/**
  * Returns the timestamp of the exectime for the first relevant queue item.
  * This can be used to determine the runtime
  *
  * @return int
  */
 public function getTimeForFirstItem()
 {
     $queueRepository = new tx_crawler_domain_queue_repository();
     $entry = $queueRepository->findYoungestEntryForProcess($this);
     return $entry->getExecutionTime();
 }