/// <summary>
/// Handle Task close event.
/// Cancel the CancellationToken for data reading operation, then waiting for the signal from Call method.
/// </summary>
/// <param name="closeEvent"></param>
/// <param name="cancellationTokenSource"></param>
internal void HandleEvent(ICloseEvent closeEvent, CancellationTokenSource cancellationTokenSource)
{
cancellationTokenSource.Cancel();
_waitToCloseEvent.Wait();
if (closeEvent.Value.IsPresent())
{
Logger.Log(Level.Info, "The task received close event with message: {0}.", Encoding.UTF8.GetString(closeEvent.Value.Value));
}
else
{
Logger.Log(Level.Info, "The task received close event with no message.");
}
}
/// <summary>
/// Handle Task close event.
/// Cancel the CancellationToken for data reading operation, then waiting for the signal from Call method.
/// </summary>
/// <param name="closeEvent"></param>
/// <param name="cancellationTokenSource"></param>
internal void HandleEvent(ICloseEvent closeEvent, CancellationTokenSource cancellationTokenSource)
{
cancellationTokenSource.Cancel();
_waitToCloseEvent.Wait();
if (closeEvent.Value.IsPresent())
{
Logger.Log(Level.Info, "The task received close event with message: {0}.", Encoding.UTF8.GetString(closeEvent.Value.Value));
}
else
{
Logger.Log(Level.Info, "The task received close event with no message.");
}
}
/// <summary>
/// Handle Task close event.
/// Set _shouldCloseTask to 1 so that to inform the task to stop at the end of the current iteration.
/// Then waiting for the signal from Call method. Either it is signaled or after _enforceCloseTimeoutMilliseconds,
/// If the closed event is sent from driver, checks if the _waitToCloseEvent has been signaled. If not, throw
/// IMRUTaskSystemException to enforce the task to stop.
/// </summary>
/// <param name="closeEvent"></param>
internal void HandleEvent(ICloseEvent closeEvent)
{
Interlocked.Exchange(ref _shouldCloseTask, 1);
var taskSignaled = _waitToCloseEvent.Wait(TimeSpan.FromMilliseconds(_enforceCloseTimeoutMilliseconds));
if (closeEvent.Value.IsPresent())
{
var msg = Encoding.UTF8.GetString(closeEvent.Value.Value);
if (msg.Equals(TaskManager.CloseTaskByDriver))
{
Logger.Log(Level.Info, "The task received close event with message: {0}.", msg);
if (!taskSignaled)
{
throw new IMRUTaskSystemException(TaskManager.TaskKilledByDriver);
}
}
}
else
{
Logger.Log(Level.Warning, "The task received close event with no message.");
}
}
/// <summary>
/// Task close handler. Call TaskCloseCoordinator to handle the event.
/// </summary>
/// <param name="closeEvent"></param>
public void OnNext(ICloseEvent closeEvent)
{
_taskCloseCoordinator.HandleEvent(closeEvent);
}
/// <summary>
/// Task close handler. Calls TaskCloseCoordinator to handle the event.
/// </summary>
/// <param name="closeEvent"></param>
public void OnNext(ICloseEvent closeEvent)
{
_taskCloseCoordinator.HandleEvent(closeEvent, _cancellationSource);
}
public void OnNext(ICloseEvent value)
{
Dispose();
}
/// <summary>
/// Handler for CloseEvent.
/// </summary>
/// <param name="closeEvent"></param>
public void OnNext(ICloseEvent closeEvent)
{
Log.Log(Level.Info, "NoopTask.TaskCloseHandler.OnNext() invoked.");
Dispose();
}