protected void schedule(
Scheduler scheduler,
StorageType storageType,
Trigger trigger,
String description,
String destinationName,
Message message)
throws Exception {
if (_jsonFactory == null) {
throw new IllegalStateException("JSON factory not initialized");
}
try {
JobBuilder jobBuilder = JobBuilder.newJob(MessageSenderJob.class);
jobBuilder.withIdentity(trigger.getJobKey());
jobBuilder.storeDurably();
JobDetail jobDetail = jobBuilder.build();
JobDataMap jobDataMap = jobDetail.getJobDataMap();
jobDataMap.put(SchedulerEngine.DESCRIPTION, description);
jobDataMap.put(SchedulerEngine.DESTINATION_NAME, destinationName);
jobDataMap.put(SchedulerEngine.MESSAGE, _jsonFactory.serialize(message));
jobDataMap.put(SchedulerEngine.STORAGE_TYPE, storageType.toString());
JobState jobState =
new JobState(
TriggerState.NORMAL, message.getInteger(SchedulerEngine.EXCEPTIONS_MAX_SIZE));
jobDataMap.put(SchedulerEngine.JOB_STATE, JobStateSerializeUtil.serialize(jobState));
unregisterMessageListener(scheduler, trigger.getJobKey());
synchronized (this) {
scheduler.deleteJob(trigger.getJobKey());
scheduler.scheduleJob(jobDetail, trigger);
}
} catch (ObjectAlreadyExistsException oaee) {
if (_log.isInfoEnabled()) {
_log.info("Message is already scheduled");
}
}
}
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());
}
}
