* This file is part of the Symfony package.
* (c) Fabien Potencier <fabien@symfony.com>
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
namespace Symfony\Component\EventDispatcher;
* A read-only proxy for an event dispatcher.
* @author Bernhard Schussek <bschussek@gmail.com>
class ImmutableEventDispatcher implements EventDispatcherInterface
public function __construct(EventDispatcherInterface $dispatcher)
$this->dispatcher = $dispatcher;
public function dispatch($eventName, Event $event = null)
return $this->dispatcher->dispatch($eventName, $event);
public function addListener($eventName, $listener, $priority = 0)
throw new \BadMethodCallException('Unmodifiable event dispatchers must not be modified.');
public function addSubscriber(EventSubscriberInterface $subscriber)
throw new \BadMethodCallException('Unmodifiable event dispatchers must not be modified.');
public function removeListener($eventName, $listener)
throw new \BadMethodCallException('Unmodifiable event dispatchers must not be modified.');
public function removeSubscriber(EventSubscriberInterface $subscriber)
throw new \BadMethodCallException('Unmodifiable event dispatchers must not be modified.');
public function getListeners($eventName = null)
return $this->dispatcher->getListeners($eventName);
public function getListenerPriority($eventName, $listener)
return $this->dispatcher->getListenerPriority($eventName, $listener);
public function hasListeners($eventName = null)
return $this->dispatcher->hasListeners($eventName);