Quartz之SimpleTrigger

SimpleTrigger:
它只能用于指定任务在一个特定时间内运行,可指定任务的重复(时间,次数)与间隔(时间,次数)
代码说明了一切,请参见注释!
工程图片

SimpleJob.java

import java.text.SimpleDateFormat;
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;

public class SimpleJob implements Job {

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

    public SimpleJob() {    }
    
    public void execute(JobExecutionContext context)
        throws JobExecutionException {
      
        JobKey jobKey = context.getJobDetail().getKey();        
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");      
        _log.error("Quarta JobKey : " + jobKey + " 执行时间:  " + sdf.format(new Date()));
        
    }
}

SimpleTriggerExample.java

import static org.quartz.JobBuilder.newJob;
import static org.quartz.SimpleScheduleBuilder.simpleSchedule;
import static org.quartz.TriggerBuilder.newTrigger;

import java.text.SimpleDateFormat;
import java.util.Date;

import org.quartz.DateBuilder;
import org.quartz.JobDetail;
import org.quartz.Scheduler;
import org.quartz.SchedulerFactory;
import org.quartz.SchedulerMetaData;
import org.quartz.SimpleTrigger;
import org.quartz.impl.StdSchedulerFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * SimpleTrigger:它只能用于指定任务在一个特定时间内运行,可指定任务的重复(时间,次数)与间隔(时间,次数)
 * */
public class SimpleTriggerExample {

	Logger log = LoggerFactory.getLogger(SimpleTriggerExample.class);

	public void run() throws Exception {

		// 通过SchedulerFactory获取一个调度器实例
		SchedulerFactory sf = new StdSchedulerFactory();
		Scheduler sched = sf.getScheduler();

		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");

		// 在当前时间15秒后运行
		Date startTime = DateBuilder.nextGivenSecondDate(null,15);

		// 通过过JobDetail封装SimpleJob，同时指定Job在Scheduler中所属组及名称，这里，组名为group1，而名称为job1。
		JobDetail job = newJob(SimpleJob.class).withIdentity("job1", "group1").build();

		// 创建一个SimpleTrigger实例，指定该Trigger在Scheduler中所属组及名称。
		// 接着设置调度的时间规则.当前时间15秒后运行，每10秒运行一次，共运行5次
		/*SimpleTrigger trigger = (SimpleTrigger) newTrigger().withIdentity("trigger1", "group1")
								.startAt(startTime).withSchedule(simpleSchedule()											
								.withIntervalInSeconds(10)
								.withRepeatCount(5)
								)
								.build();*/
		
		//从当前时间开始,每10秒钟执行一次,直到程序结束为止
		/*SimpleTrigger trigger = (SimpleTrigger) newTrigger().withIdentity("trigger1", "group1")
								.startAt(startTime).withSchedule(simpleSchedule()											
								.withIntervalInSeconds(10)
								.repeatForever()
								)
								.build();*/
		
		//从当前时间开始,每一分钟执行一次,在设置withIntervalInSeconds(10)无效
		/*SimpleTrigger trigger = (SimpleTrigger) newTrigger().withIdentity("trigger1", "group1")
		.startAt(startTime).withSchedule(simpleSchedule()											
		//.withIntervalInSeconds(10)
		.repeatMinutelyForever()
		)
		.build();*/

		
		//从当前时间开始,repeatMinutelyForever(10),不带参数为每分钟执行一次,带了参数等于: 60*10
		/*SimpleTrigger trigger = (SimpleTrigger) newTrigger().withIdentity("trigger1", "group1")
		.startAt(startTime).withSchedule(simpleSchedule()	
		.repeatMinutelyForever(10)
		)
		.build();*/
		
		
		//从当前时间开始,每秒钟执行一次,当然带了参数等于1*? ^_^
		/*SimpleTrigger trigger = (SimpleTrigger) newTrigger().withIdentity("trigger1", "group1")
		.startAt(startTime).withSchedule(simpleSchedule()	
		.repeatSecondlyForever()
		)
		.build();*/
		
		//repeatHourlyForever()方法是第1小时执行一次,带了参数等于1*?
		
		//从当前时间开始,每1分钟执行一次,并且只执行4次
		/*SimpleTrigger trigger = (SimpleTrigger) newTrigger().withIdentity("trigger1", "group1")
		.startAt(startTime).withSchedule(simpleSchedule()	
		.repeatMinutelyForTotalCount(5)
		)
		.build();*/
		
		//repeatSecondlyForTotalCount(5),反过来说：只执行4次,每次执行的间隔为1秒钟
		
		//当前时间的加上5分钟
		Date endTime = DateBuilder.nextGivenMinuteDate(null, 5);
		System.out.println("开始时间: "+ sdf.format(startTime)+",结束时间: "+sdf.format(endTime));
		
		//这个比较常用吧
		//指定从: startTime为开始时间,endTime为结束时间,规则:每2秒钟执行一次,repeatForever()方法表示重复执行,一直到结束时间
		SimpleTrigger trigger = (SimpleTrigger) newTrigger().withIdentity("trigger1", "group1")
		.startAt(startTime)	
		.endAt(endTime)		
		.withSchedule(
				simpleSchedule()
				.withIntervalInSeconds(2)
				.repeatForever()
		)					
		.build();		
		
		// 注册并进行调度
		Date ft = sched.scheduleJob(job, trigger);
		
		//getRepeatInterval()指：执行任务间的间隔时间,getRepeatCount()表示总共执行多少次,-1表示未知
		log.error(job.getKey() + " will run at: " + sdf.format(ft)
				+ " and repeat: " + trigger.getRepeatCount() + " times, every "
				+ trigger.getRepeatInterval() / 1000 + " seconds");

		// 调度启动
		sched.start();

		try {
			//1分钟
			Thread.sleep(600L * 1000L);
			
		} catch (Exception e) {
		}

		//调度器停止
		sched.shutdown(true);
		
		SchedulerMetaData metaData = sched.getMetaData();
		//总共运行了多少个任务
		log.error("Executed " + metaData.getNumberOfJobsExecuted() + " jobs.");
	}

	public static void main(String[] args) throws Exception {
		
		SimpleTriggerExample example = new SimpleTriggerExample();
		example.run();
	}
}

工程请参见附件!