public Buffer(bool readerWait)
{
this.writer = CreateWriter();
this.readerWait = readerWait;
if (readerWait)
{
light = new LightObject(null, true, false, IntPtr.Zero, null);
}
}
protected override void ClearUnmanagedResources()
{
if (timeoutObserver != null)
{
timeoutObserver.Stop();
timeoutObserver = null;
}
if (light != null)
{
light.Dispose();
light = null;
}
}
/// <summary>
/// 异步方式执行活动。
/// </summary>
/// <param name="bWaitForComplete"></param>
/// <returns></returns>
public ActionExecuteResult AsyncExecute(bool bWaitForComplete)
{
try
{
ResetRuntimeData();
_state = ActionState.Processing;
_activateTime = DateTime.Now;
if (bWaitForComplete)
{
light = new LightObject(Guid.NewGuid().ToString("N"), false, false, IntPtr.Zero, null);
InnerExecute();
WaitResult waitResult = light.Wait(_executeTimeout, false);
if (waitResult == WaitResult.TimeOut)
{
ActionTimout();
}
light.Dispose();
light = null;
return new ActionExecuteResult(resultEventArgs, faultEventArgs);
}
else
{
if (_executeTimeout > 0)
{
this.timeoutObserver = new TimeoutObserver();
this.timeoutObserver.OnTick += new EventHandler(timeoutObserver_OnTick);
this.timeoutObserver.Execute(_executeTimeout);
}
InnerExecute();
return null;
}
}
catch (Exception ex)
{
Fault(ActionErrorCodes.UNKNOWN_ERROR, ex);
if (bWaitForComplete)
{
return new ActionExecuteResult(resultEventArgs, faultEventArgs);
}
else
{
return null;
}
}
}
public void Dispose()
{
if (light != null)
{
//ȡ��//
Cancel(true);
//�źŵ�����//
light.Dispose();
light = null;
}
}