseBuilder.GetRowCount();
}
#endregion
#region - ToList / ToString / BuildQuery -
public virtual List<T> ToList()
{
return _baseBuilder.ToList();
}
public virtual string BuildQuery()
{
return _baseBuilder.BuildQuery();
}
public virtual string BuildQuery(bool useAltName)
{
if (!string.IsNullOrEmpty(_constantOrderByClause))
{
return _constantOrderByClause;
}
StringBuilder sb = new StringBuilder();
foreach (var sort in _sortExpressions)
{
if (sb.Length > 0)
sb.Append(",");
Table table = _tables.FindTable(sort.DeclaringType);
if (table == null)
{
string msg = string.Format("The property '{0} -> {1}' you are trying to reference in the 'ORDER BY' statement belongs to an entity that has not been joined in your query. To reference this property, you must join the '{0}' entity using the Join method.",
sort.DeclaringType.Name,
sort.PropertyName);
throw new DataMappingException(msg);
}
string columnName = DataHelper.GetColumnName(sort.DeclaringType, sort.PropertyName, useAltName);
if (!useAltName)
sb.Append(_dialect.CreateToken(string.Format("{0}.{1}", table.Alias, columnName)));
else
sb.Append(_dialect.CreateToken(string.Format("{0}", columnName)));
if (sort.Direction == SortDirection.Desc)
sb.Append(" DESC");
}
if (sb.Length > 0)
sb.Insert(0, " ORDER BY ");
return sb.ToString();
}
public override string ToString()
{
return BuildQuery(_useAltName);
}
#endregion
#region - Implicit List<T> Operator -
public static implicit operator List<T>(SortBuilder<T> builder)
{
return builder.ToList();
}
#endregion
#region IEnumerable<T> Members
public virtual IEnumerator<T> GetEnumerator()
{
var list = ToList();
return list.GetEnumerator();
}
#endregion
#region IEnumerable Members
IEnumerator IEnumerable.GetEnumerator()
{
throw new NotImplementedException();
}
#endregion
}
}

46
src/Marr.Data/QGen/SortColumn.cs
View File

@ -1,46 +0,0 @@
using System;
using System.Linq.Expressions;
namespace Marr.Data.QGen
{
public class SortColumn<T>
{
public SortColumn(Expression<Func<T, object>> sortExpression, SortDirection direction)
{
MemberExpression me = GetMemberExpression(sortExpression.Body);
DeclaringType = me.Expression.Type;
PropertyName = me.Member.Name;
Direction = direction;
}
public SortColumn(Type declaringType, string propertyName, SortDirection direction)
{
DeclaringType = declaringType;
PropertyName = propertyName;
Direction = direction;
}
public SortDirection Direction { get; private set; }
public Type DeclaringType { get; private set; }
public string PropertyName { get; private set; }
private MemberExpression GetMemberExpression(Expression exp)
{
MemberExpression me = exp as MemberExpression;
if (me == null)
{
var ue = exp as UnaryExpression;
me = ue.Operand as MemberExpression;
}
return me;
}
}
public enum SortDirection
{
Asc,
Desc
}
}

156
src/Marr.Data/QGen/SqlitePagingQueryDecorator.cs
View File

@ -1,156 +0,0 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Marr.Data.QGen
{
/// <summary>
/// Decorates the SelectQuery by wrapping it in a paging query.
/// </summary>
public class SqlitePagingQueryDecorator : IQuery
{
private SelectQuery _innerQuery;
private int _skip;
private int _take;
public SqlitePagingQueryDecorator(SelectQuery innerQuery, int skip, int take)
{
if (string.IsNullOrEmpty(innerQuery.OrderBy.ToString()))
{
throw new DataMappingException("A paged query must specify an order by clause.");
}
_innerQuery = innerQuery;
_skip = skip;
_take = take;
}
public string Generate()
{
if (_innerQuery.IsView || _innerQuery.IsJoin)
{
return ComplexPaging();
}
return SimplePaging();
}
private string SimplePaging()
{
// Create paged query
StringBuilder sql = new StringBuilder();
_innerQuery.BuildSelectClause(sql);
_innerQuery.BuildFromClause(sql);
_innerQuery.BuildJoinClauses(sql);
_innerQuery.BuildWhereClause(sql);
_innerQuery.BuildOrderClause(sql);
sql.AppendLine(String.Format(" LIMIT {0},{1}", _skip, _take));
return sql.ToString();
}
private string ComplexPaging()
{
var baseTable = _innerQuery.Tables.First();
StringBuilder sql = new StringBuilder();
_innerQuery.BuildSelectClause(sql);
sql.Append(" FROM (");
BuildSimpleInnerSelect(sql);
_innerQuery.BuildFromClause(sql);
_innerQuery.BuildJoinClauses(sql);
_innerQuery.BuildWhereClause(sql);
BuildGroupBy(sql);
BuildOrderBy(sql);
sql.AppendFormat(" LIMIT {0},{1}", _skip, _take);
sql.AppendFormat(") AS {0} ", _innerQuery.Dialect.CreateToken(baseTable.Alias));
_innerQuery.BuildJoinClauses(sql);
return sql.ToString();
}
public void BuildSelectClause(StringBuilder sql)
{
List<string> appended = new List<string>();
sql.Append("SELECT ");
int startIndex = sql.Length;
// COLUMNS
foreach (Table join in _innerQuery.Tables)
{
for (int i = 0; i < join.Columns.Count; i++)
{
var c = join.Columns[i];
if (sql.Length > startIndex && sql[sql.Length - 1] != ',')
sql.Append(",");
if (join is View)
{
string token = _innerQuery.Dialect.CreateToken(string.Concat(join.Alias, ".", _innerQuery.NameOrAltName(c.ColumnInfo)));
if (appended.Contains(token))
continue;
sql.Append(token);
appended.Add(token);
}
else
{
string token = string.Concat(join.Alias, ".", c.ColumnInfo.Name);
if (appended.Contains(token))
continue;
sql.Append(_innerQuery.Dialect.CreateToken(token));
if (_innerQuery.UseAltName && c.ColumnInfo.AltName != null && c.ColumnInfo.AltName != c.ColumnInfo.Name)
{
string altName = c.ColumnInfo.AltName;
sql.AppendFormat(" AS {0}", altName);
}
}
}
}
}
private void BuildSimpleInnerSelect(StringBuilder sql)
{
sql.Append("SELECT ");
int startIndex = sql.Length;
// COLUMNS
var join = _innerQuery.Tables.First();
for (int i = 0; i < join.Columns.Count; i++)
{
var c = join.Columns[i];
if (sql.Length > startIndex)
sql.Append(",");
string token = string.Concat(join.Alias, ".", c.ColumnInfo.Name);
sql.Append(_innerQuery.Dialect.CreateToken(token));
}
}
private void BuildOrderBy(StringBuilder sql)
{
sql.Append(_innerQuery.OrderBy.BuildQuery(false));
}
private void BuildGroupBy(StringBuilder sql)
{
var baseTable = _innerQuery.Tables.First();
var primaryKeyColumn = baseTable.Columns.Single(c => c.ColumnInfo.IsPrimaryKey);
string token = _innerQuery.Dialect.CreateToken(string.Concat(baseTable.Alias, ".", primaryKeyColumn.ColumnInfo.Name));
sql.AppendFormat(" GROUP BY {0}", token);
}
}
}

31
src/Marr.Data/QGen/SqliteRowCountQueryDecorator.cs
View File

@ -1,31 +0,0 @@
using System.Text;
namespace Marr.Data.QGen
{
public class SqliteRowCountQueryDecorator : IQuery
{
private SelectQuery _innerQuery;
public SqliteRowCountQueryDecorator(SelectQuery innerQuery)
{
_innerQuery = innerQuery;
}
public string Generate()
{
StringBuilder sql = new StringBuilder();
BuildSelectCountClause(sql);
_innerQuery.BuildFromClause(sql);
_innerQuery.BuildJoinClauses(sql);
_innerQuery.BuildWhereClause(sql);
return sql.ToString();
}
private void BuildSelectCountClause(StringBuilder sql)
{
sql.AppendLine("SELECT COUNT(*)");
}
}
}

47
src/Marr.Data/QGen/Table.cs
View File

@ -1,47 +0,0 @@
using System;
using Marr.Data.Mapping;
namespace Marr.Data.QGen
{
/// <summary>
/// This class represents a table in a query.
/// A table contains corresponding columns.
/// </summary>
public class Table
{
public Table(Type memberType)
: this(memberType, JoinType.None)
{ }
public Table(Type memberType, JoinType joinType)
{
EntityType = memberType;
Name = memberType.GetTableName();
JoinType = joinType;
Columns = MapRepository.Instance.GetColumns(memberType);
}
public bool IsBaseTable
{
get
{
return Alias == "t0";
}
}
public Type EntityType { get; private set; }
public virtual string Name { get; set; }
public JoinType JoinType { get; private set; }
public virtual ColumnMapCollection Columns { get; private set; }
public virtual string Alias { get; set; }
public string JoinClause { get; set; }
}
public enum JoinType
{
None,
Inner,
Left,
Right
}
}

95
src/Marr.Data/QGen/TableCollection.cs
View File

@ -1,95 +0,0 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Collections;
namespace Marr.Data.QGen
{
/// <summary>
/// This class holds a collection of Table objects.
/// </summary>
public class TableCollection : IEnumerable<Table>
{
private List<Table> _tables;
public TableCollection()
{
_tables = new List<Table>();
}
public void Add(Table table)
{
if (this.Any(t => t.EntityType == table.EntityType))
{
// Already exists -- don't add
return;
}
// Create an alias (ex: "t0", "t1", "t2", etc...)
table.Alias = string.Format("t{0}", _tables.Count);
_tables.Add(table);
}
public void ReplaceBaseTable(View view)
{
_tables.RemoveAt(0);
Add(view);
}
/// <summary>
/// Tries to find a table for a given member.
/// </summary>
public Table FindTable(Type declaringType)
{
return EnumerateViewsAndTables().Where(t => t.EntityType == declaringType).FirstOrDefault();
}
public Table this[int index]
{
get
{
return _tables[index];
}
}
public int Count
{
get
{
return _tables.Count;
}
}
/// <summary>
/// Recursively enumerates through all tables, including tables embedded in views.
/// </summary>
/// <returns></returns>
public IEnumerable<Table> EnumerateViewsAndTables()
{
foreach (Table table in _tables)
{
if (table is View)
{
foreach (Table viewTable in (table as View))
{
yield return viewTable;
}
}
else
{
yield return table;
}
}
}
public IEnumerator<Table> GetEnumerator()
{
return _tables.GetEnumerator();
}
IEnumerator IEnumerable.GetEnumerator()
{
return _tables.GetEnumerator();
}
}
}

56
src/Marr.Data/QGen/UpdateQuery.cs
View File

@ -1,56 +0,0 @@
using System.Text;
using System.Data.Common;
using Marr.Data.Mapping;
using Marr.Data.QGen.Dialects;
namespace Marr.Data.QGen
{
public class UpdateQuery : IQuery
{
protected Dialect Dialect { get; set; }
protected string Target { get; set; }
protected ColumnMapCollection Columns { get; set; }
protected DbCommand Command { get; set; }
protected string WhereClause { get; set; }
public UpdateQuery(Dialect dialect, ColumnMapCollection columns, DbCommand command, string target, string whereClause)
{
Dialect = dialect;
Target = target;
Columns = columns;
Command = command;
WhereClause = whereClause;
}
public string Generate()
{
StringBuilder sql = new StringBuilder();
sql.AppendFormat("UPDATE {0} SET ", Dialect.CreateToken(Target));
int startIndex = sql.Length;
foreach (DbParameter p in Command.Parameters)
{
var c = Columns.GetByColumnName(p.ParameterName);
if (c == null)
break; // All SET columns have been added
if (sql.Length > startIndex)
sql.Append(",");
if (!c.ColumnInfo.IsAutoIncrement)
{
sql.AppendFormat("{0}={1}{2}", Dialect.CreateToken(c.ColumnInfo.Name), Command.ParameterPrefix(), p.ParameterName);
}
}
sql.AppendFormat(" {0}", WhereClause);
return sql.ToString();
}
}
}

175
src/Marr.Data/QGen/UpdateQueryBuilder.cs
View File

@ -1,175 +0,0 @@
using System;
using System.Collections.Generic;
using Marr.Data.Mapping;
using System.Linq.Expressions;
using Marr.Data.QGen.Dialects;
namespace Marr.Data.QGen
{
public class UpdateQueryBuilder<T>
{
private DataMapper _db;
private string _tableName;
private T _entity;
private MappingHelper _mappingHelper;
private ColumnMapCollection _mappings;
private SqlModes _previousSqlMode;
private bool _generateQuery = true;
private TableCollection _tables;
private Expression<Func<T, bool>> _filterExpression;
private Dialect _dialect;
private ColumnMapCollection _columnsToUpdate;
public UpdateQueryBuilder()
{
// Used only for unit testing with mock frameworks
}
public UpdateQueryBuilder(DataMapper db)
{
_db = db;
_tableName = MapRepository.Instance.GetTableName(typeof(T));
_tables = new TableCollection();
_tables.Add(new Table(typeof(T)));
_previousSqlMode = _db.SqlMode;
_mappingHelper = new MappingHelper(_db);
_mappings = MapRepository.Instance.GetColumns(typeof(T));
_dialect = QueryFactory.CreateDialect(_db);
}
public virtual UpdateQueryBuilder<T> TableName(string tableName)
{
_tableName = tableName;
return this;
}
public virtual UpdateQueryBuilder<T> QueryText(string queryText)
{
_generateQuery = false;
_db.Command.CommandText = queryText;
return this;
}
public virtual UpdateQueryBuilder<T> Entity(T entity)
{
_entity = entity;
return this;
}
public virtual UpdateQueryBuilder<T> Where(Expression<Func<T, bool>> filterExpression)
{
_filterExpression = filterExpression;
return this;
}
public virtual UpdateQueryBuilder<T> ColumnsIncluding(params Expression<Func<T, object>>[] properties)
{
List<string> columnList = new List<string>();
foreach (var column in properties)
{
columnList.Add(column.GetMemberName());
}
return ColumnsIncluding(columnList.ToArray());
}
public virtual UpdateQueryBuilder<T> ColumnsIncluding(params string[] properties)
{
_columnsToUpdate = new ColumnMapCollection();
foreach (string propertyName in properties)
{
_columnsToUpdate.Add(_mappings.GetByFieldName(propertyName));
}
return this;
}
public virtual UpdateQueryBuilder<T> ColumnsExcluding(params Expression<Func<T, object>>[] properties)
{
List<string> columnList = new List<string>();
foreach (var column in properties)
{
columnList.Add(column.GetMemberName());
}
return ColumnsExcluding(columnList.ToArray());
}
public virtual UpdateQueryBuilder<T> ColumnsExcluding(params string[] properties)
{
_columnsToUpdate = new ColumnMapCollection();
_columnsToUpdate.AddRange(_mappings);
foreach (string propertyName in properties)
{
_columnsToUpdate.RemoveAll(c => c.FieldName == propertyName);
}
return this;
}
public virtual string BuildQuery()
{
if (_entity == null)
throw new ArgumentNullException("You must specify an entity to update.");
// Override SqlMode since we know this will be a text query
_db.SqlMode = SqlModes.Text;
var columnsToUpdate = _columnsToUpdate ?? _mappings;
_mappingHelper.CreateParameters<T>(_entity, columnsToUpdate, _generateQuery);
string where = string.Empty;
if (_filterExpression != null)
{
var whereBuilder = new WhereBuilder<T>(_db.Command, _dialect, _filterExpression, _tables, false, false);
where = whereBuilder.ToString();
}
IQuery query = QueryFactory.CreateUpdateQuery(columnsToUpdate, _db, _tableName, where);
_db.Command.CommandText = query.Generate();
return _db.Command.CommandText;
}
public virtual int Execute()
{
if (_generateQuery)
{
BuildQuery();
}
else
{
_mappingHelper.CreateParameters<T>(_entity, _mappings, _generateQuery);
}
int rowsAffected = 0;
try
{
_db.OpenConnection();
rowsAffected = _db.Command.ExecuteNonQuery();
_mappingHelper.SetOutputValues<T>(_entity, _mappings.OutputFields);
}
finally
{
_db.CloseConnection();
}
if (_generateQuery)
{
// Return to previous sql mode
_db.SqlMode = _previousSqlMode;
}
return rowsAffected;
}
}
}

90
src/Marr.Data/QGen/View.cs
View File

@ -1,90 +0,0 @@
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using Marr.Data.Mapping;
namespace Marr.Data.QGen
{
/// <summary>
/// This class represents a View. A view can hold multiple tables (and their columns).
/// </summary>
public class View : Table, IEnumerable<Table>
{
private string _viewName;
private Table[] _tables;
private ColumnMapCollection _columns;
public View(string viewName, Table[] tables)
: base(tables[0].EntityType, JoinType.None)
{
_viewName = viewName;
_tables = tables;
}
public Table[] Tables
{
get { return _tables; }
}
public override string Name
{
get
{
return _viewName;
}
set
{
_viewName = value;
}
}
public override string Alias
{
get
{
return base.Alias;
}
set
{
base.Alias = value;
// Sync view tables
foreach (Table table in _tables)
{
table.Alias = value;
}
}
}
/// <summary>
/// Gets all the columns from all the tables included in the view.
/// </summary>
public override ColumnMapCollection Columns
{
get
{
if (_columns == null)
{
var allColumns = _tables.SelectMany(t => t.Columns);
_columns = new ColumnMapCollection();
_columns.AddRange(allColumns);
}
return _columns;
}
}
public IEnumerator<Table> GetEnumerator()
{
foreach (Table table in _tables)
{
yield return table;
}
}
IEnumerator IEnumerable.GetEnumerator()
{
return GetEnumerator();
}
}
}

293
src/Marr.Data/QGen/WhereBuilder.cs
View File

@ -1,293 +0,0 @@
using System;
using System.Text;
using System.Linq.Expressions;
using System.Data.Common;
using Marr.Data.Parameters;
using System.Reflection;
using Marr.Data.QGen.Dialects;
namespace Marr.Data.QGen
{
/// <summary>
/// This class utilizes the ExpressionVisitor base class, and it is responsible for creating the "WHERE" clause.
/// It builds a protected StringBuilder class whose output is created when the ToString method is called.
/// It also has some methods that coincide with Linq methods, to provide Linq compatibility.
/// </summary>
/// <typeparam name="T"></typeparam>
public class WhereBuilder<T> : ExpressionVisitor
{
private string _constantWhereClause;
private MapRepository _repos;
private DbCommand _command;
private string _paramPrefix;
private bool _isLeftSide = true;
protected bool _useAltName;
protected Dialect _dialect;
protected StringBuilder _sb;
protected TableCollection _tables;
protected bool _tablePrefix;
public WhereBuilder(string whereClause, bool useAltName)
{
_constantWhereClause = whereClause;
_useAltName = useAltName;
}
public WhereBuilder(DbCommand command, Dialect dialect, Expression filter, TableCollection tables, bool useAltName, bool tablePrefix)
{
_repos = MapRepository.Instance;
_command = command;
_dialect = dialect;
_paramPrefix = command.ParameterPrefix();
_sb = new StringBuilder();
_useAltName = useAltName;
_tables = tables;
_tablePrefix = tablePrefix;
if (filter != null)
{
_sb.AppendFormat("{0} ", PrefixText);
base.Visit(filter);
}
}
protected virtual string PrefixText
{
get
{
return "WHERE";
}
}
protected override Expression VisitBinary(BinaryExpression expression)
{
_sb.Append("(");
_isLeftSide = true;
Visit(expression.Left);
_sb.AppendFormat(" {0} ", Decode(expression));
_isLeftSide = false;
Visit(expression.Right);
_sb.Append(")");
return expression;
}
protected override Expression VisitMethodCall(MethodCallExpression expression)
{
string method = (expression as MethodCallExpression).Method.Name;
switch (method)
{
case "Contains":
Write_Contains(expression);
break;
case "StartsWith":
Write_StartsWith(expression);
break;
case "EndsWith":
Write_EndsWith(expression);
break;
default:
string msg = string.Format("'{0}' expressions are not yet implemented in the where clause expression tree parser.", method);
throw new NotImplementedException(msg);
}
return expression;
}
protected override Expression VisitMemberAccess(MemberExpression expression)
{
if (_isLeftSide)
{
string fqColumn = GetFullyQualifiedColumnName(expression.Member, expression.Expression.Type);
_sb.Append(fqColumn);
}
else
{
// Add parameter to Command.Parameters
string paramName = string.Concat(_paramPrefix, "P", _command.Parameters.Count.ToString());
_sb.Append(paramName);
object value = GetRightValue(expression);
new ParameterChainMethods(_command, paramName, value);
}
return expression;
}
protected override Expression VisitConstant(ConstantExpression expression)
{
if (expression.Value != null)
{
// Add parameter to Command.Parameters
string paramName = string.Concat(_paramPrefix, "P", _command.Parameters.Count.ToString());
_sb.Append(paramName);
var parameter = new ParameterChainMethods(_command, paramName, expression.Value).Parameter;
}
else
{
_sb.Append("NULL");
}
return expression;
}
private object GetRightValue(Expression rightExpression)
{
object rightValue = null;
var right = rightExpression as ConstantExpression;
if (right == null) // Value is not directly passed in as a constant
{
var rightMemberExp = (rightExpression as MemberExpression);
if (rightMemberExp.Expression is MemberExpression parentMemberExpression) // Value is passed in as a property on a parent entity
{
string entityName = (rightMemberExp.Expression as MemberExpression).Member.Name;
var container = ((rightMemberExp.Expression as MemberExpression).Expression as ConstantExpression).Value;
var entity = _repos.ReflectionStrategy.GetFieldValue(container, entityName);
rightValue = _repos.ReflectionStrategy.GetFieldValue(entity, rightMemberExp.Member.Name);
}
else // Value is passed in as a variable
{
var parent = (rightMemberExp.Expression as ConstantExpression).Value;
rightValue = _repos.ReflectionStrategy.GetFieldValue(parent, rightMemberExp.Member.Name);
}
}
else // Value is passed in directly as a constant
{
rightValue = right.Value;
}
return rightValue;
}
protected string GetFullyQualifiedColumnName(MemberInfo member, Type declaringType)
{
if (_tablePrefix)
{
Table table = _tables.FindTable(declaringType);
if (table == null)
{
string msg = string.Format("The property '{0} -> {1}' you are trying to reference in the 'WHERE' statement belongs to an entity that has not been joined in your query. To reference this property, you must join the '{0}' entity using the Join method.",
declaringType,
member.Name);
throw new DataMappingException(msg);
}
string columnName = DataHelper.GetColumnName(declaringType, member.Name, _useAltName);
return _dialect.CreateToken(string.Format("{0}.{1}", table.Alias, columnName));
}
else
{
string columnName = DataHelper.GetColumnName(declaringType, member.Name, _useAltName);
return _dialect.CreateToken(columnName);
}
}
private string Decode(BinaryExpression expression)
{
bool isRightSideNullConstant = expression.Right.NodeType ==
ExpressionType.Constant &&
((ConstantExpression)expression.Right).Value == null;
if (isRightSideNullConstant)
{
switch (expression.NodeType)
{
case ExpressionType.Equal: return "IS";
case ExpressionType.NotEqual: return "IS NOT";
}
}
switch (expression.NodeType)
{
case ExpressionType.AndAlso: return "AND";
case ExpressionType.And: return "AND";
case ExpressionType.Equal: return "=";
case ExpressionType.GreaterThan: return ">";
case ExpressionType.GreaterThanOrEqual: return ">=";
case ExpressionType.LessThan: return "<";
case ExpressionType.LessThanOrEqual: return "<=";
case ExpressionType.NotEqual: return "<>";
case ExpressionType.OrElse: return "OR";
case ExpressionType.Or: return "OR";
default: throw new NotSupportedException(string.Format("{0} statement is not supported", expression.NodeType.ToString()));
}
}
private void Write_Contains(MethodCallExpression body)
{
// Add parameter to Command.Parameters
object value = GetRightValue(body.Arguments[0]);
string paramName = string.Concat(_paramPrefix, "P", _command.Parameters.Count.ToString());
var parameter = new ParameterChainMethods(_command, paramName, value).Parameter;
MemberExpression memberExp = (body.Object as MemberExpression);
string fqColumn = GetFullyQualifiedColumnName(memberExp.Member, memberExp.Expression.Type);
_sb.AppendFormat(_dialect.ContainsFormat, fqColumn, paramName);
}
private void Write_StartsWith(MethodCallExpression body)
{
// Add parameter to Command.Parameters
object value = GetRightValue(body.Arguments[0]);
string paramName = string.Concat(_paramPrefix, "P", _command.Parameters.Count.ToString());
var parameter = new ParameterChainMethods(_command, paramName, value).Parameter;
MemberExpression memberExp = (body.Object as MemberExpression);
string fqColumn = GetFullyQualifiedColumnName(memberExp.Member, memberExp.Expression.Type);
_sb.AppendFormat(_dialect.StartsWithFormat, fqColumn, paramName);
}
private void Write_EndsWith(MethodCallExpression body)
{
// Add parameter to Command.Parameters
object value = GetRightValue(body.Arguments[0]);
string paramName = string.Concat(_paramPrefix, "P", _command.Parameters.Count.ToString());
var parameter = new ParameterChainMethods(_command, paramName, value).Parameter;
MemberExpression memberExp = (body.Object as MemberExpression);
string fqColumn = GetFullyQualifiedColumnName(memberExp.Member, memberExp.Expression.Type);
_sb.AppendFormat(_dialect.EndsWithFormat, fqColumn, paramName);
}
/// <summary>
/// Appends the current where clause with another where clause.
/// </summary>
/// <param name="where">The second where clause that is being appended.</param>
/// <param name="appendType">AND / OR</param>
internal void Append(WhereBuilder<T> where, WhereAppendType appendType)
{
_constantWhereClause = string.Format("{0} {1} {2}",
ToString(),
appendType.ToString(),
where.ToString().Replace("WHERE ", string.Empty));
}
public override string ToString()
{
if (string.IsNullOrEmpty(_constantWhereClause))
{
return _sb.ToString();
}
return _constantWhereClause;
}
}
internal enum WhereAppendType
{
AND,
OR
}
}

17
src/Marr.Data/Reflection/IReflectionStrategy.cs
View File

@ -1,17 +0,0 @@
using System;
namespace Marr.Data.Reflection
{
public interface IReflectionStrategy
{
object GetFieldValue(object entity, string fieldName);
GetterDelegate BuildGetter(Type type, string memberName);
SetterDelegate BuildSetter(Type type, string memberName);
object CreateInstance(Type type);
}
public delegate void SetterDelegate(object instance, object value);
public delegate object GetterDelegate(object instance);
}

67
src/Marr.Data/Reflection/ReflectionHelper.cs
View File

@ -1,67 +0,0 @@
/* Copyright (C) 2008 - 2011 Jordan Marr
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>. */
using System;
using System.Reflection;
namespace Marr.Data.Reflection
{
public class ReflectionHelper
{
/// <summary>
/// Converts a DBNull.Value to a null for a reference field,
/// or the default value of a value field.
/// </summary>
/// <param name="fieldType"></param>
/// <returns></returns>
public static object GetDefaultValue(Type fieldType)
{
if (fieldType.IsGenericType)
{
return null;
}
if (fieldType.IsValueType)
{
return Activator.CreateInstance(fieldType);
}
return null;
}
/// <summary>
/// Gets the CLR data type of a MemberInfo.
/// If the type is nullable, returns the underlying type.
/// </summary>
/// <param name="member"></param>
/// <returns></returns>
public static Type GetMemberType(MemberInfo member)
{
Type memberType = null;
if (member.MemberType == MemberTypes.Property)
memberType = (member as PropertyInfo).PropertyType;
else if (member.MemberType == MemberTypes.Field)
memberType = (member as FieldInfo).FieldType;
else
memberType = typeof(object);
// Handle nullable types - get underlying type
if (memberType.IsGenericType && memberType.GetGenericTypeDefinition() == typeof(Nullable<>))
{
memberType = memberType.GetGenericArguments()[0];
}
return memberType;
}
}
}

143
src/Marr.Data/Reflection/SimpleReflectionStrategy.cs
View File

@ -1,143 +0,0 @@
using System;
using System.Collections.Concurrent;
using System.Linq.Expressions;
using System.Reflection;
namespace Marr.Data.Reflection
{
public class SimpleReflectionStrategy : IReflectionStrategy
{
private static readonly ConcurrentDictionary<string, MemberInfo> MemberCache = new ConcurrentDictionary<string, MemberInfo>();
private static readonly ConcurrentDictionary<string, GetterDelegate> GetterCache = new ConcurrentDictionary<string, GetterDelegate>();
private static readonly ConcurrentDictionary<string, SetterDelegate> SetterCache = new ConcurrentDictionary<string, SetterDelegate>();
private static MemberInfo GetMember(Type entityType, string name)
{
MemberInfo member;
var key = entityType.FullName + name;
if (!MemberCache.TryGetValue(key, out member))
{
member = entityType.GetMember(name, BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance)[0];
MemberCache[key] = member;
}
return member;
}
/// <summary>
/// Gets an entity field value by name.
/// </summary>
public object GetFieldValue(object entity, string fieldName)
{
var member = GetMember(entity.GetType(), fieldName);
if (member.MemberType == MemberTypes.Field)
{
return (member as FieldInfo).GetValue(entity);
}
if (member.MemberType == MemberTypes.Property)
{
return BuildGetter(entity.GetType(), fieldName)(entity);
}
throw new DataMappingException(string.Format("The DataMapper could not get the value for {0}.{1}.", entity.GetType().Name, fieldName));
}
/// <summary>
/// Instantiates a type using the FastReflector library for increased speed.
/// </summary>
/// <param name="type"></param>
/// <returns></returns>
public object CreateInstance(Type type)
{
return Activator.CreateInstance(type);
}
public GetterDelegate BuildGetter(Type type, string memberName)
{
GetterDelegate getter;
var key = type.FullName + memberName;
if (!GetterCache.TryGetValue(key, out getter))
{
getter = GetPropertyGetter((PropertyInfo)GetMember(type, memberName));
}
return getter;
}
public SetterDelegate BuildSetter(Type type, string memberName)
{
SetterDelegate setter;
var key = type.FullName + memberName;
if (!SetterCache.TryGetValue(key, out setter))
{
setter = GetPropertySetter((PropertyInfo)GetMember(type, memberName));
}
return setter;
}
private static SetterDelegate GetPropertySetter(PropertyInfo propertyInfo)
{
var propertySetMethod = propertyInfo.GetSetMethod();
if (propertySetMethod == null) return null;
#if NO_EXPRESSIONS
return (o, convertedValue) =>
{
propertySetMethod.Invoke(o, new[] { convertedValue });
return;
};
#else
var instance = Expression.Parameter(typeof(object), "i");
var argument = Expression.Parameter(typeof(object), "a");
var instanceParam = Expression.Convert(instance, propertyInfo.DeclaringType);
var valueParam = Expression.Convert(argument, propertyInfo.PropertyType);
var setterCall = Expression.Call(instanceParam, propertyInfo.GetSetMethod(), valueParam);
return Expression.Lambda<SetterDelegate>(setterCall, instance, argument).Compile();
#endif
}
private static GetterDelegate GetPropertyGetter(PropertyInfo propertyInfo)
{
var getMethodInfo = propertyInfo.GetGetMethod();
if (getMethodInfo == null) return null;
#if NO_EXPRESSIONS
return o => propertyInfo.GetGetMethod().Invoke(o, new object[] { });
#else
try
{
var oInstanceParam = Expression.Parameter(typeof(object), "oInstanceParam");
var instanceParam = Expression.Convert(oInstanceParam, propertyInfo.DeclaringType);
var exprCallPropertyGetFn = Expression.Call(instanceParam, getMethodInfo);
var oExprCallPropertyGetFn = Expression.Convert(exprCallPropertyGetFn, typeof(object));
var propertyGetFn = Expression.Lambda<GetterDelegate>
(
oExprCallPropertyGetFn,
oInstanceParam
).Compile();
return propertyGetFn;
}
catch (Exception ex)
{
Console.Write(ex.Message);
throw;
}
#endif
}
}
}

23
src/Marr.Data/SqlModesEnum.cs
View File

@ -1,23 +0,0 @@
/* Copyright (C) 2008 - 2011 Jordan Marr
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>. */
namespace Marr.Data
{
public enum SqlModes
{
StoredProcedure,
Text
}
}

127
src/Marr.Data/UnitOfWork.cs
View File

@ -1,127 +0,0 @@
using System;
using System.Data;
using System.Runtime.Serialization;
namespace Marr.Data
{
/// <summary>
/// The UnitOfWork class can be used to manage the lifetime of an IDataMapper, from creation to disposal.
/// When used in a "using" statement, the UnitOfWork will create and dispose an IDataMapper.
/// When the SharedContext property is used in a "using" statement,
/// it will create a parent unit of work that will share a single IDataMapper with other units of work,
/// and the IDataMapper will not be disposed until the shared context is disposed.
/// If more than one shared context is created, the IDataMapper will be disposed when the outer most
/// shared context is disposed.
/// </summary>
/// <remarks>
/// It should be noted that the Dispose method on the UnitOfWork class only affects the managed IDataMapper.
/// The UnitOfWork instance itself is not affected by the Dispose method.
/// </remarks>
public class UnitOfWork : IDisposable
{
private Func<IDataMapper> _dbConstructor;
private IDataMapper _lazyLoadedDB;
private short _transactionCount;
public UnitOfWork(Func<IDataMapper> dbConstructor)
{
_dbConstructor = dbConstructor;
}
/// <summary>
/// Gets an IDataMapper object whose lifetime is managed by the UnitOfWork class.
/// </summary>
public IDataMapper DB
{
get
{
if (_lazyLoadedDB == null)
{
_lazyLoadedDB = _dbConstructor.Invoke();
}
return _lazyLoadedDB;
}
}
/// <summary>
/// Instructs the UnitOfWork to share a single IDataMapper instance.
/// </summary>
public UnitOfWorkSharedContext SharedContext
{
get
{
return new UnitOfWorkSharedContext(this);
}
}
public void BeginTransaction(IsolationLevel isolationLevel)
{
// Only allow one transaction to begin
if (_transactionCount < 1)
{
DB.BeginTransaction(isolationLevel);
}
_transactionCount++;
}
public void Commit()
{
// Only allow the outermost transaction to commit (all nested transactions must succeed)
if (_transactionCount == 1)
{
DB.Commit();
}
_transactionCount--;
}
public void RollBack()
{
// Any level transaction should be allowed to rollback
DB.RollBack();
// Throw an exception if a nested ShareContext transaction rolls back
if (_transactionCount > 1)
{
throw new NestedSharedContextRollBackException();
}
_transactionCount--;
}
public void Dispose()
{
if (!IsShared)
{
ForceDispose();
}
}
internal bool IsShared { get; set; }
private void ForceDispose()
{
_transactionCount = 0;
if (_lazyLoadedDB != null)
{
_lazyLoadedDB.Dispose();
_lazyLoadedDB = null;
}
}
}
[Serializable]
public class NestedSharedContextRollBackException : Exception
{
public NestedSharedContextRollBackException() { }
public NestedSharedContextRollBackException(string message) : base(message) { }
public NestedSharedContextRollBackException(string message, Exception inner) : base(message, inner) { }
protected NestedSharedContextRollBackException(
SerializationInfo info,
StreamingContext context)
: base(info, context) { }
}
}

38
src/Marr.Data/UnitOfWorkSharedContext.cs
View File

@ -1,38 +0,0 @@
using System;
namespace Marr.Data
{
/// <summary>
/// Works in conjunction with the UnitOfWork to create a new
/// shared context that will preserve a single IDataMapper.
/// </summary>
public class UnitOfWorkSharedContext : IDisposable
{
private UnitOfWork _mgr;
private bool _isParentContext;
public UnitOfWorkSharedContext(UnitOfWork mgr)
{
_mgr = mgr;
if (_mgr.IsShared)
{
_isParentContext = false;
}
else
{
_isParentContext = true;
_mgr.IsShared = true;
}
}
public void Dispose()
{
if (_isParentContext)
{
_mgr.IsShared = false;
_mgr.Dispose();
}
}
}
}

2
src/NzbDrone.Common.Test/EnvironmentInfo/BuildInfoFixture.cs
View File

@ -10,7 +10,7 @@ namespace NzbDrone.Common.Test.EnvironmentInfo
[Test]
public void should_return_version()
{
BuildInfo.Version.Major.Should().BeOneOf(3, 10);
BuildInfo.Version.Major.Should().BeOneOf(4, 10);
}
[Test]

60
src/NzbDrone.Common/Extensions/IEnumerableExtensions.cs
View File

@ -1,17 +1,16 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
namespace NzbDrone.Common.Extensions
{
public static class EnumerableExtensions
{
public static IEnumerable<TFirst> IntersectBy<TFirst, TSecond, TKey>(this IEnumerable<TFirst> first,
Func<TFirst, TKey> firstKeySelector,
IEnumerable<TSecond> second,
Func<TSecond, TKey> secondKeySelector,
IEqualityComparer<TKey> keyComparer)
Func<TFirst, TKey> firstKeySelector,
IEnumerable<TSecond> second,
Func<TSecond, TKey> secondKeySelector,
IEqualityComparer<TKey> keyComparer)
{
var keys = new HashSet<TKey>(second.Select(secondKeySelector), keyComparer);
@ -28,10 +27,10 @@ namespace NzbDrone.Common.Extensions
}
public static IEnumerable<TFirst> ExceptBy<TFirst, TSecond, TKey>(this IEnumerable<TFirst> first,
Func<TFirst, TKey> firstKeySelector,
IEnumerable<TSecond> second,
Func<TSecond, TKey> secondKeySelector,
IEqualityComparer<TKey> keyComparer)
Func<TFirst, TKey> firstKeySelector,
IEnumerable<TSecond> second,
Func<TSecond, TKey> secondKeySelector,
IEqualityComparer<TKey> keyComparer)
{
var keys = new HashSet<TKey>(second.Select(secondKeySelector), keyComparer);
var matchedKeys = new HashSet<TKey>();
@ -109,13 +108,37 @@ namespace NzbDrone.Common.Extensions
return source.Select(predicate).ToList();
}
// public static IOrderedEnumerable<TEntity> OrderBy<TEntity>(this IEnumerable<TEntity> source, string propertyName, bool descending)
// {
// var property = typeof(TEntity).GetProperty(propertyName);
// Func<TEntity, Object> orderByFunc = x => property.GetValue(x, null);
//
// return descending ? source.OrderByDescending(orderByFunc) : source.OrderBy(orderByFunc);
// }
public static IEnumerable<T> DropLast<T>(this IEnumerable<T> source, int n)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
if (n < 0)
{
throw new ArgumentOutOfRangeException("n",
"Argument n should be non-negative.");
}
return InternalDropLast(source, n);
}
private static IEnumerable<T> InternalDropLast<T>(IEnumerable<T> source, int n)
{
Queue<T> buffer = new Queue<T>(n + 1);
foreach (T x in source)
{
buffer.Enqueue(x);
if (buffer.Count == n + 1)
{
yield return buffer.Dequeue();
}
}
}
public static string ConcatToString<TSource>(this IEnumerable<TSource> source, string separator = ", ")
{
return string.Join(separator, source.Select(x => x.ToString()));
@ -125,5 +148,10 @@ namespace NzbDrone.Common.Extensions
{
return string.Join(separator, source.Select(predicate));
}
public static HashSet<T> ToHashSet<T>(this IEnumerable<T> source, IEqualityComparer<T> comparer = null)
{
return new HashSet<T>(source, comparer);
}
}
}

0
src/NzbDrone.Common/Serializer/HttpUriConverter.cs → src/NzbDrone.Common/Serializer/Newtonsoft.Json/HttpUriConverter.cs
View File

0
src/NzbDrone.Common/Serializer/IntConverter.cs → src/NzbDrone.Common/Serializer/Newtonsoft.Json/IntConverter.cs
View File

54
src/NzbDrone.Common/Serializer/Json.cs → src/NzbDrone.Common/Serializer/Newtonsoft.Json/Json.cs
View File

@ -1,6 +1,5 @@
using System;
using System.IO;
using System.Reflection;
using Newtonsoft.Json;
using Newtonsoft.Json.Converters;
using Newtonsoft.Json.Serialization;
@ -39,61 +38,12 @@ namespace NzbDrone.Common.Serializer
public static T Deserialize<T>(string json)
where T : new()
{
try
{
return JsonConvert.DeserializeObject<T>(json, SerializerSettings);
}
catch (JsonReaderException ex)
{
throw DetailedJsonReaderException(ex, json);
}
return JsonConvert.DeserializeObject<T>(json, SerializerSettings);
}
public static object Deserialize(string json, Type type)
{
try
{
return JsonConvert.DeserializeObject(json, type, SerializerSettings);
}
catch (JsonReaderException ex)
{
throw DetailedJsonReaderException(ex, json);
}
}
private static JsonReaderException DetailedJsonReaderException(JsonReaderException ex, string json)
{
var lineNumber = ex.LineNumber == 0 ? 0 : (ex.LineNumber - 1);
var linePosition = ex.LinePosition;
var lines = json.Split('\n');
if (lineNumber >= 0 && lineNumber < lines.Length &&
linePosition >= 0 && linePosition < lines[lineNumber].Length)
{
var line = lines[lineNumber];
var start = Math.Max(0, linePosition - 20);
var end = Math.Min(line.Length, linePosition + 20);
var snippetBefore = line.Substring(start, linePosition - start);
var snippetAfter = line.Substring(linePosition, end - linePosition);
var message = ex.Message + " (Json snippet '" + snippetBefore + "<--error-->" + snippetAfter + "')";
// Not risking updating JSON.net from 9.x to 10.x just to get this as public ctor.
var ctor = typeof(JsonReaderException).GetConstructor(BindingFlags.NonPublic | BindingFlags.Instance, null, new Type[] { typeof(string), typeof(Exception), typeof(string), typeof(int), typeof(int) }, null);
if (ctor != null)
{
return (JsonReaderException)ctor.Invoke(new object[] { message, ex, ex.Path, ex.LineNumber, linePosition });
}
// JSON.net 10.x ctor in case we update later.
ctor = typeof(JsonReaderException).GetConstructor(BindingFlags.Public | BindingFlags.Instance, null, new Type[] { typeof(string), typeof(string), typeof(int), typeof(int), typeof(Exception) }, null);
if (ctor != null)
{
return (JsonReaderException)ctor.Invoke(new object[] { message, ex.Path, ex.LineNumber, linePosition, ex });
}
}
return ex;
return JsonConvert.DeserializeObject(json, type, SerializerSettings);
}
public static bool TryDeserialize<T>(string json, out T result)

6
src/NzbDrone.Common/Serializer/JsonVisitor.cs → src/NzbDrone.Common/Serializer/Newtonsoft.Json/JsonVisitor.cs
View File

@ -1,8 +1,4 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Newtonsoft.Json.Linq;
using Newtonsoft.Json.Linq;
namespace NzbDrone.Common.Serializer
{

0
src/NzbDrone.Common/Serializer/UnderscoreStringEnumConverter.cs → src/NzbDrone.Common/Serializer/Newtonsoft.Json/UnderscoreStringEnumConverter.cs
View File

19
src/NzbDrone.Common/Serializer/System.Text.Json/PolymorphicWriteOnlyJsonConverter.cs Normal file
View File

@ -0,0 +1,19 @@
using System;
using System.Text.Json;
using System.Text.Json.Serialization;
namespace NzbDrone.Common.Serializer
{
public class PolymorphicWriteOnlyJsonConverter<T> : JsonConverter<T>
{
public override T Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
{
return JsonSerializer.Deserialize<T>(ref reader, options);
}
public override void Write(Utf8JsonWriter writer, T value, JsonSerializerOptions options)
{
JsonSerializer.Serialize(writer, value, value.GetType(), options);
}
}
}

27
src/NzbDrone.Common/Serializer/System.Text.Json/STJHttpUriConverter.cs Normal file
View File

@ -0,0 +1,27 @@
using System;
using System.Text.Json;
using System.Text.Json.Serialization;
using NzbDrone.Common.Http;
namespace NzbDrone.Common.Serializer
{
public class STJHttpUriConverter : JsonConverter<HttpUri>
{
public override HttpUri Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
{
return new HttpUri(reader.GetString());
}
public override void Write(Utf8JsonWriter writer, HttpUri value, JsonSerializerOptions options)
{
if (value == null)
{
writer.WriteNullValue();
}
else
{
writer.WriteStringValue(value.FullUri);
}
}
}
}

19
src/NzbDrone.Common/Serializer/System.Text.Json/STJTimeSpanConverter.cs Normal file
View File

@ -0,0 +1,19 @@
using System;
using System.Text.Json;
using System.Text.Json.Serialization;
namespace NzbDrone.Common.Serializer
{
public class STJTimeSpanConverter : JsonConverter<TimeSpan>
{
public override TimeSpan Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
{
return TimeSpan.Parse(reader.GetString());
}
public override void Write(Utf8JsonWriter writer, TimeSpan value, JsonSerializerOptions options)
{
writer.WriteStringValue(value.ToString());
}
}
}

19
src/NzbDrone.Common/Serializer/System.Text.Json/STJUtcConverter.cs Normal file
View File

@ -0,0 +1,19 @@
using System;
using System.Text.Json;
using System.Text.Json.Serialization;
namespace NzbDrone.Common.Serializer
{
public class STJUtcConverter : JsonConverter<DateTime>
{
public override DateTime Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
{
return DateTime.Parse(reader.GetString()).ToUniversalTime();
}
public override void Write(Utf8JsonWriter writer, DateTime value, JsonSerializerOptions options)
{
writer.WriteStringValue(value.ToUniversalTime().ToString("yyyy'-'MM'-'dd'T'HH':'mm':'ssZ"));
}
}
}

48
src/NzbDrone.Common/Serializer/System.Text.Json/STJVersionConverter.cs Normal file
View File

@ -0,0 +1,48 @@
using System;
using System.Text.Json;
using System.Text.Json.Serialization;
namespace NzbDrone.Common.Serializer
{
public class STJVersionConverter : JsonConverter<Version>
{
public override Version Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
{
if (reader.TokenType == JsonTokenType.Null)
{
return null;
}
else
{
if (reader.TokenType == JsonTokenType.String)
{
try
{
Version v = new Version(reader.GetString());
return v;
}
catch (Exception)
{
throw new JsonException();
}
}
else
{
throw new JsonException();
}
}
}
public override void Write(Utf8JsonWriter writer, Version value, JsonSerializerOptions options)
{
if (value == null)
{
writer.WriteNullValue();
}
else
{
writer.WriteStringValue(value.ToString());
}
}
}
}

88
src/NzbDrone.Common/Serializer/System.Text.Json/STJson.cs Normal file
View File

@ -0,0 +1,88 @@
using System;
using System.IO;
using System.Text.Json;
using System.Text.Json.Serialization;
namespace NzbDrone.Common.Serializer
{
public static class STJson
{
private static readonly JsonSerializerOptions SerializerSettings = GetSerializerSettings();
private static readonly JsonWriterOptions WriterOptions = new JsonWriterOptions
{
Indented = true
};
public static JsonSerializerOptions GetSerializerSettings()
{
var serializerSettings = new JsonSerializerOptions
{
AllowTrailingCommas = true,
DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull,
PropertyNameCaseInsensitive = true,
DictionaryKeyPolicy = JsonNamingPolicy.CamelCase,
PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
WriteIndented = true
};
serializerSettings.Converters.Add(new JsonStringEnumConverter(JsonNamingPolicy.CamelCase, true));
serializerSettings.Converters.Add(new STJVersionConverter());
serializerSettings.Converters.Add(new STJHttpUriConverter());
serializerSettings.Converters.Add(new STJTimeSpanConverter());
serializerSettings.Converters.Add(new STJUtcConverter());
return serializerSettings;
}
public static T Deserialize<T>(string json)
where T : new()
{
return JsonSerializer.Deserialize<T>(json, SerializerSettings);
}
public static object Deserialize(string json, Type type)
{
return JsonSerializer.Deserialize(json, type, SerializerSettings);
}
public static object Deserialize(Stream input, Type type)
{
return JsonSerializer.DeserializeAsync(input, type, SerializerSettings).GetAwaiter().GetResult();
}
public static bool TryDeserialize<T>(string json, out T result)
where T : new()
{
try
{
result = Deserialize<T>(json);
return true;
}
catch (JsonException)
{
result = default(T);
return false;
}
}
public static string ToJson(object obj)
{
return JsonSerializer.Serialize(obj, SerializerSettings);
}
public static void Serialize<TModel>(TModel model, Stream outputStream, JsonSerializerOptions options = null)
{
if (options == null)
{
options = SerializerSettings;
}
// Cast to object to get all properties written out
// https://github.com/dotnet/corefx/issues/38650
using (var writer = new Utf8JsonWriter(outputStream, options: WriterOptions))
{
JsonSerializer.Serialize(writer, (object)model, options);
}
}
}
}

1
src/NzbDrone.Common/Sonarr.Common.csproj
View File

@ -10,6 +10,7 @@
<PackageReference Include="NLog.Targets.Syslog" Version="6.0.3" />
<PackageReference Include="Sentry" Version="2.1.8" />
<PackageReference Include="SharpZipLib" Version="1.3.3" />
<PackageReference Include="System.Text.Json" Version="6.0.4" />
<PackageReference Include="System.ValueTuple" Version="4.5.0" />
<PackageReference Include="System.Data.SQLite.Core.Servarr" Version="1.0.115.0-0" />
<PackageReference Include="System.Configuration.ConfigurationManager" Version="6.0.0" />

3
src/NzbDrone.Core.Test/Blocklisting/BlocklistRepositoryFixture.cs
View File

@ -1,4 +1,4 @@
using System;
using System;
using System.Collections.Generic;
using System.Linq;
using FluentAssertions;
@ -22,6 +22,7 @@ namespace NzbDrone.Core.Test.Blocklisting
SeriesId = 12345,
EpisodeIds = new List<int> { 1 },
Quality = new QualityModel(Quality.Bluray720p),
Language = Core.Languages.Language.English,
SourceTitle = "series.title.s01e01",
Date = DateTime.UtcNow
};

281
src/NzbDrone.Core.Test/Datastore/BasicRepositoryFixture.cs
View File

@ -1,4 +1,5 @@
using System;
using System.Collections.Generic;
using System.Linq;
using FizzWare.NBuilder;
using FluentAssertions;
@ -10,34 +11,236 @@ using NzbDrone.Core.Test.Framework;
namespace NzbDrone.Core.Test.Datastore
{
[TestFixture]
public class
BasicRepositoryFixture : DbTest<BasicRepository<ScheduledTask>, ScheduledTask>
public class BasicRepositoryFixture : DbTest<BasicRepository<ScheduledTask>, ScheduledTask>
{
private ScheduledTask _basicType;
private List<ScheduledTask> _basicList;
[SetUp]
public void Setup()
{
_basicType = Builder<ScheduledTask>
.CreateNew()
.With(c => c.Id = 0)
.With(c => c.LastExecution = DateTime.UtcNow)
.Build();
AssertionOptions.AssertEquivalencyUsing(options =>
{
options.Using<DateTime>(ctx => ctx.Subject.Should().BeCloseTo(ctx.Expectation.ToUniversalTime())).WhenTypeIs<DateTime>();
return options;
});
_basicList = Builder<ScheduledTask>
.CreateListOfSize(5)
.All()
.With(x => x.Id = 0)
.BuildList();
}
[Test]
public void should_be_able_to_add()
public void should_be_able_to_insert()
{
Subject.Insert(_basicType);
Subject.Insert(_basicList[0]);
Subject.All().Should().HaveCount(1);
}
[Test]
public void should_be_able_to_insert_many()
{
Subject.InsertMany(_basicList);
Subject.All().Should().HaveCount(5);
}
[Test]
public void insert_many_should_throw_if_id_not_zero()
{
_basicList[1].Id = 999;
Assert.Throws<InvalidOperationException>(() => Subject.InsertMany(_basicList));
}
[Test]
public void should_be_able_to_get_count()
{
Subject.InsertMany(_basicList);
Subject.Count().Should().Be(_basicList.Count);
}
[Test]
public void should_be_able_to_find_by_id()
{
Subject.InsertMany(_basicList);
var storeObject = Subject.Get(_basicList[1].Id);
storeObject.Should().BeEquivalentTo(_basicList[1], o => o.IncludingAllRuntimeProperties());
}
[Test]
public void should_be_able_to_update()
{
Subject.InsertMany(_basicList);
var item = _basicList[1];
item.Interval = 999;
Subject.Update(item);
Subject.All().Should().BeEquivalentTo(_basicList);
}
[Test]
public void should_be_able_to_upsert_new()
{
Subject.Upsert(_basicList[0]);
Subject.All().Should().HaveCount(1);
}
[Test]
public void should_be_able_to_upsert_existing()
{
Subject.InsertMany(_basicList);
var item = _basicList[1];
item.Interval = 999;
Subject.Upsert(item);
Subject.All().Should().BeEquivalentTo(_basicList);
}
[Test]
public void should_be_able_to_update_single_field()
{
Subject.InsertMany(_basicList);
var item = _basicList[1];
var executionBackup = item.LastExecution;
item.Interval = 999;
item.LastExecution = DateTime.UtcNow;
Subject.SetFields(item, x => x.Interval);
item.LastExecution = executionBackup;
Subject.All().Should().BeEquivalentTo(_basicList);
}
[Test]
public void set_fields_should_throw_if_id_zero()
{
Subject.InsertMany(_basicList);
_basicList[1].Id = 0;
_basicList[1].LastExecution = DateTime.UtcNow;
Assert.Throws<InvalidOperationException>(() => Subject.SetFields(_basicList[1], x => x.Interval));
}
[Test]
public void should_be_able_to_delete_model_by_id()
{
Subject.InsertMany(_basicList);
Subject.All().Should().HaveCount(5);
Subject.Delete(_basicList[0].Id);
Subject.All().Select(x => x.Id).Should().BeEquivalentTo(_basicList.Skip(1).Select(x => x.Id));
}
[Test]
public void should_be_able_to_delete_model_by_object()
{
Subject.InsertMany(_basicList);
Subject.All().Should().HaveCount(5);
Subject.Delete(_basicList[0]);
Subject.All().Select(x => x.Id).Should().BeEquivalentTo(_basicList.Skip(1).Select(x => x.Id));
}
[Test]
public void get_many_should_return_empty_list_if_no_ids()
{
Subject.Get(new List<int>()).Should().BeEquivalentTo(new List<ScheduledTask>());
}
[Test]
public void get_many_should_throw_if_not_all_found()
{
Subject.InsertMany(_basicList);
Assert.Throws<ApplicationException>(() => Subject.Get(new[] { 999 }));
}
[Test]
public void should_be_able_to_find_by_multiple_id()
{
Subject.InsertMany(_basicList);
var storeObject = Subject.Get(_basicList.Take(2).Select(x => x.Id));
storeObject.Select(x => x.Id).Should().BeEquivalentTo(_basicList.Take(2).Select(x => x.Id));
}
[Test]
public void should_be_able_to_update_many()
{
Subject.InsertMany(_basicList);
_basicList.ForEach(x => x.Interval = 999);
Subject.UpdateMany(_basicList);
Subject.All().Should().BeEquivalentTo(_basicList);
}
[Test]
public void update_many_should_throw_if_id_zero()
{
Subject.InsertMany(_basicList);
_basicList[1].Id = 0;
Assert.Throws<InvalidOperationException>(() => Subject.UpdateMany(_basicList));
}
[Test]
public void should_be_able_to_update_many_single_field()
{
Subject.InsertMany(_basicList);
var executionBackup = _basicList.Select(x => x.LastExecution).ToList();
_basicList.ForEach(x => x.Interval = 999);
_basicList.ForEach(x => x.LastExecution = DateTime.UtcNow);
Subject.SetFields(_basicList, x => x.Interval);
for (int i = 0; i < _basicList.Count; i++)
{
_basicList[i].LastExecution = executionBackup[i];
}
Subject.All().Should().BeEquivalentTo(_basicList);
}
[Test]
public void set_fields_should_throw_if_any_id_zero()
{
Subject.InsertMany(_basicList);
_basicList.ForEach(x => x.Interval = 999);
_basicList[1].Id = 0;
Assert.Throws<InvalidOperationException>(() => Subject.SetFields(_basicList, x => x.Interval));
}
[Test]
public void should_be_able_to_delete_many_by_model()
{
Subject.InsertMany(_basicList);
Subject.All().Should().HaveCount(5);
Subject.DeleteMany(_basicList.Take(2).ToList());
Subject.All().Select(x => x.Id).Should().BeEquivalentTo(_basicList.Skip(2).Select(x => x.Id));
}
[Test]
public void should_be_able_to_delete_many_by_id()
{
Subject.InsertMany(_basicList);
Subject.All().Should().HaveCount(5);
Subject.DeleteMany(_basicList.Take(2).Select(x => x.Id).ToList());
Subject.All().Select(x => x.Id).Should().BeEquivalentTo(_basicList.Skip(2).Select(x => x.Id));
}
[Test]
public void purge_should_delete_all()
{
Subject.InsertMany(Builder<ScheduledTask>.CreateListOfSize(10).BuildListOfNew());
Subject.InsertMany(_basicList);
AllStoredModels.Should().HaveCount(10);
AllStoredModels.Should().HaveCount(5);
Subject.Purge();
@ -45,29 +248,29 @@ namespace NzbDrone.Core.Test.Datastore
}
[Test]
public void should_be_able_to_delete_model()
public void has_items_should_return_false_with_no_items()
{
Subject.Insert(_basicType);
Subject.All().Should().HaveCount(1);
Subject.Delete(_basicType.Id);
Subject.All().Should().BeEmpty();
Subject.HasItems().Should().BeFalse();
}
[Test]
public void should_be_able_to_find_by_id()
public void has_items_should_return_true_with_items()
{
Subject.Insert(_basicType);
var storeObject = Subject.Get(_basicType.Id);
Subject.InsertMany(_basicList);
Subject.HasItems().Should().BeTrue();
}
storeObject.Should().BeEquivalentTo(_basicType, o => o.IncludingAllRuntimeProperties());
[Test]
public void single_should_throw_on_empty()
{
Assert.Throws<InvalidOperationException>(() => Subject.Single());
}
[Test]
public void should_be_able_to_get_single()
{
Subject.Insert(_basicType);
Subject.SingleOrDefault().Should().NotBeNull();
Subject.Insert(_basicList[0]);
Subject.Single().Should().BeEquivalentTo(_basicList[0]);
}
[Test]
@ -89,9 +292,37 @@ namespace NzbDrone.Core.Test.Datastore
}
[Test]
public void should_be_able_to_call_ToList_on_empty_quariable()
public void should_be_able_to_call_ToList_on_empty_queryable()
{
Subject.All().ToList().Should().BeEmpty();
}
[TestCase(1, 2)]
[TestCase(2, 2)]
[TestCase(3, 1)]
public void get_paged_should_work(int page, int count)
{
Subject.InsertMany(_basicList);
var data = Subject.GetPaged(new PagingSpec<ScheduledTask>() { Page = page, PageSize = 2, SortKey = "LastExecution", SortDirection = SortDirection.Descending });
data.Page.Should().Be(page);
data.PageSize.Should().Be(2);
data.TotalRecords.Should().Be(_basicList.Count);
data.Records.Should().BeEquivalentTo(_basicList.OrderByDescending(x => x.LastExecution).Skip((page - 1) * 2).Take(2));
}
[TestCase(1, 2)]
[TestCase(2, 2)]
[TestCase(3, 1)]
public void get_paged_should_work_with_null_sort_key(int page, int count)
{
Subject.InsertMany(_basicList);
var data = Subject.GetPaged(new PagingSpec<ScheduledTask>() { Page = page, PageSize = 2, SortDirection = SortDirection.Descending });
data.Page.Should().Be(page);
data.PageSize.Should().Be(2);
data.TotalRecords.Should().Be(_basicList.Count);
data.Records.Should().BeEquivalentTo(_basicList.OrderByDescending(x => x.Id).Skip((page - 1) * 2).Take(2));
}
}
}

59
src/NzbDrone.Core.Test/Datastore/Converters/BooleanIntConverterFixture.cs
View File

@ -1,59 +0,0 @@
using System;
using FluentAssertions;
using Marr.Data.Converters;
using NUnit.Framework;
using NzbDrone.Core.Test.Framework;
namespace NzbDrone.Core.Test.Datastore.Converters
{
[TestFixture]
public class BooleanIntConverterFixture : CoreTest<Core.Datastore.Converters.BooleanIntConverter>
{
[TestCase(true, 1)]
[TestCase(false, 0)]
public void should_return_int_when_saving_boolean_to_db(bool input, int expected)
{
Subject.ToDB(input).Should().Be(expected);
}
[Test]
public void should_return_db_null_for_null_value_when_saving_to_db()
{
Subject.ToDB(null).Should().Be(DBNull.Value);
}
[TestCase(1, true)]
[TestCase(0, false)]
public void should_return_bool_when_getting_int_from_db(int input, bool expected)
{
var context = new ConverterContext
{
DbValue = (long)input
};
Subject.FromDB(context).Should().Be(expected);
}
[Test]
public void should_return_db_null_for_null_value_when_getting_from_db()
{
var context = new ConverterContext
{
DbValue = DBNull.Value
};
Subject.FromDB(context).Should().Be(DBNull.Value);
}
[Test]
public void should_throw_for_non_boolean_equivalent_number_value_when_getting_from_db()
{
var context = new ConverterContext
{
DbValue = 2L
};
Assert.Throws<ConversionException>(() => Subject.FromDB(context));
}
}
}

57
src/NzbDrone.Core.Test/Datastore/Converters/CommandConverterFixture.cs
View File

@ -1,10 +1,6 @@
using System;
using System.Data;
using System.Data.SQLite;
using FluentAssertions;
using Marr.Data.Converters;
using Moq;
using NUnit.Framework;
using NzbDrone.Common.Serializer;
using NzbDrone.Core.Datastore.Converters;
using NzbDrone.Core.Messaging.Commands;
using NzbDrone.Core.Test.Framework;
@ -15,67 +11,50 @@ namespace NzbDrone.Core.Test.Datastore.Converters
[TestFixture]
public class CommandConverterFixture : CoreTest<CommandConverter>
{
private SQLiteParameter _param;
[SetUp]
public void Setup()
{
_param = new SQLiteParameter();
}
[Test]
public void should_return_json_string_when_saving_boolean_to_db()
{
var command = new RefreshSeriesCommand();
Subject.ToDB(command).Should().BeOfType<string>();
Subject.SetValue(_param, command);
_param.Value.Should().BeOfType<string>();
}
[Test]
public void should_return_null_for_null_value_when_saving_to_db()
{
Subject.ToDB(null).Should().Be(null);
}
[Test]
public void should_return_db_null_for_db_null_value_when_saving_to_db()
{
Subject.ToDB(DBNull.Value).Should().Be(DBNull.Value);
Subject.SetValue(_param, null);
_param.Value.Should().BeNull();
}
[Test]
public void should_return_command_when_getting_json_from_db()
{
var dataRecordMock = new Mock<IDataRecord>();
dataRecordMock.Setup(s => s.GetOrdinal("Name")).Returns(0);
dataRecordMock.Setup(s => s.GetString(0)).Returns("RefreshSeries");
var data = "{\"name\": \"RefreshSeries\"}";
var context = new ConverterContext
{
DataRecord = dataRecordMock.Object,
DbValue = new RefreshSeriesCommand().ToJson()
};
Subject.FromDB(context).Should().BeOfType<RefreshSeriesCommand>();
Subject.Parse(data).Should().BeOfType<RefreshSeriesCommand>();
}
[Test]
public void should_return_unknown_command_when_getting_json_from_db()
{
var dataRecordMock = new Mock<IDataRecord>();
dataRecordMock.Setup(s => s.GetOrdinal("Name")).Returns(0);
dataRecordMock.Setup(s => s.GetString(0)).Returns("MockRemovedCommand");
var data = "{\"name\": \"EnsureMediaCovers\"}";
var context = new ConverterContext
{
DataRecord = dataRecordMock.Object,
DbValue = new RefreshSeriesCommand(2).ToJson()
};
Subject.FromDB(context).Should().BeOfType<UnknownCommand>();
Subject.Parse(data).Should().BeOfType<UnknownCommand>();
}
[Test]
public void should_return_null_for_null_value_when_getting_from_db()
{
var context = new ConverterContext
{
DbValue = DBNull.Value
};
Subject.FromDB(context).Should().Be(null);
Subject.Parse(null).Should().BeNull();
}
}
}

41
src/NzbDrone.Core.Test/Datastore/Converters/DictionaryConverterFixture.cs Normal file
View File

@ -0,0 +1,41 @@
using System.Collections.Generic;
using System.Data.SQLite;
using FluentAssertions;
using NUnit.Framework;
using NzbDrone.Core.Datastore.Converters;
using NzbDrone.Core.Test.Framework;
namespace NzbDrone.Core.Test.Datastore.Converters
{
[TestFixture]
public class DictionaryConverterFixture : CoreTest<EmbeddedDocumentConverter<Dictionary<string, string>>>
{
private SQLiteParameter _param;
[SetUp]
public void Setup()
{
_param = new SQLiteParameter();
}
[Test]
public void should_serialize_in_camel_case()
{
var dict = new Dictionary<string, string>
{
{ "Data", "Should be lowercased" },
{ "CamelCase", "Should be cameled" }
};
Subject.SetValue(_param, dict);
var result = (string)_param.Value;
result.Should().Contain("data");
result.Should().NotContain("Data");
result.Should().Contain("camelCase");
result.Should().NotContain("CamelCase");
}
}
}

70
src/NzbDrone.Core.Test/Datastore/Converters/DoubleConverterFixture.cs
View File

@ -1,70 +0,0 @@
using System;
using FluentAssertions;
using Marr.Data.Converters;
using NUnit.Framework;
using NzbDrone.Core.Datastore.Converters;
using NzbDrone.Core.Test.Framework;
namespace NzbDrone.Core.Test.Datastore.Converters
{
[TestFixture]
public class DoubleConverterFixture : CoreTest<DoubleConverter>
{
[Test]
public void should_return_double_when_saving_double_to_db()
{
var input = 10.5D;
Subject.ToDB(input).Should().Be(input);
}
[Test]
public void should_return_null_for_null_value_when_saving_to_db()
{
Subject.ToDB(null).Should().Be(null);
}
[Test]
public void should_return_db_null_for_db_null_value_when_saving_to_db()
{
Subject.ToDB(DBNull.Value).Should().Be(DBNull.Value);
}
[Test]
public void should_return_double_when_getting_double_from_db()
{
var expected = 10.5D;
var context = new ConverterContext
{
DbValue = expected
};
Subject.FromDB(context).Should().Be(expected);
}
[Test]
public void should_return_double_when_getting_string_from_db()
{
var expected = 10.5D;
var context = new ConverterContext
{
DbValue = $"{expected}"
};
Subject.FromDB(context).Should().Be(expected);
}
[Test]
public void should_return_null_for_null_value_when_getting_from_db()
{
var context = new ConverterContext
{
DbValue = DBNull.Value
};
Subject.FromDB(context).Should().Be(DBNull.Value);
}
}
}

57
src/NzbDrone.Core.Test/Datastore/Converters/EnumIntConverterFixture.cs
View File

@ -1,57 +0,0 @@
using System;
using System.Reflection;
using FluentAssertions;
using Marr.Data.Converters;
using Marr.Data.Mapping;
using Moq;
using NUnit.Framework;
using NzbDrone.Core.Test.Framework;
using NzbDrone.Core.Tv;
namespace NzbDrone.Core.Test.Datastore.Converters
{
[TestFixture]
public class EnumIntConverterFixture : CoreTest<Core.Datastore.Converters.EnumIntConverter>
{
[Test]
public void should_return_int_when_saving_enum_to_db()
{
Subject.ToDB(SeriesTypes.Standard).Should().Be((int)SeriesTypes.Standard);
}
[Test]
public void should_return_db_null_for_null_value_when_saving_to_db()
{
Subject.ToDB(null).Should().Be(DBNull.Value);
}
[Test]
public void should_return_enum_when_getting_int_from_db()
{
var mockMemberInfo = new Mock<MemberInfo>();
mockMemberInfo.SetupGet(s => s.DeclaringType).Returns(typeof(Series));
mockMemberInfo.SetupGet(s => s.Name).Returns("SeriesType");
var expected = SeriesTypes.Standard;
var context = new ConverterContext
{
ColumnMap = new ColumnMap(mockMemberInfo.Object) { FieldType = typeof(SeriesTypes) },
DbValue = (long)expected
};
Subject.FromDB(context).Should().Be(expected);
}
[Test]
public void should_return_null_for_null_value_when_getting_from_db()
{
var context = new ConverterContext
{
DbValue = DBNull.Value
};
Subject.FromDB(context).Should().Be(null);
}
}
}

33
src/NzbDrone.Core.Test/Datastore/Converters/GuidConverterFixture.cs
View File

@ -1,6 +1,6 @@
using System;
using System.Data.SQLite;
using FluentAssertions;
using Marr.Data.Converters;
using NUnit.Framework;
using NzbDrone.Core.Datastore.Converters;
using NzbDrone.Core.Test.Framework;
@ -10,18 +10,21 @@ namespace NzbDrone.Core.Test.Datastore.Converters
[TestFixture]
public class GuidConverterFixture : CoreTest<GuidConverter>
{
private SQLiteParameter _param;
[SetUp]
public void Setup()
{
_param = new SQLiteParameter();
}
[Test]
public void should_return_string_when_saving_guid_to_db()
{
var guid = Guid.NewGuid();
Subject.ToDB(guid).Should().Be(guid.ToString());
}
[Test]
public void should_return_db_null_for_null_value_when_saving_to_db()
{
Subject.ToDB(null).Should().Be(DBNull.Value);
Subject.SetValue(_param, guid);
_param.Value.Should().Be(guid.ToString());
}
[Test]
@ -29,23 +32,13 @@ namespace NzbDrone.Core.Test.Datastore.Converters
{
var guid = Guid.NewGuid();
var context = new ConverterContext
{
DbValue = guid.ToString()
};
Subject.FromDB(context).Should().Be(guid);
Subject.Parse(guid.ToString()).Should().Be(guid);
}
[Test]
public void should_return_empty_guid_for_db_null_value_when_getting_from_db()
{
var context = new ConverterContext
{
DbValue = DBNull.Value
};
Subject.FromDB(context).Should().Be(Guid.Empty);
Subject.Parse(null).Should().Be(Guid.Empty);
}
}
}

58
src/NzbDrone.Core.Test/Datastore/Converters/Int32ConverterFixture.cs
View File

@ -1,58 +0,0 @@
using System;
using FluentAssertions;
using Marr.Data.Converters;
using NUnit.Framework;
using NzbDrone.Core.Datastore.Converters;
using NzbDrone.Core.Test.Framework;
namespace NzbDrone.Core.Test.Datastore.Converters
{
[TestFixture]
public class Int32ConverterFixture : CoreTest<Int32Converter>
{
[Test]
public void should_return_int_when_saving_int_to_db()
{
var i = 5;
Subject.ToDB(i).Should().Be(5);
}
[Test]
public void should_return_int_when_getting_int_from_db()
{
var i = 5;
var context = new ConverterContext
{
DbValue = i
};
Subject.FromDB(context).Should().Be(i);
}
[Test]
public void should_return_int_when_getting_string_from_db()
{
var i = 5;
var context = new ConverterContext
{
DbValue = i.ToString()
};
Subject.FromDB(context).Should().Be(i);
}
[Test]
public void should_return_db_null_for_db_null_value_when_getting_from_db()
{
var context = new ConverterContext
{
DbValue = DBNull.Value
};
Subject.FromDB(context).Should().Be(DBNull.Value);
}
}
}

30
src/NzbDrone.Core.Test/Datastore/Converters/OsPathConverterFixture.cs
View File

@ -1,6 +1,5 @@
using System;
using System.Data.SQLite;
using FluentAssertions;
using Marr.Data.Converters;
using NUnit.Framework;
using NzbDrone.Common.Disk;
using NzbDrone.Core.Datastore.Converters;
@ -12,13 +11,22 @@ namespace NzbDrone.Core.Test.Datastore.Converters
[TestFixture]
public class OsPathConverterFixture : CoreTest<OsPathConverter>
{
private SQLiteParameter _param;
[SetUp]
public void Setup()
{
_param = new SQLiteParameter();
}
[Test]
public void should_return_string_when_saving_os_path_to_db()
{
var path = @"C:\Test\TV".AsOsAgnostic();
var osPath = new OsPath(path);
Subject.ToDB(osPath).Should().Be(path);
Subject.SetValue(_param, osPath);
_param.Value.Should().Be(path);
}
[Test]
@ -27,23 +35,13 @@ namespace NzbDrone.Core.Test.Datastore.Converters
var path = @"C:\Test\TV".AsOsAgnostic();
var osPath = new OsPath(path);
var context = new ConverterContext
{
DbValue = path
};
Subject.FromDB(context).Should().Be(osPath);
Subject.Parse(path).Should().Be(osPath);
}
[Test]
public void should_return_db_null_for_db_null_value_when_getting_from_db()
public void should_return_empty_for_null_value_when_getting_from_db()
{
var context = new ConverterContext
{
DbValue = DBNull.Value
};
Subject.FromDB(context).Should().Be(DBNull.Value);
Subject.Parse(null).IsEmpty.Should().BeTrue();
}
}
}

26
src/NzbDrone.Core.Test/Datastore/Converters/ProviderSettingConverterFixture.cs
View File

@ -1,6 +1,5 @@
using System;
using System.Data.SQLite;
using FluentAssertions;
using Marr.Data.Converters;
using NUnit.Framework;
using NzbDrone.Core.Datastore.Converters;
using NzbDrone.Core.Test.Framework;
@ -8,30 +7,29 @@ using NzbDrone.Core.ThingiProvider;
namespace NzbDrone.Core.Test.Datastore.Converters
{
[Ignore("To reinstate once dapper changes worked out")]
[TestFixture]
public class ProviderSettingConverterFixture : CoreTest<ProviderSettingConverter>
{
private SQLiteParameter _param;
[SetUp]
public void Setup()
{
_param = new SQLiteParameter();
}
[Test]
public void should_return_null_config_if_config_is_null()
{
var result = Subject.FromDB(new ConverterContext()
{
DbValue = DBNull.Value
});
result.Should().Be(NullConfig.Instance);
Subject.Parse(null).Should().Be(NullConfig.Instance);
}
[TestCase(null)]
[TestCase("")]
public void should_return_null_config_if_config_is_empty(object dbValue)
{
var result = Subject.FromDB(new ConverterContext()
{
DbValue = dbValue
});
result.Should().Be(NullConfig.Instance);
Subject.Parse(dbValue).Should().Be(NullConfig.Instance);
}
}
}

Some files were not shown because too many files have changed in this diff Show More