private void Retry(TransportOperationMachine startingPoint)
{
LogService.Log(LogType.System, LogMessageType.Debug, GetType().Name,
string.Format(CultureInfo.InvariantCulture, "Retrying Tray move at '{0}'.", startingPoint.Station.Name));
NumberOfRetries--;
// Dispose of the old machines.
DisposeSubmachines();
// Create new first machine to execute.
InitializeSubmachine(startingPoint.Operation);
// Restart execution of whichever machine died, but don't raise the Started event.
switch (startingPoint.Operation)
{
case TransportOperation.BeginPickup:
BeginPickupMachine.Execute();
break;
case TransportOperation.CompletePickup:
CompletePickupMachine.Execute();
break;
case TransportOperation.BeginDropoff:
BeginDropoffMachine.Execute();
break;
case TransportOperation.CompleteDropoff:
CompleteDropoffMachine.Execute();
break;
}
}
public void SafeStop()
{
lock (_subMachineLock)
{
if (_isComplete || IsStopped)
{
return;
}
if (CurrentOperation == TransportOperation.BeginPickup || CurrentOperation == TransportOperation.CompletePickup)
{
// In this case, the drop-off machines won't be built or executed.
IsStopped = true;
// It is not necessary to stop either pick-up machine, since they do not allow stopping internally.
}
// Communicate to drop-off sub-machines that this was stopped. Only BeginDropoff
// will interrupt an actual move. CompleteDropoff will recover.
else if (BeginDropoffMachine != null)
{
BeginDropoffMachine.Stop();
// BeginDropoff may have ignored the stop attempt, in which case TrayMover is not stopped.
IsStopped = BeginDropoffMachine.IsStopped;
}
LogService.Log(LogType.System, LogMessageType.Debug, GetType().Name,
string.Format(CultureInfo.InvariantCulture, "Stopping {0} was {1}.", Name, (IsStopped ? "successful" : "not allowed")));
}
}
