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<?php |
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/** |
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* @package narrator |
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*/ |
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namespace Mleko\Narrator; |
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class BasicEventBus implements EventBus |
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{ |
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/** @var ListenerResolver */ |
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private $listenerResolver; |
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/** |
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* SimpleEventBus constructor. |
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* @param ListenerResolver $listenerResolver |
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* @param Listener[][] $listeners |
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*/ |
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public function __construct(ListenerResolver $listenerResolver, array $listeners = []) |
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{ |
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$this->listenerResolver = $listenerResolver; |
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foreach ($listeners as $eventName => $eventListeners) { |
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foreach ($eventListeners as $listener) { |
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$this->subscribe($eventName, $listener); |
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} |
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} |
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} |
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/** |
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* @param object $event |
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* @return void |
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*/ |
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public function emit($event) |
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{ |
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$resolvedListeners = $this->listenerResolver->getEventListeners($event, $this); |
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foreach ($resolvedListeners as $resolvedListener) { |
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$resolvedListener->emit($event); |
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} |
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} |
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/** |
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* @param string $eventName |
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* @param Listener $listener |
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* @return Subscription |
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*/ |
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public function subscribe($eventName, Listener $listener) |
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{ |
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return $this->listenerResolver->subscribe($eventName, $listener); |
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} |
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/** |
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* @param string $eventName |
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* @param Listener $listener |
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* @return bool |
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*/ |
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public function unsubscribe($eventName, Listener $listener) |
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{ |
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return $this->listenerResolver->unsubscribe($eventName, $listener); |
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} |
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} |
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mleko /
narrator
