class ExtendedDeliveryRepository extends DeliveryRepository
{
    /**
     * NOT IN で検索する.
     *
     * @param array $criteria
     * @param array $orderBy
     * @param integer $limit
     * @param integer $offset
     * @return array
     * @see EntityRepository::findBy()
     */
    public function findNotContainsBy(array $criteria, array $orderBy = null, $limit = null, $offset = null)
    {
        $qb = $this->createQueryBuilder('d');

        foreach ($criteria as $col => $val) {
            $qb->andWhere($qb->expr()->notIn('d.'.$col, ':'.$col))
                ->setParameter($col, (array)$val);
        }

        if (is_array($orderBy)) {
            foreach ($orderBy as $sort => $order) {
                if (array_values($orderBy) === $orderBy) { // 配列 or 連想配列
                    $sort = $order;
                    $order = 'ASC';
                }
                $qb->orderBy('d.'.$sort, $order);
            }
        }

        if ($limit > 0) {
            $qb->setMaxResults($limit);
        }
        if ($offset > 0) {
            $qb->setFirstResult($offset);
        }

        return $qb->getQuery()->getResult();
    }
}

    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $app = $this->app;
        if ($app->isGranted('ROLE_ADMIN')) {
            return;
        }

        // カート内商品のブランド以外の配送方法を非表示
        $builder->addEventListener(FormEvents::POST_SET_DATA, function (FormEvent $event) use ($app) {
            $form = $event->getForm();

            findNotContainsBy();  // ★ どうやって呼び出す？
        });
    }

    public function getExtendedType()
    {
        return 'shopping';
    }