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- <?php
- namespace Symfony\Component\EventDispatcher;
- class ImmutableEventDispatcher implements EventDispatcherInterface
- {
- private $dispatcher;
- public function __construct(EventDispatcherInterface $dispatcher)
- {
- $this->dispatcher = LegacyEventDispatcherProxy::decorate($dispatcher);
- }
-
- public function dispatch($event)
- {
- $eventName = 1 < \func_num_args() ? func_get_arg(1) : null;
- if (\is_scalar($event)) {
-
- $swap = $event;
- $event = $eventName ?? new Event();
- $eventName = $swap;
- }
- return $this->dispatcher->dispatch($event, $eventName);
- }
-
- public function addListener($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);
- }
- }
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