mcs/class/referencesource/System.Data.Entity/System/Data/EntityModel/SchemaObjectModel/Property.cs

   1 //---------------------------------------------------------------------
   2 // <copyright file="Property.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;
  12 using System.Collections.Generic;
  13 using System.Collections.Specialized;
  14 using System.Diagnostics;
  15 using System.Xml;
  16 using System.Data;
  17 using System.Data.Metadata.Edm;
  18 using System.Reflection;
  19 using System.IO;
  20 using System.Globalization;
  21
  22 namespace System.Data.EntityModel.SchemaObjectModel
  23 {
  24
  25     internal abstract class Property : SchemaElement
  26     {
  27         /// <summary>
  28         /// Creates a Property object
  29         /// </summary>
  30         /// <param name="parentElement">The parent element</param>
  31         internal Property(StructuredType parentElement)
  32             : base(parentElement)
  33         {
  34         }
  35
  36         /// <summary>
  37         /// Gets the Type of the property
  38         /// </summary>
  39         public abstract SchemaType Type { get;}
  40
  41         protected override bool HandleElement(XmlReader reader)
  42         {
  43             if (base.HandleElement(reader))
  44             {
  45                 return true;
  46             }
  47             else if (Schema.DataModel == SchemaDataModelOption.EntityDataModel)
  48             {
  49                 if (CanHandleElement(reader, XmlConstants.ValueAnnotation))
  50                 {
  51                     // EF does not support this EDM 3.0 element, so ignore it.
  52                     SkipElement(reader);
  53                     return true;
  54                 }
  55                 else if (CanHandleElement(reader, XmlConstants.TypeAnnotation))
  56                 {
  57                     // EF does not support this EDM 3.0 element, so ignore it.
  58                     SkipElement(reader);
  59                     return true;
  60                 }
  61             }
  62             return false;
  63         }
  64     }
  65 }