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<?php |
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namespace Metabor\Statemachine; |
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use MetaborStd\Event\EventInterface; |
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use MetaborStd\Statemachine\ConditionInterface; |
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use MetaborStd\Statemachine\StateInterface; |
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use MetaborStd\Statemachine\TransitionInterface; |
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use MetaborStd\WeightedInterface; |
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/** |
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* @author Oliver Tischlinger |
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*/ |
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class Transition implements TransitionInterface, WeightedInterface |
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{ |
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/** |
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* @var StateInterface |
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*/ |
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private $targetState; |
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/** |
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* @var string |
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*/ |
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private $eventName; |
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/** |
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* @var ConditionInterface |
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*/ |
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private $condition; |
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/** |
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* @var float |
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*/ |
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private $weight = 1; |
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/** |
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* @param StateInterface $targetState |
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* @param string $eventName |
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* @param ConditionInterface $condition |
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*/ |
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public function __construct(StateInterface $targetState, $eventName = null, ConditionInterface $condition = null) |
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{ |
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$this->targetState = $targetState; |
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$this->eventName = $eventName; |
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$this->condition = $condition; |
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} |
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/** |
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* @see MetaborStd\Statemachine.TransitionInterface::getTargetState() |
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*/ |
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public function getTargetState() |
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{ |
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return $this->targetState; |
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} |
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/** |
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* @see MetaborStd\Statemachine.TransitionInterface::getEventName() |
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*/ |
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public function getEventName() |
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{ |
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return $this->eventName; |
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} |
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/** |
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* @see MetaborStd\Statemachine.TransitionInterface::getConditionName() |
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*/ |
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public function getConditionName() |
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{ |
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if ($this->condition) { |
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return $this->condition->getName(); |
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} |
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} |
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/** |
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* @see MetaborStd\Statemachine.TransitionInterface::isActive() |
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*/ |
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public function isActive($subject, \ArrayAccess $context, EventInterface $event = null) |
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{ |
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if ($event) { |
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$result = ($event->getName() == $this->eventName); |
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} else { |
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$result = is_null($this->eventName); |
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} |
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if ($this->condition) { |
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$result = $result && $this->condition->checkCondition($subject, $context); |
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} |
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return $result; |
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} |
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/** |
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* @return \MetaborStd\Statemachine\ConditionInterface |
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*/ |
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public function getCondition() |
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{ |
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return $this->condition; |
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} |
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/** |
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* @return float |
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*/ |
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public function getWeight() |
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{ |
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return $this->weight; |
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} |
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/** |
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* @param float $weight |
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*/ |
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public function setWeight($weight) |
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{ |
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$this->weight = $weight; |
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} |
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} |
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Metabor /
Statemachine
