private void unregisterJob(final String jobName) {
try {
scheduler.getScheduler().unscheduleJob(new TriggerKey(jobName, Scheduler.DEFAULT_GROUP));
scheduler.getScheduler().deleteJob(new JobKey(jobName, Scheduler.DEFAULT_GROUP));
} catch (SchedulerException e) {
LOG.error("Could not remove job " + jobName, e);
}
if (ApplicationContextProvider.getBeanFactory().containsSingleton(jobName)) {
ApplicationContextProvider.getBeanFactory().destroySingleton(jobName);
}
}
private Scheduler createScheduler(
final String name, final int noOfThreads, JobListener... jobListeners) throws Exception {
final SchedulerFactoryBean schedulerFactoryBean = new SchedulerFactoryBean();
schedulerFactoryBean.setSchedulerName(name);
schedulerFactoryBean.setGlobalJobListeners(jobListeners);
final TriggerListener[] globalTriggerListeners = {globalSchedulerTriggerListener};
schedulerFactoryBean.setGlobalTriggerListeners(globalTriggerListeners);
final Properties quartzProperties = new Properties();
quartzProperties.put(SchedulerFactoryBean.PROP_THREAD_COUNT, Integer.toString(noOfThreads));
schedulerFactoryBean.setQuartzProperties(quartzProperties);
schedulerFactoryBean.afterPropertiesSet();
schedulerFactoryBean.start();
return schedulerFactoryBean.getScheduler();
}
private void registerJob(
final String jobName,
final Job jobInstance,
final String cronExpression,
final Date startAt,
final Map<String, Object> jobMap)
throws SchedulerException, ParseException {
synchronized (scheduler.getScheduler()) {
boolean jobAlreadyRunning = false;
for (JobExecutionContext jobCtx : scheduler.getScheduler().getCurrentlyExecutingJobs()) {
if (jobName.equals(jobCtx.getJobDetail().getKey().getName())
&& Scheduler.DEFAULT_GROUP.equals(jobCtx.getJobDetail().getKey().getGroup())) {
jobAlreadyRunning = true;
LOG.debug("Job {} already running, cancel", jobCtx.getJobDetail().getKey());
}
}
if (jobAlreadyRunning) {
return;
}
}
// 0. unregister job
unregisterJob(jobName);
// 1. Job bean
ApplicationContextProvider.getBeanFactory().registerSingleton(jobName, jobInstance);
// 2. JobDetail bean
JobBuilder jobDetailBuilder =
JobBuilder.newJob(jobInstance.getClass())
.withIdentity(jobName)
.usingJobData(new JobDataMap(jobMap));
// 3. Trigger
if (cronExpression == null && startAt == null) {
// Jobs added with no trigger must be durable
scheduler.getScheduler().addJob(jobDetailBuilder.storeDurably().build(), true);
} else {
TriggerBuilder<?> triggerBuilder;
if (cronExpression == null) {
triggerBuilder =
TriggerBuilder.newTrigger()
.withIdentity(JobNamer.getTriggerName(jobName))
.startAt(startAt);
} else {
triggerBuilder =
TriggerBuilder.newTrigger()
.withIdentity(JobNamer.getTriggerName(jobName))
.withSchedule(CronScheduleBuilder.cronSchedule(cronExpression));
if (startAt == null) {
triggerBuilder = triggerBuilder.startNow();
} else {
triggerBuilder = triggerBuilder.startAt(startAt);
}
}
scheduler.getScheduler().scheduleJob(jobDetailBuilder.build(), triggerBuilder.build());
}
}