public static function updateMode()
 {
     $finalResult = array();
     if (CRM_Utils_Array::value('mode', $_REQUEST) && CRM_Utils_Array::value('entityId', $_REQUEST) && CRM_Utils_Array::value('entityTable', $_REQUEST)) {
         $mode = CRM_Utils_Type::escape($_REQUEST['mode'], 'Integer');
         $entityId = CRM_Utils_Type::escape($_REQUEST['entityId'], 'Integer');
         $entityTable = CRM_Utils_Type::escape($_REQUEST['entityTable'], 'String');
         if (!empty($_REQUEST['linkedEntityTable'])) {
             $result = CRM_Core_BAO_RecurringEntity::updateModeLinkedEntity($entityId, $_REQUEST['linkedEntityTable'], $entityTable);
         }
         $dao = new CRM_Core_DAO_RecurringEntity();
         if (!empty($result)) {
             $dao->entity_id = $result['entityId'];
             $dao->entity_table = $result['entityTable'];
         } else {
             $dao->entity_id = $entityId;
             $dao->entity_table = $entityTable;
         }
         if ($dao->find(TRUE)) {
             $dao->mode = $mode;
             $dao->save();
             $finalResult['status'] = 'Done';
         } else {
             $finalResult['status'] = 'Error';
         }
     }
     CRM_Utils_JSON::output($finalResult);
 }