public function getConfiguredGatheringDataSources()
 {
     $db = Loader::db();
     $r = $db->Execute('select gcsID from GatheringConfiguredDataSources where gaID = ?', array($this->gaID));
     $list = array();
     while ($row = $r->FetchRow()) {
         $source = GatheringDataSourceConfiguration::getByID($row['gcsID']);
         if (is_object($source)) {
             $list[] = $source;
         }
     }
     return $list;
 }