Shows how Cron Triggers can be used to schedule your job
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/*
* All content copyright Terracotta, Inc., unless otherwise indicated. All rights reserved.
*
* 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.example3;
import java.util.Date;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.quartz.Job;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;
import org.quartz.JobKey;
/**
* <p>
* This is just a simple job that gets fired off many times by example 1
* </p>
*
* @author Bill Kratzer
*/
public class SimpleJob implements Job {
private static Logger _log = LoggerFactory.getLogger(SimpleJob.class);
/**
* Quartz requires a public empty constructor so that the
* scheduler can instantiate the class whenever it needs.
*/
public SimpleJob() {
}
/**
* <p>
* Called by the <code>{@link org.quartz.Scheduler}</code> when a
* <code>{@link org.quartz.Trigger}</code> fires that is associated with
* the <code>Job</code>.
* </p>
*
* @throws JobExecutionException
* if there is an exception while executing the job.
*/
public void execute(JobExecutionContext context)
throws JobExecutionException {
// This job simply prints out its job name and the
// date and time that it is running
JobKey jobKey = context.getJobDetail().getKey();
_log.info("SimpleJob says: " + jobKey + " executing at " + new Date());
}
}
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/*
* All content copyright Terracotta, Inc., unless otherwise indicated. All rights reserved.
*
* 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.example3;
import static org.quartz.CronScheduleBuilder.cronSchedule;
import static org.quartz.JobBuilder.newJob;
import static org.quartz.TriggerBuilder.newTrigger;
import org.quartz.CronTrigger;
import org.quartz.JobDetail;
import org.quartz.Scheduler;
import org.quartz.SchedulerFactory;
import org.quartz.SchedulerMetaData;
import org.quartz.impl.StdSchedulerFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Date;
/**
* This Example will demonstrate all of the basics of scheduling capabilities of Quartz using Cron Triggers.
*
* @author Bill Kratzer
*/
public class CronTriggerExample {
public void run() throws Exception {
Logger log = LoggerFactory.getLogger(CronTriggerExample.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
// job 1 will run every 20 seconds
JobDetail job = newJob(SimpleJob.class).withIdentity("job1", "group1").build();
CronTrigger trigger = newTrigger().withIdentity("trigger1", "group1")//
.withSchedule(cronSchedule("0/20 * * * * ?"))//
.build();
Date ft = sched.scheduleJob(job, trigger);
log.info(job.getKey() + " has been scheduled to run at: " + ft + " and repeat based on expression: "
+ trigger.getCronExpression());
// job 2 will run every other minute (at 15 seconds past the minute)
job = newJob(SimpleJob.class).withIdentity("job2", "group1").build();
trigger = newTrigger().withIdentity("trigger2", "group1")//
.withSchedule(cronSchedule("15 0/2 * * * ?"))//
.build();
ft = sched.scheduleJob(job, trigger);
log.info(job.getKey() + " has been scheduled to run at: " + ft + " and repeat based on expression: "
+ trigger.getCronExpression());
// job 3 will run every other minute but only between 8am and 5pm
job = newJob(SimpleJob.class).withIdentity("job3", "group1").build();
trigger = newTrigger().withIdentity("trigger3", "group1")//
.withSchedule(cronSchedule("0 0/2 8-17 * * ?"))//
.build();
ft = sched.scheduleJob(job, trigger);
log.info(job.getKey() + " has been scheduled to run at: " + ft + " and repeat based on expression: "
+ trigger.getCronExpression());
// job 4 will run every three minutes but only between 5pm and 11pm
job = newJob(SimpleJob.class).withIdentity("job4", "group1").build();
trigger = newTrigger().withIdentity("trigger4", "group1")//
.withSchedule(cronSchedule("0 0/3 17-23 * * ?"))//
.build();
ft = sched.scheduleJob(job, trigger);
log.info(job.getKey() + " has been scheduled to run at: " + ft + " and repeat based on expression: "
+ trigger.getCronExpression());
// job 5 will run at 10am on the 1st and 15th days of the month
job = newJob(SimpleJob.class).withIdentity("job5", "group1").build();
trigger = newTrigger().withIdentity("trigger5", "group1")//
.withSchedule(cronSchedule("0 0 10am 1,15 * ?"))//
.build();
ft = sched.scheduleJob(job, trigger);
log.info(job.getKey() + " has been scheduled to run at: " + ft + " and repeat based on expression: "
+ trigger.getCronExpression());
// job 6 will run every 30 seconds but only on Weekdays (Monday through Friday)
job = newJob(SimpleJob.class).withIdentity("job6", "group1").build();
trigger = newTrigger().withIdentity("trigger6", "group1")//
.withSchedule(cronSchedule("0,30 * * ? * MON-FRI"))//
.build();
ft = sched.scheduleJob(job, trigger);
log.info(job.getKey() + " has been scheduled to run at: " + ft + " and repeat based on expression: "
+ trigger.getCronExpression());
// job 7 will run every 30 seconds but only on Weekends (Saturday and Sunday)
job = newJob(SimpleJob.class).withIdentity("job7", "group1").build();
trigger = newTrigger().withIdentity("trigger7", "group1")//
.withSchedule(cronSchedule("0,30 * * ? * SAT,SUN"))//
.build();
ft = sched.scheduleJob(job, trigger);
log.info(job.getKey() + " has been scheduled to run at: " + ft + " and repeat based on expression: "
+ trigger.getCronExpression());
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 -----------------");
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 -----------------");
SchedulerMetaData metaData = sched.getMetaData();
log.info("Executed " + metaData.getNumberOfJobsExecuted() + " jobs.");
}
public static void main(String[] args) throws Exception {
CronTriggerExample example = new CronTriggerExample();
example.run();
}
}
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Executing result:
17:05:06.867 INFO org.quartz.examples.example3.CronTriggerExample 45 run - ------- Initializing -------------------
17:05:06.927 INFO org.quartz.impl.StdSchedulerFactory 1172 instantiate - Using default implementation for ThreadExecutor
17:05:06.930 INFO org.quartz.simpl.SimpleThreadPool 268 initialize - Job execution threads will use class loader of thread: main
17:05:06.944 INFO org.quartz.core.SchedulerSignalerImpl 61 <init> - Initialized Scheduler Signaller of type: class org.quartz.core.SchedulerSignalerImpl
17:05:06.944 INFO org.quartz.core.QuartzScheduler 240 <init> - Quartz Scheduler v.2.2.3 created.
17:05:06.946 INFO org.quartz.simpl.RAMJobStore 155 initialize - RAMJobStore initialized.
17:05:06.947 INFO org.quartz.core.QuartzScheduler 305 initialize - Scheduler meta-data: Quartz Scheduler (v2.2.3) 'DefaultQuartzScheduler' with instanceId 'NON_CLUSTERED'
Scheduler class: 'org.quartz.core.QuartzScheduler' - running locally.
NOT STARTED.
Currently in standby mode.
Number of jobs executed: 0
Using thread pool 'org.quartz.simpl.SimpleThreadPool' - with 10 threads.
Using job-store 'org.quartz.simpl.RAMJobStore' - which does not support persistence. and is not clustered.
17:05:06.947 INFO org.quartz.impl.StdSchedulerFactory 1327 instantiate - Quartz scheduler 'DefaultQuartzScheduler' initialized from default resource file in Quartz package: 'quartz.properties'
17:05:06.947 INFO org.quartz.impl.StdSchedulerFactory 1331 instantiate - Quartz scheduler version: 2.2.3
17:05:06.948 INFO org.quartz.examples.example3.CronTriggerExample 51 run - ------- Initialization Complete --------
17:05:06.948 INFO org.quartz.examples.example3.CronTriggerExample 53 run - ------- Scheduling Jobs ----------------
17:05:07.007 INFO org.quartz.examples.example3.CronTriggerExample 65 run - group1.job1 has been scheduled to run at: Sun Aug 12 17:05:20 CST 2018 and repeat based on expression: 0/20 * * * * ?
17:05:07.014 INFO org.quartz.examples.example3.CronTriggerExample 76 run - group1.job2 has been scheduled to run at: Sun Aug 12 17:06:15 CST 2018 and repeat based on expression: 15 0/2 * * * ?
17:05:07.023 INFO org.quartz.examples.example3.CronTriggerExample 87 run - group1.job3 has been scheduled to run at: Sun Aug 12 17:06:00 CST 2018 and repeat based on expression: 0 0/2 8-17 * * ?
17:05:07.027 INFO org.quartz.examples.example3.CronTriggerExample 98 run - group1.job4 has been scheduled to run at: Sun Aug 12 17:06:00 CST 2018 and repeat based on expression: 0 0/3 17-23 * * ?
17:05:07.065 INFO org.quartz.examples.example3.CronTriggerExample 109 run - group1.job5 has been scheduled to run at: Wed Aug 15 10:00:00 CST 2018 and repeat based on expression: 0 0 10AM 1,15 * ?
17:05:07.111 INFO org.quartz.examples.example3.CronTriggerExample 120 run - group1.job6 has been scheduled to run at: Mon Aug 13 00:00:00 CST 2018 and repeat based on expression: 0,30 * * ? * MON-FRI
17:05:07.117 INFO org.quartz.examples.example3.CronTriggerExample 131 run - group1.job7 has been scheduled to run at: Sun Aug 12 17:05:30 CST 2018 and repeat based on expression: 0,30 * * ? * SAT,SUN
17:05:07.119 INFO org.quartz.examples.example3.CronTriggerExample 134 run - ------- Starting Scheduler ----------------
17:05:07.123 INFO org.quartz.core.QuartzScheduler 575 start - Scheduler DefaultQuartzScheduler_$_NON_CLUSTERED started.
17:05:07.125 INFO org.quartz.examples.example3.CronTriggerExample 141 run - ------- Started Scheduler -----------------
17:05:07.126 INFO org.quartz.examples.example3.CronTriggerExample 143 run - ------- Waiting five minutes... ------------
17:05:20.032 INFO org.quartz.examples.example3.SimpleJob 63 execute - SimpleJob says: group1.job1 executing at Sun Aug 12 17:05:20 CST 2018
17:05:30.004 INFO org.quartz.examples.example3.SimpleJob 63 execute - SimpleJob says: group1.job7 executing at Sun Aug 12 17:05:30 CST 2018
17:05:40.003 INFO org.quartz.examples.example3.SimpleJob 63 execute - SimpleJob says: group1.job1 executing at Sun Aug 12 17:05:40 CST 2018
17:06:00.011 INFO org.quartz.examples.example3.SimpleJob 63 execute - SimpleJob says: group1.job1 executing at Sun Aug 12 17:06:00 CST 2018
17:06:00.017 INFO org.quartz.examples.example3.SimpleJob 63 execute - SimpleJob says: group1.job3 executing at Sun Aug 12 17:06:00 CST 2018
17:06:00.027 INFO org.quartz.examples.example3.SimpleJob 63 execute - SimpleJob says: group1.job4 executing at Sun Aug 12 17:06:00 CST 2018
17:06:00.116 INFO org.quartz.examples.example3.SimpleJob 63 execute - SimpleJob says: group1.job7 executing at Sun Aug 12 17:06:00 CST 2018
17:06:15.004 INFO org.quartz.examples.example3.SimpleJob 63 execute - SimpleJob says: group1.job2 executing at Sun Aug 12 17:06:15 CST 2018
17:06:20.003 INFO org.quartz.examples.example3.SimpleJob 63 execute - SimpleJob says: group1.job1 executing at Sun Aug 12 17:06:20 CST 2018
17:06:30.001 INFO org.quartz.examples.example3.SimpleJob 63 execute - SimpleJob says: group1.job7 executing at Sun Aug 12 17:06:30 CST 2018
17:06:40.003 INFO org.quartz.examples.example3.SimpleJob 63 execute - SimpleJob says: group1.job1 executing at Sun Aug 12 17:06:40 CST 2018
17:07:00.021 INFO org.quartz.examples.example3.SimpleJob 63 execute - SimpleJob says: group1.job1 executing at Sun Aug 12 17:07:00 CST 2018
17:07:00.028 INFO org.quartz.examples.example3.SimpleJob 63 execute - SimpleJob says: group1.job7 executing at Sun Aug 12 17:07:00 CST 2018
17:07:20.006 INFO org.quartz.examples.example3.SimpleJob 63 execute - SimpleJob says: group1.job1 executing at Sun Aug 12 17:07:20 CST 2018
17:07:30.003 INFO org.quartz.examples.example3.SimpleJob 63 execute - SimpleJob says: group1.job7 executing at Sun Aug 12 17:07:30 CST 2018