Quartz可以防止作业重叠

时间:2014-09-21 10:22:00

标签: java quartz-scheduler

我是Quartz 2.1的新手,对此有疑问。我的工作如下

@PersistJobDataAfterExecution
@DisallowConcurrentExecution
public class HelloJob implements Job {

    public void execute(JobExecutionContext arg0) throws JobExecutionException {

我创建了两个作业,如下所示

JobDetail jobDetail = JobBuilder.newJob(HelloJob.class).withIdentity("Job1").build();
JobDetail jobDetail2 = JobBuilder.newJob(HelloJob.class).withIdentity("Job2").storeDurably().build();
Trigger trigger = TriggerBuilder.newTrigger().forJob(jobDetail).withSchedule(
                        SimpleScheduleBuilder.simpleSchedule()
                                .withIntervalInSeconds(5).repeatForever()).build();
Trigger trigger2 = TriggerBuilder.newTrigger().forJob(jobDetail2).withSchedule(
                        SimpleScheduleBuilder.simpleSchedule()
                                .withIntervalInSeconds(10).repeatForever()).build();
        SchedulerFactory factory = new StdSchedulerFactory("quartz.properties");
        Scheduler scheduler = factory.getScheduler();
        scheduler.start();
        scheduler.scheduleJob(jobDetail, trigger);
        scheduler.scheduleJob(jobDetail2, trigger2);

如您所见,job1每5秒执行一次,job2每10秒执行一次。我想要的是,如果job1需要10秒以上完成,job2将执行直到job1完成。但实际上,job2仍在执行,而job1没有完成。你可以帮助我吗?

P/s: this is the quartz.properties:
org.quartz.threadPool.class = org.quartz.simpl.SimpleThreadPool
org.quartz.threadPool.threadCount = 2
org.quartz.threadPool.threadsInheritContextClassLoaderOfInitializingThread = true

1 个答案:

答案 0 :(得分:0)

  1. 如果您使用相同的作业,则只需要一个JobDetail实例(而不是两个)。
  2. 为您的JobDetail致电店铺。
  3. 为触发器和触发器2设置相同的jobDetail
  4. 安排工作如下:

    scheduler.start();
    scheduler.addJob(jobDetail, true);
    scheduler.scheduleJob(trigger);
    scheduler.scheduleJob(trigger2);
    
  5. 您的代码的其他部分很好。