Quartz of Cron Job 使用

Java 定时器之 Quartz:



package com.wx.email.cronjob;

import org.quartz.CronTrigger;
import org.quartz.JobDetail;
import org.quartz.Scheduler;
import org.quartz.SchedulerException;
import org.quartz.impl.StdSchedulerFactory;

import com.wx.email.smtp.EmailNewsBiz;

/**
* @Class name: CronJobScheduler.java
*
* Short description on the purpose of the program.
*
* @author: wangxiang
* @modified: Jan 7, 2011
*
*/

public class CronJobScheduler {

private static final long serialVersionUID = -5838740332643296770L;

private static CronJobScheduler cronJobSCheduler;

public static CronJobScheduler getCronJobSchedulerInstance() {
if (null == cronJobSCheduler) {
cronJobSCheduler = new CronJobScheduler();
}
return cronJobSCheduler;
}

private Scheduler scheduler = null;

public void initCronJobScheduler() {
try {
scheduler = StdSchedulerFactory.getDefaultScheduler();
scheduler.start();

JobDetail job = new JobDetail("job1", Scheduler.DEFAULT_GROUP, EmailNewsBiz.class);

String qz = DefaultSCProperties.getPropertyAsString("email.scheduler.quartz", "0 0 1 * * ?");
CronTrigger trigger = new CronTrigger("trigger1", Scheduler.DEFAULT_GROUP, qz);

scheduler.scheduleJob(job, trigger);

} catch (Exception e) {
e.printStackTrace();
}
}

public void destroyCronJobScheduler() {
try {
if (scheduler != null)
scheduler.shutdown();
} catch (SchedulerException e) {
e.printStackTrace();
}

}
}



Biz Class:

public class EmailNewsBiz implements Job {

public void execute(JobExecutionContext arg0) throws JobExecutionException {
sendMailNews();
}
}
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