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