Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

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

@@ -0,0 +1,103 @@
+//---------------------------------------------------------------------
+// <copyright file="MappingItemCollection.cs" company="Microsoft">
+//      Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//
+// @owner       [....]
+// @backupOwner [....]
+//---------------------------------------------------------------------
+
+namespace System.Data.Mapping
+{
+    using System;
+    using System.Data.Metadata.Edm;
+
+    /// <summary>
+    /// Class for representing a collection of mapping items in Edm space.
+    /// </summary>
+    [CLSCompliant(false)]
+    public abstract class MappingItemCollection : ItemCollection
+    {
+        /// <summary>
+        /// The default constructor for ItemCollection
+        /// </summary>
+        internal MappingItemCollection(DataSpace dataSpace) : base(dataSpace)
+        {
+        }
+
+        /// <summary>
+        /// Search for a Mapping metadata with the specified type key.
+        /// </summary>
+        /// <param name="identity">identity of the type</param>
+        /// <param name="typeSpace">The dataspace that the type for which map needs to be returned belongs to</param>
+        /// <param name="map"></param>
+        /// <returns>Returns false if no match found.</returns>
+        internal virtual bool TryGetMap(string identity, DataSpace typeSpace, out Map map)
+        {
+            //will only be implemented by Mapping Item Collections
+            throw System.Data.Entity.Error.NotSupported();
+        }
+
+        /// <summary>
+        /// Search for a Mapping metadata with the specified type key.
+        /// </summary>
+        /// <param name="item"></param>
+        internal virtual Map GetMap(GlobalItem item)
+        {
+            //will only be implemented by Mapping Item Collections
+            throw System.Data.Entity.Error.NotSupported();
+        }
+
+        /// <summary>
+        /// Search for a Mapping metadata with the specified type key.
+        /// </summary>
+        /// <param name="item"></param>
+        /// <param name="map"></param>
+        /// <returns>Returns false if no match found.</returns>
+        internal virtual bool TryGetMap(GlobalItem item, out Map map)
+        {
+            //will only be implemented by Mapping Item Collections
+            throw System.Data.Entity.Error.NotSupported();
+        }
+
+        /// <summary>
+        /// Search for a Mapping metadata with the specified type key.
+        /// </summary>
+        /// <param name="identity">identity of the type</param>
+        /// <param name="typeSpace">The dataspace that the type for which map needs to be returned belongs to</param>
+        /// <param name="ignoreCase">true for case-insensitive lookup</param>
+        /// <exception cref="ArgumentException"> Thrown if mapping space is not valid</exception>
+        internal virtual Map GetMap(string identity, DataSpace typeSpace, bool ignoreCase)
+        {
+            //will only be implemented by Mapping Item Collections
+            throw System.Data.Entity.Error.NotSupported();
+        }
+
+        /// <summary>
+        /// Search for a Mapping metadata with the specified type key.
+        /// </summary>
+        /// <param name="identity">identity of the type</param>
+        /// <param name="typeSpace">The dataspace that the type for which map needs to be returned belongs to</param>
+        /// <param name="ignoreCase">true for case-insensitive lookup</param>
+        /// <param name="map"></param>
+        /// <returns>Returns false if no match found.</returns>
+        internal virtual bool TryGetMap(string identity, DataSpace typeSpace, bool ignoreCase, out Map map)
+        {
+            //will only be implemented by Mapping Item Collections
+            throw System.Data.Entity.Error.NotSupported();
+        }
+
+        /// <summary>
+        /// Search for a Mapping metadata with the specified type key.
+        /// </summary>
+        /// <param name="identity">identity of the type</param>
+        /// <param name="typeSpace">The dataspace that the type for which map needs to be returned belongs to</param>
+        /// <exception cref="ArgumentException"> Thrown if mapping space is not valid</exception>
+        internal virtual Map GetMap(string identity, DataSpace typeSpace)
+        {
+            //will only be implemented by Mapping Item Collections
+            throw System.Data.Entity.Error.NotSupported();
+        }
+    }//---- ItemCollection
+
+}//----