public function isQueued($sAction, $sName)
 {
     $sJobName = '';
     switch ($sAction) {
         case 'download':
             $sJobName = BxDolStudioInstallerUtils::getNameDownloadFile($sName);
             break;
         case 'action':
             $sJobName = BxDolStudioInstallerUtils::getNamePerformAction($sName);
             break;
     }
     $sSql = $this->prepare("SELECT `id` FROM `sys_cron_jobs` WHERE name=? LIMIT 1", $sJobName);
     return (int) $this->getOne($sSql) > 0;
 }