/** * Sets the exit action to the state. * * @param string $stateId * @param callback $action * * @throws ActionNotCallableException * @throws StateNotFoundException */ public function setExitAction($stateId, $action) { $state = $this->stateMachine->getState($stateId); if ($state === null) { throw new StateNotFoundException(sprintf('The state "%s" is not found in the state machine "%s".', $stateId, $this->stateMachine->getStateMachineId())); } if (!is_callable($action)) { throw new ActionNotCallableException(sprintf('The action for the event "%s" in the state "%s" is not callable.', EventInterface::EVENT_EXIT, $stateId)); } $state->getEvent(EventInterface::EVENT_EXIT)->setAction($action); }
/** * Adds an state transition to the state machine. * * @param string $stateId * @param string $eventId * @param string $nextStateId * * @throws StateNotFoundException */ public function addTransition($stateId, $eventId, $nextStateId) { $state = $this->stateMachine->getState($stateId); if ($state === null) { throw new StateNotFoundException(sprintf('The state "%s" is not found.', $stateId)); } $event = $state->getEvent($eventId); if ($event === null) { $event = new TransitionEvent($eventId); } $nextState = $this->stateMachine->getState($nextStateId); if ($nextState === null) { throw new StateNotFoundException(sprintf('The state "%s" is not found.', $nextStateId)); } $this->stateMachine->addTransition(new Transition($nextState, $state, $event)); }