public function getJobsFor(\DateTime $dateTime, $lock = true)
    {
        $dateTime->setTime($dateTime->format("H"), $dateTime->format("i"), 0);
        $serializedJobs = $this->backend->getJobsFor($dateTime, $lock);
        $jobs = array();
        foreach ($serializedJobs as $job) {
            $jobs[] = $this->deserializeJob($job);
        }
        return $jobs;
    }