Package com.alibaba.rocketmq.common.protocol.route

Examples of com.alibaba.rocketmq.common.protocol.route.TopicRouteData

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    private boolean topicRouteDataIsChange(TopicRouteData olddata, TopicRouteData nowdata) {
        if (olddata == null || nowdata == null)
            return true;
        TopicRouteData old = olddata.cloneTopicRouteData();
        TopicRouteData now = nowdata.cloneTopicRouteData();
        Collections.sort(old.getQueueDatas());
        Collections.sort(old.getBrokerDatas());
        Collections.sort(now.getQueueDatas());
        Collections.sort(now.getBrokerDatas());
        return !old.equals(now);

    }
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        return null;
    }


    public String findBrokerAddrByTopic(final String topic) {
        TopicRouteData topicRouteData = this.topicRouteTable.get(topic);
        if (topicRouteData != null) {
            List<BrokerData> brokers = topicRouteData.getBrokerDatas();
            if (!brokers.isEmpty()) {
                BrokerData bd = brokers.get(0);
                return bd.selectBrokerAddr();
            }
        }
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    private boolean isBrokerAddrExistInTopicRouteTable(final String addr) {
        Iterator<Entry<String, TopicRouteData>> it = this.topicRouteTable.entrySet().iterator();
        while (it.hasNext()) {
            Entry<String, TopicRouteData> entry = it.next();
            TopicRouteData topicRouteData = entry.getValue();
            List<BrokerData> bds = topicRouteData.getBrokerDatas();
            for (BrokerData bd : bds) {
                if (bd.getBrokerAddrs() != null) {
                    boolean exist = bd.getBrokerAddrs().containsValue(addr);
                    if (exist)
                        return true;
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                classFile,//
                className,//
                RemotingHelper.exceptionSimpleDesc(e1));
        }

        TopicRouteData topicRouteData = this.topicRouteTable.get(topic);
        if (topicRouteData != null //
                && topicRouteData.getFilterServerTable() != null
                && !topicRouteData.getFilterServerTable().isEmpty()) {
            Iterator<Entry<String, List<String>>> it =
                    topicRouteData.getFilterServerTable().entrySet().iterator();
            while (it.hasNext()) {
                Entry<String, List<String>> next = it.next();
                List<String> value = next.getValue();
                for (final String fsAddr : value) {
                    try {
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    public boolean updateTopicRouteInfoFromNameServer(final String topic, boolean isDefault,
            DefaultMQProducer defaultMQProducer) {
        try {
            if (this.lockNamesrv.tryLock(LockTimeoutMillis, TimeUnit.MILLISECONDS)) {
                try {
                    TopicRouteData topicRouteData;
                    if (isDefault && defaultMQProducer != null) {
                        topicRouteData =
                                this.mQClientAPIImpl.getDefaultTopicRouteInfoFromNameServer(
                                    defaultMQProducer.getCreateTopicKey(), 1000 * 3);
                        if (topicRouteData != null) {
                            for (QueueData data : topicRouteData.getQueueDatas()) {
                                // 读写分区个数是一致，故只做一次判断
                                int queueNums =
                                        Math.min(defaultMQProducer.getDefaultTopicQueueNums(),
                                            data.getReadQueueNums());
                                data.setReadQueueNums(queueNums);
                                data.setWriteQueueNums(queueNums);
                            }
                        }
                    }
                    else {
                        topicRouteData =
                                this.mQClientAPIImpl.getTopicRouteInfoFromNameServer(topic, 1000 * 3);
                    }
                    if (topicRouteData != null) {
                        TopicRouteData old = this.topicRouteTable.get(topic);
                        boolean changed = topicRouteDataIsChange(old, topicRouteData);
                        if (!changed) {
                            changed = this.isNeedUpdateTopicRouteInfo(topic);
                        }
                        else {
                            log.info("the topic[{}] route info changed, odl[{}] ,new[{}]", topic, old,
                                topicRouteData);
                        }

                        if (changed) {
                            // 后面排序会影响下次的equal逻辑判断，所以先clone一份
                            TopicRouteData cloneTopicRouteData = topicRouteData.cloneTopicRouteData();

                            // 更新Broker地址信息
                            for (BrokerData bd : topicRouteData.getBrokerDatas()) {
                                this.brokerAddrTable.put(bd.getBrokerName(), bd.getBrokerAddrs());
                            }
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    private boolean topicRouteDataIsChange(TopicRouteData olddata, TopicRouteData nowdata) {
        if (olddata == null || nowdata == null)
            return true;
        TopicRouteData old = olddata.cloneTopicRouteData();
        TopicRouteData now = nowdata.cloneTopicRouteData();
        Collections.sort(old.getQueueDatas());
        Collections.sort(old.getBrokerDatas());
        Collections.sort(now.getQueueDatas());
        Collections.sort(now.getBrokerDatas());
        return !old.equals(now);

    }
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        return null;
    }


    public String findBrokerAddrByTopic(final String topic) {
        TopicRouteData topicRouteData = this.topicRouteTable.get(topic);
        if (topicRouteData != null) {
            List<BrokerData> brokers = topicRouteData.getBrokerDatas();
            if (!brokers.isEmpty()) {
                BrokerData bd = brokers.get(0);
                return bd.selectBrokerAddr();
            }
        }
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     */
    private String computPullFromWhichFilterServer(final String topic, final String brokerAddr)
            throws MQClientException {
        ConcurrentHashMap<String, TopicRouteData> topicRouteTable = this.mQClientFactory.getTopicRouteTable();
        if (topicRouteTable != null) {
            TopicRouteData topicRouteData = topicRouteTable.get(topic);
            List<String> list = topicRouteData.getFilterServerTable().get(brokerAddr);

            if (list != null && !list.isEmpty()) {
                return list.get(randomNum() % list.size());
            }
        }
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    }


    public void createTopic(String key, String newTopic, int queueNum) throws MQClientException {
        try {
            TopicRouteData topicRouteData =
                    this.mQClientFactory.getMQClientAPIImpl().getTopicRouteInfoFromNameServer(key, 1000 * 3);
            List<BrokerData> brokerDataList = topicRouteData.getBrokerDatas();
            if (brokerDataList != null && !brokerDataList.isEmpty()) {
                // 排序原因：即使没有配置顺序消息模式，默认队列的顺序同配置的一致。
                Collections.sort(brokerDataList);

                MQClientException exception = null;
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    }


    public List<MessageQueue> fetchPublishMessageQueues(String topic) throws MQClientException {
        try {
            TopicRouteData topicRouteData =
                    this.mQClientFactory.getMQClientAPIImpl()
                        .getTopicRouteInfoFromNameServer(topic, 1000 * 3);
            if (topicRouteData != null) {
                TopicPublishInfo topicPublishInfo =
                        MQClientInstance.topicRouteData2TopicPublishInfo(topic, topicRouteData);
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Related Classes of com.alibaba.rocketmq.common.protocol.route.TopicRouteData

  • com.alibaba.rocketmq.client.impl.consumer.DefaultMQPushConsumerImpl
  • com.alibaba.rocketmq.client.impl.consumer.PullAPIWrapper
  • com.alibaba.rocketmq.client.impl.factory.MQClientFactory
  • com.alibaba.rocketmq.client.impl.factory.MQClientInstance
  • com.alibaba.rocketmq.client.impl.MQAdminImpl
  • com.alibaba.rocketmq.namesrv.processor.DefaultRequestProcessor
  • com.alibaba.rocketmq.namesrv.routeinfo.RouteInfoManager
  • com.alibaba.rocketmq.tools.admin.DefaultMQAdminExtImpl
  • com.alibaba.rocketmq.tools.command.topic.TopicListSubCommand
  • com.alibaba.rocketmq.tools.command.topic.TopicRouteSubCommand
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