Redis-jedis-程序代码实现

package com.young;

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

public class Service {

    private String id;
    private int num;

    public Service(String id, int num) {
        this.id = id;
        this.num = num;
    }

    //控制单元
    public void service() {
        Jedis jedis = new Jedis("127.0.0.1", 6379);
        String value = jedis.get("compid:" + id);
        //判断该值是否存在
        try {
            if (value == null) {
                //不存在,创建该值
                jedis.setex("compid:" + id, 5, Long.MAX_VALUE - num + "");
            } else {
                //存在,自增,调用业务
                Long val = jedis.incr("compid:" + id);
                business(id, num - (Long.MAX_VALUE - val));
            }
        } catch (JedisDataException e) {
            System.out.println("使用已经到达次数上限,清升级会员级别");
            return;
        } finally {
            jedis.close();
        }
    }

    //业务操作
    public void business(String id, Long val) {
        System.out.println("用户:" + id + "业务操作执行第" + val + "次");
    }

}

class MyThread extends Thread {

    Service sc;

    public MyThread(String id, int num) {
        sc = new Service(id, num);
    }

    @Override
    public void run() {
        while (true) {
            sc.service();
            try {
                Thread.sleep(300L);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    }
}

class Main {
    public static void main(String[] args) {
        MyThread mt1 = new MyThread("初级用户", 10);
        mt1.start();
        MyThread mt2 = new MyThread("高级用户", 30);
        mt2.start();
    }
}