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