org.quartz.Trigger#TriggerState ( )源码实例Demo

/**
 * 获取所有job任务
 */
public static List<JobInfo> getJobs(Scheduler scheduler) throws SchedulerException {
    GroupMatcher<JobKey> matcher = GroupMatcher.anyJobGroup();

    List<JobInfo> jobs = Lists.newArrayList();
    Set<JobKey> jobKeys = scheduler.getJobKeys(matcher);

    for (JobKey jobKey : jobKeys) {
        List<? extends Trigger> triggers = scheduler.getTriggersOfJob(jobKey);
        for (Trigger trigger : triggers) {

            JobInfo event = new JobInfo();
            event.setJobName(jobKey.getName());
            event.setJobGroup(jobKey.getGroup());
            event.setDescription(String.format("触发器 ======== %s", trigger.getKey()));
            Trigger.TriggerState state = scheduler.getTriggerState(trigger.getKey());
            event.setJobStatus(EnumUtils.getEnum(JobStatusEnums.class, state.name()).getCode());
            if (trigger instanceof CronTrigger) {
                CronTrigger cronTrigger = (CronTrigger) trigger;
                event.setCron(cronTrigger.getCronExpression());
                jobs.add(event);
            }
        }
    }
    return jobs;
}
 

private ScheduleTask convertToScheduleTask(JobKey jobKey, Trigger trigger) throws SchedulerException {
    ScheduleTask task = new ScheduleTask();
    String[] jobname = jobKey.getName().split(":");
    task.setId(Long.parseLong(jobname[0]));
    task.setAppname(jobname[1]);
    task.setName(jobname[2]);
    //task.setGroup(jobKey.getGroup());
    //task.setDesc("触发器[" + trigger.getKey() + "]");
    //task.setStartTime(trigger.getStartTime());             //开始时间
    //task.setEndTime(trigger.getEndTime());                 //结束时间
    task.setNextFireTime(trigger.getNextFireTime());         //下次触发时间
    task.setPreviousFireTime(trigger.getPreviousFireTime()); //上次触发时间
    if(trigger instanceof CronTrigger){
        task.setCron(((CronTrigger)trigger).getCronExpression());
    }
    Trigger.TriggerState triggerState = scheduler.getTriggerState(trigger.getKey());
    task.setStatus("N".equals(triggerState.name()) ? SeedConstants.QSS_STATUS_STOP : SeedConstants.QSS_STATUS_RUNNING);
    return task;
}
 

/**
 * <p>
 * Get the current state of the identified <code>{@link Trigger}</code>.
 * </p>
 * 
 * @see Trigger.TriggerState
 */
@Override
public Trigger.TriggerState getTriggerState(org.quartz.TriggerKey key) throws JobPersistenceException {

  TriggerWrapper tw;
  lock();
  try {
    tw = triggerFacade.get(key);
  } finally {
    unlock();
  }

  if (tw == null) { return Trigger.TriggerState.NONE; }

  if (tw.getState() == TriggerState.COMPLETE) { return Trigger.TriggerState.COMPLETE; }

  if (tw.getState() == TriggerState.PAUSED) { return Trigger.TriggerState.PAUSED; }

  if (tw.getState() == TriggerState.PAUSED_BLOCKED) { return Trigger.TriggerState.PAUSED; }

  if (tw.getState() == TriggerState.BLOCKED) { return Trigger.TriggerState.BLOCKED; }

  if (tw.getState() == TriggerState.ERROR) { return Trigger.TriggerState.ERROR; }

  return Trigger.TriggerState.NORMAL;
}
 

private void wrapScheduleJob(ScheduleJob scheduleJob,Scheduler scheduler,JobKey jobKey,Trigger trigger){  
    try {  
        scheduleJob.setJobName(jobKey.getName());  
        scheduleJob.setJobGroup(jobKey.getGroup()); 
  
        JobDetail jobDetail = scheduler.getJobDetail(jobKey);  
        ScheduleJob job = (ScheduleJob)jobDetail.getJobDataMap().get("scheduleJob");  
        scheduleJob.setDesc(job.getDesc());  
        scheduleJob.setJobId(job.getJobId());
  
        Trigger.TriggerState triggerState = scheduler.getTriggerState(trigger.getKey());  
        scheduleJob.setJobStatus(triggerState.name());  
        if(trigger instanceof CronTrigger){  
            CronTrigger cronTrigger = (CronTrigger)trigger;  
            String cronExpression = cronTrigger.getCronExpression();  
            scheduleJob.setCronExpression(cronExpression);  
        }  
    } catch (SchedulerException e) {  
        e.printStackTrace(); 
    }  
}
 

/**
 * 更新定时任务
 *
 * @param scheduler      the scheduler
 * @param jobName        the job name
 * @param jobGroup       the job group
 * @param cronExpression the cron expression
 * @param param          the param
 */
private static void updateJob(Scheduler scheduler, String jobName, String jobGroup, String cronExpression, Object param) throws SchedulerException {

    // 同步或异步
    Class<? extends Job> jobClass = JobQuartzJobBean.class;
    JobDetail jobDetail = scheduler.getJobDetail(getJobKey(jobName, jobGroup));

    jobDetail = jobDetail.getJobBuilder().ofType(jobClass).build();

    // 更新参数 实际测试中发现无法更新
    JobDataMap jobDataMap = jobDetail.getJobDataMap();
    jobDataMap.put("JobAdapter", param);
    jobDetail.getJobBuilder().usingJobData(jobDataMap);

    TriggerKey triggerKey = getTriggerKey(jobName, jobGroup);

    // 表达式调度构建器
    CronScheduleBuilder scheduleBuilder = CronScheduleBuilder.cronSchedule(cronExpression);

    CronTrigger trigger = (CronTrigger) scheduler.getTrigger(triggerKey);

    // 按新的cronExpression表达式重新构建trigger
    trigger = trigger.getTriggerBuilder().withIdentity(triggerKey).withSchedule(scheduleBuilder).build();
    Trigger.TriggerState triggerState = scheduler.getTriggerState(trigger.getKey());
    // 忽略状态为PAUSED的任务，解决集群环境中在其他机器设置定时任务为PAUSED状态后，集群环境启动另一台主机时定时任务全被唤醒的bug
    if (!JobEnums.PAUSE.name().equalsIgnoreCase(triggerState.name())) {
        // 按新的trigger重新设置job执行
        scheduler.rescheduleJob(triggerKey, trigger);
    }
}
 

@Override
public Trigger.TriggerState getTriggerState(TriggerKey triggerKey) throws JobPersistenceException {
  try {
    return realJobStore.getTriggerState(triggerKey);
  } catch (RejoinException e) {
    throw new JobPersistenceException("Trigger state retrieval failed due to client rejoin", e);
  }
}
 

public Trigger.TriggerState getTriggerState(String schedulerName, Trigger trigger) throws SchedulerException {
    Assert.notNull(trigger, "trigger can not be null");
    Scheduler scheduler = this.getAssertScheduler(schedulerName);
    return QuartzUtils.getTriggerState(trigger, scheduler);
}
 

@Override
public Trigger.TriggerState getTriggerState(final TriggerKey triggerKey) throws JobPersistenceException {
  return clusteredJobStore.getTriggerState(triggerKey);
}