/**
  * @param SourceEvent $event
  */
 public function onSourceProcess(SourceEvent $event)
 {
     $this->queueManager->addForObject(SourceProcessExecutor::NAME, $event->getSource());
 }
 /**
  * @param SourceEvent $event
  */
 public function onScrapeRevisitSource(SourceEvent $event)
 {
     $this->queueManager->addForObject(ScrapeRevisitSourceExecutor::NAME, $event->getSource());
 }