public function loadUnreadApplicationsForJob($job)
    {
        $auth=$this->getService('AuthenticationService');
        $qb=$this->createQueryBuilder()
                  ->field("readBy")->notIn(array($auth->getUser()->getId()))
                  ->field("job")->equals(new \MongoId($job->getId()));
        return $qb->getQuery()->execute();
    }