/**
  * Sauvegarde l'entité Comment
  * @param \Blog\Model\Entity\Comment $commentEntity
  * @return \Blog\Model\Entity\Comment
  */
 public function createCommentEntity(Comment $commentEntity)
 {
     $commentEntity->setCreated(new \DateTime());
     $commentEntity->setUpdated(new \DateTime());
     $this->_em->persist($commentEntity);
     $this->_em->flush();
     return $commentEntity;
 }