public function undelete(CuratedListModel $curatedList, UserAccountModel $creator)
 {
     global $DB;
     try {
         $DB->beginTransaction();
         $curatedList->setIsDeleted(false);
         $this->curatedListDBAccess->update($curatedList, array('is_deleted'), $creator);
         $DB->commit();
     } catch (Exception $e) {
         $DB->rollBack();
     }
 }