private function getRouteModel($action)
 {
     $route = $this->id . '/' . $action->id;
     $routeModel = RbacRoute::findOne(['name' => $route]);
     if (is_null($routeModel)) {
         throw new HttpException(500, 'Internal Server Error');
     } else {
         return $routeModel;
     }
 }
 /**
  * Finds the RbacRoute model based on its primary key value.
  * If the model is not found, a 404 HTTP exception will be thrown.
  *
  * @param int $id
  *
  * @return RbacRoute the loaded model
  *
  * @throws NotFoundHttpException if the model cannot be found
  */
 protected function findModel($id)
 {
     if (($model = RbacRoute::findOne($id)) !== null) {
         return $model;
     } else {
         throw new NotFoundHttpException('The requested page does not exist.');
     }
 }