EventDispatcherTrait.php in Feeds 8.3
Namespace
Drupal\feeds\EventFile
src/Event/EventDispatcherTrait.phpView source
<?php
namespace Drupal\feeds\Event;
use Symfony\Component\EventDispatcher\Event;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;
/**
* Wrapper methods for the event dispatcher interface.
*
* If the class is capable of injecting services from the container, it should
* inject the 'event_dispatcher' service and assign it to
* $this->eventDispatcher.
*
* @see \Symfony\Component\EventDispatcher\EventDispatcherInterface
*/
trait EventDispatcherTrait {
/**
* The event dispatcher service.
*
* @var \Symfony\Component\EventDispatcher\EventDispatcherInterface
*/
private $_eventDispatcher;
/**
* Dispatches an event.
*
* @param string $event_name
* The name of the event.
* @param \Symfony\Component\EventDispatcher\Event $event
* The event to dispatch.
*
* @return \Symfony\Component\EventDispatcher\Event
* The invoked event.
*/
protected function dispatchEvent($event_name, Event $event = NULL) {
return $this
->getEventDispatcher()
->dispatch($event_name, $event);
}
/**
* Returns the event dispatcher service.
*
* @return \Symfony\Component\EventDispatcher\EventDispatcherInterface
* The event dispatcher service.
*/
protected function getEventDispatcher() {
if (!isset($this->_eventDispatcher)) {
$this->_eventDispatcher = \Drupal::service('event_dispatcher');
}
return $this->_eventDispatcher;
}
/**
* Sets the event dispatcher service to use.
*
* @param \Symfony\Component\EventDispatcher\EventDispatcherInterface $event_dispatcher
* The string translation service.
*/
public function setEventDispatcher(EventDispatcherInterface $event_dispatcher) {
$this->_eventDispatcher = $event_dispatcher;
}
}
Traits
Name | Description |
---|---|
EventDispatcherTrait | Wrapper methods for the event dispatcher interface. |