/**
  * Implement this by setting $obj values (e.g. $obj->setId($row->Id) from a DB row
  * @param GD_Model_ConfigServer $obj
  * @param Zend_Db_Table_Row_Abstract $row
  */
 protected function populateObjectFromRow(&$obj, Zend_Db_Table_Row_Abstract $row)
 {
     $obj->setId($row->id)->setServersId($row->servers_id)->setConfigsId($row->configs_id);
     $s_map = new GD_Model_ServersMapper();
     $server = new GD_Model_Server();
     $s_map->populateObjectFromRow($server, $row->findParentRow('GD_Model_DbTable_Servers'));
     $obj->setServer($server);
     $c_map = new GD_Model_ConfigsMapper();
     $config = new GD_Model_Config();
     $c_map->populateObjectFromRow($config, $row->findParentRow('GD_Model_DbTable_Configs'));
     $obj->setConfig($config);
 }