Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

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

@@ -0,0 +1,145 @@
+//---------------------------------------------------------------------
+// <copyright file="StorageEndPropertyMapping.cs" company="Microsoft">
+//      Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//
+// @owner       [....]
+// @backupOwner [....]
+//---------------------------------------------------------------------
+
+
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Text;
+using System.Data.Metadata.Edm;
+
+namespace System.Data.Mapping {
+    /// <summary>
+    /// Mapping metadata for End property of an association.
+    /// </summary>
+    /// <example>
+    /// For Example if conceptually you could represent the CS MSL file as following
+    /// --Mapping 
+    ///   --EntityContainerMapping ( CNorthwind-->SNorthwind )
+    ///     --EntitySetMapping
+    ///       --EntityTypeMapping
+    ///         --MappingFragment
+    ///           --EntityKey
+    ///             --ScalarPropertyMap ( CMemberMetadata-->SMemberMetadata )
+    ///           --ScalarPropertyMap ( CMemberMetadata-->SMemberMetadata )
+    ///       --EntityTypeMapping
+    ///         --MappingFragment
+    ///           --EntityKey
+    ///             --ScalarPropertyMap ( CMemberMetadata-->SMemberMetadata )
+    ///           --ComplexPropertyMap
+    ///             --ComplexTypeMapping
+    ///               --ScalarPropertyMap ( CMemberMetadata-->SMemberMetadata )
+    ///               --ScalarProperyMap ( CMemberMetadata-->SMemberMetadata )
+    ///               --DiscriminatorProperyMap ( constant value-->SMemberMetadata )
+    ///             --ComplexTypeMapping
+    ///               --ScalarPropertyMap ( CMemberMetadata-->SMemberMetadata )
+    ///               --ScalarProperyMap ( CMemberMetadata-->SMemberMetadata )
+    ///               --DiscriminatorProperyMap ( constant value-->SMemberMetadata )
+    ///           --ScalarPropertyMap ( CMemberMetadata-->SMemberMetadata )
+    ///     --AssociationSetMapping 
+    ///       --AssociationTypeMapping
+    ///         --MappingFragment
+    ///           --EndPropertyMap
+    ///             --ScalarPropertyMap ( CMemberMetadata-->SMemberMetadata )
+    ///             --ScalarProperyMap ( CMemberMetadata-->SMemberMetadata )
+    ///           --EndPropertyMap
+    ///             --ScalarPropertyMap ( CMemberMetadata-->SMemberMetadata )
+    /// This class represents the metadata for all the end property map elements in the 
+    /// above example. EndPropertyMaps provide mapping for each end of the association.
+    /// </example>
+    internal class StorageEndPropertyMapping : StoragePropertyMapping {
+        #region Constructors
+        /// <summary>
+        /// Construct a new End Property mapping object
+        /// </summary>
+        /// <param name="member"></param>
+        internal StorageEndPropertyMapping(EdmProperty member)
+            : base(member) {
+        }
+        #endregion
+
+        #region Fields
+        /// <summary>
+        /// List of property mappings that make up the End.
+        /// </summary>
+        List<StoragePropertyMapping> m_properties = new List<StoragePropertyMapping>();
+        RelationshipEndMember m_endMember = null;
+        #endregion
+
+        #region Properties
+        /// <summary>
+        /// return ReadOnlyCollection of property mappings that are children of this End mapping
+        /// </summary>
+        internal ReadOnlyCollection<StoragePropertyMapping> Properties {
+            get {
+                return this.m_properties.AsReadOnly();
+            }
+        }
+
+        /// <summary>
+        /// The relation end property Metadata object for which the mapping is represented.
+        /// </summary>
+        internal RelationshipEndMember EndMember {
+            get {
+                return this.m_endMember;
+            }
+            set {
+                this.m_endMember = value;
+            }
+        }
+
+        /// <summary>
+        /// Returns all store properties that are mapped under this mapping fragment
+        /// </summary>
+        internal IEnumerable<EdmMember> StoreProperties
+        {
+            get
+            {
+                return m_properties.OfType<StorageScalarPropertyMapping>().Select((propertyMap => propertyMap.ColumnProperty)).Cast<EdmMember>();
+            }
+        }
+
+        #endregion
+
+        #region Methods
+        /// <summary>
+        /// Add a property mapping as a child of End property mapping
+        /// </summary>
+        /// <param name="prop"></param>
+        internal void AddProperty(StoragePropertyMapping prop) {
+            this.m_properties.Add(prop);
+        }
+
+        /// <summary>
+        /// This method is primarily for debugging purposes.
+        /// Will be removed shortly.
+        /// </summary>
+        /// <param name="index"></param>
+        internal override void Print(int index) {
+            StorageEntityContainerMapping.GetPrettyPrintString(ref index);
+            StringBuilder sb = new StringBuilder();
+            sb.Append("EndPropertyMapping");
+            sb.Append("   ");
+            if (this.EndMember != null) {
+                sb.Append("Name:");
+                sb.Append(this.EndMember.Name);
+                sb.Append("   ");
+                sb.Append("TypeName:");
+                sb.Append(this.EndMember.TypeUsage.EdmType.FullName);
+            }
+            sb.Append("   ");
+            Console.WriteLine(sb.ToString());
+            foreach (StoragePropertyMapping propertyMapping in Properties) {
+                propertyMapping.Print(index + 5);
+            }
+        }
+        #endregion
+    }
+}