/*  * Copyright 2005 OpenSymphony  *  * Licensed under the Apache License, Version 2.0 (the "License"); you may not  * use this file except in compliance with the License. You may obtain a copy  * of the License at  *  *   http://www.apache.org/licenses/LICENSE-2.0  *    * Unless required by applicable law or agreed to in writing, software  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the  * License for the specific language governing permissions and limitations  * under the License. *  */package org.quartz.examples.example13;import java.util.Date;import org.apache.commons.logging.Log;import org.apache.commons.logging.LogFactory;import org.quartz.JobDetail;import org.quartz.Scheduler;import org.quartz.SchedulerFactory;import org.quartz.SimpleTrigger;import org.quartz.impl.StdSchedulerFactory;/** * Used to test/show the clustering features of JDBCJobStore (JobStoreTX or * JobStoreCMT). *  * <p> * All instances MUST use a different properties file, because their instance * Ids must be different, however all other properties should be the same. * </p> *  * <p> * If you want it to clear out existing jobs & triggers, pass a command-line * argument called "clearJobs". * </p> *  * <p> * You should probably start with a "fresh" set of tables (assuming you may * have some data lingering in it from other tests), since mixing data from a * non-clustered setup with a clustered one can be bad. * </p> *  * <p> * Try killing one of the cluster instances while they are running, and see * that the remaining instance(s) recover the in-progress jobs. Note that * detection of the failure may take up to 15 or so seconds with the default * settings. * </p> *  * <p> * Also try running it with/without the shutdown-hook plugin registered with * the scheduler. (org.quartz.plugins.management.ShutdownHookPlugin). * </p> *  * <p> * <i>Note:</i> Never run clustering on separate machines, unless their * clocks are synchronized using some form of time-sync service (daemon). * </p> *  * @see DumbRecoveryJob *  * @author James House */public class ClusterExample {    private static Log _log = LogFactory.getLog(ClusterExample.class);        public void cleanUp(Scheduler inScheduler) throws Exception {        _log.warn("***** Deleting existing jobs/triggers *****");        // unschedule jobs        String[] groups = inScheduler.getTriggerGroupNames();        for (int i = 0; i < groups.length; i++) {            String[] names = inScheduler.getTriggerNames(groups[i]);            for (int j = 0; j < names.length; j++) {                inScheduler.unscheduleJob(names[j], groups[i]);            }        }        // delete jobs        groups = inScheduler.getJobGroupNames();        for (int i = 0; i < groups.length; i++) {            String[] names = inScheduler.getJobNames(groups[i]);            for (int j = 0; j < names.length; j++) {                inScheduler.deleteJob(names[j], groups[i]);            }        }    }        public void run(boolean inClearJobs, boolean inScheduleJobs)         throws Exception {        // First we must get a reference to a scheduler        SchedulerFactory sf = new StdSchedulerFactory();        Scheduler sched = sf.getScheduler();                if (inClearJobs) {            cleanUp(sched);        }        _log.info("------- Initialization Complete -----------");        if (inScheduleJobs) {            _log.info("------- Scheduling Jobs ------------------");            String schedId = sched.getSchedulerInstanceId();            int count = 1;            JobDetail job = new JobDetail("job_" + count, schedId,                    SimpleRecoveryJob.class);            // ask scheduler to re-execute this job if it was in progress when            // the scheduler went down...            job.setRequestsRecovery(true);            SimpleTrigger trigger =                 new SimpleTrigger("triger_" + count, schedId, 20, 5000L);            trigger.setStartTime(new Date(System.currentTimeMillis() + 1000L));            _log.info(job.getFullName() +                    " will run at: " + trigger.getNextFireTime() +                      " and repeat: " + trigger.getRepeatCount() +                     " times, every " + trigger.getRepeatInterval() / 1000 + " seconds");            sched.scheduleJob(job, trigger);            count++;            job = new JobDetail("job_" + count, schedId,                     SimpleRecoveryJob.class);            // ask scheduler to re-execute this job if it was in progress when            // the scheduler went down...            job.setRequestsRecovery(true);            trigger = new SimpleTrigger("trig_" + count, schedId, 20, 5000L);            trigger.setStartTime(new Date(System.currentTimeMillis() + 2000L));            _log.info(job.getFullName() +                    " will run at: " + trigger.getNextFireTime() +                      " and repeat: " + trigger.getRepeatCount() +                     " times, every " + trigger.getRepeatInterval() / 1000 + " seconds");            sched.scheduleJob(job, trigger);            count++;            job = new JobDetail("job_" + count, schedId,                    SimpleRecoveryStatefulJob.class);            // ask scheduler to re-execute this job if it was in progress when            // the scheduler went down...            job.setRequestsRecovery(true);            trigger = new SimpleTrigger("trig_" + count, schedId, 20, 3000L);            trigger.setStartTime(new Date(System.currentTimeMillis() + 1000L));            _log.info(job.getFullName() +                    " will run at: " + trigger.getNextFireTime() +                      " and repeat: " + trigger.getRepeatCount() +                     " times, every " + trigger.getRepeatInterval() / 1000 + " seconds");            sched.scheduleJob(job, trigger);            count++;            job = new JobDetail("job_" + count, schedId, SimpleRecoveryJob.class);            // ask scheduler to re-execute this job if it was in progress when            // the scheduler went down...            job.setRequestsRecovery(true);            trigger = new SimpleTrigger("trig_" + count, schedId, 20, 4000L);            trigger.setStartTime(new Date(System.currentTimeMillis() + 1000L));            _log.info(job.getFullName() + " will run at: "                    + trigger.getNextFireTime() + " & repeat: "                    + trigger.getRepeatCount() + "/"                    + trigger.getRepeatInterval());            sched.scheduleJob(job, trigger);            count++;            job = new JobDetail("job_" + count, schedId, SimpleRecoveryJob.class);            // ask scheduler to re-execute this job if it was in progress when            // the scheduler went down...            job.setRequestsRecovery(true);            trigger = new SimpleTrigger("trig_" + count, schedId, 20, 4500L);            trigger.setStartTime(new Date(System.currentTimeMillis() + 1000L));            _log.info(job.getFullName() + " will run at: "                    + trigger.getNextFireTime() + " & repeat: "                    + trigger.getRepeatCount() + "/"                    + trigger.getRepeatInterval());            sched.scheduleJob(job, trigger);        }        // jobs don't start firing until start() has been called...        _log.info("------- Starting Scheduler ---------------");        sched.start();        _log.info("------- Started Scheduler ----------------");        _log.info("------- Waiting for one hour... ----------");        try {            Thread.sleep(3600L * 1000L);        } catch (Exception e) {        }        _log.info("------- Shutting Down --------------------");        sched.shutdown();        _log.info("------- Shutdown Complete ----------------");    }    public static void main(String[] args) throws Exception {        boolean clearJobs = false;        boolean scheduleJobs = true;        for (int i = 0; i < args.length; i++) {            if (args[i].equalsIgnoreCase("clearJobs")) {                clearJobs = true;                            } else if (args[i].equalsIgnoreCase("dontScheduleJobs")) {                scheduleJobs = false;            }        }        ClusterExample example = new ClusterExample();        example.run(clearJobs, scheduleJobs);    }}