利用redis实现服务调用次数控制

import redis.clients.jedis.Jedis;
import redis.clients.jedis.exceptions.JedisDataException;


public class JedisService {
    private String id;
    private int num;
    public JedisService(String id,int num){
        this.id=id;
        this.num=num;
    }

    //进行业务判断
    public void  service(){
        Jedis jedis=new Jedis("127.0.0.1",6379);
        String value=jedis.get("uid:"+this.id);
        try{
            //如果不存在则创建
            if(value==null){
                jedis.setex("uid:"+this.id,20,Long.MAX_VALUE-num+"");
            }else{
                //存在则增加
                Long incr = jedis.incr("uid:" + this.id);
                job(this.id,num-(Long.MAX_VALUE-incr));
            }
        }catch (JedisDataException e){
            System.out.println("您的次数已用尽，请升级会员");
        }

    }

    //进行业务操作
    public void job(String id,Long times){
        System.out.println(id+"正在执行第"+times+"次操作");
    }
}
class MyThread extends  Thread{
    JedisService jedisService;
    public MyThread(String id,int num){
       jedisService=new JedisService(id,num);
    }
    public void run(){
        while(true){
            jedisService.service();
            try {
                Thread.sleep(200);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }

    }

}
class  Main{
    public static void main(String[] args) {
        MyThread myThread1=new MyThread("初级用户",10);
        myThread1.start();
        MyThread myThread2=new MyThread("高级用户",20);
        myThread2.start();
    }
}