quartz 定时器的动态加载和取消定时任务

import java.io.IOException;
import java.text.ParseException;

import org.quartz.CronTrigger;
import org.quartz.JobDetail;
import org.quartz.Scheduler;
import org.quartz.SchedulerException;
import org.quartz.Trigger;
import org.quartz.impl.StdSchedulerFactory;




public class SechduleTaskServiceImpl{
private Scheduler scheduler;
public static void main(String[] args){
  SechduleTaskServiceImpl s = new SechduleTaskServiceImpl();
  try {
   s.initTimers();
   while(true){
    int i = System.in.read();
    System.out.println("i:"+i);
    if(i=='1'){
     System.out.println("启动新增触发器 2");
     s.enableTimer(2);
    }else if(i=='2'){
     System.out.println("停止掉新增触发器 2");
     s.disableTimer("");
    }else if(i=='3'){
     System.out.println("停止掉原始触发器    1");
     s.disableTimer();
    }else;
    Thread.sleep(1000);
   }
  } catch (SchedulerException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  } catch (ParseException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  } catch (IOException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  } catch (InterruptedException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
}

//��ݶ�ʱ����� ����禁用某个定时器��ʱ��
public void disableTimer(String timerName)throws SchedulerException,ParseException {
  // TODO Auto-generated method stub
  scheduler = StdSchedulerFactory.getDefaultScheduler();
  CronTrigger cronTrigger = (CronTrigger)scheduler.getTrigger("trigger_2", Scheduler.DEFAULT_GROUP); 
        if(null != cronTrigger){ 
            scheduler.unscheduleJob(cronTrigger.getName(), Scheduler.DEFAULT_GROUP); 
        }
}
public void disableTimer()throws SchedulerException,ParseException {
  // TODO Auto-generated method stub
  scheduler = StdSchedulerFactory.getDefaultScheduler();
  CronTrigger cronTrigger = (CronTrigger)scheduler.getTrigger("trigger_1", Scheduler.DEFAULT_GROUP); 
        if(null != cronTrigger){ 
            scheduler.unscheduleJob(cronTrigger.getName(), Scheduler.DEFAULT_GROUP); 
        }
}
//��̬���ʱ�� ���启用某个定时器־
public void enableTimer(Integer timerId) throws SchedulerException,ParseException {
  // TODO Auto-generated method stub
  scheduler = StdSchedulerFactory.getDefaultScheduler();
  JobDetail jobDetail = new JobDetail("reportJob_3", Scheduler.DEFAULT_GROUP,TestJob2.class);
     Trigger trigger = new CronTrigger("trigger_2",Scheduler.DEFAULT_GROUP,"5,15,25,35,45,55 * * * * ?");
     scheduler.scheduleJob(jobDetail, trigger );
//  scheduler.start();

}
//������启用quartz
public void initTimers() throws SchedulerException,ParseException{
 
 
  // TODO Auto-generated method stub
   scheduler = StdSchedulerFactory.getDefaultScheduler();
         //����JobDetailʵ��
      JobDetail jobDetail = new JobDetail("reportJob_1", Scheduler.DEFAULT_GROUP,TestJob.class);
      JobDetail jobDetail2 = new JobDetail("reportJob_2", Scheduler.DEFAULT_GROUP,TestJob2.class);
         //����trigger  �����   
         //Trigger trigger = new SimpleTrigger("dd",Scheduler.DEFAULT_GROUP, 0, 30) ;
        //
       Trigger trigger = new CronTrigger("trigger_1",Scheduler.DEFAULT_GROUP,"0,10,20,30,40,50 * * * * ?");
       Trigger trigger2 = (Trigger)trigger.clone();
       trigger2.setName("trigger_2"); //clone 就是这样用的~~ 哈哈
         // 启用 trigger
       scheduler.scheduleJob(jobDetail, trigger );
//       scheduler.scheduleJob(jobDetail2, trigger2 );
         // scheduler.addjob
         //��ʼ���
       scheduler.start();
         //�����еĶ�ʱ��Դ
        // scheduler.shutdown();
         //禁用 trigger
        // scheduler.unscheduleJob(trigger.getName(), Scheduler.DEFAULT_GROUP);   
       /* 判断任务是否存在
        *  CronTrigger cronTrigger = (CronTrigger)scheduler.getTrigger("trigger_" + rj.getGuId(), Scheduler.DEFAULT_GROUP); 
            if(null != cronTrigger){ 
                scheduler.unscheduleJob(cronTrigger.getName(), Scheduler.DEFAULT_GROUP); 
            }
            */ 

}

}