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<?php |
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namespace Metabor\Statemachine\Factory; |
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use Metabor\Statemachine\Statemachine; |
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use MetaborStd\Semaphore\MutexFactoryInterface; |
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use MetaborStd\Statemachine\Factory\FactoryInterface; |
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use MetaborStd\Statemachine\Factory\ProcessDetectorInterface; |
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use MetaborStd\Statemachine\Factory\StateNameDetectorInterface; |
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use MetaborStd\Statemachine\Factory\TransitionSelectorInterface; |
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/** |
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* @author Oliver Tischlinger |
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*/ |
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class Factory implements FactoryInterface |
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{ |
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/** |
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* @var ProcessDetectorInterface |
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*/ |
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private $processDetector; |
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/** |
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* @var StateNameDetectorInterface |
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*/ |
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private $stateNameDetector; |
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/** |
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* @var \SplObjectStorage|\SplObserver[] |
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*/ |
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private $statemachineObserver; |
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/** |
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* @var TransitionSelectorInterface |
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*/ |
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private $transitonSelector; |
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/** |
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* @var MutexFactoryInterface |
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*/ |
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private $mutexFactory; |
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/** |
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* @param ProcessDetectorInterface $processDetector |
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* @param StateNameDetectorInterface $stateNameDetector |
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*/ |
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public function __construct(ProcessDetectorInterface $processDetector, StateNameDetectorInterface $stateNameDetector = null) |
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{ |
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$this->processDetector = $processDetector; |
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$this->stateNameDetector = $stateNameDetector; |
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$this->statemachineObserver = new \SplObjectStorage(); |
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} |
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/** |
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* @param MutexFactoryInterface $mutexFactory |
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*/ |
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public function setMutexFactory($mutexFactory) |
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{ |
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$this->mutexFactory = $mutexFactory; |
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} |
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/** |
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* @param TransitionSelectorInterface $transitionSelector |
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*/ |
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public function setTransitonSelector(TransitionSelectorInterface $transitionSelector) |
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{ |
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$this->transitonSelector = $transitionSelector; |
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} |
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/** |
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* @param \SplObserver $observer |
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*/ |
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public function attachStatemachineObserver(\SplObserver $observer) |
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{ |
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$this->statemachineObserver->attach($observer); |
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} |
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/** |
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* @param \SplObserver $observer |
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*/ |
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public function detachStatemachineObserver(\SplObserver $observer) |
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{ |
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$this->statemachineObserver->detach($observer); |
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} |
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/** |
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* @return \Traversable |
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*/ |
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public function getStatemachineObserver() |
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{ |
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return $this->statemachineObserver; |
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} |
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/** |
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* @param object $subject |
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* |
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* @return \MetaborStd\Statemachine\StatemachineInterface |
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*/ |
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public function createStatemachine($subject) |
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{ |
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$process = $this->processDetector->detectProcess($subject); |
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if ($this->stateNameDetector) { |
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$stateName = $this->stateNameDetector->detectCurrentStateName($subject); |
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} else { |
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$stateName = null; |
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} |
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if ($this->mutexFactory) { |
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$mutex = $this->mutexFactory->createMutex($subject); |
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} else { |
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$mutex = null; |
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} |
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$statemachine = new Statemachine($subject, $process, $stateName, $this->transitonSelector, $mutex); |
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foreach ($this->statemachineObserver as $observer) { |
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$statemachine->attach($observer); |
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} |
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return $statemachine; |
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} |
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} |
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