Springamqp rabbit json ReturnCallback ConfirmCallback

最新推荐文章于 2025-01-13 15:29:57 发布

AnY11

最新推荐文章于 2025-01-13 15:29:57 发布

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分类专栏： Spring Amqp

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本文介绍了如何在Spring Boot应用中集成RabbitMQ，使用Jackson2JsonMessageConverter进行JSON消息转换，并实现ConfirmCallback和ReturnCallback，确保消息的发送与接收确认，以及异常处理。示例代码展示了配置RabbitTemplate、创建监听容器工厂以及发送与接收消息的方法。

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package com.study.soufang.rabbit.a003.springboot.rabbitmq;

import org.springframework.amqp.rabbit.core.RabbitTemplate.ConfirmCallback;
import org.springframework.amqp.rabbit.support.CorrelationData;

public class MyConfirmCallback implements ConfirmCallback {

   @Override
   public void confirm(CorrelationData correlationData, boolean ack, String cause) {
       // TODO Auto-generated method stub
       System.out.println("correlationData:"+correlationData+",ACK:"+ack+",Cause:"+cause);
   }

}
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package com.study.soufang.rabbit.a003.springboot.rabbitmq;

import org.springframework.amqp.rabbit.config.SimpleRabbitListenerContainerFactory;
import org.springframework.amqp.rabbit.connection.ConnectionFactory;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
import org.springframework.amqp.support.converter.MessageConverter;
import org.springframework.boot.autoconfigure.amqp.RabbitProperties;
import org.springframework.boot.autoconfigure.amqp.SimpleRabbitListenerContainerFactoryConfigurer;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.context.properties.PropertyMapper;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class MyRabbitConfiguration {

   private RabbitProperties properties;
   MessageConverter messageConverter = new Jackson2JsonMessageConverter();
   @Bean
   @ConditionalOnMissingBean
   public RabbitTemplate rabbitTemplate(ConnectionFactory connectionFactory) {
       PropertyMapper map = PropertyMapper.get();
       RabbitTemplate template = new RabbitTemplate(connectionFactory);
       template.setConfirmCallback(new MyConfirmCallback());
       template.setReturnCallback(new MyReturnCallback());
       template.setMessageConverter(messageConverter);
       //mandatory 默认为FALSE,如果exchange根据自身类型和消息routeKey无法找到一个符合条件的queue，会直接将消息扔掉
       template.setMandatory(true);
       return template;
   }


   @Bean(name = "rabbitListenerContainerFactory")
   @ConditionalOnMissingBean(name = "rabbitListenerContainerFactory")
   @ConditionalOnProperty(prefix = "spring.rabbitmq.listener", name = "type", havingValue = "simple", matchIfMissing = true)
   public SimpleRabbitListenerContainerFactory simpleRabbitListenerContainerFactory(
           SimpleRabbitListenerContainerFactoryConfigurer configurer,
           ConnectionFactory connectionFactory) {
       SimpleRabbitListenerContainerFactory factory = new SimpleRabbitListenerContainerFactory();
       configurer.configure(factory, connectionFactory);
       factory.setMessageConverter(messageConverter);
       return factory;
   }

}
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package com.study.soufang.rabbit.a003.springboot.rabbitmq;

import org.springframework.amqp.core.Message;
import org.springframework.amqp.rabbit.core.RabbitTemplate.ReturnCallback;

public class MyReturnCallback implements ReturnCallback {

   @Override
   public void returnedMessage(Message message, int replyCode, String replyText, String exchange, String routingKey) {
       System.out.println("Message : "+ message);
       System.out.println("replyCode : "+ replyCode);
       System.out.println("replyText : "+ replyText);
       System.out.println("exchange : "+ exchange);
       System.out.println("routingKey : "+ routingKey);
   }

}

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package com.study.soufang.rabbit.a003.springboot.rabbitmq;

import org.springframework.amqp.rabbit.annotation.Queue;
import org.springframework.amqp.rabbit.annotation.RabbitHandler;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.stereotype.Component;

@Component
public class TestRecv {

   @RabbitListener(queuesToDeclare=@Queue("springboot.rabbit.test.simple.queue"))
   public void processMessage(User user) throws Exception {
       System.out.println("---------"+user);
   }

}

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package com.study.soufang.rabbit.a003.springboot.rabbitmq;

import org.springframework.amqp.AmqpException;
import org.springframework.amqp.core.AmqpAdmin;
import org.springframework.amqp.core.AmqpTemplate;
import org.springframework.amqp.core.Message;
import org.springframework.amqp.core.MessagePostProcessor;
import org.springframework.amqp.core.Queue;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

@Component
public class TestSend {

   @Autowired
   AmqpAdmin amqpAdmin;
   @Autowired
   AmqpTemplate amqpTemplate;

   public void send(){
       String queueName = "springboot.rabbit.test.simple.queue";
       //注意默认队列是持久化的
       amqpAdmin.declareQueue(new Queue(queueName));
       /**
       * mandatory 默认为FALSE,如果exchange根据自身类型和消息routeKey无法找到一个符合条件的queue，会直接将消息扔掉
       * 发送过程中RabbitServer挂掉，会直接报错 Connection refused: connect
       */

//默认消息持久化发送
amqpTemplate.convertAndSend("",queueName, new User().setId(14).setName("中文"));

//发送非持久化消息,RabbitServer重启后，消息丢失
       amqpTemplate.convertAndSend(queueName, new User().setId(14).setName("中文"), new MessagePostProcessor() {

           @Override
           public Message postProcessMessage(Message message) throws AmqpException {
               message.getMessageProperties().setDeliveryMode(MessageDeliveryMode.NON_PERSISTENT);
               return message;
           }
       });
   }

}

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package com.study.soufang.rabbit.a003.springboot.rabbitmq;

import java.io.Serializable;

import lombok.Data;
import lombok.experimental.Accessors;

@Data
@Accessors(chain=true)
public class User implements Serializable{

   private Integer id;
   private String name;

}