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In Quarts, can I use a single trigger to schedule multiple jobs, so that all the jobs gets executed in parallel. What is the best way to do this.
Example, every hour execute Jobs j1, j2, ..., jn in parallel. Assuming that there is no dependency between the jobs.
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asked May 05 '10 14:05
If you want to schedule multiple jobs in your console application you can simply call Scheduler. ScheduleJob (IScheduler) passing the job and the trigger you've previously created: IJobDetail firstJob = JobBuilder. Create<FirstJob>() .
The actual number of jobs that can be running at any moment in time is limited by the size of the thread pool. If there are five threads in the pool, no more than five jobs can run at a time.
Create a Scheduler with a single worker thread. Schedule three Triggers with different priorities that fire the first time at the same time, and a second time at staggered intervals. Start up the Quartz Scheduler. Wait for 30 seconds to give Quartz a chance to fire the Triggers.
rescheduleJob. Remove (delete) the Trigger with the given key, and store the new given one - which must be associated with the same job (the new trigger must have the job name & group specified) - however, the new trigger need not have the same name as the old trigger. newTrigger - The new Trigger to be stored.
You can't associate multiple jobs with the same trigger (a given job can have multiple triggers, but not vice versa), but you can set up multiple identical triggers, one for each job.
In order to get them running in parallel, you need to ensure that Quartz's thread pool has enough capacity to do so. See here for the config options for the thread pool.
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You can build a trigger job that triggers the other jobs. Make it configurable by using the JobMap properties, and you can reuse the class for triggering an arbitrary set of jobs (and maybe executing the first for yourself).
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