public function closeUnTerminatedDropsByDropzone($dropzoneId)
    {
        $qb = $this->createQueryBuilder('drop')
            ->update('Icap\\DropzoneBundle\\Entity\\Drop', 'd')
            ->set('d.autoClosedDrop', 1)
            ->set('d.finished', 1)
            ->andWhere('d.dropzone = :dropzoneId')
            ->andWhere('d.finished = 0')
            ->setParameter('dropzoneId', $dropzoneId);
        $qb->getQuery()->execute();
    }