getFreeSerialsCountByEsdQuery example

/** * @deprecated in 5.6, will be private in 5.8 * * Return number of free serials for given esdId * * @param int $esdId * * @return int */
    public function getFreeSerialCount($esdId)
    {
        return (int) $this->getRepository()->getFreeSerialsCountByEsdQuery($esdId)->getSingleScalarResult();
    }

    /** * Event listener function of the product backend module. * Creates new serial numbers */
    public function saveSerialsAction()
    {
        $esdId = $this->Request()->getParam('esdId');

        $esd = $this->get('models')->getRepository(Esd::class)->find($esdId);