com.alibaba.rocketmq.client.consumer.PullResult Java Examples

public PullResult pullMessage(//
                              final String addr, //
                              final PullMessageRequestHeader requestHeader, //
                              final long timeoutMillis, //
                              final CommunicationMode communicationMode, //
                              final PullCallback pullCallback//
) throws RemotingException, MQBrokerException, InterruptedException {
    RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.PULL_MESSAGE, requestHeader);

    switch (communicationMode) {
        case ONEWAY:
            assert false;
            return null;
        case ASYNC:
            this.pullMessageAsync(addr, request, timeoutMillis, pullCallback);
            return null;
        case SYNC:
            return this.pullMessageSync(addr, request, timeoutMillis);
        default:
            assert false;
            break;
    }

    return null;
}
 

public static void main(String[] args) throws MQClientException {
    DefaultMQPullConsumer consumer = new DefaultMQPullConsumer("please_rename_unique_group_name_5");
    consumer.start();

    try {
        MessageQueue mq = new MessageQueue();
        mq.setQueueId(0);
        mq.setTopic("TopicTest3");
        mq.setBrokerName("vivedeMacBook-Pro.local");

        long offset = 26;

        long beginTime = System.currentTimeMillis();
        PullResult pullResult = consumer.pullBlockIfNotFound(mq, null, offset, 32);
        System.out.println(System.currentTimeMillis() - beginTime);
        System.out.println(pullResult);
    } catch (Exception e) {
        e.printStackTrace();
    }

    consumer.shutdown();
}
 

public static void main(String[] args) throws MQClientException {
    DefaultMQPullConsumer consumer = new DefaultMQPullConsumer("please_rename_unique_group_name_5");
    consumer.start();

    try {
        MessageQueue mq = new MessageQueue();
        mq.setQueueId(0);
        mq.setTopic("TopicTest3");
        mq.setBrokerName("vivedeMacBook-Pro.local");

        long offset = 26;

        long beginTime = System.currentTimeMillis();
        PullResult pullResult = consumer.pullBlockIfNotFound(mq, null, offset, 32);
        System.out.println(System.currentTimeMillis() - beginTime);
        System.out.println(pullResult);
    }
    catch (Exception e) {
        e.printStackTrace();
    }

    consumer.shutdown();
}
 

public PullResult pullMessage(//
        final String addr,//
        final PullMessageRequestHeader requestHeader,//
        final long timeoutMillis,//
        final CommunicationMode communicationMode,//
        final PullCallback pullCallback//
) throws RemotingException, MQBrokerException, InterruptedException {
    RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.PULL_MESSAGE, requestHeader);

    switch (communicationMode) {
    case ONEWAY:
        assert false;
        return null;
    case ASYNC:
        this.pullMessageAsync(addr, request, timeoutMillis, pullCallback);
        return null;
    case SYNC:
        return this.pullMessageSync(addr, request, timeoutMillis);
    default:
        assert false;
        break;
    }

    return null;
}
 

private PullResult processPullResponse(final RemotingCommand response) throws MQBrokerException, RemotingCommandException {
    PullStatus pullStatus = PullStatus.NO_NEW_MSG;
    switch (response.getCode()) {
    case ResponseCode.SUCCESS:
        pullStatus = PullStatus.FOUND;
        break;
    case ResponseCode.PULL_NOT_FOUND:
        pullStatus = PullStatus.NO_NEW_MSG;
        break;
    case ResponseCode.PULL_RETRY_IMMEDIATELY:
        pullStatus = PullStatus.NO_MATCHED_MSG;
        break;
    case ResponseCode.PULL_OFFSET_MOVED:
        pullStatus = PullStatus.OFFSET_ILLEGAL;
        break;

    default:
        throw new MQBrokerException(response.getCode(), response.getRemark());
    }

    PullMessageResponseHeader responseHeader =
            (PullMessageResponseHeader) response.decodeCommandCustomHeader(PullMessageResponseHeader.class);

    return new PullResultExt(pullStatus, responseHeader.getNextBeginOffset(), responseHeader.getMinOffset(),
        responseHeader.getMaxOffset(), null, responseHeader.getSuggestWhichBrokerId(), response.getBody());
}
 

private PullResult processPullResponse(final RemotingCommand response) throws MQBrokerException, RemotingCommandException {
    PullStatus pullStatus = PullStatus.NO_NEW_MSG;
    switch (response.getCode()) {
        case ResponseCode.SUCCESS:
            pullStatus = PullStatus.FOUND;
            break;
        case ResponseCode.PULL_NOT_FOUND:
            pullStatus = PullStatus.NO_NEW_MSG;
            break;
        case ResponseCode.PULL_RETRY_IMMEDIATELY:
            pullStatus = PullStatus.NO_MATCHED_MSG;
            break;
        case ResponseCode.PULL_OFFSET_MOVED:
            pullStatus = PullStatus.OFFSET_ILLEGAL;
            break;

        default:
            throw new MQBrokerException(response.getCode(), response.getRemark());
    }

    PullMessageResponseHeader responseHeader =
            (PullMessageResponseHeader) response.decodeCommandCustomHeader(PullMessageResponseHeader.class);

    return new PullResultExt(pullStatus, responseHeader.getNextBeginOffset(), responseHeader.getMinOffset(),
            responseHeader.getMaxOffset(), null, responseHeader.getSuggestWhichBrokerId(), response.getBody());
}
 

public static void main(String[] args) throws MQClientException {
    DefaultMQPullConsumer consumer = new DefaultMQPullConsumer("please_rename_unique_group_name_5");
    consumer.start();

    try {
        MessageQueue mq = new MessageQueue();
        mq.setQueueId(0);
        mq.setTopic("TopicTest3");
        mq.setBrokerName("vivedeMacBook-Pro.local");

        long offset = 26;

        long beginTime = System.currentTimeMillis();
        PullResult pullResult = consumer.pullBlockIfNotFound(mq, null, offset, 32);
        System.out.println(System.currentTimeMillis() - beginTime);
        System.out.println(pullResult);
    }
    catch (Exception e) {
        e.printStackTrace();
    }

    consumer.shutdown();
}
 

public static void main(String[] args) throws MQClientException {
    final MQPullConsumerScheduleService scheduleService = new MQPullConsumerScheduleService("GroupName1");

    scheduleService.setMessageModel(MessageModel.CLUSTERING);
    scheduleService.registerPullTaskCallback("TopicTest1", new PullTaskCallback() {

        @Override
        public void doPullTask(MessageQueue mq, PullTaskContext context) {
            MQPullConsumer consumer = context.getPullConsumer();
            try {
                long offset = consumer.fetchConsumeOffset(mq, false);
                if (offset < 0)
                    offset = 0;

                PullResult pullResult = consumer.pull(mq, "*", offset, 32);
                System.out.println(offset + "\t" + mq + "\t" + pullResult);
                switch (pullResult.getPullStatus()) {
                case FOUND:
                    break;
                case NO_MATCHED_MSG:
                    break;
                case NO_NEW_MSG:
                case OFFSET_ILLEGAL:
                    break;
                default:
                    break;
                }

                consumer.updateConsumeOffset(mq, pullResult.getNextBeginOffset());

                context.setPullNextDelayTimeMillis(100);
            }
            catch (Exception e) {
                e.printStackTrace();
            }
        }
    });

    scheduleService.start();
}
 

private PullResult pullMessageSync(//
                                   final String addr, // 1
                                   final RemotingCommand request, // 2
                                   final long timeoutMillis// 3
) throws RemotingException, InterruptedException, MQBrokerException {
    RemotingCommand response = this.remotingClient.invokeSync(addr, request, timeoutMillis);
    assert response != null;
    return this.processPullResponse(response);
}
 

/**
 * 客户端拉取消息通用方法
 * 
 * @param addr
 * @param requestHeader
 * @param timeoutMillis
 * @param communicationMode
 * @param pullCallback
 * @return
 * @throws RemotingException
 * @throws MQBrokerException
 * @throws InterruptedException
 */
public PullResult pullMessage(final String addr, final PullMessageRequestHeader requestHeader,
        final long timeoutMillis, final CommunicationMode communicationMode,
        final PullCallback pullCallback)
                throws RemotingException, MQBrokerException, InterruptedException {
    if (!UtilAll.isBlank(projectGroupPrefix)) {
        requestHeader.setConsumerGroup(
            VirtualEnvUtil.buildWithProjectGroup(requestHeader.getConsumerGroup(), projectGroupPrefix));
        requestHeader
            .setTopic(VirtualEnvUtil.buildWithProjectGroup(requestHeader.getTopic(), projectGroupPrefix));
    }

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

    switch (communicationMode) {
    case ONEWAY:
        assert false;
        return null;
    case ASYNC:
        this.pullMessageAsync(addr, request, timeoutMillis, pullCallback);
        return null;
    case SYNC:
        return this.pullMessageSync(addr, request, timeoutMillis);
    default:
        assert false;
        break;
    }

    return null;
}
 

/**
 * 处理拉取消息的响应
 * 
 * @param response
 * @return
 * @throws MQBrokerException
 * @throws RemotingCommandException
 */
private PullResult processPullResponse(final RemotingCommand response)
        throws MQBrokerException, RemotingCommandException {
    PullStatus pullStatus = PullStatus.NO_NEW_MSG;
    switch (response.getCode()) {
    case ResponseCode.SUCCESS:
        pullStatus = PullStatus.FOUND;
        break;
    case ResponseCode.PULL_NOT_FOUND:
        pullStatus = PullStatus.NO_NEW_MSG;
        break;
    case ResponseCode.PULL_RETRY_IMMEDIATELY:
        pullStatus = PullStatus.NO_MATCHED_MSG;
        break;
    case ResponseCode.PULL_OFFSET_MOVED:
        pullStatus = PullStatus.OFFSET_ILLEGAL;
        break;

    default:
        throw new MQBrokerException(response.getCode(), response.getRemark());
    }

    PullMessageResponseHeader responseHeader = (PullMessageResponseHeader) response
        .decodeCommandCustomHeader(PullMessageResponseHeader.class);

    return new PullResultExt(pullStatus, responseHeader.getNextBeginOffset(),
        responseHeader.getMinOffset(), responseHeader.getMaxOffset(), null,
        responseHeader.getSuggestWhichBrokerId(), response.getBody());
}
 

public static void main(String[] args) throws MQClientException {
    DefaultMQPullConsumer consumer = new DefaultMQPullConsumer("please_rename_unique_group_name_5");

    consumer.start();

    Set<MessageQueue> mqs = consumer.fetchSubscribeMessageQueues("TopicTest");
    for (MessageQueue mq : mqs) {
        System.out.println("Consume from the queue: " + mq);
        SINGLE_MQ: while (true) {
            try {
                PullResult pullResult =
                        consumer.pullBlockIfNotFound(mq, null, getMessageQueueOffset(mq), 32);
                System.out.println(pullResult);
                putMessageQueueOffset(mq, pullResult.getNextBeginOffset());
                switch (pullResult.getPullStatus()) {
                case FOUND:
                    // TODO
                    break;
                case NO_MATCHED_MSG:
                    break;
                case NO_NEW_MSG:
                    break SINGLE_MQ;
                case OFFSET_ILLEGAL:
                    break;
                default:
                    break;
                }
            }
            catch (Exception e) {
                e.printStackTrace();
            }
        }
    }

    consumer.shutdown();
}
 

public static void main(String[] args) throws MQClientException {
    DefaultMQPullConsumer consumer = new DefaultMQPullConsumer("please_rename_unique_group_name_5");

    consumer.start();

    Set<MessageQueue> mqs = consumer.fetchSubscribeMessageQueues("TopicTest1");
    for (MessageQueue mq : mqs) {
        System.out.println("Consume from the queue: " + mq);
        SINGLE_MQ: while (true) {
            try {
                PullResult pullResult =
                        consumer.pullBlockIfNotFound(mq, null, getMessageQueueOffset(mq), 32);
                System.out.println(pullResult);
                putMessageQueueOffset(mq, pullResult.getNextBeginOffset());
                switch (pullResult.getPullStatus()) {
                case FOUND:
                    break;
                case NO_MATCHED_MSG:
                    break;
                case NO_NEW_MSG:
                    break SINGLE_MQ;
                case OFFSET_ILLEGAL:
                    break;
                default:
                    break;
                }
            }
            catch (Exception e) {
                e.printStackTrace();
            }
        }
    }

    consumer.shutdown();
}
 

private PullResult pullMessageSync(//
        final String addr,// 1
        final RemotingCommand request,// 2
        final long timeoutMillis// 3
) throws RemotingException, InterruptedException, MQBrokerException {
    RemotingCommand response = this.remotingClient.invokeSync(addr, request, timeoutMillis);
    assert response != null;
    return this.processPullResponse(response);
}
 

public static void main(String[] args) throws MQClientException {
    DefaultMQPullConsumer consumer = new DefaultMQPullConsumer("please_rename_unique_group_name_5");

    consumer.start();

    Set<MessageQueue> mqs = consumer.fetchSubscribeMessageQueues("TopicTest1");
    for (MessageQueue mq : mqs) {
        System.out.println("Consume from the queue: " + mq);
        SINGLE_MQ:
        while (true) {
            try {
                PullResult pullResult =
                        consumer.pullBlockIfNotFound(mq, null, getMessageQueueOffset(mq), 32);
                System.out.println(pullResult);
                putMessageQueueOffset(mq, pullResult.getNextBeginOffset());
                switch (pullResult.getPullStatus()) {
                    case FOUND:
                        break;
                    case NO_MATCHED_MSG:
                        break;
                    case NO_NEW_MSG:
                        break SINGLE_MQ;
                    case OFFSET_ILLEGAL:
                        break;
                    default:
                        break;
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }

    consumer.shutdown();
}
 

public PullResult pull(MessageQueue mq, String subExpression, long offset, int maxNums)
        throws MQClientException, RemotingException, MQBrokerException, InterruptedException {
    return pull(mq, subExpression, offset, maxNums,
        this.defaultMQPullConsumer.getConsumerPullTimeoutMillis());
}
 

public PullResult pull(MessageQueue mq, String subExpression, long offset, int maxNums, long timeout)
        throws MQClientException, RemotingException, MQBrokerException, InterruptedException {
    return this.pullSyncImpl(mq, subExpression, offset, maxNums, false, timeout);
}
 

public List<MessageExt> fetchOneBatch() {
	List<MessageExt> ret = new ArrayList<MessageExt>();
	
	
	String subexpress = metaSpoutConfig.getSubExpress();
	for(Entry<MessageQueue, Long>entry : currentOffsets.entrySet()) {
		MessageQueue mq = entry.getKey();
		Long offset = entry.getValue();
		
		
		int fetchSize = 0;
		int oneFetchSize = Math.min(oneQueueFetchSize, 32);
		
		while(fetchSize < oneQueueFetchSize) {
			
			PullResult pullResult = null;
            try {
                pullResult = consumer.pullBlockIfNotFound(mq, subexpress, offset, oneFetchSize);
                offset = pullResult.getNextBeginOffset();
                PullStatus status = pullResult.getPullStatus();
                if  (status == PullStatus.FOUND) {
                	List<MessageExt> msgList = pullResult.getMsgFoundList();
                    ret.addAll(msgList);
                    fetchSize += msgList.size();
                    continue;
                }else if (status ==  PullStatus.NO_MATCHED_MSG) {
                    continue;
                }else if (status == PullStatus.NO_NEW_MSG ) {
                    break;
                }else if (status == PullStatus.OFFSET_ILLEGAL) {
                    break;
                }else {
                
                    break;
                }
            }
            catch (Exception e) {
                LOG.warn("Failed to fetch messages of " + mq + ":" + offset, e);
                break;
            }
		}
		
		backendOffset.put(mq, offset);
	}
	
	return ret;
}
 

private PullResult pullSyncImpl(MessageQueue mq, String subExpression, long offset, int maxNums,
        boolean block, long timeout)
                throws MQClientException, RemotingException, MQBrokerException, InterruptedException {
    this.makeSureStateOK();

    if (null == mq) {
        throw new MQClientException("mq is null", null);

    }

    if (offset < 0) {
        throw new MQClientException("offset < 0", null);
    }

    if (maxNums <= 0) {
        throw new MQClientException("maxNums <= 0", null);
    }

    this.subscriptionAutomatically(mq.getTopic());

    int sysFlag = PullSysFlag.buildSysFlag(false, block, true, false);

    SubscriptionData subscriptionData;
    try {
        subscriptionData = FilterAPI.buildSubscriptionData(this.defaultMQPullConsumer.getConsumerGroup(), //
            mq.getTopic(), subExpression);
    }
    catch (Exception e) {
        throw new MQClientException("parse subscription error", e);
    }

    long timeoutMillis =
            block ? this.defaultMQPullConsumer.getConsumerTimeoutMillisWhenSuspend() : timeout;

    PullResult pullResult = this.pullAPIWrapper.pullKernelImpl(//
        mq, // 1
        subscriptionData.getSubString(), // 2
        0L, // 3
        offset, // 4
        maxNums, // 5
        sysFlag, // 6
        0, // 7
        this.defaultMQPullConsumer.getBrokerSuspendMaxTimeMillis(), // 8
        timeoutMillis, // 9
        CommunicationMode.SYNC, // 10
        null// 11
    );

    return this.pullAPIWrapper.processPullResult(mq, pullResult, subscriptionData);
}
 

public PullResult pullBlockIfNotFound(MessageQueue mq, String subExpression, long offset, int maxNums)
        throws MQClientException, RemotingException, MQBrokerException, InterruptedException {
    return this.pullSyncImpl(mq, subExpression, offset, maxNums, true,
        this.getDefaultMQPullConsumer().getConsumerPullTimeoutMillis());
}
 

public PullResult pullKernelImpl(//
        final MessageQueue mq, // 1
        final String subExpression, // 2
        final long subVersion, // 3
        final long offset, // 4
        final int maxNums, // 5
        final int sysFlag, // 6
        final long commitOffset, // 7
        final long brokerSuspendMaxTimeMillis, // 8
        final long timeoutMillis, // 9
        final CommunicationMode communicationMode, // 10
        final PullCallback pullCallback// 11
) throws MQClientException, RemotingException, MQBrokerException, InterruptedException {
    FindBrokerResult findBrokerResult = this.mQClientFactory
        .findBrokerAddressInSubscribe(mq.getBrokerName(), this.recalculatePullFromWhichNode(mq), false);
    if (null == findBrokerResult) {
        this.mQClientFactory.updateTopicRouteInfoFromNameServer(mq.getTopic());
        findBrokerResult = this.mQClientFactory.findBrokerAddressInSubscribe(mq.getBrokerName(),
            this.recalculatePullFromWhichNode(mq), false);
    }

    if (findBrokerResult != null) {
        int sysFlagInner = sysFlag;

        if (findBrokerResult.isSlave()) {
            sysFlagInner = PullSysFlag.clearCommitOffsetFlag(sysFlagInner);
        }

        PullMessageRequestHeader requestHeader = new PullMessageRequestHeader();
        requestHeader.setConsumerGroup(this.consumerGroup);
        requestHeader.setTopic(mq.getTopic());
        requestHeader.setQueueId(mq.getQueueId());
        requestHeader.setQueueOffset(offset);
        requestHeader.setMaxMsgNums(maxNums);
        requestHeader.setSysFlag(sysFlagInner);
        requestHeader.setCommitOffset(commitOffset);
        requestHeader.setSuspendTimeoutMillis(brokerSuspendMaxTimeMillis);
        requestHeader.setSubscription(subExpression);
        requestHeader.setSubVersion(subVersion);

        String brokerAddr = findBrokerResult.getBrokerAddr();
        if (PullSysFlag.hasClassFilterFlag(sysFlagInner)) {
            brokerAddr = computPullFromWhichFilterServer(mq.getTopic(), brokerAddr);
        }

        PullResult pullResult = this.mQClientFactory.getMQClientAPIImpl().pullMessage(//
            brokerAddr, //
            requestHeader, //
            timeoutMillis, //
            communicationMode, //
            pullCallback);

        return pullResult;
    }

    throw new MQClientException("The broker[" + mq.getBrokerName() + "] not exist", null);
}
 

@Override
public void execute(CommandLine commandLine, Options options, RPCHook rpcHook) {
    DefaultMQAdminExt defaultMQAdminExt = new DefaultMQAdminExt(rpcHook);
    DefaultMQPullConsumer defaultMQPullConsumer = new DefaultMQPullConsumer(MixAll.TOOLS_CONSUMER_GROUP);

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

    try {
        String topic = commandLine.getOptionValue('t').trim();
        String brokerName = commandLine.getOptionValue('b').trim();
        String queueId = commandLine.getOptionValue('i').trim();
        String offset = commandLine.getOptionValue('o').trim();

        MessageQueue mq = new MessageQueue();
        mq.setTopic(topic);
        mq.setBrokerName(brokerName);
        mq.setQueueId(Integer.parseInt(queueId));

        defaultMQPullConsumer.start();
        defaultMQAdminExt.start();

        PullResult pullResult = defaultMQPullConsumer.pull(mq, "*", Long.parseLong(offset), 1);
        if (pullResult != null) {
            switch (pullResult.getPullStatus()) {
            case FOUND:
                QueryMsgByIdSubCommand.queryById(defaultMQAdminExt,
                    pullResult.getMsgFoundList().get(0).getMsgId());
                break;
            case NO_MATCHED_MSG:
            case NO_NEW_MSG:
            case OFFSET_ILLEGAL:
            default:
                break;
            }
        }
    }
    catch (Exception e) {
        e.printStackTrace();
    }
    finally {
        defaultMQPullConsumer.shutdown();
        defaultMQAdminExt.shutdown();
    }
}
 

private void computeUndoneMsgs(final UndoneMsgs undoneMsgs, final ConsumeStats consumeStats) {
    long total = 0;
    long singleMax = 0;
    long delayMax = 0;
    Iterator<Entry<MessageQueue, OffsetWrapper>> it = consumeStats.getOffsetTable().entrySet().iterator();
    while (it.hasNext()) {
        Entry<MessageQueue, OffsetWrapper> next = it.next();
        MessageQueue mq = next.getKey();
        OffsetWrapper ow = next.getValue();
        long diff = ow.getBrokerOffset() - ow.getConsumerOffset();

        if (diff > singleMax) {
            singleMax = diff;
        }

        if (diff > 0) {
            total += diff;
        }

        // Delay
        if (ow.getLastTimestamp() > 0) {
            try {
                long maxOffset = this.defaultMQPullConsumer.maxOffset(mq);
                if (maxOffset > 0) {
                    PullResult pull = this.defaultMQPullConsumer.pull(mq, "*", maxOffset - 1, 1);
                    switch (pull.getPullStatus()) {
                    case FOUND:
                        long delay =
                                pull.getMsgFoundList().get(0).getStoreTimestamp() - ow.getLastTimestamp();
                        if (delay > delayMax) {
                            delayMax = delay;
                        }
                        break;
                    case NO_MATCHED_MSG:
                    case NO_NEW_MSG:
                    case OFFSET_ILLEGAL:
                        break;
                    default:
                        break;
                    }
                }
            }
            catch (Exception e) {
            }
        }
    }

    undoneMsgs.setUndoneMsgsTotal(total);
    undoneMsgs.setUndoneMsgsSingleMQ(singleMax);
    undoneMsgs.setUndoneMsgsDelayTimeMills(delayMax);
}
 

public PullResult pull(MessageQueue mq, String subExpression, long offset, int maxNums)
        throws MQClientException, RemotingException, MQBrokerException, InterruptedException {
    return pull(mq, subExpression, offset, maxNums,
            this.defaultMQPullConsumer.getConsumerPullTimeoutMillis());
}
 

private void computeUndoneMsgs(final UndoneMsgs undoneMsgs, final ConsumeStats consumeStats) {
    long total = 0;
    long singleMax = 0;
    long delayMax = 0;
    Iterator<Entry<MessageQueue, OffsetWrapper>> it = consumeStats.getOffsetTable().entrySet().iterator();
    while (it.hasNext()) {
        Entry<MessageQueue, OffsetWrapper> next = it.next();
        MessageQueue mq = next.getKey();
        OffsetWrapper ow = next.getValue();
        long diff = ow.getBrokerOffset() - ow.getConsumerOffset();

        if (diff > singleMax) {
            singleMax = diff;
        }

        if (diff > 0) {
            total += diff;
        }

        // Delay
        if (ow.getLastTimestamp() > 0) {
            try {
                long maxOffset = this.defaultMQPullConsumer.maxOffset(mq);
                if (maxOffset > 0) {
                    PullResult pull = this.defaultMQPullConsumer.pull(mq, "*", maxOffset - 1, 1);
                    switch (pull.getPullStatus()) {
                        case FOUND:
                            long delay =
                                    pull.getMsgFoundList().get(0).getStoreTimestamp() - ow.getLastTimestamp();
                            if (delay > delayMax) {
                                delayMax = delay;
                            }
                            break;
                        case NO_MATCHED_MSG:
                        case NO_NEW_MSG:
                        case OFFSET_ILLEGAL:
                            break;
                        default:
                            break;
                    }
                }
            } catch (Exception e) {
            }
        }
    }

    undoneMsgs.setUndoneMsgsTotal(total);
    undoneMsgs.setUndoneMsgsSingleMQ(singleMax);
    undoneMsgs.setUndoneMsgsDelayTimeMills(delayMax);
}
 

@Override
public void execute(CommandLine commandLine, Options options, RPCHook rpcHook) {
    DefaultMQAdminExt defaultMQAdminExt = new DefaultMQAdminExt(rpcHook);
    DefaultMQPullConsumer defaultMQPullConsumer = new DefaultMQPullConsumer(MixAll.TOOLS_CONSUMER_GROUP,rpcHook);

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

    try {
        String topic = commandLine.getOptionValue('t').trim();
        String brokerName = commandLine.getOptionValue('b').trim();
        String queueId = commandLine.getOptionValue('i').trim();
        String offset = commandLine.getOptionValue('o').trim();

        MessageQueue mq = new MessageQueue();
        mq.setTopic(topic);
        mq.setBrokerName(brokerName);
        mq.setQueueId(Integer.parseInt(queueId));

        defaultMQPullConsumer.start();
        defaultMQAdminExt.start();

        PullResult pullResult = defaultMQPullConsumer.pull(mq, "*", Long.parseLong(offset), 1);
        if (pullResult != null) {
            switch (pullResult.getPullStatus()) {
                case FOUND:
                    QueryMsgByIdSubCommand.queryById(defaultMQAdminExt, pullResult.getMsgFoundList().get(0)
                            .getMsgId());
                    break;
                case NO_MATCHED_MSG:
                case NO_NEW_MSG:
                case OFFSET_ILLEGAL:
                default:
                    break;
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        defaultMQPullConsumer.shutdown();
        defaultMQAdminExt.shutdown();
    }
}
 

@CmdTrace(cmdClazz = QueryMsgByOffsetSubCommand.class)
public Table queryMsgByOffset(String topicName, String brokerName, String queueId, String offset)
        throws Throwable {
    Throwable t = null;
    DefaultMQPullConsumer defaultMQPullConsumer = new DefaultMQPullConsumer(MixAll.TOOLS_CONSUMER_GROUP);

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

    try {
        MessageQueue mq = new MessageQueue();
        mq.setTopic(topicName);
        mq.setBrokerName(brokerName);
        mq.setQueueId(Integer.parseInt(queueId));

        defaultMQPullConsumer.start();

        PullResult pullResult = defaultMQPullConsumer.pull(mq, "*", Long.parseLong(offset), 1);
        if (pullResult != null) {
            switch (pullResult.getPullStatus()) {
            case FOUND:
                Table table = queryMsgById(pullResult.getMsgFoundList().get(0).getMsgId());
                return table;
            case NO_MATCHED_MSG:
            case NO_NEW_MSG:
            case OFFSET_ILLEGAL:
            default:
                break;
            }
        }
        else {
            throw new IllegalStateException("pullResult is null");
        }
    }
    catch (Throwable e) {
        logger.error(e.getMessage(), e);
        t = e;
    }
    finally {
        defaultMQPullConsumer.shutdown();
    }
    throw t;
}
 

public PullResult pullKernelImpl(//
                                 final MessageQueue mq,// 1
                                 final String subExpression,// 2
                                 final long subVersion,// 3
                                 final long offset,// 4
                                 final int maxNums,// 5
                                 final int sysFlag,// 6
                                 final long commitOffset,// 7
                                 final long brokerSuspendMaxTimeMillis,// 8
                                 final long timeoutMillis,// 9
                                 final CommunicationMode communicationMode,// 10
                                 final PullCallback pullCallback// 11
) throws MQClientException, RemotingException, MQBrokerException, InterruptedException {
    FindBrokerResult findBrokerResult =
            this.mQClientFactory.findBrokerAddressInSubscribe(mq.getBrokerName(),
                    this.recalculatePullFromWhichNode(mq), false);
    if (null == findBrokerResult) {
        this.mQClientFactory.updateTopicRouteInfoFromNameServer(mq.getTopic());
        findBrokerResult =
                this.mQClientFactory.findBrokerAddressInSubscribe(mq.getBrokerName(),
                        this.recalculatePullFromWhichNode(mq), false);
    }

    if (findBrokerResult != null) {
        int sysFlagInner = sysFlag;

        if (findBrokerResult.isSlave()) {
            sysFlagInner = PullSysFlag.clearCommitOffsetFlag(sysFlagInner);
        }

        PullMessageRequestHeader requestHeader = new PullMessageRequestHeader();
        requestHeader.setConsumerGroup(this.consumerGroup);
        requestHeader.setTopic(mq.getTopic());
        requestHeader.setQueueId(mq.getQueueId());
        requestHeader.setQueueOffset(offset);
        requestHeader.setMaxMsgNums(maxNums);
        requestHeader.setSysFlag(sysFlagInner);
        requestHeader.setCommitOffset(commitOffset);
        requestHeader.setSuspendTimeoutMillis(brokerSuspendMaxTimeMillis);
        requestHeader.setSubscription(subExpression);
        requestHeader.setSubVersion(subVersion);

        String brokerAddr = findBrokerResult.getBrokerAddr();
        if (PullSysFlag.hasClassFilterFlag(sysFlagInner)) {
            brokerAddr = computPullFromWhichFilterServer(mq.getTopic(), brokerAddr);
        }

        PullResult pullResult = this.mQClientFactory.getMQClientAPIImpl().pullMessage(//
                brokerAddr,//
                requestHeader,//
                timeoutMillis,//
                communicationMode,//
                pullCallback);

        return pullResult;
    }

    throw new MQClientException("The broker[" + mq.getBrokerName() + "] not exist", null);
}
 

public PullResult pullBlockIfNotFound(MessageQueue mq, String subExpression, long offset, int maxNums)
        throws MQClientException, RemotingException, MQBrokerException, InterruptedException {
    return this.pullSyncImpl(mq, subExpression, offset, maxNums, true, this.getDefaultMQPullConsumer().getConsumerPullTimeoutMillis());
}
 

public PullResult pull(MessageQueue mq, String subExpression, long offset, int maxNums, long timeout)
        throws MQClientException, RemotingException, MQBrokerException, InterruptedException {
    return this.pullSyncImpl(mq, subExpression, offset, maxNums, false, timeout);
}