/**
  * @param AModel $model
  *
  * @return boolean
  */
 public function delete(AModel $model)
 {
     if (!$model->getIsNewRecord()) {
         $m = $this->_resolveModel($model)->findByPk($model->id);
         if ($m) {
             return $m->delete();
         }
     }
     return true;
 }