$linkedDAO = new self::$_tableDAOMapper[$obj->__table]();
$linkedDAO->id = $obj->id;
if ($linkedDAO->find(TRUE)) {
$idCol = self::$_linkedEntitiesInfo[$obj->__table]['entity_id_col'];
$tableCol = self::$_linkedEntitiesInfo[$obj->__table]['entity_table_col'];
$linkedDAO = new self::$_tableDAOMapper[$obj->__table]();
$linkedDAO->id = $obj->id;
if ($linkedDAO->find(TRUE)) {
$idCol = self::$_linkedEntitiesInfo[$obj->__table]['entity_id_col'];
$tableCol = self::$_linkedEntitiesInfo[$obj->__table]['entity_table_col'];