Package com.alibaba.rocketmq.common.message

Examples of com.alibaba.rocketmq.common.message.MessageExt

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        switch (this.defaultMQPushConsumer.getMessageModel()) {
        case BROADCASTING:
            // 如果是广播模式，直接丢弃失败消息，需要在文档中告知用户
            // 这样做的原因：广播模式对于失败重试代价过高，对整个集群性能会有较大影响，失败重试功能交由应用处理
            for (int i = ackIndex + 1; i < consumeRequest.getMsgs().size(); i++) {
                MessageExt msg = consumeRequest.getMsgs().get(i);
                log.warn("BROADCASTING, the message consume failed, drop it, {}", msg.toString());
            }
            break;
        case CLUSTERING:
            // 处理消费失败的消息，直接发回到Broker
            List<MessageExt> msgBackFailed = new ArrayList<MessageExt>(consumeRequest.getMsgs().size());
            for (int i = ackIndex + 1; i < consumeRequest.getMsgs().size(); i++) {
                MessageExt msg = consumeRequest.getMsgs().get(i);
                boolean result = this.sendMessageBack(msg, context);
                if (!result) {
                    msg.setReconsumeTimes(msg.getReconsumeTimes() + 1);
                    msgBackFailed.add(msg);
                }
            }

            if (!msgBackFailed.isEmpty()) {
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    class MessageListenerOrderlyImpl implements MessageListenerOrderly {

        @Override
        public ConsumeOrderlyStatus consumeMessage(List<MessageExt> arg0, ConsumeOrderlyContext arg1) {
            MessageExt msgRMQ = arg0.get(0);
            Message msg = ONSUtil.msgConvert(msgRMQ);

            MessageOrderListener listener = OrderConsumerImpl.this.subscribeTable.get(msg.getTopic());
            if (null == listener) {
                throw new ONSClientException("MessageOrderListener is null");
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    class MessageListenerImpl implements MessageListenerConcurrently {

        @Override
        public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgsRMQList,
                ConsumeConcurrentlyContext contextRMQ) {
            MessageExt msgRMQ = msgsRMQList.get(0);
            Message msg = ONSUtil.msgConvert(msgRMQ);

            MessageListener listener = ConsumerImpl.this.subscribeTable.get(msg.getTopic());
            if (null == listener) {
                throw new ONSClientException("MessageListener is null");
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            @Override
            public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgs,
                    ConsumeConcurrentlyContext context) {
                System.out.println(Thread.currentThread().getName() + " Receive New Messages: " + msgs);

                MessageExt msg = msgs.get(0);
                if (msg.getTopic().equals("TopicTest1")) {
                    // 执行TopicTest1的消费逻辑
                    if (msg.getTags() != null && msg.getTags().equals("TagA")) {
                        // 执行TagA的消费
                    }
                    else if (msg.getTags() != null && msg.getTags().equals("TagC")) {
                        // 执行TagC的消费
                    }
                    else if (msg.getTags() != null && msg.getTags().equals("TagD")) {
                        // 执行TagD的消费
                    }
                }
                else if (msg.getTopic().equals("TopicTest2")) {
                    // 执行TopicTest2的消费逻辑
                }

                return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
            }
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    class MessageListenerOrderlyImpl implements MessageListenerOrderly {

        @Override
        public ConsumeOrderlyStatus consumeMessage(List<MessageExt> arg0, ConsumeOrderlyContext arg1) {
            MessageExt msgRMQ = arg0.get(0);
            Message msg = ONSUtil.msgConvert(msgRMQ);
            msg.setMsgID(msgRMQ.getMsgId());

            MessageOrderListener listener = OrderConsumerImpl.this.subscribeTable.get(msg.getTopic());
            if (null == listener) {
                throw new ONSClientException("MessageOrderListener is null");
            }
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    class MessageListenerImpl implements MessageListenerConcurrently {

        @Override
        public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgsRMQList,
                ConsumeConcurrentlyContext contextRMQ) {
            MessageExt msgRMQ = msgsRMQList.get(0);
            Message msg = ONSUtil.msgConvert(msgRMQ);
            msg.setMsgID(msgRMQ.getMsgId());

            MessageListener listener = ConsumerImpl.this.subscribeTable.get(msg.getTopic());
            if (null == listener) {
                throw new ONSClientException("MessageListener is null");
            }
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            throws RemotingCommandException {
        final CheckTransactionStateRequestHeader requestHeader =
                (CheckTransactionStateRequestHeader) request
                    .decodeCommandCustomHeader(CheckTransactionStateRequestHeader.class);
        final ByteBuffer byteBuffer = ByteBuffer.wrap(request.getBody());
        final MessageExt messageExt = MessageDecoder.decode(byteBuffer);
        if (messageExt != null) {
            final String group = messageExt.getProperty(MessageConst.PROPERTY_PRODUCER_GROUP);
            if (group != null) {
                MQProducerInner producer = this.mqClientFactory.selectProducer(group);
                if (producer != null) {
                    final String addr = RemotingHelper.parseChannelRemoteAddr(ctx.channel());
                    producer.checkTransactionState(addr, messageExt, requestHeader);
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                            nextOffset = offset + (i / ConsumeQueue.CQStoreUnitSize);

                            long countdown = deliverTimestamp - System.currentTimeMillis();
                            // 时间到了，该投递
                            if (countdown <= 0) {
                                MessageExt msgExt =
                                        ScheduleMessageService.this.defaultMessageStore.lookMessageByOffset(
                                            offsetPy, sizePy);
                                if (msgExt != null) {
                                    MessageExtBrokerInner msgInner = this.messageTimeup(msgExt);
                                    PutMessageResult putMessageResult =
                                            ScheduleMessageService.this.defaultMessageStore
                                                .putMessage(msgInner);
                                    // 成功
                                    if (putMessageResult != null
                                            && putMessageResult.getPutMessageStatus() == PutMessageStatus.PUT_OK) {
                                        continue;
                                    }
                                    // 失败
                                    else {
                                        log.error(
                                            "a message time up, but reput it failed, topic: {} msgId {}",
                                            msgExt.getTopic(), msgExt.getMsgId());
                                        ScheduleMessageService.this.timer.schedule(
                                            new DeliverDelayedMessageTimerTask(this.delayLevel, nextOffset),
                                            DELAY_FOR_A_PERIOD);
                                        ScheduleMessageService.this.updateOffset(this.delayLevel, nextOffset);
                                        return;
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        RemotingCommand response = this.remotingClient.invokeSync(addr, request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
        case ResponseCode.SUCCESS: {
            ByteBuffer byteBuffer = ByteBuffer.wrap(response.getBody());
            MessageExt messageExt = MessageDecoder.decode(byteBuffer);
            // 清除虚拟运行环境相关的projectGroupPrefix
            if (!UtilAll.isBlank(projectGroupPrefix)) {
                messageExt.setTopic(VirtualEnvUtil.clearProjectGroup(messageExt.getTopic(),
                    projectGroupPrefix));
            }
            return messageExt;
        }
        default:
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        final RemotingCommand response = RemotingCommand.createResponseCommand(null);
        final ConsumeMessageDirectlyResultRequestHeader requestHeader =
                (ConsumeMessageDirectlyResultRequestHeader) request
                    .decodeCommandCustomHeader(ConsumeMessageDirectlyResultRequestHeader.class);

        final MessageExt msg = MessageDecoder.decode(ByteBuffer.wrap(request.getBody()));

        ConsumeMessageDirectlyResult result =
                this.mqClientFactory.consumeMessageDirectly(msg, requestHeader.getConsumerGroup(),
                    requestHeader.getBrokerName());
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Related Classes of com.alibaba.rocketmq.common.message.MessageExt

  • com.alibaba.ons.api.impl.rocketmq.ConsumerImpl$MessageListenerImpl
  • com.alibaba.ons.api.impl.rocketmq.OrderConsumerImpl$MessageListenerOrderlyImpl
  • com.alibaba.rocketmq.broker.processor.EndTransactionProcessor
  • com.alibaba.rocketmq.broker.processor.SendMessageProcessor
  • com.alibaba.rocketmq.client.impl.ClientRemotingProcessor
  • com.alibaba.rocketmq.client.impl.consumer.ConsumeMessageConcurrentlyService
  • com.alibaba.rocketmq.client.impl.consumer.ProcessQueue
  • com.alibaba.rocketmq.client.impl.MQClientAPIImpl
  • com.alibaba.rocketmq.example.benchmark.Consumer
  • com.alibaba.rocketmq.example.simple.PushConsumer
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