分布式消息中间件集成方案 / 四六文摘

Honghu的消息服务平台已经抛弃了之前的ActiveMQ，改用高吞吐量比较大的Kafka分布式消息中间件方案：kafka消息平台使用spring+kafka的集成方案，详情如下：1. 使用最高版本2.1.0.RELEASE集成jar包：spring-integration-kafka2. Zookeeper、Kafka分布式集群使用init.properties配置化方案。Java代码

kafka.servers=127.0.0.1:9092kafka.topic=xxxooo3. 使用消息生产者spring-context-producer配置化方案。Java代码

<?xml version="1.0" encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xmlns:context="http://www.springframework.org/schema/context"xsi:schemaLocation="http://www.springframework.org/schema/beanshttp://www.springframework.org/schema/beans/spring-beans.xsdhttp://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context.xsd"><bean id="producerProperties" class="java.util.HashMap"><constructor-arg><map><entry key="bootstrap.servers" value="localhost:9092" /><entry key="group.id" value="2" /><entry key="retries" value="10" /><entry key="batch.size" value="16384" /><entry key="linger.ms" value="1" /><entry key="buffer.memory" value="33554432" /><entry key="key.serializer"value="org.apache.kafka.common.serialization.IntegerSerializer" /><entry key="value.serializer"value="org.apache.kafka.common.serialization.StringSerializer" /></map></constructor-arg></bean><bean id="producerFactory"class="org.springframework.kafka.core.DefaultKafkaProducerFactory"><constructor-arg><ref bean="producerProperties" /></constructor-arg></bean><bean id="KafkaTemplate" class="org.springframework.kafka.core.KafkaTemplate"><constructor-arg ref="producerFactory" /><constructor-arg name="autoFlush" value="true" /><property name="defaultTopic" value="test" /></bean></beans>4. 使用消息消费者spring-context-producer配置化方案。Java代码

<?xml version="1.0" encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xmlns:context="http://www.springframework.org/schema/context"xsi:schemaLocation="http://www.springframework.org/schema/beanshttp://www.springframework.org/schema/beans/spring-beans.xsdhttp://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context.xsd"><bean id="consumerProperties" class="java.util.HashMap"><constructor-arg><map><entry key="bootstrap.servers" value="localhost:9092" /><entry key="group.id" value="0" /><entry key="enable.auto.commit" value="true" /><entry key="auto.commit.interval.ms" value="1000" /><entry key="session.timeout.ms" value="15000" /><entry key="key.deserializer"value="org.apache.kafka.common.serialization.IntegerDeserializer" /><entry key="value.deserializer"value="org.apache.kafka.common.serialization.StringDeserializer" /></map></constructor-arg></bean><bean id="consumerFactory"class="org.springframework.kafka.core.DefaultKafkaConsumerFactory"><constructor-arg><ref bean="consumerProperties" /></constructor-arg></bean><bean id="messageListernerConsumerService" class="com.sml.sz.kafka.KafKaConsumer" /><bean id="containerProperties"class="org.springframework.kafka.listener.config.ContainerProperties"><constructor-arg value="test" /><property name="messageListener" ref="messageListernerConsumerService" /></bean><bean id="messageListenerContainer"class="org.springframework.kafka.listener.KafkaMessageListenerContainer"init-method="doStart"><constructor-arg ref="consumerFactory" /><constructor-arg ref="containerProperties" /></bean></beans>5. 使用注解方式注入消息类型@Autowiredprivate KafkaTemplate<xxx, ooo> kafkaTemplate;6. 重写MessageListener 的getMessage方法获取消息（业务实现）7. RestFul服务方式测试消息服务Java代码

@CrossOrigin(origins = "*", maxAge = 3600, methods = { RequestMethod.GET, RequestMethod.POST, RequestMethod.DELETE,RequestMethod.PUT })@RestController@RequestMapping(value = "/rest/kafka")public class KafKaProducer {@RequestMapping(value = "/send", method = RequestMethod.GET)public JSONObject save() {System.out.println("+++++++++++++++++++++++++++++++");kafkaTemplate.sendDefault("HongHu KAFKA分布式消息服务测试");return null;}@Autowiredprivate KafkaTemplate<Integer, String> kafkaTemplate;}Java代码

@RestControllerpublic class KafKaConsumer implements MessageListener<Integer, String> {@Autowiredprivate LogService logService;public void onMessage(ConsumerRecord<Integer, String> records) {System.out.println("====================" + records);Object o = records.value();Log log = new Log();log.setIsNewRecord(true);log.setId(IdGen.uuid());log.setTitle(String.valueOf(o));logService.save(log);}}接受消息了------------------:ConsumerRecord(topic = xxxooo, partition = 0, offset = 2489, CreateTime = 1479647648299, checksum = 3372898135, serialized key size = -1, serialized value size = 40, key = null, value = HongHu KAFKA分布式消息服务测试)到此结束！（企业架构源码可以加求球：三五三六二四七二五九）

分布式消息中间件集成方案

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