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20040218 Wednesday February 18, 2004

Spring gets some Scheduling From the springframework-devel mailing list:

I've revived my Quartz support classes for Spring today. They emerged from a job scheduling consulting project I did in autumn 2003. We have concrete needs for this now at werk3AT, thus the revival: It's about quite simple cron-style scheduling of application jobs.

I've revived my Quartz support classes for Spring today. They emerged from a job scheduling consulting project I did in autumn 2003. We have concrete needs for this now at werk3AT, thus the revival: It's about quite simple cron-style scheduling of application jobs.

The basic idea is to set up a Quartz Scheduler via a SchedulerFactoryBean, also allowing to register scheduled jobs there via a <list> of <refs> to ScheduledJobDefinition beans. A ScheduledJobDefinition is just a simple combination of a Quartz JobDetail and a Quartz Trigger.

ScheduledJobDefinition bean implementations include:

- DefaultScheduledJobDefinition, allowing to use any implementation of Quartz' Job interface with a declaratively configured job data map and cron trigger

- MethodInvokingJobDefinition, allowing to specify a method of a Spring-managed bean to execute as job (completely declarative, without the need for implementing a custom Job object), with a cron trigger.

Both job definition beans can link in a separate Quartz Trigger instance instead of a cron expression; DefaultScheduledJobDefinition can also link in a separate Quartz JobDetail instance instead of a job class.

Very nice! Posted in Java at Feb 18 2004, 11:28:25 PM MST Add a Comment

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Matt Raible is a Web Architecture Consultant specializing in open source frameworks.
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