/**
  * {@inheritdoc}
  */
 public function save(ModelInterface $item, $recursive = false)
 {
     if (!$item instanceof EntityModel) {
         throw new \RuntimeException('The EntityDataProvider only support EntityModel\'s');
     }
     $entityManager = $this->getEntityManager();
     $entityManager->persist($item->getEntity());
     $entityManager->flush();
 }