private function countUnidades(Grupo $grupo)
 {
     $query = $this->em()->createQuery("\n            SELECT\n                COUNT(e) as total\n            FROM\n                Novosga\\Model\\Unidade e\n            WHERE\n                e.grupo = :grupo\n        ");
     $query->setParameter('grupo', $grupo->getId());
     $rs = $query->getSingleResult();
     return $rs['total'];
 }
 /**
  * {@inheritDoc}
  */
 public function getId()
 {
     if ($this->__isInitialized__ === false) {
         return (int) parent::getId();
     }
     $this->__initializer__ && $this->__initializer__->__invoke($this, 'getId', array());
     return parent::getId();
 }