//
// System.Data.SqlClient.SqlAsyncResult.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 System.Data.SqlClient{
internal class SqlAsyncResult : IAsyncResult
{
private SqlAsyncState _sqlState;
private WaitHandle _waitHandle;
private bool _completed = false;
private bool _completedSyncly = false;
private bool _ended = false;
private AsyncCallback _userCallback = null;
private object _retValue;
private string _endMethod;
private IAsyncResult _internal;
public SqlAsyncResult (AsyncCallback userCallback, SqlAsyncState sqlState)
{
_sqlState = sqlState;
_userCallback = userCallback;
_waitHandle = new ManualResetEvent (false);
}
public SqlAsyncResult (AsyncCallback userCallback, object state)
{
_sqlState = new SqlAsyncState (state);
_userCallback = userCallback;
_waitHandle = new ManualResetEvent (false);
}
public object AsyncState
{
get { return _sqlState.UserState; }
}
internal SqlAsyncState SqlAsyncState
{
get { return _sqlState; }
}
public WaitHandle AsyncWaitHandle
{
get { return _waitHandle; }
}
public bool IsCompleted
{
get { return _completed; }
}
public bool CompletedSynchronously
{
get { return _completedSyncly; }
}
internal object ReturnValue
{
get { return _retValue; }
set { _retValue = value; }
}
public string EndMethod
{
get { return _endMethod; }
set { _endMethod = value; }
}
public bool Ended
{
get { return _ended; }
set { _ended = value; }
}
internal IAsyncResult InternalResult
{
get { return _internal; }
set { _internal = value; }
}
public AsyncCallback BubbleCallback
{
get { return new AsyncCallback (Bubbleback); }
}
internal void MarkComplete ()
{
_completed = true;
((ManualResetEvent)_waitHandle).Set ();
if (_userCallback != null)
_userCallback (this);
}
public void Bubbleback (IAsyncResult ar)
{
this.MarkComplete ();
}
}
}
#endif // NET_2_0
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