/**
* Serialize job to allow persistence
*
* The serialization format is a JSON object with keys "content",
* "metadata" and "__name__". When a job is fetched from the SL, a job name
* will be set and be available as metadata. An invokable job has no service
* name and therefore the FQCN will be used.
*
* @param JobInterface $job The job to persist
* @return string
*/
public function serializeJob(JobInterface $job)
{
$job->setMetadata('__name__', $job->getMetadata('__name__', get_class($job)));
$data = ['content' => serialize($job->getContent()), 'metadata' => $job->getMetadata()];
return json_encode($data);
}
