public function filterRow(Gpf_Data_Row $row) {
     if (!$this->filters->matches($row)) {
         return null;
     }
     return parent::filterRow($row);
 }
	protected function loadResultData() {
		$this->commissionsGroupTable = Pap_Db_Table_CommissionGroups::getInstance();
		$this->commissionsTable = Pap_Db_Table_Commissions::getInstance();
		return parent::loadResultData();
	}
 /**
  * @service campaign export
  * @return Gpf_Rpc_Serializable
  */
 public function getCSVFile(Gpf_Rpc_Params $params) {
     return parent::getCSVFile($params);
 }