java重置Timer执行频率

复制代码 1 public class BallUtil { 2 public static Timer fisTimer ; 3 4 public static void fisStartBall(){ 5 long firstTime = 2000l; 6 long time = 2000l; 7 if(fisTimer==null){ 8 fisTimer = new Timer(); 9 } 10 fisTimer.scheduleAtFixedRate(new TimerTask(){ 11 public void run(){ 12 System.out.println("time="+time+"-----firstTime="+"定时器执行"+"----type="+type); 13 Date date = new Date(); 14 int hour = date.getHours(); 15 if(hour==9){ 16 System.out.println("重置频率"); 17 stop();//关闭后再开启 18 start(); 19 //直接更新新的时间 20 //Long newTime = patt.getInt("INTERVDAY")*60l*1000; 21 //resetPeriod(newTime); 22 } 23 } 24 //此方法也可以重置频率，直接传入新的时间 25 public void resetPeriod(final long time) throws IllegalArgumentException, IllegalAccessException{ 26 Field[] fields = this.getClass().getSuperclass() .getDeclaredFields(); 27 for (Field field : fields) 28 { 29 if (field.getName().endsWith("period")) 30 { 31 if (!field.isAccessible()) 32 { 33 field.setAccessible(true); 34 } 35 field.set(this, time); 36 } 37 } 38 } 39 }, firstTime, time); 40 } 41 public static void start(){ 42 fisStartBall(); 43 } 44 45 public static void stop(){ 46 fisTimer.cancel(); 47 } 48 }

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public class BallUtil {
    public static  Timer fisTimer ;
    
    public static void fisStartBall(){
        long firstTime = 2000l;
        long time = 2000l;
        if(fisTimer==null){
            fisTimer = new Timer();
        }
        fisTimer.scheduleAtFixedRate(new TimerTask(){
            public void run(){
                System.out.println("time="+time+"-----firstTime="+"定时器执行"+"----type="+type);
                Date date = new Date();
                int hour = date.getHours();
                if(hour==9){
                        System.out.println("重置频率");
                        stop();//关闭后再开启
                        start();
                        //直接更新新的时间
                        //Long newTime = patt.getInt("INTERVDAY")*60l*1000;
                        //resetPeriod(newTime);
                }
            }
            //此方法也可以重置频率，直接传入新的时间
            public void resetPeriod(final long time) throws IllegalArgumentException, IllegalAccessException{
                Field[] fields = this.getClass().getSuperclass() .getDeclaredFields();  
                   for (Field field : fields)  
                   {  
                       if (field.getName().endsWith("period"))  
                       {  
                           if (!field.isAccessible())  
                           {  
                               field.setAccessible(true);  
                           }  
                           field.set(this, time);  
                       }  
                   }  
            }
        }, firstTime, time);
    }
    public  static void start(){
            fisStartBall();
    }
    
    public static void stop(){
            fisTimer.cancel();
    }
}