def scan(self): ''' scan the queues and create pairs of vehicle--event ''' # reload work, reload when get device signal # for vehicle in self._vehicles.getIdleAndEmptyVehicles(): # TaskManager.createReloadTask(vehicle) for vehicle in self._vehicles.getIdleAndFullVehicles(): TaskManager.createDropTask(vehicle) # normal work for queue in self._queues: # no event if len(queue) == 0: continue # check event nearby vehicle TODO # evt = queue[0] vehicle = self._vehicles.getAvailableVehicleByEvent(evt) # no available vehicle if None == vehicle: continue queue.popleft() TaskManager.createNormalTask(evt, vehicle)