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<?php |
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namespace ByTIC\EventDispatcher\Dispatcher\Traits; |
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use ByTIC\EventDispatcher\Queue\Dispatcher\QueuedListenerTrait; |
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use Closure; |
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use Nip\Utility\Str; |
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/** |
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* Trait MakeListenerTrait |
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* @package ByTIC\EventDispatcher\Dispatcher\Traits |
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*/ |
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trait MakeListenerTrait |
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{ |
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use QueuedListenerTrait; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function addListener(string $eventName, $listener, int $priority = 0) |
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{ |
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$listener = $this->makeListener($listener); |
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parent::addListener($eventName, $listener, $priority); |
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} |
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/** |
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* Register an event listener with the dispatcher. |
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* |
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* @param Closure|string|array $listener |
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* @return Closure |
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*/ |
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public function makeListener($listener): Closure |
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{ |
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if (is_string($listener) || is_array($listener)) { |
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return $this->createClassListener($listener); |
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} |
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if (is_object($listener)) { |
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return $this->createObjectListener($listener); |
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} |
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return function ($event) use ($listener) { |
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return $listener($event); |
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}; |
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} |
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/** |
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* Create a class based listener using the IoC container. |
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* |
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* @param string $listener |
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* @return Closure |
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*/ |
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protected function createClassListener($listener): Closure |
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{ |
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return function ($event) use ($listener) { |
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return call_user_func_array( |
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$this->createClassCallable($listener), |
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[$event] |
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); |
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}; |
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} |
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/** |
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* @param $listener |
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* @return Closure |
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*/ |
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protected function createObjectListener($listener): Closure |
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{ |
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return function ($event) use ($listener) { |
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return $listener($event); |
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}; |
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} |
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/** |
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* Create the class based event callable. |
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* |
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* @param string|array $listener |
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* @return callable |
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*/ |
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protected function createClassCallable($listener) |
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{ |
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[$class, $method] = $this->parseClassCallable($listener); |
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if ($this->handlerShouldBeQueued($class)) { |
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return $this->createQueuedHandlerCallable($class, $method); |
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} |
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$listenerObject = is_object($class) ? $class : app($class); |
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return [$listenerObject, $method]; |
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} |
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/** |
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* Parse the class listener into class and method. |
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* |
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* @param string|array $listener |
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* @return array |
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*/ |
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protected function parseClassCallable($listener) |
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{ |
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if (is_array($listener)) { |
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return $listener; |
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} |
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return Str::parseCallback($listener, 'handle'); |
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} |
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} |
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bytic /
event-dispatcher
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