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<?php |
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namespace Psi\Component\ObjectAgent; |
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use Psi\Component\ObjectAgent\Event\ObjectEvent; |
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use Psi\Component\ObjectAgent\Query\Query; |
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use Symfony\Component\EventDispatcher\EventDispatcherInterface; |
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use Psi\Component\ObjectAgent\Capabilities; |
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class EventDispatchingAgent implements AgentInterface |
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{ |
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private $dispatcher; |
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private $agent; |
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public function __construct( |
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AgentInterface $agent, |
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EventDispatcherInterface $dispatcher |
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) { |
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$this->agent = $agent; |
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$this->dispatcher = $dispatcher; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getCapabilities(): Capabilities |
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{ |
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return $this->agnet->getCapabilities(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function find($identifier, string $class = null) |
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{ |
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return $this->agent->find($identifier, $class); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function save($object) |
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{ |
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$this->dispatch(Events::PRE_SAVE, $object); |
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$this->agent->save($object); |
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$this->dispatch(Events::POST_SAVE, $object); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function query(Query $query): \Traversable |
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{ |
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return $this->agent->query($query); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function delete($object) |
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{ |
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$this->dispatch(Events::PRE_DELETE, $object); |
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$this->agent->delete($object); |
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$this->dispatch(Events::POST_DELETE, $object); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getIdentifier($object) |
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{ |
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return $this->agent->getIdentifier($object); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function supports(string $class): bool |
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{ |
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return $this->agent->supports($class); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setParent($object, $parent) |
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{ |
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return $this->agent->setParent($object, $parent); |
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} |
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private function dispatch(string $eventName, $object) |
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{ |
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$this->dispatcher->dispatch($eventName, new ObjectEvent($this->agent, $object)); |
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} |
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} |
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psiphp /
object-agent
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: