mcs/class/referencesource/System.Data.Entity/System/Data/Mapping/ObjectMemberMapping.cs

   1 //---------------------------------------------------------------------
   2 // <copyright file="ObjectMemberMapping.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.Xml;
  14 using System.Data.Metadata.Edm;
  15
  16 namespace System.Data.Mapping {
  17     /// <summary>
  18     /// Mapping metadata for all OC member maps.
  19     /// </summary>
  20     internal abstract class ObjectMemberMapping
  21     {
  22         #region Constructors
  23         /// <summary>
  24         /// Constrcut a new member mapping metadata object
  25         /// </summary>
  26         /// <param name="edmMember"></param>
  27         /// <param name="clrMember"></param>
  28         protected ObjectMemberMapping(EdmMember edmMember, EdmMember clrMember)
  29         {
  30             System.Diagnostics.Debug.Assert(edmMember.BuiltInTypeKind == clrMember.BuiltInTypeKind, "BuiltInTypeKind must be the same");
  31             this.m_edmMember = edmMember;
  32             this.m_clrMember = clrMember;
  33         }
  34         #endregion
  35
  36         #region Fields
  37         #region Internal
  38         EdmMember m_edmMember;  //EdmMember metadata representing the Cdm member for which the mapping is specified
  39         EdmMember m_clrMember;  //EdmMember metadata representing the Clr member for which the mapping is specified
  40         #endregion
  41         #endregion
  42
  43         #region Properties
  44         /// <summary>
  45         /// The PropertyMetadata object that represents the Cdm member for which mapping is being specified
  46         /// </summary>
  47         internal EdmMember EdmMember
  48         {
  49             get
  50             {
  51                 return this.m_edmMember;
  52             }
  53         }
  54
  55         /// <summary>
  56         /// The PropertyMetadata object that represents the Clr member for which mapping is being specified
  57         /// </summary>
  58         internal EdmMember ClrMember
  59         {
  60             get
  61             {
  62                 return this.m_clrMember;
  63             }
  64         }
  65
  66         /// <summary>
  67         /// Returns the member mapping kind
  68         /// </summary>
  69         internal abstract MemberMappingKind MemberMappingKind { get; }
  70         #endregion
  71     }
  72
  73     /// <summary>
  74     /// Represents the various kind of member mapping
  75     /// </summary>
  76     internal enum MemberMappingKind
  77     {
  78         ScalarPropertyMapping = 0,
  79
  80         NavigationPropertyMapping = 1,
  81
  82         AssociationEndMapping =2,
  83
  84         ComplexPropertyMapping = 3,
  85     }
  86 }