/// <summary>
/// Dispose an exising SimpleDispatcher and stop running executables.
/// </summary>
public virtual void Stop()
{
lock (_runLock)
{
if (!IsRunning)
{
return;
}
_dispatcher.Dispose();
IsRunning = false;
lock (_updateLock)
{
while (_liveExecutables.Any())
{
var executable = _liveExecutables.First().Value;
RemoveExecutableFromRunningList(executable);
if (executable is IActivityMachine)
{
(executable as IActivityMachine).EmergencyQuit();
}
}
while (_delayedMachines.Any())
{
var machine = _delayedMachines.First();
RemoveMachineFromDelayedList(machine);
machine.Quit();
}
}
}
}
private void Dispose()
{
lock (_disposeLock)
{
if (_disposed)
{
return;
}
_disposed = true;
}
if (_dispatcher != null)
{
_dispatcher.Dispose();
}
_dispatcher = null;
try
{
_waitForFinishEvent.Dispose();
}
catch (ObjectDisposedException)
{
//nothing to do. wait handle was disposed
}
LogService.Log(LogType.System, LogMessageType.Debug, GetType().Name,
string.Format(CultureInfo.InvariantCulture, "{0} is disposed.", Name));
}
protected void Teardown()
{
// Only dispose the dispatcher if it was created here.
if (_hasLocalDispatcher)
{
// We are here because the FinalNode's ExitBehavior is running on the Dispatcher.
// Attempting to dispose of the Dispatcher from the final executable using the Dispatcher's
// own thread will cause the Dispatcher to kill (abort) it's thread.
// That thread abort can be avoided by giving the Dispatcher cleanup to a different thread,
// which allows the currently executing ExitBehavior to finish cleanly first.
Task.Factory.StartNew(() =>
{
LogService.Log(LogType, LogMessageType.Debug, GetType().Name, "Waiting for local dispatcher '" + Name + "' to be empty.");
_dispatcher.WaitUntilDone();
LogService.Log(LogType, LogMessageType.Debug, GetType().Name, "'" + Name + "' is disposing.");
// We are now completely done with the dispatcher.
_dispatcher.Dispose();
_dispatcher = null;
});
}
try
{
_finishedEvent.Dispose();
}
catch (ObjectDisposedException)
{
// reset event was disposed
}
//Dispose the UML nodes
DisposeNodes(InitialNode);
if (FinalNode != null)
{
// THIS MAY BE A PROBLEM if SimpleDispatcher is made to dispose IExecutables after executing them.
FinalNode.Dispose();
}
Dispose();
}
