Spring Autowire石英調度程序

Question

我的Web服務器中運行着一個石英作業，該作業通過Spring進行如下配置：

@Configuration
public class StatisticsJobConfig {

    @Bean
    public JobDetailBean jobDetailBean() {
        JobDetailBean jobDetailBean = new JobDetailBean();
        jobDetailBean.setJobClass(StatisticsJob.class);
        jobDetailBean.setBeanName("statisticsJobBean");
        jobDetailBean.setName("statisticsJob");
        jobDetailBean.setGroup("default");
        return jobDetailBean;
    }

    @Bean
    public CronTriggerBean cronTriggerBean(@Qualifier("jobDetailBean") JobDetailBean jobDetailBean) throws ParseException {
        CronTriggerBean cronTriggerBean = new CronTriggerBean();

        cronTriggerBean.setBeanName("cronTriggerBean");
        cronTriggerBean.setJobDetail(jobDetailBean);
        cronTriggerBean.setCronExpression("0/5 * * * * ?");

        return cronTriggerBean;

    }

    @Bean
    public SchedulerFactoryBean schedulerFactoryBean(@Qualifier("cronTriggerBean") CronTriggerBean cronTriggerBean
            , @Qualifier ApplicationContext applicationContext) {
        SchedulerFactoryBean schedulerFactoryBean = new SchedulerFactoryBean();
        schedulerFactoryBean.setExposeSchedulerInRepository(true);

        schedulerFactoryBean.setTriggers(cronTriggerBean);

        AutowiringSpringBeanJobFactory jobFactory = new AutowiringSpringBeanJobFactory();
        jobFactory.setApplicationContext(applicationContext);
        schedulerFactoryBean.setJobFactory(jobFactory);

        return schedulerFactoryBean;
    }

    public void setCronExpression(String cronExpression) {
        this.cronExpression = cronExpression;
    }


}

（StatisticsJob類擴展了QuartzJobBean並實現了executeInternal方法）。

服務器啟動后，該作業將按照cron表達式成功執行。 但是，我還希望能夠隨意安排這項工作，就像用戶按下按鈕時一樣。 為了做到這一點，我在控制器內創建了一個restful方法，我想在其上注入石英調度程序，如下所示：

@RequestMapping(value = "/triggerJob", method = RequestMethod.GET)
    public ResponseEntity<String> triggerJob(@Qualifier StdSchedulerFactory schedulerFactory) {

        try {
            Scheduler scheduler = schedulerFactory.getScheduler();

            JobDetail jobDetail = new JobDetail("statisticsJob",StatisticsJob.class);


            scheduler.scheduleJob(jobDetail,TriggerUtils.makeImmediateTrigger("new",0, 0));


        } catch (SchedulerException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        return new ResponseEntity<>(HttpStatus.OK);

    }

但是，即使執行了上面的代碼，也從未計划過作業。 我做錯了什么？ 我可以嘗試另一種方法嗎？

Answer 1

解決方案是在我的Controller中自動連接SchedulerFactoryBean本身，並在可通過其訪問的調度程序上調用rescheduleJob方法：

@Autowired
private SchedulerFactoryBean schedulerFactory;

@RequestMapping(value = "/triggerJob", method = RequestMethod.GET)
public ResponseEntity<String> triggerJob() {
    try {
        schedulerFactory.getScheduler().triggerJob("statisticsJob", "default");
    } catch (SchedulerException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    return new ResponseEntity<>(HttpStatus.OK);
}