Jo Shields a575963da9 Imported Upstream version 3.6.0
Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14
2014-08-13 10:39:27 +01:00

129 lines
4.2 KiB
C#

//
// Mono.Data.Tds.Protocol.TdsAsyncResult.cs
//
// Author:
// T Sureshkumar <tsureshkumar@novell.com>
// Ankit Jain <radical@corewars.org>
//
// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
//
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
#if NET_2_0
using System;
using System.Threading;
namespace Mono.Data.Tds.Protocol
{
internal class TdsAsyncResult : IAsyncResult
{
private TdsAsyncState _tdsState;
private WaitHandle _waitHandle;
private bool _completed = false;
private bool _completedSyncly = false;
private AsyncCallback _userCallback;
private object _retValue;
private Exception _exception = null;
public TdsAsyncResult (AsyncCallback userCallback, TdsAsyncState tdsState)
{
_tdsState = tdsState;
_userCallback = userCallback;
_waitHandle = new ManualResetEvent (false);
}
public TdsAsyncResult (AsyncCallback userCallback, object state)
{
_tdsState = new TdsAsyncState (state);
_userCallback = userCallback;
_waitHandle = new ManualResetEvent (false);
}
public object AsyncState
{
get { return _tdsState.UserState; }
}
internal TdsAsyncState TdsAsyncState
{
get { return _tdsState; }
}
public WaitHandle AsyncWaitHandle
{
get { return _waitHandle; }
}
public bool IsCompleted
{
get { return _completed; }
}
public bool IsCompletedWithException
{
get { return _exception != null; }
}
public Exception Exception
{
get { return _exception; }
}
public bool CompletedSynchronously
{
get { return _completedSyncly; }
}
internal object ReturnValue
{
get { return _retValue; }
set { _retValue = value; }
}
internal void MarkComplete ()
{
_completed = true;
_exception = null;
((ManualResetEvent)_waitHandle).Set ();
if (_userCallback != null)
_userCallback (this);
}
internal void MarkComplete (Exception e)
{
_completed = true;
_exception = e;
((ManualResetEvent)_waitHandle).Set ();
if (_userCallback != null)
_userCallback (this);
}
}
}
#endif // NET_2_0