Java开源调度框架Quartz

Quartz 核心

1. Job : 实现Job接口，execute()方法。 (StatefulJob接口为有状态Job: 根据上一作业结果判断执行之后的作业)

2. Trigger : scheduler 到时调用它，然后它调用指定定时程序 (SimpleTrigger, CronTrigger)

3. JobDetail : 定时程序描述

4. JobExecutionContext : 

5. JobDataMap : 

6. JobListener, TriggerListener :

7. JobStore :

 

 1 package cn.com.quartz;
 2 
 3 import java.util.Date;
 4 
 5 import org.quartz.JobDetail;
 6 import org.quartz.Scheduler;
 7 import org.quartz.SchedulerException;
 8 import org.quartz.SchedulerFactory;
 9 import org.quartz.Trigger;
10 import org.quartz.TriggerUtils;
11 import org.quartz.impl.StdSchedulerFactory;
12 
13 public class T001 {
14     public void test001() throws SchedulerException {
15         SchedulerFactory schedFact = new StdSchedulerFactory();
16         Scheduler sched = schedFact.getScheduler();
17         sched.start();
18         
19         JobDetail jobDetail = new JobDetail("myJob", null, T002.class); // DumbJob
20         
21         // ===================== JobDataMap
22         jobDetail.getJobDataMap().put("jobSays", "Hello World!");
23         // =====================
24         
25         Trigger trigger = TriggerUtils.makeHourlyTrigger();
26         trigger.setStartTime(TriggerUtils.getEvenHourDate(new Date()));
27         trigger.setName("myTrigger");
28         
29         sched.scheduleJob(jobDetail, trigger);
30     }
31     
32     public static void main(String[] args) {
33         try {
34             Scheduler scheduler = StdSchedulerFactory.getDefaultScheduler();
35             
36             scheduler.start(); // start
37             scheduler.shutdown(); // end
38         } catch (SchedulerException e) {
39             e.printStackTrace();
40         }
41     }
42 }
43