public function delete($entity)
{
$event = new StorageEvent($entity);
$this->event()->dispatch(StorageEvents::PRE_DELETE, $event);
$qb = $this->em->createQueryBuilder()->delete($this->getTableName())->where('id = :id')->setParameter('id', $entity->getId());
$response = $qb->execute();
$event = new StorageEvent($entity);
$this->event()->dispatch(StorageEvents::POST_DELETE, $event);
return $response;
}