private function createDeleteForm(Role $role)
 {
     return $this->createFormBuilder()->setAction($this->generateUrl('role_delete', array('id' => $role->getId())))->setMethod('DELETE')->getForm();
 }
 /**
  * {@inheritDoc}
  */
 public function getId()
 {
     if ($this->__isInitialized__ === false) {
         return (int) parent::getId();
     }
     $this->__initializer__ && $this->__initializer__->__invoke($this, 'getId', array());
     return parent::getId();
 }