Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Data/System/Data/SqlClient/TdsParameterSetter.cs

@@ -0,0 +1,68 @@
+//------------------------------------------------------------------------------
+// <copyright file="TdsParameterSetter.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+// <owner current="true" primary="true">[....]</owner>
+// <owner current="true" primary="false">[....]</owner>
+// <owner current="true" primary="false">[....]</owner>
+//------------------------------------------------------------------------------
+
+namespace System.Data.SqlClient {
+    using System;
+    using System.Data;
+    using System.Data.SqlTypes;
+    using System.Diagnostics;
+
+    using Microsoft.SqlServer.Server;
+
+    // Simple Getter/Setter for structured parameters to allow using common ValueUtilsSmi code.
+    //  This is a stand-in to having a true SmiRequestExecutor class for TDS.
+    internal class TdsParameterSetter : SmiTypedGetterSetter {
+
+        #region Private fields
+
+        private TdsRecordBufferSetter _target;
+
+        #endregion
+
+        #region ctor & control
+
+        internal TdsParameterSetter(TdsParserStateObject stateObj, SmiMetaData md) {
+            _target = new TdsRecordBufferSetter(stateObj, md);
+        }
+
+        #endregion
+
+        #region TypedGetterSetter overrides
+        // Are calls to Get methods allowed?
+        internal override bool CanGet {
+            get {
+                return false;
+            }
+        }
+
+        // Are calls to Set methods allowed?
+        internal override bool CanSet {
+            get {
+                return true;
+            }
+        }
+
+        // valid for structured types
+        //  This method called for both get and set.
+        internal override SmiTypedGetterSetter GetTypedGetterSetter(SmiEventSink sink, int ordinal) {
+            Debug.Assert(0==ordinal, "TdsParameterSetter only supports 0 for ordinal.  Actual = " + ordinal);
+            return _target;
+        }
+
+        // Set value to null
+        //  valid for all types
+        public override void SetDBNull(SmiEventSink sink, int ordinal) {
+            Debug.Assert(0==ordinal, "TdsParameterSetter only supports 0 for ordinal.  Actual = " + ordinal);
+
+            _target.EndElements(sink);
+        }
+
+        #endregion
+    }
+}