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multikafkaconsumerstarter's Introduction

MultiKafkaConsumerStarter [V1.1]

SpringBoot 零代码方式整合多个kafka数据源,支持任意kafka集群,已封装为一个小模块,集成所有kafka配置,让注意力重新回归业务本身。

参考文档

一、功能特性

  • SpringBoot无编程方式整合多个kafka数据源

二、快速开始

1、引入最新依赖包,如果找不到依赖包,请到工程目录mvn clean package install执行一下命令。

<dependency>
    <groupId>io.github.vipjoey</groupId>
    <artifactId>multi-kafka-consumer-starter</artifactId>
    <version>最新版本号</version>
</dependency>

2、添加kafka地址等相关配置。

## topic1的kafka配置
spring.kafka.one.enabled=true
spring.kafka.one.consumer.bootstrapServers=${spring.embedded.kafka.brokers}
spring.kafka.one.topic=mmc-topic-one
spring.kafka.one.group-id=group-consumer-one
spring.kafka.one.processor=你的处理类bean名称(例如:oneProcessor)
spring.kafka.one.dupicate=true   ## 如果为true表示对批次内的kafka消息去重,需要实现PandoKafkaMsg接口,默认为false
spring.kafka.one.consumer.auto-offset-reset=latest
spring.kafka.one.consumer.max-poll-records=10
spring.kafka.one.consumer.value-deserializer=org.apache.kafka.common.serialization.StringDeserializer
spring.kafka.one.consumer.key-deserializer=org.apache.kafka.common.serialization.StringDeserializer

## topic2的kafka配置
spring.kafka.two.enabled=true
spring.kafka.two.consumer.bootstrapServers=${spring.embedded.kafka.brokers}
spring.kafka.two.topic=mmc-topic-two
spring.kafka.two.group-id=group-consumer-two
spring.kafka.two.processor=你的处理类bean名称
spring.kafka.two.consumer.auto-offset-reset=latest
spring.kafka.two.consumer.max-poll-records=10
spring.kafka.two.consumer.value-deserializer=org.apache.kafka.common.serialization.StringDeserializer
spring.kafka.two.consumer.key-deserializer=org.apache.kafka.common.serialization.StringDeserializer

3、新建kafka消息对应的实体类,要求需要实现MmcKafkaMsg接口,例如

@Data
class DemoMsg implements MmcKafkaMsg {

    private String routekey;

    private String name;

    private Long timestamp;

}

如果你配置了spring.kafka.xxx.duplicate=fale,则不需要实现PandoKafkaMsg接口。

        PS:如果实现PandoKafkaMsg接口,就自动具备了消息去重能力

4、新建kafka消息处理类,要求继承MmcKafkaKafkaAbastrctProcessor,然后就可以愉快地编写你的业务逻辑了。

@Slf4j
@Service("oneProcessor") // 你的处理类bean名称,如果没有定义bean名称,那么默认就是首字母缩写的类名称
public class OneProcessor extends MmcKafkaKafkaAbastrctProcessor<DemoMsg> {


    @Override
    protected Class<DemoMsg> getEntityClass() {
        return DemoMsg.class;
    }

    @Override
    protected void dealMessage(List<DemoMsg> datas) {

        // 下面开始编写你的业务代码
    }


}

三、其它特性

1、支持单次拉取kafka的batch消息里去重,需要实现PandoKafkaMsg的getRoutekey()和getTimestamp()方法;如果为false,则不要实现PandoKafkaMsg接口。

spring.kafka.xxx.duplicate=true

四、变更记录

  • 20240430 v1.1 取消限定符
  • 20231111 v1.0 初始化

五、特别说明

  • 欢迎共建
  • 佛系改bug

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