public void quartzTest() throws Exception {
JobDetail jobDetail =
JobBuilder.newJob(QuartsDemo.class).withIdentity("testJob_1", "group_1").build();
Trigger trigger =
TriggerBuilder.newTrigger()
.withIdentity("trigger_1", "group_1")
.startNow()
.withSchedule(
SimpleScheduleBuilder.simpleSchedule()
.withIntervalInSeconds(1) // 时间间隔
.withRepeatCount(10) // 重复次数(将执行 10 次/ or //调用10次)
)
.build();
SchedulerFactory sf = new StdSchedulerFactory();
Scheduler sched = sf.getScheduler();
sched.scheduleJob(jobDetail, trigger);
sched.start();
Thread.currentThread().sleep(20000);
System.err.println("关闭 ");
sched.shutdown();
}
private void _disposeScheduler(Scheduler scheduler) {
if (scheduler != null) {
try {
scheduler.shutdown();
/* Add a small sleep so Tomcat does not complain - the web application has started a thread,
* but has failed to stop it.This is very likely to create a memory leak.
*/
Thread.sleep(2000);
} catch (SchedulerException e) {
_logger.error("Quartz failed to shutdown {}", e);
} catch (InterruptedException e) {
_logger.warn("Shutdown of quartz scheduler was interrupted.");
Thread.currentThread().interrupt();
}
}
}
public void runQuarts() throws Exception {
// 定时任务 ,分组名称信息，分组名 如果不设置分组名 是默认分组Default
JobDetail jobDetail = new JobDetailImpl("myJobName", "myJobGroupName", QuartsDemo.class);
// 设置触发器
SimpleTriggerImpl simpleTrigger = new SimpleTriggerImpl("myTiggerName");
// 触发器 从当前时间开始
simpleTrigger.setStartTime(new Date());
// 调用10次
simpleTrigger.setRepeatCount(10);
// 每隔2000毫秒 / 2秒
simpleTrigger.setRepeatInterval(1000);
// 定义调度
Scheduler scheudle = new StdSchedulerFactory().getScheduler();
scheudle.scheduleJob(jobDetail, simpleTrigger);
// 调度启动
scheudle.start();
Thread.currentThread().sleep(10000);
// 调度关闭
System.err.println("关闭 ");
scheudle.shutdown();
}
/**
* Refreshes the job schedule with the current list of enabled jobs of the type to be scheduled.
*
* @param scheduler The scheduler to update.
* @return The updated scheduler.
*/
protected Scheduler _refreshJobSchedule(Scheduler scheduler) {
_disposeScheduler(scheduler);
String schedulerName = null;
Properties props = new Properties();
// Set quartz worker thread properties
props.put(
QUARTZ_THREADPOOL_COUNT,
_configuration.getValue(
Property.QUARTZ_THREADPOOL_COUNT.getName(),
Property.QUARTZ_THREADPOOL_COUNT.getDefaultValue()));
props.put(QUARTZ_THREAD_PRIORITY, QUARTZ_THREAD_PRIORITY_VALUE);
props.put(
StdSchedulerFactory
.PROP_SCHED_SCHEDULER_THREADS_INHERIT_CONTEXT_CLASS_LOADER_OF_INITIALIZING_THREAD,
true);
/* Have multiple scheduler instances for different job types, so that when
* we stop the previous instance of a scheduler during the refresh cycle it does not affect another scheduler.
*/
switch (Thread.currentThread().getName()) {
case "schedule-alerts":
default:
schedulerName = "AlertScheduler";
}
props.put(StdSchedulerFactory.PROP_SCHED_INSTANCE_NAME, schedulerName);
SchedulerFactory schedulerFactory;
Scheduler result = null;
try {
schedulerFactory = new StdSchedulerFactory(props);
result = schedulerFactory.getScheduler();
} catch (Exception e) {
_logger.error("Exception in setting up scheduler: {}", e);
return result;
}
for (CronJob job : getEnabledJobs()) {
_logger.debug("Adding job to scheduler: {}", job);
try {
// Convert from linux cron to quartz cron expression
String quartzCronEntry =
"0 " + job.getCronEntry().substring(0, job.getCronEntry().length() - 1) + "?";
JobDetail jobDetail = JobBuilder.newJob(RunnableJob.class).build();
CronTrigger cronTrigger =
TriggerBuilder.newTrigger()
.withSchedule(CronScheduleBuilder.cronSchedule(quartzCronEntry))
.build();
// Pass parameter to quartz worker threads
jobDetail.getJobDataMap().put(RunnableJob.CRON_JOB, job);
jobDetail.getJobDataMap().put(RunnableJob.LOCK_TYPE, lockType);
jobDetail.getJobDataMap().put("AlertService", _alertService);
jobDetail.getJobDataMap().put("AuditService", _auditService);
result.scheduleJob(jobDetail, cronTrigger);
} catch (Exception ex) {
String msg = "Failed to schedule job {0} : {1}";
JPAEntity entity = JPAEntity.class.cast(job);
_auditService.createAudit(msg, entity, entity, ex.getMessage());
_logger.error("Failed to schedule job {} : {}", job, ex.getMessage());
}
}
try {
result.start();
} catch (SchedulerException e) {
_logger.error("Exception in starting scheduler: {}", e);
}
_logger.info("Job schedule refreshed.");
return result;
}