private function _set_config()
    {
	$ok = false;
	$this->_configs = array();

	if( $this->_file_lib->check_dir() )
	{
	    $all_configs_file = $this->_file_lib->get_path_files();

	    $wise = Wise::create( $this->_file_lib );
	    foreach( $all_configs_file as $service_name => $config_file )
	    {
		$this->_configs[$service_name] = $wise->loadFlat( $config_file );
	    }
	}

	return $ok;
    }