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<?php |
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namespace Metabor\Statemachine; |
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use Metabor\Event\Event; |
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use Metabor\KeyValue\Nullable; |
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use Metabor\Named; |
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use Metabor\NamedCollection; |
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use Metabor\Statemachine\Util\ArrayAccessToArrayConverter; |
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use MetaborStd\MetadataInterface; |
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use MetaborStd\Statemachine\StateInterface; |
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use MetaborStd\Statemachine\TransitionInterface; |
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/** |
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* @author Oliver Tischlinger |
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*/ |
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class State extends Named implements StateInterface, \ArrayAccess, MetadataInterface |
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{ |
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/** |
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* @var \SplObjectStorage |
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*/ |
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private $transitions; |
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/** |
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* @var NamedCollection |
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*/ |
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private $events; |
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/** |
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* @var \ArrayAccess |
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*/ |
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private $metadata; |
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/** |
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* @param string $name |
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*/ |
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public function __construct($name) |
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{ |
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parent::__construct($name); |
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$this->transitions = new \SplObjectStorage(); |
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$this->events = new NamedCollection(); |
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$this->metadata = new Nullable(); |
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} |
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/** |
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* @return \Traversable |
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*/ |
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public function getTransitions() |
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{ |
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return clone $this->transitions; |
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} |
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/** |
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* @param TransitionInterface $transition |
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*/ |
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public function addTransition(TransitionInterface $transition) |
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{ |
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$this->transitions->attach($transition); |
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$eventName = $transition->getEventName(); |
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if ($eventName) { |
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$this->getEvent($eventName); |
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} |
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} |
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/** |
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* @see MetaborStd\Statemachine.StateInterface::getEventNames() |
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*/ |
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public function getEventNames() |
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{ |
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return $this->events->getNames(); |
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} |
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/** |
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* @see MetaborStd\Statemachine.StateInterface::hasEvent() |
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*/ |
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public function hasEvent($name) |
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{ |
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return $this->events->has($name); |
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} |
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/** |
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* @see MetaborStd\Statemachine.StateInterface::getEvent() |
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*/ |
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public function getEvent($name) |
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{ |
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if ($this->events->has($name)) { |
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$event = $this->events->get($name); |
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} else { |
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$event = new Event($name); |
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$this->events->add($event); |
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} |
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return $event; |
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} |
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/** |
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* @see ArrayAccess::offsetExists() |
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*/ |
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public function offsetExists($offset) |
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{ |
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return $this->metadata->offsetExists($offset); |
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} |
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/** |
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* @see ArrayAccess::offsetGet() |
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*/ |
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public function offsetGet($offset) |
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{ |
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return $this->metadata->offsetGet($offset); |
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} |
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/** |
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* @see ArrayAccess::offsetSet() |
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*/ |
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public function offsetSet($offset, $value) |
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{ |
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$this->metadata->offsetSet($offset, $value); |
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} |
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/** |
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* @see ArrayAccess::offsetUnset() |
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*/ |
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public function offsetUnset($offset) |
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{ |
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$this->metadata->offsetUnset($offset); |
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} |
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/** |
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* @see \MetaborStd\MetadataInterface::getMetadata() |
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*/ |
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4 |
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public function getMetadata() |
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{ |
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$converter = new ArrayAccessToArrayConverter($this->metadata); |
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return $converter->toArray(); |
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} |
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} |
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Metabor /
Statemachine
