Package com.alibaba.rocketmq.client.consumer.listener

Examples of com.alibaba.rocketmq.client.consumer.listener.MessageListenerConcurrently

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                log.info("the message queue not be able to consume, because it's dropped {}",
                    this.messageQueue);
                return;
            }

            MessageListenerConcurrently listener = ConsumeMessageConcurrentlyService.this.messageListener;
            ConsumeConcurrentlyContext context = new ConsumeConcurrentlyContext(messageQueue);
            ConsumeConcurrentlyStatus status = null;

            // 执行Hook
            ConsumeMessageContext consumeMessageContext = null;
            if (ConsumeMessageConcurrentlyService.this.defaultMQPushConsumerImpl.hasHook()) {
                consumeMessageContext = new ConsumeMessageContext();
                consumeMessageContext
                    .setConsumerGroup(ConsumeMessageConcurrentlyService.this.defaultMQPushConsumer
                        .getConsumerGroup());
                consumeMessageContext.setMq(messageQueue);
                consumeMessageContext.setMsgList(msgs);
                consumeMessageContext.setSuccess(false);
                ConsumeMessageConcurrentlyService.this.defaultMQPushConsumerImpl
                    .executeHookBefore(consumeMessageContext);
            }

            long beginTimestamp = System.currentTimeMillis();

            try {
                this.resetRetryTopic(msgs);
                status = listener.consumeMessage(msgs, context);
            }
            catch (Throwable e) {
                log.warn("consumeMessage exception: {} Group: {} Msgs: {} MQ: {}",//
                    RemotingHelper.exceptionSimpleDesc(e),//
                    ConsumeMessageConcurrentlyService.this.consumerGroup,//
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    public static void main(String[] args) throws InterruptedException, MQClientException {
        DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("please_rename_unique_group_name_4");

        consumer.subscribe("TopicTest", "*");

        consumer.registerMessageListener(new MessageListenerConcurrently() {

            @Override
            public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgs,
                    ConsumeConcurrentlyContext context) {
                System.out.println(Thread.currentThread().getName() + " Receive New Messages: " + msgs);
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        consumer.setMessageModel(MessageModel.BROADCASTING);

        consumer.subscribe("TopicTest", "TagA || TagC || TagD");

        consumer.registerMessageListener(new MessageListenerConcurrently() {

            @Override
            public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgs,
                    ConsumeConcurrentlyContext context) {
                System.out.println(Thread.currentThread().getName() + " Receive New Messages: " + msgs);
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        consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_MAX_OFFSET);

        consumer.subscribe("BenchmarkTest", "*");

        consumer.registerMessageListener(new MessageListenerConcurrently() {
            @Override
            public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgs,
                    ConsumeConcurrentlyContext context) {
                MessageExt msg = msgs.get(0);
                long now = System.currentTimeMillis();
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        /**
         * 订阅指定topic下tags分别等于TagA或TagC或TagD
         */
        consumer.subscribe("TopicTest", "TagA || TagC || TagD");

        consumer.registerMessageListener(new MessageListenerConcurrently() {
            AtomicLong consumeTimes = new AtomicLong(0);


            @Override
            public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgs,
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                log.info("the message queue not be able to consume, because it's dropped {}",
                    this.messageQueue);
                return;
            }

            MessageListenerConcurrently listener = ConsumeMessageConcurrentlyService.this.messageListener;
            ConsumeConcurrentlyContext context = new ConsumeConcurrentlyContext(messageQueue);
            ConsumeConcurrentlyStatus status = null;

            // 执行Hook
            ConsumeMessageContext consumeMessageContext = null;
            if (ConsumeMessageConcurrentlyService.this.defaultMQPushConsumerImpl.hasHook()) {
                consumeMessageContext = new ConsumeMessageContext();
                consumeMessageContext
                    .setConsumerGroup(ConsumeMessageConcurrentlyService.this.defaultMQPushConsumer
                        .getConsumerGroup());
                consumeMessageContext.setMq(messageQueue);
                consumeMessageContext.setMsgList(msgs);
                consumeMessageContext.setSuccess(false);
                ConsumeMessageConcurrentlyService.this.defaultMQPushConsumerImpl
                    .executeHookBefore(consumeMessageContext);
            }

            long beginTimestamp = System.currentTimeMillis();

            try {
                this.resetRetryTopic(msgs);
                status = listener.consumeMessage(Collections.unmodifiableList(msgs), context);
            }
            catch (Throwable e) {
                log.warn("consumeMessage exception: {} Group: {} Msgs: {} MQ: {}",//
                    RemotingHelper.exceptionSimpleDesc(e),//
                    ConsumeMessageConcurrentlyService.this.consumerGroup,//
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                log.info("the message queue not be able to consume, because it's dropped {}",
                    this.messageQueue);
                return;
            }

            MessageListenerConcurrently listener = ConsumeMessageConcurrentlyService.this.messageListener;
            ConsumeConcurrentlyContext context = new ConsumeConcurrentlyContext(messageQueue);
            ConsumeConcurrentlyStatus status = null;

            // 执行Hook
            ConsumeMessageContext consumeMessageContext = null;
            if (ConsumeMessageConcurrentlyService.this.defaultMQPushConsumerImpl.hasHook()) {
                consumeMessageContext = new ConsumeMessageContext();
                consumeMessageContext
                    .setConsumerGroup(ConsumeMessageConcurrentlyService.this.defaultMQPushConsumer
                        .getConsumerGroup());
                consumeMessageContext.setMq(messageQueue);
                consumeMessageContext.setMsgList(msgs);
                consumeMessageContext.setSuccess(false);
                ConsumeMessageConcurrentlyService.this.defaultMQPushConsumerImpl
                    .executeHookBefore(consumeMessageContext);
            }

            long beginTimestamp = System.currentTimeMillis();

            try {
                this.resetRetryTopic(msgs);
                status = listener.consumeMessage(Collections.unmodifiableList(msgs), context);
            }
            catch (Throwable e) {
                log.warn("consumeMessage exception: {} Group: {} Msgs: {} MQ: {}",//
                    RemotingHelper.exceptionSimpleDesc(e),//
                    ConsumeMessageConcurrentlyService.this.consumerGroup,//
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        /**
         * 使用Java代码，在服务器做消息过滤
         */
        consumer.subscribe("TopicFilter7", MessageFilterImpl.class.getCanonicalName());

        consumer.registerMessageListener(new MessageListenerConcurrently() {

            @Override
            public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgs,
                    ConsumeConcurrentlyContext context) {
                System.out.println(Thread.currentThread().getName() + " Receive New Messages: " + msgs);
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         * 设置Consumer第一次启动是从队列头部开始消费还是队列尾部开始消费<br>
         * 如果非第一次启动，那么按照上次消费的位置继续消费
         */
        consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_FIRST_OFFSET);

        consumer.registerMessageListener(new MessageListenerConcurrently() {

            /**
             * 默认msgs里只有一条消息，可以通过设置consumeMessageBatchMaxSize参数来批量接收消息
             */
            @Override
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         * 订阅指定topic下所有消息<br>
         * 注意：一个consumer对象可以订阅多个topic
         */
        consumer.subscribe("TopicTest2", "*");

        consumer.registerMessageListener(new MessageListenerConcurrently() {

            /**
             * 默认msgs里只有一条消息，可以通过设置consumeMessageBatchMaxSize参数来批量接收消息
             */
            @Override
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Related Classes of com.alibaba.rocketmq.client.consumer.listener.MessageListenerConcurrently

  • com.alibaba.rocketmq.client.impl.consumer.ConsumeMessageConcurrentlyService$ConsumeRequest
  • com.alibaba.rocketmq.example.benchmark.Consumer
  • com.alibaba.rocketmq.example.broadcast.PushConsumer
  • com.alibaba.rocketmq.example.filter.Consumer
  • com.alibaba.rocketmq.example.operation.Consumer
  • com.alibaba.rocketmq.example.quickstart.Consumer
  • com.alibaba.rocketmq.example.simple.PushConsumer
  • com.alibaba.rocketmq.tools.monitor.MonitorService
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