Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Data/Microsoft/SqlServer/Server/SmiSettersStream.cs

@@ -0,0 +1,94 @@
+//------------------------------------------------------------------------------
+// <copyright file="SmiSettersStream.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+// <owner current="true" primary="true">[....]</owner>
+// <owner current="true" primary="false">[....]</owner>
+//------------------------------------------------------------------------------
+
+namespace Microsoft.SqlServer.Server {
+    using System;
+    using System.Data.Common;
+    using System.Data.SqlClient;
+    using System.Diagnostics;
+    using System.IO;
+
+    internal class SmiSettersStream : Stream {
+
+        private SmiEventSink_Default    _sink;
+        private ITypedSettersV3         _setters;
+        private int                     _ordinal;
+        private long                    _lengthWritten;
+        private SmiMetaData             _metaData;
+
+        internal SmiSettersStream( SmiEventSink_Default sink, ITypedSettersV3 setters, int ordinal, SmiMetaData metaData ) {
+            Debug.Assert( null != sink );
+            Debug.Assert( null != setters );
+            Debug.Assert( 0 <= ordinal );
+            Debug.Assert( null != metaData );
+
+            _sink = sink;
+            _setters = setters;
+            _ordinal = ordinal;
+            _lengthWritten = 0;
+            _metaData = metaData;
+        }
+
+        public override bool CanRead {
+            get {
+                return false;
+            }
+        }
+
+        // If CanSeek is false, Position, Seek, Length, and SetLength should throw.
+        public override bool CanSeek {
+            get {
+                return false;
+            }
+        }
+
+        public override bool CanWrite {
+            get {
+                return true;
+            }
+        }
+
+        public override long Length {
+            get {
+                return _lengthWritten;
+            }
+        }
+
+        public override long Position {
+            get {
+                return _lengthWritten;
+            }
+            set {
+                throw SQL.StreamSeekNotSupported();
+            }
+        }
+
+        public override void Flush() {
+            _lengthWritten = ValueUtilsSmi.SetBytesLength(_sink, _setters, _ordinal, _metaData, _lengthWritten);
+        }
+
+        public override long Seek(long offset, SeekOrigin origin) {
+            throw SQL.StreamSeekNotSupported();
+        }
+
+        public override void SetLength(long value) {
+            if ( value < 0 ) {
+                throw ADP.ArgumentOutOfRange("value");
+            }
+            ValueUtilsSmi.SetBytesLength(_sink, _setters, _ordinal, _metaData, value);
+        }
+
+        public override int Read(byte[] buffer, int offset, int count) {
+            throw SQL.StreamReadNotSupported();
+        }
+
+        public override void Write(byte[] buffer, int offset, int count) {
+            _lengthWritten += ValueUtilsSmi.SetBytes(_sink, _setters, _ordinal, _metaData, _lengthWritten, buffer, offset, count);
+        }
+    }
+}