Examples of org.quartz.Scheduler.checkExists()

            jobDataMap.put(SchedulerServiceConstants.TENANT_IDENTIFIER, ThreadLocalContextUtil.getTenant().getTenantIdentifier());
            final String key = scheduledJobDetail.getJobKey();
            final JobKey jobKey = constructJobKey(key);
            final String schedulerName = getSchedulerName(scheduledJobDetail);
            final Scheduler scheduler = this.schedulers.get(schedulerName);
            if (scheduler == null || !scheduler.checkExists(jobKey)) {
                final JobDetail jobDetail = createJobDetail(scheduledJobDetail);
                final String tempSchedulerName = "temp" + scheduledJobDetail.getId();
                final Scheduler tempScheduler = createScheduler(tempSchedulerName, 1, schedulerJobListener, schedulerStopListener);
                tempScheduler.addJob(jobDetail, true);
                jobDataMap.put(SchedulerServiceConstants.SCHEDULER_NAME, tempSchedulerName);

                .getDefaultScheduler();
                                
                        JobKey jobKey = jobKey("Reconnect", "FritzBox");
                        TriggerKey triggerKey = triggerKey("Reconnect", "FritzBox");
                        
                        if (sched.checkExists(jobKey)) {
                            logger.debug("Daily reconnection job already exists");
                        } else {
                            CronScheduleBuilder scheduleBuilder = 
                                CronScheduleBuilder.cronSchedule(cronSchedule);

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