4 changed files with 138 additions and 6 deletions
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package com.epmet.mq; |
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import com.epmet.commons.rocketmq.constants.ConsomerGroupConstants; |
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import com.epmet.commons.rocketmq.constants.TopicConstants; |
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import com.epmet.mq.listener.InitCustomerComponentsListener; |
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import org.apache.rocketmq.client.consumer.DefaultMQPushConsumer; |
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import org.apache.rocketmq.client.consumer.listener.MessageListener; |
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import org.apache.rocketmq.client.exception.MQClientException; |
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import org.apache.rocketmq.common.protocol.heartbeat.MessageModel; |
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import org.springframework.beans.factory.annotation.Value; |
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import org.springframework.stereotype.Component; |
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import javax.annotation.PostConstruct; |
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@Component |
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public class RocketMQConsumerRegister { |
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@Value("${rocketmq.name-server}") |
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private String nameServer; |
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/** |
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* @return |
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* @Description 注册监听器 |
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* @author wxz |
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* @date 2021.03.03 16:09 |
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*/ |
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@PostConstruct |
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public void registerAllListeners() { |
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try { |
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register(nameServer, ConsomerGroupConstants.INIT_CUSTOMER_COMPONENTS_GROUP, MessageModel.CLUSTERING, TopicConstants.INIT_CUSTOMER, "*", new InitCustomerComponentsListener()); |
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} catch (MQClientException e) { |
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e.printStackTrace(); |
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} |
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} |
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public void register(String nameServer, String group, MessageModel messageModel, String topic, String subException, MessageListener listener) throws MQClientException { |
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// 实例化消费者
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DefaultMQPushConsumer consumer = new DefaultMQPushConsumer(group); |
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// 设置NameServer的地址
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consumer.setNamesrvAddr(nameServer); |
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consumer.setMessageModel(messageModel); |
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consumer.setInstanceName(buildInstanceName()); |
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// 订阅一个或者多个Topic,以及Tag来过滤需要消费的消息
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consumer.subscribe(topic, subException); |
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// 注册回调实现类来处理从broker拉取回来的消息
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consumer.registerMessageListener(listener); |
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// 启动消费者实例
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consumer.start(); |
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} |
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private String buildInstanceName() { |
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String instanceName = ""; |
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for (int i = 0; i < 4; i++) { |
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int t = (int) (Math.random() * 10); |
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instanceName = instanceName.concat(t + ""); |
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} |
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return instanceName; |
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} |
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} |
@ -0,0 +1,68 @@ |
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package com.epmet.mq.listener; |
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import com.alibaba.fastjson.JSON; |
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import com.epmet.commons.rocketmq.messages.InitCustomerMQMsg; |
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import com.epmet.commons.tools.distributedlock.DistributedLock; |
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import com.epmet.commons.tools.exception.ExceptionUtils; |
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import com.epmet.commons.tools.exception.RenException; |
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import com.epmet.commons.tools.utils.SpringContextUtils; |
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import com.epmet.dto.CustomerHomeDTO; |
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import com.epmet.service.CustomerHomeService; |
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import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyContext; |
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import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyStatus; |
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import org.apache.rocketmq.client.consumer.listener.MessageListenerConcurrently; |
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import org.apache.rocketmq.common.message.MessageExt; |
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import org.redisson.api.RLock; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import java.util.List; |
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import java.util.concurrent.TimeUnit; |
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/** |
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* 监听初始化客户动作,为客户初始化角色列表 |
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*/ |
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public class InitCustomerComponentsListener implements MessageListenerConcurrently { |
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private Logger logger = LoggerFactory.getLogger(getClass()); |
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@Override |
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public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgs, ConsumeConcurrentlyContext context) { |
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try { |
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msgs.forEach(msg -> consumeMessage(msg)); |
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} catch (Exception e) { |
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logger.error(ExceptionUtils.getErrorStackTrace(e)); |
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return ConsumeConcurrentlyStatus.RECONSUME_LATER; |
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} |
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return ConsumeConcurrentlyStatus.CONSUME_SUCCESS; |
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} |
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private void consumeMessage(MessageExt messageExt) { |
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String msg = new String(messageExt.getBody()); |
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logger.info("初始化客户-初始化客户自定义信息-收到消息内容:{}", msg); |
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InitCustomerMQMsg msgObj = JSON.parseObject(msg, InitCustomerMQMsg.class); |
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CustomerHomeDTO customerHomeDTO = new CustomerHomeDTO(); |
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customerHomeDTO.setCustomerId(msgObj.getCustomerId()); |
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DistributedLock distributedLock = null; |
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RLock lock = null; |
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try { |
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distributedLock = SpringContextUtils.getBean(DistributedLock.class); |
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lock = distributedLock.getLock(String.format("lock:init_customer_home:%s", msgObj.getCustomerId()), |
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30l, 30l, TimeUnit.SECONDS); |
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CustomerHomeService customerHomeService = SpringContextUtils.getBean(CustomerHomeService.class); |
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customerHomeService.init(customerHomeDTO); |
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} catch (RenException e) { |
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// 如果是我们手动抛出的异常,说明在业务可控范围内。目前不需要MQ重试
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logger.error("【RocketMQ】初始化客户组件失败:".concat(ExceptionUtils.getErrorStackTrace(e))); |
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} catch (Exception e) { |
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// 不是我们自己抛出的异常,可以让MQ重试
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logger.error("【RocketMQ】初始化客户组件失败:".concat(ExceptionUtils.getErrorStackTrace(e))); |
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throw e; |
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} finally { |
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distributedLock.unLock(lock); |
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} |
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} |
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} |
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