Quartz入门使用

简单的任务管理类



import java.text.ParseException;
import org.quartz.CronTrigger;
import org.quartz.Job;
import org.quartz.JobDetail;
import org.quartz.Scheduler;
import org.quartz.SchedulerException;
import org.quartz.SchedulerFactory;
import org.quartz.Trigger;
import org.quartz.impl.StdSchedulerFactory;

/** *//**
* @Title:Quartz管理类
*
* @Description:
*
* @Copyright:
* @author zz  2008-10-8 14:19:01
* @version 1.00.000
*
*/
public class QuartzManager {
   private static SchedulerFactory sf = new StdSchedulerFactory();
   private static String JOB_GROUP_NAME = "group1";
   private static String TRIGGER_GROUP_NAME = "trigger1";
 
  
   /** *//**
    *  添加一个定时任务，使用默认的任务组名，触发器名，触发器组名
    * @param jobName 任务名
    * @param job     任务
    * @param time    时间设置，参考quartz说明文档
    * @throws SchedulerException
    * @throws ParseException
    */
   public static void addJob(String jobName,Job job,String time)
                               throws SchedulerException, ParseException{
       Scheduler sched = sf.getScheduler();
       JobDetail jobDetail = new JobDetail(jobName, JOB_GROUP_NAME, job.getClass());//任务名，任务组，任务执行类
       //触发器
       CronTrigger  trigger =
            new CronTrigger(jobName, TRIGGER_GROUP_NAME);//触发器名,触发器组
       trigger.setCronExpression(time);//触发器时间设定
       sched.scheduleJob(jobDetail,trigger);
       //启动
       if(!sched.isShutdown())
          sched.start();
   }
  
   /** *//**
    * 添加一个定时任务
    * @param jobName 任务名
    * @param jobGroupName 任务组名
    * @param triggerName  触发器名
    * @param triggerGroupName 触发器组名
    * @param job     任务
    * @param time    时间设置，参考quartz说明文档
    * @throws SchedulerException
    * @throws ParseException
    */
   public static void addJob(String jobName,String jobGroupName,
                             String triggerName,String triggerGroupName,
                             Job job,String time)
                               throws SchedulerException, ParseException{
       Scheduler sched = sf.getScheduler();
       JobDetail jobDetail = new JobDetail(jobName, jobGroupName, job.getClass());//任务名，任务组，任务执行类
       //触发器
       CronTrigger  trigger =
            new CronTrigger(triggerName, triggerGroupName);//触发器名,触发器组
       trigger.setCronExpression(time);//触发器时间设定
       sched.scheduleJob(jobDetail,trigger);
       if(!sched.isShutdown())
          sched.start();
   }
  
   /** *//**
    * 修改一个任务的触发时间(使用默认的任务组名，触发器名，触发器组名)
    * @param jobName
    * @param time
    * @throws SchedulerException
    * @throws ParseException
    */
   public static void modifyJobTime(String jobName,String time)
                                  throws SchedulerException, ParseException{
       Scheduler sched = sf.getScheduler();
       Trigger trigger =  sched.getTrigger(jobName,TRIGGER_GROUP_NAME);
       if(trigger != null){
           CronTrigger  ct = (CronTrigger)trigger;
           ct.setCronExpression(time);
           sched.resumeTrigger(jobName,TRIGGER_GROUP_NAME);
       }
   }
  
   /** *//**
    * 修改一个任务的触发时间
    * @param triggerName
    * @param triggerGroupName
    * @param time
    * @throws SchedulerException
    * @throws ParseException
    */
   public static void modifyJobTime(String triggerName,String triggerGroupName,
                                    String time)
                                  throws SchedulerException, ParseException{
       Scheduler sched = sf.getScheduler();
       Trigger trigger =  sched.getTrigger(triggerName,triggerGroupName);
       if(trigger != null){
           CronTrigger  ct = (CronTrigger)trigger;
           //修改时间
           ct.setCronExpression(time);
           //重启触发器
           sched.resumeTrigger(triggerName,triggerGroupName);
       }
   }
  
   /** *//**
    * 移除一个任务(使用默认的任务组名，触发器名，触发器组名)
    * @param jobName
    * @throws SchedulerException
    */
   public static void removeJob(String jobName)
                               throws SchedulerException{
       Scheduler sched = sf.getScheduler();
       sched.pauseTrigger(jobName,TRIGGER_GROUP_NAME);//停止触发器
       sched.unscheduleJob(jobName,TRIGGER_GROUP_NAME);//移除触发器
       sched.deleteJob(jobName,JOB_GROUP_NAME);//删除任务
   }
  
   /** *//**
    * 移除一个任务
    * @param jobName
    * @param jobGroupName
    * @param triggerName
    * @param triggerGroupName
    * @throws SchedulerException
    */
   public static void removeJob(String jobName,String jobGroupName,
                                String triggerName,String triggerGroupName)
                               throws SchedulerException{
       Scheduler sched = sf.getScheduler();
       sched.pauseTrigger(triggerName,triggerGroupName);//停止触发器
       sched.unscheduleJob(triggerName,triggerGroupName);//移除触发器
       sched.deleteJob(jobName,jobGroupName);//删除任务
   }
}

测试工作类
import org.quartz.Job;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;

public class TestJob implements Job {

    public void execute(JobExecutionContext arg0) throws JobExecutionException {
        // TODO Auto-generated method stub
        System.out.println("★★★★★★★★★★★");
    }

}
测试类
public class QuartzTest {

    /** *//**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        TestJob job = new TestJob();
        String job_name ="11";
        try {
            System.out.println("【系统启动】");
            QuartzManager.addJob(job_name,job,"0/5 * * * * ?");
           
            Thread.sleep(10000);
            System.out.println("【修改时间】");
            QuartzManager.modifyJobTime(job_name,"0/10 * * * * ?");
            Thread.sleep(20000);
            System.out.println("【移除定时】");
            QuartzManager.removeJob(job_name);
            Thread.sleep(10000);
           
            System.out.println("\n【添加定时任务】");
            QuartzManager.addJob(job_name,job,"0/5 * * * * ?");
           
        }  catch (Exception e) {
            e.printStackTrace();
        }
    }
}