java quartz Scheduler 操作Trigger 超、凢脫俗 2022-11-01 05:27 117阅读 0赞 一个`JobDetail`可以有多个`Trigger` //增 sched.scheduleJob(trigger);//trigger必须使用forJob绑定JobDetail //查 System.out.println(sched.getTrigger(TriggerKey.triggerKey("trigger1","group1")));//通过TriggerKey获得 System.out.println(sched.getTriggersOfJob(JobKey.jobKey("job1","group1")));//通过JobKey获得,因为二者是绑定的 System.out.println(sched.getTriggerGroupNames());//获得所有组名 System.out.println(sched.getTriggerKeys(GroupMatcher.groupEquals("group1")));//获得组下所有的TriggerKey //改 sched.rescheduleJob(TriggerKey.triggerKey("trigger1","group1"),newTrigger().build()); //更改job的Trigger //删 sched.unscheduleJob(TriggerKey.triggerKey("trigger1","group1")); 整体代码 package com; import org.quartz.*; import org.quartz.impl.StdSchedulerFactory; import org.quartz.impl.matchers.GroupMatcher; import java.io.IOException; import static org.quartz.JobBuilder.newJob; import static org.quartz.TriggerBuilder.newTrigger; public class App { public static class myJob implements Job { @Override public void execute(JobExecutionContext context){ System.out.println("hello"); } } public static void main(String[] args) throws IOException, SchedulerException { Scheduler sched = new StdSchedulerFactory().getScheduler(); JobDetail job = newJob(myJob.class) .withIdentity("job1", "group1") //设置job的名称和分组,以便后期的查找 .storeDurably() // 在使用scheduler.addJob 单独添加job(不指定trigger)时使用,因为框架的思想是只在执行时才创建对象,所以要指定durably .build(); //build设计模式生成对象 Trigger trigger = newTrigger() .withIdentity("trigger1", "group1") .forJob(JobKey.jobKey("job1","group1")) // 给单独添加的jobdetail添加触发器 .build(); sched.addJob(job,false);// false表示不替换,ture表示替换,既更新;另外一般使用 比较方便sched.scheduleJob(job, trigger); //增 sched.scheduleJob(trigger);//trigger必须使用forJob绑定JobDetail //查 System.out.println(sched.getTrigger(TriggerKey.triggerKey("trigger1","group1")));//通过TriggerKey获得 System.out.println(sched.getTriggersOfJob(JobKey.jobKey("job1","group1")));//通过JobKey获得,因为二者是绑定的 System.out.println(sched.getTriggerGroupNames());//获得所有组名 System.out.println(sched.getTriggerKeys(GroupMatcher.groupEquals("group1")));//获得组下所有的TriggerKey //改 sched.rescheduleJob(TriggerKey.triggerKey("trigger1","group1"),newTrigger().build()); //更改job的Trigger //删 sched.unscheduleJob(TriggerKey.triggerKey("trigger1","group1")); } } 参考: http://www.quartz-scheduler.org/api/2.3.0/org/quartz/Scheduler.html
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