138 lines
4.5 KiB
C#
138 lines
4.5 KiB
C#
//
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// System.Data.SqlClient.SqlAsyncResult.cs
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//
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// Author:
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// T Sureshkumar <tsureshkumar@novell.com>
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// Ankit Jain <radical@corewars.org>
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//
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//
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// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
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//
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Threading;
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namespace System.Data.SqlClient
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{
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internal class SqlAsyncResult : IAsyncResult
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{
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private SqlAsyncState _sqlState;
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private WaitHandle _waitHandle;
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private bool _completed = false;
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private bool _completedSyncly = false;
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private bool _ended = false;
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private AsyncCallback _userCallback = null;
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private object _retValue;
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private string _endMethod;
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private IAsyncResult _internal;
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public SqlAsyncResult (AsyncCallback userCallback, SqlAsyncState sqlState)
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{
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_sqlState = sqlState;
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_userCallback = userCallback;
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_waitHandle = new ManualResetEvent (false);
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}
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public SqlAsyncResult (AsyncCallback userCallback, object state)
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{
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_sqlState = new SqlAsyncState (state);
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_userCallback = userCallback;
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_waitHandle = new ManualResetEvent (false);
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}
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public object AsyncState
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{
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get { return _sqlState.UserState; }
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}
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internal SqlAsyncState SqlAsyncState
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{
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get { return _sqlState; }
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}
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public WaitHandle AsyncWaitHandle
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{
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get { return _waitHandle; }
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}
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public bool IsCompleted
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{
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get { return _completed; }
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}
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public bool CompletedSynchronously
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{
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get { return _completedSyncly; }
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}
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internal object ReturnValue
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{
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get { return _retValue; }
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set { _retValue = value; }
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}
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public string EndMethod
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{
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get { return _endMethod; }
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set { _endMethod = value; }
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}
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public bool Ended
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{
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get { return _ended; }
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set { _ended = value; }
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}
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internal IAsyncResult InternalResult
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{
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get { return _internal; }
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set { _internal = value; }
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}
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public AsyncCallback BubbleCallback
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{
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get { return new AsyncCallback (Bubbleback); }
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}
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internal void MarkComplete ()
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{
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_completed = true;
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((ManualResetEvent)_waitHandle).Set ();
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if (_userCallback != null)
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_userCallback (this);
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}
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public void Bubbleback (IAsyncResult ar)
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{
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this.MarkComplete ();
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}
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}
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}
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