jobstateexample.java

来自「Quartz 是个开源的作业调度框架」· Java 代码 · 共 122 行

/* 
 * 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.example4;

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.SchedulerMetaData;
import org.quartz.SimpleTrigger;
import org.quartz.TriggerUtils;
import org.quartz.impl.StdSchedulerFactory;

/**
 * This Example will demonstrate how job parameters can be 
 * passed into jobs and how state can be maintained
 * 
 * @author Bill Kratzer
 */
public class JobStateExample {

	public void run() throws Exception {
		Log log = LogFactory.getLog(JobStateExample.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 ----------------");

		// get a "nice round" time a few seconds in the future....
		long ts = TriggerUtils.getNextGivenSecondDate(null, 10).getTime();

		// job1 will only run 5 times, every 10 seconds
		JobDetail job1 = new JobDetail("job1", "group1", ColorJob.class);
		SimpleTrigger trigger1 = new SimpleTrigger("trigger1", "group1", "job1", "group1",
				new Date(ts), null, 4, 10000);
		// pass initialization parameters into the job
		job1.getJobDataMap().put(ColorJob.FAVORITE_COLOR, "Green");
		job1.getJobDataMap().put(ColorJob.EXECUTION_COUNT, 1);
		
		// schedule the job to run
		Date scheduleTime1 = sched.scheduleJob(job1, trigger1);
		log.info(job1.getFullName() +
				" will run at: " + scheduleTime1 +  
				" and repeat: " + trigger1.getRepeatCount() + 
				" times, every " + trigger1.getRepeatInterval() / 1000 + " seconds");

		// job2 will also run 5 times, every 10 seconds
		JobDetail job2 = new JobDetail("job2", "group1", ColorJob.class);
		SimpleTrigger trigger2 = new SimpleTrigger("trigger2", "group1", "job2", "group1",
				new Date(ts + 1000), null, 4, 10000);
		// pass initialization parameters into the job
		// this job has a different favorite color!
		job2.getJobDataMap().put(ColorJob.FAVORITE_COLOR, "Red");
		job2.getJobDataMap().put(ColorJob.EXECUTION_COUNT, 1);
		
		// schedule the job to run
		Date scheduleTime2 = sched.scheduleJob(job2, trigger2);
		log.info(job1.getFullName() +
				" will run at: " + scheduleTime1 +  
				" and repeat: " + trigger1.getRepeatCount() + 
				" times, every " + trigger1.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 -----------------");
		
		log.info("------- Waiting 60 seconds... -------------");
		try {
			// wait five minutes to show jobs
			Thread.sleep(60L * 1000L); 
			// executing...
		} catch (Exception e) {
		}

		log.info("------- Shutting Down ---------------------");

		sched.shutdown(true);

		log.info("------- Shutdown Complete -----------------");

		SchedulerMetaData metaData = sched.getMetaData();
		log.info("Executed " + metaData.numJobsExecuted() + " jobs.");

	}

	public static void main(String[] args) throws Exception {

		JobStateExample example = new JobStateExample();
		example.run();
	}

}