Quartz-CronTrigger解读

Support for specifying both a day-of-week AND a day-of-month parameter is not implemented.

'?' can only be specfied for Day-of-Month -OR- Day-of-Week.

0 0/5 * * * ?

10 0/5 * * * ?

0 30 10-13 ? * WED,FRI

0 0/30 8-9 5,20 * ?

import static org.quartz.TriggerBuilder.*;
import static org.quartz.CronScheduleBuilder.*;
import static org.quartz.DateBuilder.*:

trigger = newTrigger()
    .withIdentity("trigger3", "group1")
    .withSchedule(cronSchedule("0 0/2 8-17 * * ?"))
    .forJob("myJob", "group1")
    .build();

trigger = newTrigger()
    .withIdentity("trigger3", "group1")
    .withSchedule(dailyAtHourAndMinute(10, 42))
    .forJob(myJobKey)
    .build();

trigger = newTrigger()
    .withIdentity("trigger3", "group1")
    .withSchedule(cronSchedule("0 42 10 * * ?"))
    .forJob(myJobKey)
    .build();

trigger = newTrigger()
    .withIdentity("trigger3", "group1")
    .withSchedule(weeklyOnDayAndHourAndMinute(DateBuilder.WEDNESDAY, 10, 42))
    .forJob(myJobKey)
    .inTimeZone(TimeZone.getTimeZone("America/Los_Angeles"))
    .build();

trigger = newTrigger()
    .withIdentity("trigger3", "group1")
    .withSchedule(cronSchedule("0 42 10 ? * WED"))
    .inTimeZone(TimeZone.getTimeZone("America/Los_Angeles"))
    .forJob(myJobKey)
    .build();

MISFIRE_INSTRUCTION_IGNORE_MISFIRE_POLICY
MISFIRE_INSTRUCTION_DO_NOTHING
MISFIRE_INSTRUCTION_FIRE_NOW

  trigger = newTrigger()
    .withIdentity("trigger3", "group1")
    .withSchedule(cronSchedule("0 0/2 8-17 * * ?")
    .withMisfireHandlingInstructionFireAndProceed())
    .forJob("myJob", "group1")
    .build();

package com.xgj.quartz.quartzItself.cronTriggerDemo;

import static org.quartz.CronScheduleBuilder.cronSchedule;
import static org.quartz.JobBuilder.newJob;
import static org.quartz.TriggerBuilder.newTrigger;

import java.util.Date;

import org.apache.log4j.Logger;
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;

/**
 * 
 * 
 * @ClassName: CronTriggerExample
 * 
 * @Description: This Example will demonstrate all of the basics of scheduling
 *               capabilities of Quartz using Cron Triggers.
 * 
 * @author: Mr.Yang
 * 
 * @date: 2017年10月7日 下午10:46:05
 */
public class CronTriggerExample {
	public void run() throws Exception {
		Logger log = Logger.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();
	}
}

/* 
 * 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 com.xgj.quartz.quartzItself.cronTriggerDemo;

import java.util.Date;

import org.apache.log4j.Logger;
import org.quartz.Job;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;
import org.quartz.JobKey;


/**
 * 
 * This is just a simple job that gets fired off many times by example 1
 * 
 * 
 */
public class SimpleJob implements Job {

	private static Logger _log = Logger.getLogger(SimpleJob.class);

    /**
     * Quartz requires a public empty constructor so that the
     * scheduler can instantiate the class whenever it needs.
     */
    public SimpleJob() {
    }

    /**
     * 
     * Called by the {@link org.quartz.Scheduler} when a
     * {@link org.quartz.Trigger} fires that is associated with
     * the Job.
     * 
     * 
     * @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());
    }

}