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Creating jobs is super simple, you just need to persist an instance of Job:
<?php $job = new Job('my-symfony2:command', array('some-args', 'or', '--options="foo"')); $em->persist($job); $em->flush($job);
If you want to have a job run after another job finishes, you can also achieve this quite easily:
<?php $job = new Job('a'); $dependentJob = new Job('b'); $dependentJob->addDependency($job); $em->persist($job); $em->persist($dependentJob); $em->flush();
If you want to schedule a job :
<?php $job = new Job('a'); $date = new DateTime(); $date->add(new DateInterval('PT30M')); $job->setExecuteAfter($date); $em->persist($job); $em->flush();
If you would like to better control the concurrency of a specific job type, you can use queues:
<?php $job = new Job('a', array(), true, "aCoolQueue"); $em->persist($job); $em->flush();
Queues allow you to enforce stricter limits as to how many jobs are running per queue. By default, a queue the jobs per queue are not limited as such queues will have no effect. To define a limit for a queue, you can use the bundle’s configuration:
jms_job_queue: queue_options_defaults: max_concurrent_jobs: 3 # This limit applies to all queues (including the default queue). queue_options: foo: max_concurrent_jobs: 2 # This limit applies only to the "foo" queue.
By default, all jobs are executed in the order in which they are scheduled (assuming they are in the same queue). If you would like to prioritize certain jobs in the same queue, you can set a priority:
$job = new Job('a', array(), true, Job::DEFAULT_QUEUE, Job::PRIORITY_HIGH); $em->persist($job); $em->flush();
The priority is a simple integer - the higher the number, the sooner a job is executed.