Quartz定时器

本例子取自quartz官方。

/* 
 * 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.example1;

import static org.quartz.JobBuilder.newJob;
import static org.quartz.TriggerBuilder.newTrigger;
import static org.quartz.DateBuilder.*;

import java.util.Date;

import org.quartz.JobDetail;
import org.quartz.Scheduler;
import org.quartz.SchedulerFactory;
import org.quartz.Trigger;
import org.quartz.impl.StdSchedulerFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * This Example will demonstrate how to start and shutdown the Quartz 
 * scheduler and how to schedule a job to run in Quartz.
 * 
 * @author Bill Kratzer
 */
public class SimpleExample {

    
    public void run() throws Exception {
        Logger log = LoggerFactory.getLogger(SimpleExample.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 -----------");

        // computer a time that is on the next round minute
        Date runTime = evenMinuteDate(new Date());

        log.info("------- Scheduling Job  -------------------");

        // define the job and tie it to our HelloJob class
        JobDetail job = newJob(HelloJob.class)
            .withIdentity("job1", "group1")
            .build();
        
        // Trigger the job to run on the next round minute
        Trigger trigger = newTrigger()
            .withIdentity("trigger1", "group1")
            .startAt(runTime)
            .build();
        
        // Tell quartz to schedule the job using our trigger
        sched.scheduleJob(job, trigger);
        log.info(job.getKey() + " will run at: " + runTime);  

        // Start up the scheduler (nothing can actually run until the 
        // scheduler has been started)
        sched.start();

        log.info("------- Started Scheduler -----------------");

        // wait long enough so that the scheduler as an opportunity to 
        // run the job!
        log.info("------- Waiting 65 seconds... -------------");
        try {
            // wait 65 seconds to show job
            Thread.sleep(65L * 1000L); 
            // executing...
        } catch (Exception e) {
        }

        // shut down the scheduler
        log.info("------- Shutting Down ---------------------");
        sched.shutdown(true);
        log.info("------- Shutdown Complete -----------------");
    }

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

        SimpleExample example = new SimpleExample();
        example.run();

    }

}

/* 
 * 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.example1;

import java.util.Date;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.quartz.Job;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;

/**
 * <p>
 * This is just a simple job that says "Hello" to the world.
 * </p>
 * 
 * @author Bill Kratzer
 */
public class HelloJob implements Job {

	private static Logger _log = LoggerFactory.getLogger(HelloJob.class);

	/**
	 * <p>
	 * Empty constructor for job initilization
	 * </p>
	 * <p>
	 * Quartz requires a public empty constructor so that the scheduler can
	 * instantiate the class whenever it needs.
	 * </p>
	 */
	public HelloJob() {
	}

	/**
	 * <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 {

		// Say Hello to the World and display the date/time
		_log.info("Hello World! - " + new Date());
	}

}

创建java project，添加上面两个java文件，jar包可以从官方下载，可以直接运行。

HelloJob 继承了 Job，HelloJob就是你要添加的任务，也就是你要实现的业务逻辑，
从SimpleExample中可以看到（注释中）可以看出如何添加一个定时任务。

Trigger,Scheduler



下面是运行结果：

引用

SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/D:/quartz-lib/slf4j-log4j12-1.6.1.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/G:/workspace/lottery1/WebContent/WEB-INF/lib/slf4j-log4j12-1.6.1.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
[INFO] 26 三月 03:26:33.067 下午 main [org.quartz.examples.example1.SimpleExample]
------- Initializing ----------------------

[INFO] 26 三月 03:26:33.095 下午 main [org.quartz.impl.StdSchedulerFactory]
Using default implementation for ThreadExecutor

[INFO] 26 三月 03:26:33.097 下午 main [org.quartz.simpl.SimpleThreadPool]
Job execution threads will use class loader of thread: main

[INFO] 26 三月 03:26:33.111 下午 main [org.quartz.core.SchedulerSignalerImpl]
Initialized Scheduler Signaller of type: class org.quartz.core.SchedulerSignalerImpl

[INFO] 26 三月 03:26:33.112 下午 main [org.quartz.core.QuartzScheduler]
Quartz Scheduler v.2.1.1 created.

[INFO] 26 三月 03:26:33.113 下午 main [org.quartz.simpl.RAMJobStore]
RAMJobStore initialized.

[INFO] 26 三月 03:26:33.113 下午 main [org.quartz.core.QuartzScheduler]
Scheduler meta-data: Quartz Scheduler (v2.1.1) '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.


[INFO] 26 三月 03:26:33.113 下午 main [org.quartz.impl.StdSchedulerFactory]
Quartz scheduler 'DefaultQuartzScheduler' initialized from default resource file in Quartz package: 'quartz.properties'

[INFO] 26 三月 03:26:33.113 下午 main [org.quartz.impl.StdSchedulerFactory]
Quartz scheduler version: 2.1.1

[INFO] 26 三月 03:26:33.113 下午 main [org.quartz.examples.example1.SimpleExample]
------- Initialization Complete -----------

[INFO] 26 三月 03:26:33.114 下午 main [org.quartz.examples.example1.SimpleExample]
------- Scheduling Job  -------------------

[INFO] 26 三月 03:26:33.145 下午 main [org.quartz.examples.example1.SimpleExample]
group1.job1 will run at: Mon Mar 26 15:27:00 CST 2012

[INFO] 26 三月 03:26:33.145 下午 main [org.quartz.core.QuartzScheduler]
Scheduler DefaultQuartzScheduler_$_NON_CLUSTERED started.

[INFO] 26 三月 03:26:33.146 下午 main [org.quartz.examples.example1.SimpleExample]
------- Started Scheduler -----------------

[INFO] 26 三月 03:26:33.146 下午 main [org.quartz.examples.example1.SimpleExample]
------- Waiting 65 seconds... -------------

[INFO] 26 三月 03:26:35.483 下午 Timer-0 [org.quartz.utils.UpdateChecker]
New Quartz update(s) found: 2.1.3 [http://www.terracotta.org/kit/reflector?kitID=default&pageID=QuartzChangeLog]

[INFO] 26 三月 03:27:00.008 下午 DefaultQuartzScheduler_Worker-1 [org.quartz.examples.example1.HelloJob]
Hello World! - Mon Mar 26 15:27:00 CST 2012

[INFO] 26 三月 03:27:38.147 下午 main [org.quartz.examples.example1.SimpleExample]
------- Shutting Down ---------------------

[INFO] 26 三月 03:27:38.147 下午 main [org.quartz.core.QuartzScheduler]
Scheduler DefaultQuartzScheduler_$_NON_CLUSTERED shutting down.

[INFO] 26 三月 03:27:38.147 下午 main [org.quartz.core.QuartzScheduler]
Scheduler DefaultQuartzScheduler_$_NON_CLUSTERED paused.

[INFO] 26 三月 03:27:38.602 下午 main [org.quartz.core.QuartzScheduler]
Scheduler DefaultQuartzScheduler_$_NON_CLUSTERED shutdown complete.

[INFO] 26 三月 03:27:38.602 下午 main [org.quartz.examples.example1.SimpleExample]
------- Shutdown Complete -----------------