/*
* Copyright 2005 - 2009 Terracotta, Inc.
*
* 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.example2;
import static org.quartz.DateBuilder.futureDate;
import static org.quartz.JobBuilder.newJob;
import static org.quartz.JobKey.jobKey;
import static org.quartz.SimpleScheduleBuilder.simpleSchedule;
import static org.quartz.TriggerBuilder.newTrigger;
import java.util.Date;
import org.quartz.DateBuilder;
import org.quartz.JobDetail;
import org.quartz.Scheduler;
import org.quartz.SchedulerFactory;
import org.quartz.SchedulerMetaData;
import org.quartz.SimpleTrigger;
import org.quartz.DateBuilder.IntervalUnit;
import org.quartz.impl.StdSchedulerFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* This Example will demonstrate all of the basics of scheduling capabilities
* of Quartz using Simple Triggers.
*
* @author Bill Kratzer
*/
public class SimpleTriggerExample {
public void run() throws Exception {
Logger log = LoggerFactory.getLogger(SimpleTriggerExample.class);
log.info("------- Initializing -------------------");
// First we must get a reference to a scheduler
SchedulerFactory sf = new StdSchedulerFactory();
Scheduler sched = sf.getScheduler();
log.info("------- Initialization Complete --------");
log.info("------- Scheduling Jobs ----------------");
// jobs can be scheduled before sched.start() has been called
// get a "nice round" time a few seconds in the future...
Date startTime = DateBuilder.nextGivenSecondDate(null, 15);
// job1 will only fire once at date/time "ts"
JobDetail job = newJob(SimpleJob.class)
.withIdentity("job1", "group1")
.build();
SimpleTrigger trigger = (SimpleTrigger) newTrigger()
.withIdentity("trigger1", "group1")
.startAt(startTime)
.build();
// schedule it to run!
Date ft = sched.scheduleJob(job, trigger);
log.info(job.getKey() +
" will run at: " + ft +
" and repeat: " + trigger.getRepeatCount() +
" times, every " + trigger.getRepeatInterval() / 1000 + " seconds");
// job2 will only fire once at date/time "ts"
job = newJob(SimpleJob.class)
.withIdentity("job2", "group1")
.build();
trigger = (SimpleTrigger) newTrigger()
.withIdentity("trigger2", "group1")
.startAt(startTime)
.build();
ft = sched.scheduleJob(job, trigger);
log.info(job.getKey() +
" will run at: " + ft +
" and repeat: " + trigger.getRepeatCount() +
" times, every " + trigger.getRepeatInterval() / 1000 + " seconds");
// job3 will run 11 times (run once and repeat 10 more times)
// job3 will repeat every 10 seconds
job = newJob(SimpleJob.class)
.withIdentity("job3", "group1")
.build();
trigger = newTrigger()
.withIdentity("trigger3", "group1")
.startAt(startTime)
.withSchedule(simpleSchedule()
.withIntervalInSeconds(10)
.withRepeatCount(10))
.build();
ft = sched.scheduleJob(job, trigger);
log.info(job.getKey() +
" will run at: " + ft +
" and repeat: " + trigger.getRepeatCount() +
" times, every " + trigger.getRepeatInterval() / 1000 + " seconds");
// the same job (job3) will be scheduled by a another trigger
// this time will only repeat twice at a 70 second interval
trigger = newTrigger()
.withIdentity("trigger3", "group2")
.startAt(startTime)
.withSchedule(simpleSchedule()
.withIntervalInSeconds(10)
.withRepeatCount(2))
.forJob(job)
.build();
ft = sched.scheduleJob(trigger);
log.info(job.getKey() +
" will [also] run at: " + ft +
" and repeat: " + trigger.getRepeatCount() +
" times, every " + trigger.getRepeatInterval() / 1000 + " seconds");
// job4 will run 6 times (run once and repeat 5 more times)
// job4 will repeat every 10 seconds
job = newJob(SimpleJob.class)
.withIdentity("job4", "group1")
.build();
trigger = newTrigger()
.withIdentity("trigger4", "group1")
.startAt(startTime)
.withSchedule(simpleSchedule()
.withIntervalInSeconds(10)
.withRepeatCount(5))
.build();
ft = sched.scheduleJob(job, trigger);
log.info(job.getKey() +
" will run at: " + ft +
" and repeat: " + trigger.getRepeatCount() +
" times, every " + trigger.getRepeatInterval() / 1000 + " seconds");
// job5 will run once, five minutes in the future
job = newJob(SimpleJob.class)
.withIdentity("job5", "group1")
.build();
trigger = (SimpleTrigger) newTrigger()
.withIdentity("trigger5", "group1")
.startAt(futureDate(5, IntervalUnit.MINUTE))
.build();
ft = sched.scheduleJob(job, trigger);
log.info(job.getKey() +
" will run at: " + ft +
" and repeat: " + trigger.getRepeatCount() +
" times, every " + trigger.getRepeatInterval() / 1000 + " seconds");
// job6 will run indefinitely, every 40 seconds
job = newJob(SimpleJob.class)
.withIdentity("job6", "group1")
.build();
trigger = newTrigger()
.withIdentity("trigger6", "group1")
.startAt(startTime)
.withSchedule(simpleSchedule()
.withIntervalInSeconds(40)
.repeatForever())
.build();
ft = sched.scheduleJob(job, trigger);
log.info(job.getKey() +
" will run at: " + ft +
" and repeat: " + trigger.getRepeatCount() +
" times, every " + trigger.getRepeatInterval() / 1000 + " seconds");
log.info("------- Starting Scheduler ----------------");
// All of the jobs have been added to the scheduler, but none of the jobs
// will run until the scheduler has been started
sched.start();
log.info("------- Started Scheduler -----------------");
// jobs can also be scheduled after start() has been called...
// job7 will repeat 20 times, repeat every five minutes
job = newJob(SimpleJob.class)
.withIdentity("job7", "group1")
.build();
trigger = newTrigger()
.withIdentity("trigger7", "group1")
.startAt(startTime)
.withSchedule(simpleSchedule()
.withIntervalInMinutes(5)
.withRepeatCount(20))
.build();
ft = sched.scheduleJob(job, trigger);
log.info(job.getKey() +
" will run at: " + ft +
" and repeat: " + trigger.getRepeatCount() +
" times, every " + trigger.getRepeatInterval() / 1000 + " seconds");
// jobs can be fired directly... (rather than waiting for a trigger)
job = newJob(SimpleJob.class)
.withIdentity("job8", "group1")
.storeDurably()
.build();
sched.addJob(job, true);
log.info("'Manually' triggering job8...");
sched.triggerJob(jobKey("job8", "group1"));
log.info("------- Waiting 30 seconds... --------------");
try {
// wait 33 seconds to show jobs
Thread.sleep(30L * 1000L);
// executing...
} catch (Exception e) {
}
// jobs can be re-scheduled...
// job 7 will run immediately and repeat 10 times for every second
log.info("------- Rescheduling... --------------------");
trigger = newTrigger()
.withIdentity("trigger7", "group1")
.startAt(startTime)
.withSchedule(simpleSchedule()
.withIntervalInMinutes(5)
.withRepeatCount(20))
.build();
ft = sched.rescheduleJob(trigger.getKey(), trigger);
log.info("job7 rescheduled to run at: " + ft);
log.info("------- Waiting five minutes... ------------");
try {
// wait five minutes to show jobs
Thread.sleep(300L * 1000L);
// executing...
} catch (Exception e) {
}
log.info("------- Shutting Down ---------------------");
sched.shutdown(true);
log.info("------- Shutdown Complete -----------------");
// display some stats about the schedule that just ran
SchedulerMetaData metaData = sched.getMetaData();
log.info("Executed " + metaData.getNumberOfJobsExecuted() + " jobs.");
}
public static void main(String[] args) throws Exception {
SimpleTriggerExample example = new SimpleTriggerExample();
example.run();
}
}