Quartz is a full-featured, open source job scheduling system that can be integrated with, or used along side virtually any J2EE or J2SE application - from the smallest stand-alone application to the largest e-commerce system. Quartz can be used to create simple or complex schedules for executing tens, hundreds, or even tens-of-thousands of jobs; jobs whose tasks are defined as standard Java components or EJBs. The Quartz Scheduler includes many enterprise-class features, such as JTA transactions and clustering.
Jobs are scheduled to run when a given Trigger occurs. Triggers can be created with nearly any combination of the following directives:
- at a certain time of day (to the millisecond)
- on certain days of the week
- on certain days of the month
- on certain days of the year
- not on certain days listed within a registered Calendar (such as business holidays)
- repeated a specific number of times
- repeated until a specific time/date
- repeated indefinitely
- repeated with a delay interval
We are using this simple but fully loaded job scheduler for the scheduling purpose.
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