protected static function isActive($dbId)
    {
        if (!isset(static::$_modulesData[$dbId])) {
            $result = static::findOne($dbId);
            static::$_modulesData[$dbId] = $result;
        }
        if (empty(static::$_modulesData[$dbId])) {
            return false;
        } else {
            $isActive = static::$_modulesData[$dbId]->is_active;
            return $isActive;
        }
    }