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);              }             */  } }