private void ProcessRequests()
{
while (true)
{
//This loop repeats for every one floor movement
if (_requestQueue.Count == 0)
{
//Wait when no request until signaled
_newRequestSignaling.Reset();
_newRequestSignaling.WaitOne();
}
if (ElevatorState.Stopped == State)
{
ElevatorRequest elevatorRequest = _requestQueue.Peek();
if (elevatorRequest.DestinationFloor > CurrentFloor)
{
_stateMachine.Fire(ElevatorTrigger.GoUp);
}
else if (elevatorRequest.DestinationFloor < CurrentFloor)
{
_stateMachine.Fire(ElevatorTrigger.GoDown);
}
else if (elevatorRequest.DestinationFloor == CurrentFloor)
{
OpenDoors();
}
}
MoveToNextFloor();
}
}
private void OpenDoors()
{
lock (_requestQueue)
{
ElevatorRequest currentFloorDestinationRequest = _requestQueue.FirstOrDefault(request => request.DestinationFloor == _floors[CurrentFloor].FloorNumber);
if (currentFloorDestinationRequest != null)
{
_requestQueue.Remove(currentFloorDestinationRequest);
Task.Factory.StartNew((callback) => ((ElevatorCallback)(callback))(this), currentFloorDestinationRequest.DoorsOpenedAtDestinationFloor);
}
}
_stateMachine.Fire(ElevatorTrigger.OpenDoors);
}