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);  

            } 

            */  


 } 


}