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