Reff: http://redis.io/topics/pubsub
dependancies : redis.clients:jedis:2.7.2
To set notify-keyspace-events
Command: redis-cli config set notify-keyspace-events KEA
dependancies : redis.clients:jedis:2.7.2
To set notify-keyspace-events
Command: redis-cli config set notify-keyspace-events KEA
Publisher: RedisPub.java
package com.vijaysy.pubsub; import redis.clients.jedis.Jedis; import java.util.Scanner; /** * Created by vijaysy on 30/03/16. */ public class RedisPub { public static void main(String args[]){ Jedis jedis = new Jedis("localhost"); Scanner scanner = new Scanner(System.in); System.out.printf("Enter the channel name:"); String channel=scanner.nextLine(); System.out.println("Starting publisher for channel "+ channel); while (true){ System.out.println("Enter the string to Publish:"); String msg = scanner.nextLine(); jedis.publish(channel,msg); } } }
Subscriber: RedisSub.java
package com.vijaysy.pubsub; import redis.clients.jedis.Jedis; import redis.clients.jedis.JedisPubSub; import java.util.Scanner; /** * Created by vijaysy on 30/03/16. */ public class RedisSub { public static void main(String args[]) { Jedis jedis = new Jedis("localhost"); Scanner scanner = new Scanner(System.in); System.out.printf("Enter the channel name:"); String channel = scanner.nextLine(); System.out.println("Starting subscriber for channel " + channel); while (true) { jedis.subscribe(new JedisPubSub() { @Override public void onMessage(String channel, String message) { super.onMessage(channel, message); System.out.println("Received message:" + message); } @Override public void onSubscribe(String channel, int subscribedChannels) { } @Override public void onUnsubscribe(String channel, int subscribedChannels) { } @Override public void onPMessage(String pattern, String channel, String message) { } @Override public void onPUnsubscribe(String pattern, int subscribedChannels) { } @Override public void onPSubscribe(String pattern, int subscribedChannels) { } }, channel); } } }
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