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<?php |
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namespace Finite\Event; |
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use Finite\Exception\TransitionException; |
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use Finite\State\StateInterface; |
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use Finite\StateMachine\StateMachine; |
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use Finite\Transition\PropertiesAwareTransitionInterface; |
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use Finite\Transition\TransitionInterface; |
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use Symfony\Component\OptionsResolver\Exception\MissingOptionsException; |
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use Symfony\Component\OptionsResolver\Exception\UndefinedOptionsException; |
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/** |
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* The event object which is thrown on transitions actions |
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* |
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* @author Yohan Giarelli <[email protected]> |
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*/ |
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class TransitionEvent extends StateMachineEvent |
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{ |
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/** |
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* @var TransitionInterface |
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*/ |
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protected $transition; |
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/** |
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* @var boolean |
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*/ |
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protected $transitionRejected = false; |
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/** |
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* @var StateInterface |
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*/ |
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protected $initialState; |
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/** |
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* @var array |
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*/ |
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protected $properties; |
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/** |
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* @param StateInterface $initialState |
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* @param TransitionInterface $transition |
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* @param StateMachine $stateMachine |
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* @param array $properties |
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* |
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* @throws TransitionException |
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*/ |
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public function __construct( |
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StateInterface $initialState, |
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TransitionInterface $transition, |
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StateMachine $stateMachine, |
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array $properties = array() |
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) { |
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$this->transition = $transition; |
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$this->initialState = $initialState; |
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$this->properties = $properties; |
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if ($transition instanceof PropertiesAwareTransitionInterface) { |
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try { |
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$this->properties = $transition->resolveProperties($properties); |
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} catch (MissingOptionsException $e) { |
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throw new TransitionException( |
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'Testing or applying this transition need a parameter. Provide it or set it optional.', |
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$e->getCode(), |
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$e |
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); |
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} catch (UndefinedOptionsException $e) { |
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throw new TransitionException( |
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'You provided an unknown property to test() or apply(). Remove it or declare it in your graph.', |
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$e->getCode(), |
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$e |
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); |
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} |
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} |
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parent::__construct($stateMachine); |
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} |
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/** |
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* @return TransitionInterface |
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*/ |
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public function getTransition() |
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{ |
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return $this->transition; |
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} |
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/** |
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* @return bool |
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*/ |
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public function isRejected() |
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{ |
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return $this->transitionRejected; |
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} |
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public function reject() |
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{ |
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$this->transitionRejected = true; |
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} |
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/** |
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* @return StateInterface |
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*/ |
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public function getInitialState() |
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{ |
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return $this->initialState; |
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} |
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/** |
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* @param string $property |
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* |
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* @return bool |
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*/ |
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public function has($property) |
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{ |
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return array_key_exists($property, $this->properties); |
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} |
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/** |
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* @param string $property |
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* @param mixed $default |
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* |
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* @return mixed |
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*/ |
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public function get($property, $default = null) |
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{ |
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return $this->has($property) ? $this->properties[$property] : $default; |
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} |
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/** |
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* @return array |
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*/ |
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public function getProperties() |
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{ |
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return $this->properties; |
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} |
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} |
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yohang /
Finite
