Sonata\OrderBundle\Entity\OrderManager::getOrder PHP Method

    public function getOrder($orderId)
    {
        $qb = $this->getRepository()->createQueryBuilder('o')->select('o')->innerJoin('o.orderElements', 'oe')->where('o.id = :id')->setParameter('id', $orderId);
        return $qb->getQuery()->getOneOrNullResult();
    }