SmiSettersStream.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / Data / Microsoft / SqlServer / Server / SmiSettersStream.cs / 1 / SmiSettersStream.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// [....] 
// [....]
//----------------------------------------------------------------------------- 
 
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); 
        }
    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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