本文介绍了springboot 1.5.2 集成kafka的简单例子 ，分享给大家，具体如下：
随着spring boot 1.5版本的发布，在spring项目中与kafka集成更为简便。
添加依赖
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compile("org.springframework.kafka:spring-kafka:1.1.2.RELEASE") |
添加application.properties
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#kafka# 指定kafka 代理地址，可以多个spring.kafka.bootstrap-servers=192.168.59.130:9092,192.168.59.131:9092,192.168.59.132:9092# 指定默认消费者group idspring.kafka.consumer.group-id=myGroup# 指定默认topic idspring.kafka.template.default-topic= my-replicated-topic# 指定listener 容器中的线程数，用于提高并发量spring.kafka.listener.concurrency= 3# 每次批量发送消息的数量spring.kafka.producer.batch-size= 1000 |
configuration 启用kafka
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package cn.xiaojf.today.data.kafka.configuration;import org.springframework.context.annotation.Configuration;import org.springframework.kafka.annotation.EnableKafka;/** * kafka 配置 * @author xiaojf 2017/3/24 14:09 */@Configuration@EnableKafkapublic class KafkaConfiguration {} |
消息生产者
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package cn.xiaojf.today.data.kafka.producer;import org.apache.kafka.clients.producer.Producer;import org.apache.kafka.clients.producer.RecordMetadata;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.kafka.core.KafkaOperations;import org.springframework.kafka.core.KafkaTemplate;import org.springframework.kafka.support.ProducerListener;import org.springframework.stereotype.Component;/** * 消息生产者 * @author xiaojf 2017/3/24 14:36 */@Componentpublic class MsgProducer { @Autowired private KafkaTemplate<String,String> kafkaTemplate; public void send() { kafkaTemplate.send("my-replicated-topic","xiaojf"); kafkaTemplate.send("my-replicated-topic","xiaojf"); kafkaTemplate.metrics(); kafkaTemplate.execute(new KafkaOperations.ProducerCallback<String, String, Object>() { @Override public Object doInKafka(Producer<String, String> producer) { //这里可以编写kafka原生的api操作 return null; } }); //消息发送的监听器，用于回调返回信息 kafkaTemplate.setProducerListener(new ProducerListener<String, String>() { @Override public void onSuccess(String topic, Integer partition, String key, String value, RecordMetadata recordMetadata) { } @Override public void onError(String topic, Integer partition, String key, String value, Exception exception) { } @Override public boolean isInterestedInSuccess() { return false; } }); }} |
消息消费者
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package cn.xiaojf.today.data.kafka.consumer;import org.springframework.kafka.annotation.KafkaListener;import org.springframework.stereotype.Component;/** * 消息消费者 * @author xiaojf 2017/3/24 14:36 */@Componentpublic class MsgConsumer { @KafkaListener(topics = {"my-replicated-topic","my-replicated-topic2"}) public void processMessage(String content) { System.out.println(content); }} |
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：http://www.cnblogs.com/xiaojf/p/6613559.html
