Java Scheduler using Quartz CronTrigger – Schedule Cron Job Example
Download Quartz: http://quartz-scheduler.org/downloads/catalog
Maven Repository:
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<dependencies> <dependency> <groupId>org.quartz-scheduler</groupId> <artifactId>quartz</artifactId> <version>2.1.5</version> </dependency> </dependencies></xml> |
Quartz Job
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import org.quartz.Job; import org.quartz.JobExecutionContext; import org.quartz.JobExecutionException; public class HelloJob implements Job { public void execute(JobExecutionContext context) throws JobExecutionException { System.out.println("Hello Quartz!"); } } |
Quartz CronTrigger (Run Job Every 5 Seconds)
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import org.quartz.CronScheduleBuilder; import org.quartz.JobBuilder; import org.quartz.JobDetail; import org.quartz.Scheduler; import org.quartz.Trigger; import org.quartz.TriggerBuilder; import org.quartz.impl.StdSchedulerFactory; public class CronTriggerExample { public static void main( String[] args ) throws Exception { // Quartz 1.6.3 //JobDetail job = new JobDetail(); //job.setName("dummyJobName"); //job.setJobClass(HelloJob.class); JobDetail job = JobBuilder.newJob(HelloJob.class) .withIdentity("dummyJobName", "group1").build(); // Quartz 1.6.3 //CronTrigger trigger = new CronTrigger(); //trigger.setName("dummyTriggerName"); //trigger.setCronExpression("0/5 * * * * ?"); Trigger trigger = TriggerBuilder.newTrigger() .withIdentity("dummyTriggerName", "group1") .withSchedule(CronScheduleBuilder.cronSchedule("0/5 * * * * ?")) .build(); // schedule it Scheduler scheduler = new StdSchedulerFactory().getScheduler(); scheduler.start(); scheduler.scheduleJob(job, trigger); } } |