Example #1
0
  /** 基类实现消息监听接口,加上打印metaq监控日志的方法 */
  @Override
  public ConsumeConcurrentlyStatus consumeMessage(
      List<MessageExt> msgs, ConsumeConcurrentlyContext context) {
    long startTime = System.currentTimeMillis();
    logger.info("receive_message:{}", msgs.toString());
    if (msgs == null || msgs.size() < 1) {
      logger.error("receive empty msg!");
      return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
    }

    List<Serializable> msgList = new ArrayList<>();
    for (MessageExt message : msgs) {
      msgList.add(decodeMsg(message));
    }

    final int reconsumeTimes = msgs.get(0).getReconsumeTimes();
    MsgObj msgObj = new MsgObj();
    msgObj.setReconsumeTimes(reconsumeTimes);
    msgObj.setMsgList(msgList);
    msgObj.setContext(context);
    context.setDelayLevelWhenNextConsume(getDelayLevelWhenNextConsume(reconsumeTimes));

    ConsumeConcurrentlyStatus status = doConsumeMessage(msgObj);
    logger.info(
        "ConsumeConcurrentlyStatus:{}|cost:{}", status, System.currentTimeMillis() - startTime);
    return status;
  }
Example #2
0
 protected ConsumeConcurrentlyStatus exceptionConsumeConcurrentlyStatus(
     TransactionStatus status, Throwable e, MsgObj msgObj, int maxRetryCount) {
   logger.error("mq consume failed", e);
   status.setRollbackOnly();
   if (msgObj.getReconsumeTimes() >= maxRetryCount) {
     logger.error(
         "retryCount: {}, msgs: {}, context: {}", maxRetryCount, msgObj, msgObj.getContext());
     msgObj.setErrorMsg(e.getMessage());
     doLogErrorConsumeMessage(msgObj);
     return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
   } else {
     return ConsumeConcurrentlyStatus.RECONSUME_LATER;
   }
 }
Example #3
0
 public void destroy() {
   if (consumer != null) {
     consumer.shutdown();
     logger.info(
         "consumer shutdown! topic={0},subExpression={1},group={2}",
         topic.getTopic(), subExpression, group);
   }
 }
Example #4
0
 private Serializable decodeMsg(MessageExt msg) {
   if (msg == null) {
     return null;
   }
   // 1.反序列化
   try {
     return HessianUtils.decode(msg.getBody());
   } catch (IOException e) {
     logger.error("反序列化出错!" + e.getMessage(), e);
     return null;
   }
 }
Example #5
0
  public void init() throws MQClientException {
    nameServer = PropertyFileUtil.get("rocketmq.namesrv.domain");

    if (StringUtils.isBlank(nameServer)) {

      logger.warn("【MQ init】property rocketmq.namesrv.domain not found");

      return;
    }

    if ("localTest".equals(nameServer)) {

      logger.warn("【MQ init】localTest");

      return;
    }

    if (StringUtils.isBlank(System.getProperty("rocketmq.namesrv.domain"))) {
      System.setProperty("rocketmq.namesrv.domain", nameServer);
    }
    topicType = getTopic();
    topic = RocketMqUtils.getTopic(topicType);

    if (StringUtils.isBlank(group)) {
      group = "S_" + topic.getTopic() + "_" + topic.getTags();
    }
    consumer = new DefaultMQPushConsumer(group);
    consumer.setNamesrvAddr(nameServer);
    consumer.setMessageModel(getMessageModel());
    consumer.setConsumeThreadMin(minConsumeThread);
    consumer.setConsumeThreadMax(maxConsumeThread);
    // 可以不设置 设置后可以起多个 消费端
    try {
      consumer.setInstanceName("DEFAULT_CONSUMER-" + InetAddress.getLocalHost().getHostName());
    } catch (UnknownHostException e) {
      logger.error("getHostName error", e);
    }
    // 设置订阅的topic 设置订阅过滤表达式
    if (StringUtils.isBlank(subExpression)) {
      subExpression = topic.getTags();
      consumer.subscribe(topic.getTopic(), subExpression);
    } else {
      consumer.subscribe(topic.getTopic(), subExpression);
    }
    try {
      consumer.registerMessageListener(this);
      consumer.start();
    } catch (MQClientException e) {
      logger.error(
          "consumer start error!topic={},subExpression={},group={}",
          topic.getTopic(),
          subExpression,
          group,
          e);
    }
    logger.info(
        "consumer start! topic={},subExpression={},group={}",
        topic.getTopic(),
        subExpression,
        group);
  }