public function getGroup()
    {
        $key = $this->getGroupId();

        if (empty($key)) {
            return null;
        }

        $cacheKey   = 'Cache.ProjectGroup.' . $key;
        $rtn        = $this->cache->get($cacheKey, null);

        if (empty($rtn)) {
            $rtn    = Factory::getStore('ProjectGroup', 'PHPCI')->getById($key);
            $this->cache->set($cacheKey, $rtn);
        }

        return $rtn;
    }