Spring注解方式集成Kafka（spring-kafka的使用）

import java.util.HashMap;import java.util.Map;import org.apache.kafka.clients.producer.ProducerConfig;import org.apache.kafka.common.serialization.StringSerializer;import org.springframework.context.annotation.Bean;import org.springframework.context.annotation.Configuration;import org.springframework.kafka.annotation.EnableKafka;import org.springframework.kafka.core.DefaultKafkaProducerFactory;import org.springframework.kafka.core.KafkaTemplate;import org.springframework.kafka.core.ProducerFactory;import cn.disruptive.bigDataPlatform.agentServer.config.ReadConfigation;/** *  * Description：Kafka生产者 * Date：2017年7月11日 *  * 依赖： <dependency>    <groupId>org.springframework.kafka</groupId>    <artifactId>spring-kafka</artifactId>    <version>1.0.5.RELEASE</version></dependency> *  * 使用案例：   @Resourceprivate KafkaTemplate kafkaTemplate;调用方法发送数据：kafkaTemplate.send(topic, msg); *  */@Configuration@EnableKafkapublic class KafkaProducer {/** *  * Description：获取配置 * Date：2017年7月11日 * @author shaqf */public Map<String, Object> producerConfigs() {Map<String, Object> props = new HashMap<>();// kafka.metadata.broker.list=10.16.0.214:9092,10.16.0.215:9092,10.16.0.216:9092props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, ReadConfigation.getConfigItem("kafka.metadata.broker.list"));props.put(ProducerConfig.RETRIES_CONFIG, 0);props.put(ProducerConfig.BATCH_SIZE_CONFIG, 4096);props.put(ProducerConfig.LINGER_MS_CONFIG, 1);props.put(ProducerConfig.BUFFER_MEMORY_CONFIG, 40960);props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, StringSerializer.class);props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, StringSerializer.class);return props;}/** 获取工厂 */public ProducerFactory<String, String> producerFactory() {return new DefaultKafkaProducerFactory<>(producerConfigs());}/** 注册实例 */@Beanpublic KafkaTemplate<String, String> kafkaTemplate() {return new KafkaTemplate<>(producerFactory());}}


import java.util.HashMap;import java.util.Map;import org.apache.kafka.clients.consumer.ConsumerConfig;import org.apache.kafka.common.serialization.StringDeserializer;import org.springframework.context.annotation.Bean;import org.springframework.context.annotation.Configuration;import org.springframework.kafka.annotation.EnableKafka;import org.springframework.kafka.config.ConcurrentKafkaListenerContainerFactory;import org.springframework.kafka.config.KafkaListenerContainerFactory;import org.springframework.kafka.core.ConsumerFactory;import org.springframework.kafka.core.DefaultKafkaConsumerFactory;import org.springframework.kafka.listener.ConcurrentMessageListenerContainer;import cn.disruptive.bigDataPlatform.agentServer.config.ReadConfigation;/** *  * Description：Kafka消费者 * Date：2017年7月11日 *  * 依赖： <dependency>    <groupId>org.springframework.kafka</groupId>    <artifactId>spring-kafka</artifactId>    <version>1.0.5.RELEASE</version></dependency> *  * 使用案例：    @KafkaListener(topics = { "taskCmd" })public void taskCmd(ConsumerRecord<?, ?> record) {Object message = record.value();logger.info("收到管理平台命令:" + message);} *  */@Configuration@EnableKafkapublic class KafkaConsumer {/** *  * Description：获取配置 * Date：2017年7月11日 * @author shaqf */public Map<String, Object> consumerConfigs() {Map<String, Object> props = new HashMap<>();// kafka.metadata.broker.list=10.16.0.214:9092,10.16.0.215:9092,10.16.0.216:9092props.put(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG, ReadConfigation.getConfigItem("kafka.metadata.broker.list"));props.put(ConsumerConfig.ENABLE_AUTO_COMMIT_CONFIG, false);props.put(ConsumerConfig.AUTO_COMMIT_INTERVAL_MS_CONFIG, "100");props.put(ConsumerConfig.SESSION_TIMEOUT_MS_CONFIG, "15000");props.put(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG, StringDeserializer.class);props.put(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, StringDeserializer.class);props.put(ConsumerConfig.GROUP_ID_CONFIG, "Agent-Server-1.0.2");props.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest");return props;}/** 获取工厂 */public ConsumerFactory<String, String> consumerFactory() {return new DefaultKafkaConsumerFactory<>(consumerConfigs());}/** 获取实例 */@Beanpublic KafkaListenerContainerFactory<ConcurrentMessageListenerContainer<String, String>> kafkaListenerContainerFactory() {ConcurrentKafkaListenerContainerFactory<String, String> factory = new ConcurrentKafkaListenerContainerFactory<>();factory.setConsumerFactory(consumerFactory());factory.setConcurrency(3);factory.getContainerProperties().setPollTimeout(3000);return factory;}}

还有一种方式，直接在配置文件里面添加Kafka地址即可，以上代码都可以省略