public function dispatch($eventName, Event $event = null)
{
if (isset($this->listenerIds[$eventName])) {
foreach ($this->listenerIds[$eventName] as $args) {
list($serviceId, $method, $priority) = $args;
$listener = $this->container->get($serviceId);
$key = $serviceId.$method;
if (!isset($this->listeners[$eventName][$key])) {
$this->addListener($eventName, array($listener, $method), $priority);
} elseif ($listener !== $this->listeners[$eventName][$key]) {
$this->removeListener($eventName, array($this->listeners[$eventName][$key], $method));
$this->addListener($eventName, array($listener, $method), $priority);
}
$this->listeners[$eventName][$key] = $listener;
}
}
parent::dispatch($eventName, $event);
}