Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/System.Data.Entity/System/Data/EntityModel/SchemaObjectModel/Property.cs

@@ -0,0 +1,65 @@
+//---------------------------------------------------------------------
+// <copyright file="Property.cs" company="Microsoft">
+//      Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//
+// @owner       [....]
+// @backupOwner [....]
+//---------------------------------------------------------------------
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.Specialized;
+using System.Diagnostics;
+using System.Xml;
+using System.Data;
+using System.Data.Metadata.Edm;
+using System.Reflection;
+using System.IO;
+using System.Globalization;
+
+namespace System.Data.EntityModel.SchemaObjectModel
+{
+
+    internal abstract class Property : SchemaElement
+    {
+        /// <summary>
+        /// Creates a Property object
+        /// </summary>
+        /// <param name="parentElement">The parent element</param>
+        internal Property(StructuredType parentElement)
+            : base(parentElement)
+        {
+        }
+
+        /// <summary>
+        /// Gets the Type of the property
+        /// </summary>
+        public abstract SchemaType Type { get;}
+
+        protected override bool HandleElement(XmlReader reader)
+        {
+            if (base.HandleElement(reader))
+            {
+                return true;
+            }
+            else if (Schema.DataModel == SchemaDataModelOption.EntityDataModel)
+            {
+                if (CanHandleElement(reader, XmlConstants.ValueAnnotation))
+                {
+                    // EF does not support this EDM 3.0 element, so ignore it.
+                    SkipElement(reader);
+                    return true;
+                }
+                else if (CanHandleElement(reader, XmlConstants.TypeAnnotation))
+                {
+                    // EF does not support this EDM 3.0 element, so ignore it.
+                    SkipElement(reader);
+                    return true;
+                }
+            }
+            return false;
+        }
+    }
+}