springboot redis订阅发布消息

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已于 2022-06-17 10:18:37 修改

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分类专栏： SpringBoot 文章标签： redis spring boot java

于 2022-06-15 15:42:12 首次发布

本文链接：https://blog.youkuaiyun.com/amberwangfeng/article/details/125298425

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订阅专栏

Maven 仓库

<dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>

Redis连接配置文件

#Redis默认配置
spring.redis.host=127.0.0.1
spring.redis.port=6379

listener配置

package com.wf.etk.config;

import lombok.extern.slf4j.Slf4j;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.MessageListener;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.listener.PatternTopic;
import org.springframework.data.redis.listener.RedisMessageListenerContainer;
import org.springframework.data.redis.listener.adapter.MessageListenerAdapter;

/**
 * @author AAA
 * @date 2022/6/15 15:27
 * @description: Redis配置
 */
@Configuration
@Slf4j
public class RedisConfig {

    @Bean
    MessageListenerAdapter messageListene1() {
        //abstract methods overwrite
        return new MessageListenerAdapter((MessageListener) (message, pattern) -> {
            log.info("TextChannel==>>Message received: " + message.toString());
        });
    }
    @Bean
    MessageListenerAdapter messageListener2() {
        //abstract methods overwrite
        return new MessageListenerAdapter((MessageListener) (message, pattern) -> {
            log.info("kafkaChannel==>>Message received: " + message.toString());
        });
    }

    @Bean
    public RedisMessageListenerContainer container(RedisConnectionFactory connectionFactory) {
        RedisMessageListenerContainer container = new RedisMessageListenerContainer();
        container.setConnectionFactory(connectionFactory);
        container.addMessageListener(messageListene1(), new PatternTopic("TextChannel"));
        container.addMessageListener(messageListener2(), new PatternTopic("kafkaChannel"));//配置要订阅的订阅项
        return container;
    }
}

消息发送

/**
 * @author XXX
 * @date 2022/6/15 14:25
 * @description: 测试Redis请求
 */
@RestController
public class SampleController {

    @Autowired
    private RedisTemplate<String, String> redisTemplate;

    @GetMapping(value = "/send1")
    public String send1(String message) {
        redisTemplate.convertAndSend("TextChannel", message);
        return "send1 success";
    }

    @GetMapping(value = "send2")
    public String send2(String message) {
        redisTemplate.convertAndSend("kafkaChannel", message);
        return "send2 success";
    }
}