package com.kidgrow.rabbitmq.recieve;
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import com.rabbitmq.client.Channel;
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import org.springframework.amqp.core.Message;
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import org.springframework.amqp.rabbit.annotation.RabbitHandler;
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import org.springframework.amqp.rabbit.annotation.RabbitListener;
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import org.springframework.stereotype.Component;
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/**
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* 石家庄喜高科技有限责任公司 版权所有 © Copyright 2020<br>
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*
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* @Description: <br>
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* @Project: <br>
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* @CreateDate: Created in 2020/3/23 18:49 <br>
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* @Author: <a href="4345453@kidgrow.com">liuke</a>
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*/
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@Component
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@RabbitListener(queues = "AdvancedEvaluation")
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public class TopicReceive {
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@RabbitHandler
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public void process(String messages, Message message, Channel channel) {
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// 如果手动ACK,消息会被监听消费,但是消息在队列中依旧存在,如果 未配置 acknowledge-mode 默认是会在消费完毕后自动ACK掉
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final long deliveryTag = message.getMessageProperties().getDeliveryTag();
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try {
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System.out.println("Topic Receiver : " + messages);
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// 通知 MQ 消息已被成功消费,可以ACK了
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channel.basicAck(deliveryTag, false);
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}
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catch (Exception e) {
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try {
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// 处理失败,重新压入MQ
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channel.basicRecover();
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} catch (Exception e1) {
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e1.printStackTrace();
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}
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}
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}
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}
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