/**
  * Finds the Movimientoporajuste model based on its primary key value.
  * If the model is not found, a 404 HTTP exception will be thrown.
  * @param integer $id_documento
  * @param integer $id_ajuste
  * @return Movimientoporajuste the loaded model
  * @throws NotFoundHttpException if the model cannot be found
  */
 protected function findModel($id_documento, $id_ajuste)
 {
     if (($model = Movimientoporajuste::findOne(['id_documento' => $id_documento, 'id_ajuste' => $id_ajuste])) !== null) {
         return $model;
     } else {
         throw new NotFoundHttpException('The requested page does not exist.');
     }
 }