org.apache.rocketmq.common.protocol.route.TopicRouteData Java Examples

@Override
public void execute(final CommandLine commandLine, final Options options,
    RPCHook rpcHook) throws SubCommandException {
    DefaultMQAdminExt defaultMQAdminExt = new DefaultMQAdminExt(rpcHook);

    defaultMQAdminExt.setInstanceName(Long.toString(System.currentTimeMillis()));

    try {
        defaultMQAdminExt.start();

        String topic = commandLine.getOptionValue('t').trim();
        TopicRouteData topicRouteData = defaultMQAdminExt.examineTopicRouteInfo(topic);
        String json = topicRouteData.toJson(true);
        System.out.printf("%s%n", json);
    } catch (Exception e) {
        throw new SubCommandException(this.getClass().getSimpleName() + " command failed", e);
    } finally {
        defaultMQAdminExt.shutdown();
    }
}
 

public Set<MessageQueue> fetchSubscribeMessageQueues(String topic) throws MQClientException {
    try {
        TopicRouteData topicRouteData = this.mQClientFactory.getMQClientAPIImpl().getTopicRouteInfoFromNameServer(topic, timeoutMillis);
        if (topicRouteData != null) {
            Set<MessageQueue> mqList = MQClientInstance.topicRouteData2TopicSubscribeInfo(topic, topicRouteData);
            if (!mqList.isEmpty()) {
                return mqList;
            } else {
                throw new MQClientException("Can not find Message Queue for this topic, " + topic + " Namesrv return empty", null);
            }
        }
    } catch (Exception e) {
        throw new MQClientException(
            "Can not find Message Queue for this topic, " + topic + FAQUrl.suggestTodo(FAQUrl.MQLIST_NOT_EXIST),
            e);
    }

    throw new MQClientException("Unknow why, Can not find Message Queue for this topic, " + topic, null);
}
 

@Override
public TopicStatsTable examineTopicStats(
    String topic) throws RemotingException, MQClientException, InterruptedException,
    MQBrokerException {
    TopicRouteData topicRouteData = this.examineTopicRouteInfo(topic);
    TopicStatsTable topicStatsTable = new TopicStatsTable();

    for (BrokerData bd : topicRouteData.getBrokerDatas()) {
        String addr = bd.selectBrokerAddr();
        if (addr != null) {
            TopicStatsTable tst = this.mqClientInstance.getMQClientAPIImpl().getTopicStatsInfo(addr, topic, timeoutMillis);
            topicStatsTable.getOffsetTable().putAll(tst.getOffsetTable());
        }
    }

    if (topicStatsTable.getOffsetTable().isEmpty()) {
        throw new MQClientException("Not found the topic stats info", null);
    }

    return topicStatsTable;
}
 

private String findTopicBelongToWhichCluster(final String topic, final ClusterInfo clusterInfo,
    final DefaultMQAdminExt defaultMQAdminExt) throws RemotingException, MQClientException,
    InterruptedException {
    TopicRouteData topicRouteData = defaultMQAdminExt.examineTopicRouteInfo(topic);

    BrokerData brokerData = topicRouteData.getBrokerDatas().get(0);

    String brokerName = brokerData.getBrokerName();

    Iterator<Entry<String, Set<String>>> it = clusterInfo.getClusterAddrTable().entrySet().iterator();
    while (it.hasNext()) {
        Entry<String, Set<String>> next = it.next();
        if (next.getValue().contains(brokerName)) {
            return next.getKey();
        }
    }
    return null;
}
 

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;
            }
        }
    }

    return false;
}
 

/**
 * BrokerAddr变成从哪个FilterServer拉取
 * @param topic topic
 * @param brokerAddr brokerAddr
 * @return ;
 * @throws MQClientException ;
 */
private String computPullFromWhichFilterServer(final String topic, final String brokerAddr)
    throws MQClientException {

    ConcurrentMap<String, TopicRouteData> topicRouteTable = this.mQClientFactory.getTopicRouteTable();
    if (topicRouteTable != null) {
        TopicRouteData topicRouteData = topicRouteTable.get(topic);
        List<String> list = topicRouteData.getFilterServerTable().get(brokerAddr);

        /*
         * 从FilterServer中随机查找一个List
         */
        if (list != null && !list.isEmpty()) {
            return list.get(randomNum() % list.size());
        }
    }

    throw new MQClientException("Find Filter Server Failed, Broker Addr: " + brokerAddr + " topic: " + topic, null);
}
 

public static TopicRouteData createTopicRoute() {
    TopicRouteData topicRouteData = new TopicRouteData();

    topicRouteData.setFilterServerTable(new HashMap<String, List<String>>());
    List<BrokerData> brokerDataList = new ArrayList<BrokerData>();
    BrokerData brokerData = new BrokerData();
    brokerData.setBrokerName("BrokerA");
    brokerData.setCluster("DefaultCluster");
    HashMap<Long, String> brokerAddrs = new HashMap<Long, String>();
    brokerAddrs.put(0L, "127.0.0.1:10911");
    brokerData.setBrokerAddrs(brokerAddrs);
    brokerDataList.add(brokerData);
    topicRouteData.setBrokerDatas(brokerDataList);

    List<QueueData> queueDataList = new ArrayList<QueueData>();
    QueueData queueData = new QueueData();
    queueData.setBrokerName("BrokerA");
    queueData.setPerm(6);
    queueData.setReadQueueNums(3);
    queueData.setWriteQueueNums(4);
    queueData.setTopicSynFlag(0);
    queueDataList.add(queueData);
    topicRouteData.setQueueDatas(queueDataList);
    return topicRouteData;
}
 

public Map<MessageQueue, Long> resetOffsetByTimestamp(String topic, String group, long timestamp, boolean isForce, boolean isC)
    throws RemotingException, MQBrokerException, InterruptedException, MQClientException {
    TopicRouteData topicRouteData = this.examineTopicRouteInfo(topic);
    List<BrokerData> brokerDatas = topicRouteData.getBrokerDatas();
    Map<MessageQueue, Long> allOffsetTable = new HashMap<MessageQueue, Long>();
    if (brokerDatas != null) {
        for (BrokerData brokerData : brokerDatas) {
            String addr = brokerData.selectBrokerAddr();
            if (addr != null) {
                Map<MessageQueue, Long> offsetTable =
                    this.mqClientInstance.getMQClientAPIImpl().invokeBrokerToResetOffset(addr, topic, group, timestamp, isForce,
                        timeoutMillis, isC);
                if (offsetTable != null) {
                    allOffsetTable.putAll(offsetTable);
                }
            }
        }
    }
    return allOffsetTable;
}
 

public static TopicRouteData createTraceTopicRoute() {
    TopicRouteData topicRouteData = new TopicRouteData();

    topicRouteData.setFilterServerTable(new HashMap<String, List<String>>());
    List<BrokerData> brokerDataList = new ArrayList<BrokerData>();
    BrokerData brokerData = new BrokerData();
    brokerData.setBrokerName("broker-trace");
    brokerData.setCluster("DefaultCluster");
    HashMap<Long, String> brokerAddrs = new HashMap<Long, String>();
    brokerAddrs.put(0L, "127.0.0.1:10912");
    brokerData.setBrokerAddrs(brokerAddrs);
    brokerDataList.add(brokerData);
    topicRouteData.setBrokerDatas(brokerDataList);

    List<QueueData> queueDataList = new ArrayList<QueueData>();
    QueueData queueData = new QueueData();
    queueData.setBrokerName("broker-trace");
    queueData.setPerm(6);
    queueData.setReadQueueNums(1);
    queueData.setWriteQueueNums(1);
    queueData.setTopicSynFlag(1);
    queueDataList.add(queueData);
    topicRouteData.setQueueDatas(queueDataList);
    return topicRouteData;
}
 

public Set<MessageQueue> fetchSubscribeMessageQueues(String topic) throws MQClientException {
    try {
        TopicRouteData topicRouteData = this.mQClientFactory.getMQClientAPIImpl().getTopicRouteInfoFromNameServer(topic, timeoutMillis);
        if (topicRouteData != null) {
            Set<MessageQueue> mqList = MQClientInstance.topicRouteData2TopicSubscribeInfo(topic, topicRouteData);
            if (!mqList.isEmpty()) {
                return mqList;
            } else {
                throw new MQClientException("Can not find Message Queue for this topic, " + topic + " Namesrv return empty", null);
            }
        }
    } catch (Exception e) {
        throw new MQClientException(
            "Can not find Message Queue for this topic, " + topic + FAQUrl.suggestTodo(FAQUrl.MQLIST_NOT_EXIST),
            e);
    }

    throw new MQClientException("Unknow why, Can not find Message Queue for this topic, " + topic, null);
}
 

@Override
public ConsumeStats examineConsumeStats(String consumerGroup,
    String topic) throws RemotingException, MQClientException,
    InterruptedException, MQBrokerException {
    String queryTopic = topic == null ? MixAll.getRetryTopic(consumerGroup) : topic;
    TopicRouteData topicRouteData = this.examineTopicRouteInfo(queryTopic);
    ConsumeStats result = new ConsumeStats();

    for (BrokerData bd : topicRouteData.getBrokerDatas()) {
        String addr = bd.selectBrokerAddr();
        if (addr != null) {
            ConsumeStats consumeStats =
                this.mqClientInstance.getMQClientAPIImpl().getConsumeStats(addr, consumerGroup, topic, timeoutMillis * 3);
            result.getOffsetTable().putAll(consumeStats.getOffsetTable());
            double value = result.getConsumeTps() + consumeStats.getConsumeTps();
            result.setConsumeTps(value);
        }
    }

    if (result.getOffsetTable().isEmpty()) {
        throw new MQClientException(ResponseCode.CONSUMER_NOT_ONLINE,
            "Not found the consumer group consume stats, because return offset table is empty, maybe the consumer not consume any message");
    }

    return result;
}
 

public Map<MessageQueue, Long> resetOffsetByTimestamp(String topic, String group, long timestamp, boolean isForce,
    boolean isC)
    throws RemotingException, MQBrokerException, InterruptedException, MQClientException {
    TopicRouteData topicRouteData = this.examineTopicRouteInfo(topic);
    List<BrokerData> brokerDatas = topicRouteData.getBrokerDatas();
    Map<MessageQueue, Long> allOffsetTable = new HashMap<MessageQueue, Long>();
    if (brokerDatas != null) {
        for (BrokerData brokerData : brokerDatas) {
            String addr = brokerData.selectBrokerAddr();
            if (addr != null) {
                Map<MessageQueue, Long> offsetTable =
                    this.mqClientInstance.getMQClientAPIImpl().invokeBrokerToResetOffset(addr, topic, group, timestamp, isForce,
                        timeoutMillis, isC);
                if (offsetTable != null) {
                    allOffsetTable.putAll(offsetTable);
                }
            }
        }
    }
    return allOffsetTable;
}
 

public TopicRouteData getDefaultTopicRouteInfoFromNameServer(final String topic, final long timeoutMillis)
    throws RemotingException, MQClientException, InterruptedException {
    GetRouteInfoRequestHeader requestHeader = new GetRouteInfoRequestHeader();
    requestHeader.setTopic(topic);

    RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_ROUTEINTO_BY_TOPIC, requestHeader);

    RemotingCommand response = this.remotingClient.invokeSync(null, request, timeoutMillis);
    assert response != null;
    switch (response.getCode()) {
        case ResponseCode.TOPIC_NOT_EXIST: {
            // TODO LOG
            break;
        }
        case ResponseCode.SUCCESS: {
            byte[] body = response.getBody();
            if (body != null) {
                return TopicRouteData.decode(body, TopicRouteData.class);
            }
        }
        default:
            break;
    }

    throw new MQClientException(response.getCode(), response.getRemark());
}
 

@Override
public ConsumerRunningInfo getConsumerRunningInfo(String consumerGroup, String clientId,
    boolean jstack) throws RemotingException,
    MQClientException, InterruptedException {
    String topic = MixAll.RETRY_GROUP_TOPIC_PREFIX + consumerGroup;
    TopicRouteData topicRouteData = this.examineTopicRouteInfo(topic);
    List<BrokerData> brokerDatas = topicRouteData.getBrokerDatas();
    if (brokerDatas != null) {
        for (BrokerData brokerData : brokerDatas) {
            String addr = brokerData.selectBrokerAddr();
            if (addr != null) {
                return this.mqClientInstance.getMQClientAPIImpl().getConsumerRunningInfo(addr, consumerGroup, clientId, jstack,
                    timeoutMillis * 3);
            }
        }
    }
    return null;
}
 

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;
            }
        }
    }

    return false;
}
 

private String findTopicBelongToWhichCluster(final String topic, final ClusterInfo clusterInfo,
    final DefaultMQAdminExt defaultMQAdminExt) throws RemotingException, MQClientException,
    InterruptedException {
    TopicRouteData topicRouteData = defaultMQAdminExt.examineTopicRouteInfo(topic);

    BrokerData brokerData = topicRouteData.getBrokerDatas().get(0);

    String brokerName = brokerData.getBrokerName();

    Iterator<Entry<String, Set<String>>> it = clusterInfo.getClusterAddrTable().entrySet().iterator();
    while (it.hasNext()) {
        Entry<String, Set<String>> next = it.next();
        if (next.getValue().contains(brokerName)) {
            return next.getKey();
        }
    }
    return null;
}
 

@Override
public void execute(final CommandLine commandLine, final Options options,
    RPCHook rpcHook) throws SubCommandException {
    DefaultMQAdminExt defaultMQAdminExt = new DefaultMQAdminExt(rpcHook);

    defaultMQAdminExt.setInstanceName(Long.toString(System.currentTimeMillis()));

    try {
        defaultMQAdminExt.start();

        String topic = commandLine.getOptionValue('t').trim();
        TopicRouteData topicRouteData = defaultMQAdminExt.examineTopicRouteInfo(topic);
        String json = topicRouteData.toJson(true);
        System.out.printf("%s%n", json);
    } catch (Exception e) {
        throw new SubCommandException(this.getClass().getSimpleName() + " command failed", e);
    } finally {
        defaultMQAdminExt.shutdown();
    }
}
 

private String findTopicBelongToWhichCluster(final String topic, final ClusterInfo clusterInfo,
    final DefaultMQAdminExt defaultMQAdminExt) throws RemotingException, MQClientException,
    InterruptedException {
    TopicRouteData topicRouteData = defaultMQAdminExt.examineTopicRouteInfo(topic);

    BrokerData brokerData = topicRouteData.getBrokerDatas().get(0);

    String brokerName = brokerData.getBrokerName();

    Iterator<Entry<String, Set<String>>> it = clusterInfo.getClusterAddrTable().entrySet().iterator();
    while (it.hasNext()) {
        Entry<String, Set<String>> next = it.next();
        if (next.getValue().contains(brokerName)) {
            return next.getKey();
        }
    }
    return null;
}
 

@Override
public void execute(final CommandLine commandLine, final Options options,
    RPCHook rpcHook) throws SubCommandException {
    DefaultMQAdminExt defaultMQAdminExt = new DefaultMQAdminExt(rpcHook);

    defaultMQAdminExt.setInstanceName(Long.toString(System.currentTimeMillis()));

    try {
        defaultMQAdminExt.start();

        String topic = commandLine.getOptionValue('t').trim();
        TopicRouteData topicRouteData = defaultMQAdminExt.examineTopicRouteInfo(topic);
        String json = topicRouteData.toJson(true);
        System.out.printf("%s%n", json);
    } catch (Exception e) {
        throw new SubCommandException(this.getClass().getSimpleName() + " command failed", e);
    } finally {
        defaultMQAdminExt.shutdown();
    }
}
 

@Test
public void test_allocateSuccess() {
    List<String> cidAll = prepareCidList("A", 4);
    cidAll.addAll(prepareCidList("B", 5));
    cidAll.add(currentCid);
    List<MessageQueue> mqAll = prepareMqList(topic, "A", 4);
    mqAll.addAll(prepareMqList(topic, "B", 5));

    ConcurrentHashMap<String, TopicRouteData> topicRouteTable = new ConcurrentHashMap<>();
    TopicRouteData topicRouteData = prepareRouteData();
    topicRouteData.getBrokerDatas().addAll(prepareBrokerData("A", 5));
    topicRouteData.getBrokerDatas().addAll(prepareBrokerData("B", 5));
    topicRouteTable.put(topic, topicRouteData);
    allocateMessageQueueByIDC.setMqClientInstance(mqClientInstance);
    when(mqClientInstance.getTopicRouteTable()).thenReturn(new ConcurrentHashMap<>()).thenReturn(topicRouteTable);
    when(mqClientInstance.updateTopicRouteInfoFromNameServer(anyString())).thenReturn(true);

    List<MessageQueue> result = allocateMessageQueueByIDC.allocate("group", currentCid, mqAll, cidAll);

    assertThat(result.size()).isEqualTo(1);
    assertThat(result.get(0)).isEqualTo(mqAll.get(0));
}
 

@Override
public ConsumerRunningInfo getConsumerRunningInfo(String consumerGroup, String clientId,
    boolean jstack) throws RemotingException,
    MQClientException, InterruptedException {
    String topic = MixAll.RETRY_GROUP_TOPIC_PREFIX + consumerGroup;
    TopicRouteData topicRouteData = this.examineTopicRouteInfo(topic);
    List<BrokerData> brokerDatas = topicRouteData.getBrokerDatas();
    if (brokerDatas != null) {
        for (BrokerData brokerData : brokerDatas) {
            String addr = brokerData.selectBrokerAddr();
            if (addr != null) {
                return this.mqClientInstance.getMQClientAPIImpl().getConsumerRunningInfo(addr, consumerGroup, clientId, jstack,
                    timeoutMillis * 3);
            }
        }
    }
    return null;
}
 

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;
            }
        }
    }

    return false;
}
 

@Override
public TopicStatsTable examineTopicStats(String topic) throws RemotingException, MQClientException, InterruptedException,
    MQBrokerException {
    TopicRouteData topicRouteData = this.examineTopicRouteInfo(topic);
    TopicStatsTable topicStatsTable = new TopicStatsTable();

    for (BrokerData bd : topicRouteData.getBrokerDatas()) {
        String addr = bd.selectBrokerAddr();
        if (addr != null) {
            TopicStatsTable tst = this.mqClientInstance.getMQClientAPIImpl().getTopicStatsInfo(addr, topic, timeoutMillis);
            topicStatsTable.getOffsetTable().putAll(tst.getOffsetTable());
        }
    }

    if (topicStatsTable.getOffsetTable().isEmpty()) {
        throw new MQClientException("Not found the topic stats info", null);
    }

    return topicStatsTable;
}
 

public static TopicRouteData createTopicRoute() {
    TopicRouteData topicRouteData = new TopicRouteData();

    topicRouteData.setFilterServerTable(new HashMap<String, List<String>>());
    List<BrokerData> brokerDataList = new ArrayList<BrokerData>();
    BrokerData brokerData = new BrokerData();
    brokerData.setBrokerName("BrokerA");
    brokerData.setCluster("DefaultCluster");
    HashMap<Long, String> brokerAddrs = new HashMap<Long, String>();
    brokerAddrs.put(0L, "127.0.0.1:10911");
    brokerData.setBrokerAddrs(brokerAddrs);
    brokerDataList.add(brokerData);
    topicRouteData.setBrokerDatas(brokerDataList);

    List<QueueData> queueDataList = new ArrayList<QueueData>();
    QueueData queueData = new QueueData();
    queueData.setBrokerName("BrokerA");
    queueData.setPerm(6);
    queueData.setReadQueueNums(3);
    queueData.setWriteQueueNums(4);
    queueData.setTopicSynFlag(0);
    queueDataList.add(queueData);
    topicRouteData.setQueueDatas(queueDataList);
    return topicRouteData;
}
 

@Override
public GroupList queryTopicConsumeByWho(
    String topic) throws InterruptedException, MQBrokerException, RemotingException,
    MQClientException {
    TopicRouteData topicRouteData = this.examineTopicRouteInfo(topic);

    for (BrokerData bd : topicRouteData.getBrokerDatas()) {
        String addr = bd.selectBrokerAddr();
        if (addr != null) {
            return this.mqClientInstance.getMQClientAPIImpl().queryTopicConsumeByWho(addr, topic, timeoutMillis);
        }

        break;
    }

    return null;
}
 

@Test
public void test_allocateWithUnknownIdc() {
    List<String> cidAll = prepareCidList("A", 4);
    cidAll.addAll(prepareCidList("B", 5));
    cidAll.add(currentCid);
    List<MessageQueue> mqAll = prepareMqList(topic, "A", 4);
    mqAll.addAll(prepareMqList(topic, "B", 5));
    List<MessageQueue> mqInC = prepareMqList(topic, "C", 5);
    mqAll.addAll(mqInC);

    ConcurrentHashMap<String, TopicRouteData> topicRouteTable = new ConcurrentHashMap<>();
    TopicRouteData topicRouteData = prepareRouteData();
    topicRouteData.getBrokerDatas().addAll(prepareBrokerData("A", 5));
    topicRouteData.getBrokerDatas().addAll(prepareBrokerData("B", 5));
    topicRouteTable.put(topic, topicRouteData);
    allocateMessageQueueByIDC.setMqClientInstance(mqClientInstance);
    when(mqClientInstance.getTopicRouteTable()).thenReturn(new ConcurrentHashMap<>()).thenReturn(topicRouteTable);
    when(mqClientInstance.updateTopicRouteInfoFromNameServer(anyString())).thenReturn(true);

    List<MessageQueue> result = allocateMessageQueueByIDC.allocate("group", currentCid, mqAll, cidAll);

    assertThat(result.size()).isEqualTo(6);
    assertThat(result.get(0)).isEqualTo(mqAll.get(0));
    assertThat(result.containsAll(mqInC)).isTrue();
}
 

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;
            }
        }
    }

    return false;
}
 

/**
 * 根据topic获取Publish的消息的队列详情
 * @param topic topic
 * @return ;
 * @throws MQClientException ;
 */
public List<MessageQueue> fetchPublishMessageQueues(String topic) throws MQClientException {
    try {
        TopicRouteData topicRouteData = this.mQClientFactory.getMQClientAPIImpl().getTopicRouteInfoFromNameServer(topic, timeoutMillis);
        if (topicRouteData != null) {
            TopicPublishInfo topicPublishInfo = MQClientInstance.topicRouteData2TopicPublishInfo(topic, topicRouteData);
            if (topicPublishInfo != null && topicPublishInfo.ok()) {
                return topicPublishInfo.getMessageQueueList();
            }
        }
    } catch (Exception e) {
        throw new MQClientException("Can not find Message Queue for this topic, " + topic, e);
    }

    throw new MQClientException("Unknow why, Can not find Message Queue for this topic, " + topic, null);
}
 

public static Set<MessageQueue> topicRouteData2TopicSubscribeInfo(final String topic, final TopicRouteData route) {
    Set<MessageQueue> mqList = new HashSet<MessageQueue>();
    List<QueueData> qds = route.getQueueDatas();
    for (QueueData qd : qds) {
        if (PermName.isReadable(qd.getPerm())) {
            for (int i = 0; i < qd.getReadQueueNums(); i++) {
                MessageQueue mq = new MessageQueue(topic, qd.getBrokerName(), i);
                mqList.add(mq);
            }
        }
    }

    return mqList;
}
 

public List<QueueTimeSpan> queryConsumeTimeSpan(final String topic)
    throws RemotingException, MQClientException, InterruptedException, MQBrokerException {
    List<QueueTimeSpan> queueTimeSpan = new ArrayList<QueueTimeSpan>();
    TopicRouteData routeData = this.mQClientFactory.getMQClientAPIImpl().getTopicRouteInfoFromNameServer(topic, 3000);
    for (BrokerData brokerData : routeData.getBrokerDatas()) {
        String addr = brokerData.selectBrokerAddr();
        queueTimeSpan.addAll(this.mQClientFactory.getMQClientAPIImpl().queryConsumeTimeSpan(addr, topic, groupName(), 3000));
    }

    return queueTimeSpan;
}