mcs/class/referencesource/System.Data.Entity/System/Data/Metadata/Edm/AssociationEndMember.cs

   1 //---------------------------------------------------------------------
   2 // <copyright file="AssociationEndMember.cs" company="Microsoft">
   3 //      Copyright (c) Microsoft Corporation.  All rights reserved.
   4 // </copyright>
   5 //
   6 // @owner       Microsoft
   7 // @backupOwner Microsoft
   8 //---------------------------------------------------------------------
   9
  10 using System;
  11 using System.Collections.Generic;
  12 using System.Text;
  13 using System.Threading;
  14 using System.Data.Objects.DataClasses;
  15
  16 namespace System.Data.Metadata.Edm
  17 {
  18     /// <summary>
  19     /// Represents a end of a Association Type
  20     /// </summary>
  21     public sealed class AssociationEndMember : RelationshipEndMember
  22     {
  23         #region Constructors
  24         /// <summary>
  25         /// Initializes a new instance of AssociationEndMember
  26         /// </summary>
  27         /// <param name="name">name of the association end member</param>
  28         /// <param name="endRefType">Ref type that this end refers to </param>
  29         /// <param name="multiplicity">multiplicity of the end</param>
  30         internal AssociationEndMember(string name,
  31                                     RefType endRefType,
  32                                     RelationshipMultiplicity multiplicity)
  33             : base(name, endRefType, multiplicity)
  34         {
  35         }
  36         #endregion
  37
  38         /// <summary>
  39         /// Returns the kind of the type
  40         /// </summary>
  41         public override BuiltInTypeKind BuiltInTypeKind { get { return BuiltInTypeKind.AssociationEndMember; } }
  42
  43         private Func<RelationshipManager, RelatedEnd, RelatedEnd> _getRelatedEndMethod = null;
  44
  45         /// <summary>cached dynamic method to set a CLR property value on a CLR instance</summary>
  46         internal Func<RelationshipManager, RelatedEnd, RelatedEnd> GetRelatedEnd
  47         {
  48             get { return _getRelatedEndMethod; }
  49             set
  50             {
  51                 System.Diagnostics.Debug.Assert(null != value, "clearing GetRelatedEndMethod");
  52                 // It doesn't matter which delegate wins, but only one should be jitted
  53                 Interlocked.CompareExchange(ref _getRelatedEndMethod, value, null);
  54             }
  55         }
  56
  57     }
  58 }