public function getShortName()
    {
        $app = Strata::app();

        $classHash = md5(get_class($this));
        $cacheKey = "runtime.static.$classHash.shortname";

        if (!$app->hasConfig($cacheKey)) {
            $rc = new ReflectionClass($this);
            $app->setConfig($cacheKey, $rc->getShortName());
        }

        return $app->getConfig($cacheKey);
    }