QuartzManager定時器管理

@Component
@Scope("singleton")
@Slf4j
public class QuartzManager implements ApplicationListener<ApplicationPreparedEvent> {
    private static SchedulerFactory schedulerFactory = new StdSchedulerFactory();
    private Scheduler scheduler;

    @Autowired
    private EquipmentPlanRepository equipmentPlanRepository;

    /**
     * 啓動所有任務
     */
    public void startAllPlan() {
        try {
            this.scheduler = schedulerFactory.getScheduler();
            List<EquipmentPlan> equipmentPlan = equipmentPlanRepository.findByPlanningState();
            equipmentPlan.forEach(this::addPlan);
        } catch (SchedulerException e) {
            log.error(e.getMessage(), e);
            throw new RuntimeException("任務註冊失敗");
        }
    }

    /**
     * 添加任務
     */
    public void addPlan(EquipmentPlan plan) {
        if (DateTimeUtils.todayIn(plan.getStartTime(), plan.getEndTime()) && plan.getPlanningState().equals(PlanTypeOrState.START_USING.getState())) {
            if (!CronExpression.isValidExpression(plan.getPollingTime())) {
                log.error("時間表達式錯誤，請重新設置！");
                return;
            }
            JobDetail jobDetail = JobBuilder.newJob()
                    .withIdentity(new JobKey(plan.getId().toString()))
                    .usingJobData("equipmentPlan", JSON.toJSONString(plan))
                    .ofType(PlanMakeTask.class)
                    .withDescription(plan.getPlanName())
                    .build();
            CronScheduleBuilder csb = CronScheduleBuilder.cronSchedule(plan.getPollingTime());
            csb.withMisfireHandlingInstructionDoNothing();
            Trigger trigger = TriggerBuilder.newTrigger()
                    .forJob(jobDetail)
                    .withSchedule(csb)
                    .withIdentity(new TriggerKey(plan.getId().toString()))
                    .build();
            //判斷任務在定時器中是否已經存在，若存在將不再添加，避免重複添加任務
            try {
                if (!scheduler.checkExists(jobDetail.getKey())) {
                    scheduler.scheduleJob(jobDetail, trigger);
                    scheduler.start();
                }
            } catch (SchedulerException se) {
                log.error(se.getMessage() + ":" + plan.toString());
            }

        }

    }

    /**
     * 更新任務
     *
     * @param jobName 任務名稱
     * @param cronExp 時間表達式
     * @return 返回操作結果
     */
    public boolean updateJob(String jobName, String cronExp) {
        boolean result = false;
        if (!CronExpression.isValidExpression(cronExp)) {
            log.error("時間表達式錯誤{}", cronExp);
            return result;
        }
        JobKey jobKey = new JobKey(jobName);
        TriggerKey triggerKey = new TriggerKey(jobName);
        try {
            if (scheduler.checkExists(jobKey) && scheduler.checkExists(triggerKey)) {
                JobDetail jobDetail = scheduler.getJobDetail(jobKey);
                Trigger newTrigger = TriggerBuilder.newTrigger()
                        .forJob(jobDetail)
                        .withSchedule(CronScheduleBuilder.cronSchedule(cronExp))
                        .withIdentity(new TriggerKey(jobName))
                        .build();
                scheduler.rescheduleJob(triggerKey, newTrigger);
                result = true;
            } else {
                log.error("更新任務:{},任務組:{} 或者時間:{},任務組:{} 不存在",
                        jobKey.getName(), jobKey.getGroup(), triggerKey.getName(), triggerKey.getGroup());
            }
        } catch (SchedulerException e) {
            log.error(e.getMessage(), e);
            log.error("更新任務:{},任務組:{} 失敗!", jobKey.getName(), jobKey.getGroup());
        }
        return result;
    }

    /**
     * 刪除任務
     *
     * @param jobName 任務名稱
     * @return 返回操作結果
     */
    public boolean deleteJob(String jobName) {
        boolean result = false;
        JobKey jobKey = new JobKey(jobName);
        try {
            if (scheduler.checkExists(jobKey)) {
                result = scheduler.deleteJob(jobKey);
            } else {
                log.error("刪除 任務:{},任務組:{} 不存在.", jobKey.getName(), jobKey.getGroup());
            }
        } catch (SchedulerException e) {
            log.error(e.getMessage(), e);
            log.error("刪除 任務:{},任務組:{} 失敗!", jobKey.getName(), jobKey.getGroup());
        }
        return result;
    }

    /**
     * 暫停指定任務
     */
    public void pauseJob(String jobName) {
        JobKey jobKey = new JobKey(jobName);
        try {
            if (scheduler.checkExists(jobKey)) {
                scheduler.pauseJob(jobKey);
            } else {
                log.error("delete job name:{},group name:{} not exists.", jobKey.getName(), jobKey.getGroup());
            }
        } catch (SchedulerException e) {
            log.error(e.getMessage(), e);
        }
    }

    /**
     * 重啓指定的任務
     */
    public void resumeJob(String jobName) {
        JobKey jobKey = new JobKey(jobName);
        try {
            if (scheduler.checkExists(jobKey)) {
                scheduler.resumeJob(jobKey);
            } else {
                log.error("delete job name:{},group name:{} not exists.", jobKey.getName(), jobKey.getGroup());
            }
        } catch (SchedulerException e) {
            log.error(e.getMessage(), e);
        }
    }

    /**
     * Handle an application event.
     *
     * @param event the event to respond to
     */
    @Override
    public void onApplicationEvent(ApplicationPreparedEvent event) {
        startAllPlan();
    }
}