标签:一个 this connect object cto redist print 绑定 work
- RedisMessageListenerContainer Redis订阅发布的监听容器,你的消息发布、订阅配置都必须在这里面实现
- addMessageListener(MessageListenerAdapter,PatternTopic) 新增订阅频道及订阅者,订阅者必须有相关方法处理收到的消息。
- setTopicSerializer(RedisSerializer) 对频道内容进行序列化解析
多人同时订阅一个频道 有没有更好的实现方式?
2、一个频道内容广播,有没更好的实现方式?
核心类,实现了Redis连接,订阅以及发布配置
package com.mengxiangxiang.newtech.redisMQ;
import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.listener.PatternTopic;
import org.springframework.data.redis.listener.RedisMessageListenerContainer;
import org.springframework.data.redis.listener.adapter.MessageListenerAdapter;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
@Configuration
public class RedisConfig {
@Bean
public RedisTemplate<String,Object> redisTemplate(JedisConnectionFactory redisConnectionFactory){
RedisTemplate<String,Object> redisTemplate = new RedisTemplate<>();
redisTemplate.setConnectionFactory(redisConnectionFactory);
//自定义序列化方式
Jackson2JsonRedisSerializer<Object> jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer<Object>(Object.class);
ObjectMapper objectMapper = new ObjectMapper();
objectMapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
objectMapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
jackson2JsonRedisSerializer.setObjectMapper(objectMapper);
redisTemplate.setKeySerializer(jackson2JsonRedisSerializer);
redisTemplate.setValueSerializer(jackson2JsonRedisSerializer);
redisTemplate.setHashKeySerializer(jackson2JsonRedisSerializer);
redisTemplate.setHashValueSerializer(jackson2JsonRedisSerializer);
redisTemplate.afterPropertiesSet();
return redisTemplate;
}
/**
* redis消息监听器容器
* 可以添加多个监听不同话题的redis监听器,只需要把消息监听器和相应的消息订阅处理器绑定,该消息监听器
* 通过反射技术调用消息订阅处理器的相关方法进行一些业务处理
* @param connectionFactory
* @param listenerAdapter
* @return
*/
//MessageListenerAdapter 表示监听频道的不同订阅者
@Bean
RedisMessageListenerContainer container2(RedisConnectionFactory connectionFactory, MessageListenerAdapter listenerAdapter2,MessageListenerAdapter listenerAdapter){
RedisMessageListenerContainer container = new RedisMessageListenerContainer();
container.setConnectionFactory(connectionFactory);
//订阅多个频道
container.addMessageListener(listenerAdapter2,new PatternTopic("fullDataUpload"));
container.addMessageListener(listenerAdapter2,new PatternTopic("analysis"));
container.addMessageListener(listenerAdapter,new PatternTopic("fullDataUpload"));
//序列化对象(特别注意:发布的时候需要设置序列化;订阅方也需要设置序列化)
Jackson2JsonRedisSerializer seria = new Jackson2JsonRedisSerializer(Object.class);
ObjectMapper objectMapper = new ObjectMapper();
objectMapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
objectMapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
seria.setObjectMapper(objectMapper);
container.setTopicSerializer(seria);
return container;
}
//表示监听一个频道
@Bean
MessageListenerAdapter listenerAdapter(MessageReceiveTwo receiver){
//这个地方 是给messageListenerAdapter 传入一个消息接受的处理器,利用反射的方法调用“MessageReceiveTwo ”
return new MessageListenerAdapter(receiver,"getMessage");
}
@Bean
MessageListenerAdapter listenerAdapter2(MessageReceiveOne receiver){
//这个地方 是给messageListenerAdapter 传入一个消息接受的处理器,利用反射的方法调用“MessageReceiveOne ”
return new MessageListenerAdapter(receiver,"getMessage");
}
}
package com.mengxiangxiang.newtech.hello.entity;
public class User {
private String name;
private String phone;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getPhone() {
return phone;
}
public void setPhone(String phone) {
this.phone = phone;
}
}
第一个消费者
获取到内容后,是圆是扁随便搓。
package com.mengxiangxiang.newtech.redisMQ;
import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.feinno.newtech.hello.entity.User;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.stereotype.Component;
@Component
public class MessageReceiveOne {
public void getMessage(String object){
//序列化对象(特别注意:发布的时候需要设置序列化;订阅方也需要设置序列化)
Jackson2JsonRedisSerializer seria = new Jackson2JsonRedisSerializer(User.class);
ObjectMapper objectMapper = new ObjectMapper();
objectMapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
objectMapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
seria.setObjectMapper(objectMapper);
User user = (User)seria.deserialize(object.getBytes());
System.out.println("消息客户端2号:"+object);
}
}
第二个消费者
package com.feinno.newtech.redisMQ;
import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.mengxiangxiang.newtech.hello.entity.User;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.stereotype.Component;
@Component
public class MessageReceiveTwo {
public void getMessage(String object){
//序列化对象(特别注意:发布的时候需要设置序列化;订阅方也需要设置序列化)
Jackson2JsonRedisSerializer seria = new Jackson2JsonRedisSerializer(User.class);
ObjectMapper objectMapper = new ObjectMapper();
objectMapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
objectMapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
seria.setObjectMapper(objectMapper);
User user = (User)seria.deserialize(object.getBytes());
System.out.println("消息客户端2号:"+object);
}
}
@Test
public void testMQ(){
String channel1 = "fullDataUpload";
String channel2 = "analysis";
User user = new User();
user.setPhone("18675830623");
user.setName("刘大");
User user2 = new User();
user2.setPhone("17856232365");
user2.setName("李二");
redisTemplate.convertAndSend(channel1,user2);
redisTemplate.convertAndSend(channel2,user);
}
SpringBoot中RedisTemplate订阅发布对象
标签:一个 this connect object cto redist print 绑定 work
原文地址:https://www.cnblogs.com/liuyp-ken/p/10538658.html