Basic introduction
Quartz is another open source project of the OpenSymphony open source organization in the field of Job scheduling. It can be combined with J2EE and J2SE applications or used alone. Quartz can be used to create simple or complex programs that run ten, hundreds, or even tens of thousands of Jobs. Jobs can be made into standard Java components or EJBs.
Software features
Quartz is an open source job scheduling framework written entirely in Java. Don't let the term job scheduling scare you. Even though the Quartz framework incorporates a lot of extra functionality, in its simple form you'll find that it's almost unbearably easy to use! . Simply create a java class that implements the org.quartz.Job interface.
The Job interface contains the only method:
public void execute(JobExecutionContext context)
throws JobExecutionException;
In your Job interface implementation class, add some logic to the execute() method. Once you configure the Job implementation class and set the scheduling schedule, Quartz will keep an eye on the remaining time. When the scheduler determines that it is time to notify you of the job, the Quartz framework will call the execute() method on your Job implementation class (job class) and allow it to do what it should do. No need to report anything to the scheduler or call anything specific. Just do the task and finish the task. If you configure your job to be called again later, the Quartz framework will call it again at the appropriate time.
How to use
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Animation demonstration
it works
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it works