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xml文件配置如下：
<?xml version="1.0" encoding="UTF-8"?>
public class SimpleJob extends QuartzJobBean {
@Override
protected void executeInternal(JobExecutionContext context) throws JobExecutionException {
System.out.println(new Date()+"执行SimpleJob");
}
}public class ApplicationContextTest {
public static Scheduler scheduler;
public static void main(String[] args) throws Exception {
ApplicationContext applicationContext = new ClassPathXmlApplicationContext("applicationcontext-trigger.xml");
scheduler = (Scheduler) applicationContext.getBean("quartzScheduler");
//SimpleJob simpleJob = new SimpleJob();
scheduler.start();
//从数据库中获取相应的job及调度信息
//JobDetail jobDetail = scheduler.getJobDetail(new JobKey("trigger1", "trigger1"));
//resumeJob(jobDetail.getKey().getName(), jobDetail.getKey().getGroup());
//添加job执行
addJob("trigger1", "trigger1", "job1", "job2", "0/20 * * * * ?", SimpleJob.class, new HashMap<>());
Thread.sleep(60 * 1000);
//重新设置调度时间
System.out.println("重新设置调度时间");
rescheduleJob("trigger1","trigger1","0/10 * * * * ?");
Thread.sleep(60 * 1000);
//暂停调度
System.out.println("暂停调度");
pauseJob("trigger1","trigger1");
Thread.sleep(60 * 1000);
System.out.println("恢复调度");
resumeJob("trigger1","trigger1");
Thread.sleep(60 * 1000);
System.out.println("删除调度");
removeJob("trigger1","trigger1");
Thread.sleep(60 * 1000);
System.out.println(scheduler);
}
/**
* 添加job执行
*
* @param triggerKeyName
* @param triggerKeyGroup
* @param jobName
* @param jobGroup
* @param cronExpression
* @param jobClass
* @param jobData
* @return
* @throws Exception
*/
public static boolean addJob(String triggerKeyName, String triggerKeyGroup, String jobName, String jobGroup, String cronExpression,
Class<? extends Job> jobClass, Map jobData) throws Exception {
JobDetail jobDetail = JobBuilder.newJob(jobClass).withIdentity(triggerKeyName, triggerKeyGroup).build();
Trigger trigger = TriggerBuilder.newTrigger().withSchedule(CronScheduleBuilder.cronSchedule(cronExpression)).withIdentity(triggerKeyName, triggerKeyGroup).build();
if (jobData != null && jobData.size() > 0) {
JobDataMap jobDataMap = jobDetail.getJobDataMap();
jobDataMap.putAll(jobData); // JobExecutionContext context.getMergedJobDataMap().get("mailGuid");
}
scheduler.scheduleJob(jobDetail, trigger);
// if (!scheduler.isShutdown()) {
// scheduler.start();
// }
return true;
}
/**
* 重新设置job执行
* @param triggerKeyName
* @param triggerKeyGroup
* @param cronExpression
* @return
* @throws SchedulerException
*/
public static boolean rescheduleJob(String triggerKeyName, String triggerKeyGroup, String cronExpression) throws SchedulerException {
TriggerKey triggerKey = TriggerKey.triggerKey(triggerKeyName, triggerKeyGroup);
if (scheduler.checkExists(triggerKey)) {
Trigger trigger = TriggerBuilder.newTrigger().withSchedule(CronScheduleBuilder.cronSchedule(cronExpression)).withIdentity(triggerKey).build();
scheduler.rescheduleJob(triggerKey, trigger);
}
return true;
}
/**
* 删除job
* @param triggerKeyName
* @param triggerKeyGroup
* @return
* @throws SchedulerException
*/
public static boolean removeJob(String triggerKeyName, String triggerKeyGroup) throws SchedulerException {
// TriggerKey : name + group
TriggerKey triggerKey = TriggerKey.triggerKey(triggerKeyName, triggerKeyGroup);
boolean result = false;
if (scheduler.checkExists(triggerKey)) {
result = scheduler.unscheduleJob(triggerKey);
}
return result;
}
/**
* 暂停job
* @param triggerKeyName
* @param triggerKeyGroup
* @return
* @throws SchedulerException
*/
public static boolean pauseJob(String triggerKeyName, String triggerKeyGroup) throws SchedulerException {
// TriggerKey : name + group
TriggerKey triggerKey = TriggerKey.triggerKey(triggerKeyName, triggerKeyGroup);
boolean result = false;
if (scheduler.checkExists(triggerKey)) {
scheduler.pauseTrigger(triggerKey);
result = true;
} else {
}
return result;
}
/**
* 重启job
* @param triggerKeyName
* @param triggerKeyGroup
* @return
* @throws SchedulerException
*/
public static boolean resumeJob(String triggerKeyName, String triggerKeyGroup) throws SchedulerException {
TriggerKey triggerKey = TriggerKey.triggerKey(triggerKeyName, triggerKeyGroup);
boolean result = false;
if (scheduler.checkExists(triggerKey)) {
scheduler.resumeTrigger(triggerKey);
result = true;
} else {
}
return result;
}
}quart.properties正常配置信息，然后点击运行即可。
本实例中当运行的任务在暂停的情况下，一旦重新恢复，会将暂停期间的任务运行如图：
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