Quartz Job Scheduling Framework［翻译］第五章. Cron 触发器及相关内容 (第四部分)

 1public class Listing_5_4 {
 2     static Log logger = LogFactory.getLog(Listing_5_4.class);
 3
 4    public static void main(String[] args) {
 5         Listing_5_4 example = new Listing_5_4();
 6         example.runScheduler();
 7    }
 8
 9    public void runScheduler() {
10         Scheduler scheduler = null;
11
12         try {
13              // Create a default instance of the Scheduler
14              scheduler = StdSchedulerFactory.getDefaultScheduler();
15              scheduler.start();
16              logger.info("Scheduler was started at " + new Date());
17
18              // Create the JobDetail
19              JobDetail jobDetail = new JobDetail("PrintInfoJob",
20                                           Scheduler.DEFAULT_GROUP,
21                                           PrintInfoJob.class);
22
23              // Create a trigger that fires once right away
24              Trigger trigger = TriggerUtils.makeImmediateTrigger(0, 0);
25
26              trigger.setName("FireOnceNowTrigger");
27
28              scheduler.scheduleJob(jobDetail, trigger);
29         } catch (SchedulerException ex) {
30             logger.error(ex);
31         }
32    }
33}