public function mayOperate($sOperation, $oUser = false)
 {
     $oUser = SearchIndexPeer::getRightsUser($oUser);
     $bIsAllowed = false;
     if ($oUser && ($this->isNew() || $this->getCreatedBy() === $oUser->getId()) && SearchIndexPeer::mayOperateOnOwn($oUser, $this, $sOperation)) {
         $bIsAllowed = true;
     } else {
         if (SearchIndexPeer::mayOperateOn($oUser, $this, $sOperation)) {
             $bIsAllowed = true;
         }
     }
     FilterModule::getFilters()->handleSearchIndexOperationCheck($sOperation, $this, $oUser, array(&$bIsAllowed));
     return $bIsAllowed;
 }