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45 lines
2.2 KiB
C#
45 lines
2.2 KiB
C#
//---------------------------------------------------------------------
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// <copyright file="RelationshipFixer.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//
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// @owner Microsoft
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// @backupOwner Microsoft
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//---------------------------------------------------------------------
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using System.Data.Metadata.Edm;
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namespace System.Data.Objects.DataClasses
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{
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[Serializable]
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internal class RelationshipFixer<TSourceEntity, TTargetEntity> : IRelationshipFixer
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where TSourceEntity : class
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where TTargetEntity : class
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{
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// The following fields are serialized. Adding or removing a serialized field is considered
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// a breaking change. This includes changing the field type or field name of existing
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// serialized fields. If you need to make this kind of change, it may be possible, but it
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// will require some custom serialization/deserialization code.
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RelationshipMultiplicity _sourceRoleMultiplicity;
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RelationshipMultiplicity _targetRoleMultiplicity;
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internal RelationshipFixer(RelationshipMultiplicity sourceRoleMultiplicity, RelationshipMultiplicity targetRoleMultiplicity)
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{
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_sourceRoleMultiplicity = sourceRoleMultiplicity;
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_targetRoleMultiplicity = targetRoleMultiplicity;
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}
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/// <summary>
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/// Used during relationship fixup when the source end of the relationship is not
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/// yet in the relationships list, and needs to be created
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/// </summary>
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/// <param name="navigation">RelationshipNavigation to be set on new RelatedEnd</param>
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/// <param name="relationshipManager">RelationshipManager to use for creating the new end</param>
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/// <returns>Reference to the new collection or reference on the other end of the relationship</returns>
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RelatedEnd IRelationshipFixer.CreateSourceEnd(RelationshipNavigation navigation, RelationshipManager relationshipManager)
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{
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return relationshipManager.CreateRelatedEnd<TTargetEntity, TSourceEntity>(navigation, _targetRoleMultiplicity, _sourceRoleMultiplicity, /*existingRelatedEnd*/ null);
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}
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}
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}
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