Jedis 发布订阅消息

最新推荐文章于 2023-06-25 14:09:12 发布

原创最新推荐文章于 2023-06-25 14:09:12 发布 · 275 阅读

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import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;


public class Sub extends  Thread  {

    private final JedisPool jedisPool;
    private final RedisSubPubListener subscriber = new RedisSubPubListener();



    public Sub(JedisPool jedisPool) {
        super("SubThread");
        this.jedisPool = jedisPool;
    }

    @Override
    public void run() {
        System.out.println(" 频道名称 "+ Constant.channel);
        Jedis jedis = null;
        try {
            jedis = jedisPool.getResource();
            jedis.subscribe(subscriber, Constant.channel);
        } catch (Exception e) {
             e.printStackTrace();
        } finally {
            if (jedis != null) {
                jedis.close();
            }
        }
    }


    public static void main(String[] args) {
        // 替换成你的reids地址和端口 启动订阅线程
        JedisPoolConfig poolConfig = new JedisPoolConfig();
        JedisPool jedisPool = new JedisPool(poolConfig, "127.0.0.1", 6379,
                0,"123456",1,
                "redis");
         Sub subThread = new Sub(jedisPool);
         subThread.start();
    }

}

 
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import redis.clients.jedis.JedisPubSub;

public class RedisSubPubListener extends JedisPubSub {

    private static Logger logger = LoggerFactory.getLogger(RedisSubPubListener.class);

    // 取得订阅的消息后的处理 接收订阅频道消息后，业务处理逻辑
    public void onMessage(String channel, String message) {
        System.out.println(channel + "=" + message);
    }

    // 初始化订阅时候的处理
    public void onSubscribe(String channel, int subscribedChannels) {
        // System.out.println(channel + "=" + subscribedChannels);
    }

    // 取消订阅时候的处理
    public void onUnsubscribe(String channel, int subscribedChannels) {
        // System.out.println(channel + "=" + subscribedChannels);
    }

    // 初始化按表达式的方式订阅时候的处理
    public void onPSubscribe(String pattern, int subscribedChannels) {
        // System.out.println(pattern + "=" + subscribedChannels);
    }

    // 取消按表达式的方式订阅时候的处理
    public void onPUnsubscribe(String pattern, int subscribedChannels) {
        // System.out.println(pattern + "=" + subscribedChannels);
    }

    // 取得按表达式的方式订阅的消息后的处理
    public void onPMessage(String pattern, String channel, String message) {
        System.out.println(pattern + "=" + channel + "=" + message);
    }

}


import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;

 
public class Pub {

    public static void main(String[] args) {
        // 替换成你的reids地址和端口
        JedisPoolConfig poolConfig = new JedisPoolConfig();
        JedisPool jedisPool = new JedisPool(poolConfig, "127.0.0.1", 6379, 0,"123456",1,"redis");

        Jedis jedis = jedisPool.getResource();
        jedis.publish(Constant.channel, "我是客户端*************");
        jedis.close();
    }
}