/**
  * {@inheritdoc}
  */
 protected function invokeHook($hook, EntityInterface $entity)
 {
     parent::invokeHook($hook, $entity);
     $event_class = $this->entityType->getHandlerClass('event');
     if ($event_class) {
         $this->eventDispatcher->dispatch($this->getEventName($hook), new $event_class($entity));
     }
 }