public function getList($namespace, $callback)
    {
        $session = new Container($namespace);
        $params  = $session->params?:array();
        if (!$session->list) {
            $session->list = is_array($callback)
            ? call_user_func($callback, $session->params)
            : $callback->getPaginationList($session->params);
        }
        return $session->list;
    }