quartz 应用实例-example1

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;

public class HelloJob implements Job {

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

	public HelloJob() {
	}

	public void execute(JobExecutionContext context)
			throws JobExecutionException {

		_log.info("Hello World! - " + new Date());
	}
}

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;

/**
 * 演示怎样启动和关闭Quartz scheduler，怎样调度并运行一个job
 */
public class SimpleExample {

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

		log.info("------- Initializing ----------------------");

		// 实现获取一个scheduler实例
		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  -------------------");

		// 定义一个绑定到 HelloJob class的 job实例
		JobDetail job = newJob(HelloJob.class).withIdentity("job1", "group1")
				.build();

		// 定义一个该job的触发器
		Trigger trigger = newTrigger().withIdentity("trigger1", "group1")
				.startAt(runTime).build();

		// 通知quartz使用触发器调度job
		sched.scheduleJob(job, trigger);
		log.info(job.getKey() + " will run at: " + runTime);

		// 启动 scheduler (启动之前，任何任务都不会运行)
		sched.start();

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

		log.info("------- Waiting 20 seconds... -------------");
		try {
			Thread.sleep(20L * 1000L);
			// executing...
		} catch (Exception e) {
		}

		// 关闭 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();

	}

}

org.quartz.scheduler.instanceName: PriorityExampleScheduler

# Set thread count to 1 to force Triggers scheduled for the same time to 
# to be ordered by priority.
org.quartz.threadPool.threadCount: 1
org.quartz.threadPool.class: org.quartz.simpl.SimpleThreadPool

org.quartz.jobStore.class: org.quartz.simpl.RAMJobStore

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">

<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">

  <appender name="default" class="org.apache.log4j.ConsoleAppender">
    <param name="target" value="System.out"/>
    <layout class="org.apache.log4j.PatternLayout">
      <param name="ConversionPattern" value="[%p] %d %t [%c]%m%n"/>
    </layout>
  </appender>


 <logger name="org.quartz">
   <level value="info" />
 </logger>

  <root>
    <level value="info" />
    <appender-ref ref="default" />
  </root>

  
</log4j:configuration>

关联的jar包：quartz-2.1.7.jar c3p0-0.9.1.1.jar slf4j-api-1.6.1.jar slf4j-log4j12-1.6.1.jar log4j-1.2.16.jar