Java Code Examples for com.alibaba.rocketmq.common.help.FAQUrl#suggestTodo()

The following examples show how to use com.alibaba.rocketmq.common.help.FAQUrl#suggestTodo() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: LocalFileOffsetStore.java    From reading-and-annotate-rocketmq-3.4.6 with GNU General Public License v3.0 6 votes vote down vote up 
private OffsetSerializeWrapper readLocalOffsetBak() throws MQClientException {
    String content = MixAll.file2String(this.storePath + ".bak");
    if (content != null && content.length() > 0) {
        OffsetSerializeWrapper offsetSerializeWrapper = null;
        try {
            offsetSerializeWrapper =
                    OffsetSerializeWrapper.fromJson(content, OffsetSerializeWrapper.class);
        } catch (Exception e) {
            log.warn("readLocalOffset Exception", e);
            throw new MQClientException("readLocalOffset Exception, maybe fastjson version too low" //
                    + FAQUrl.suggestTodo(FAQUrl.LOAD_JSON_EXCEPTION), //
                    e);
        }
        return offsetSerializeWrapper;
    }

    return null;
}
Example 2
Source File: LocalFileOffsetStore.java    From rocketmq with Apache License 2.0 6 votes vote down vote up 
private OffsetSerializeWrapper readLocalOffsetBak() throws MQClientException {
    String content = MixAll.file2String(this.storePath + ".bak");
    if (content != null && content.length() > 0) {
        OffsetSerializeWrapper offsetSerializeWrapper = null;
        try {
            offsetSerializeWrapper =
                    OffsetSerializeWrapper.fromJson(content, OffsetSerializeWrapper.class);
        } catch (Exception e) {
            log.warn("readLocalOffset Exception", e);
            throw new MQClientException("readLocalOffset Exception, maybe fastjson version too low" //
                    + FAQUrl.suggestTodo(FAQUrl.LOAD_JSON_EXCEPTION), //
                    e);
        }
        return offsetSerializeWrapper;
    }

    return null;
}
Example 3
Source File: MixAll.java    From RocketMQ-Master-analyze with Apache License 2.0 5 votes vote down vote up 
public static String localhostName() {
    try {
        return InetAddress.getLocalHost().getHostName();
    }
    catch (Throwable e) {
        throw new RuntimeException(
            "InetAddress java.net.InetAddress.getLocalHost() throws UnknownHostException"
                    + FAQUrl.suggestTodo(FAQUrl.UNKNOWN_HOST_EXCEPTION),
            e);
    }
}
Example 4
Source File: DefaultMQAdminExtImpl.java    From rocketmq with Apache License 2.0 5 votes vote down vote up 
@Override
public void start() throws MQClientException {
    switch (this.serviceState) {
        case CREATE_JUST:
            this.serviceState = ServiceState.START_FAILED;

            this.defaultMQAdminExt.changeInstanceNameToPID();

            this.mqClientInstance = MQClientManager.getInstance().getAndCreateMQClientInstance(this.defaultMQAdminExt, rpcHook);

            boolean registerOK = mqClientInstance.registerAdminExt(this.defaultMQAdminExt.getAdminExtGroup(), this);
            if (!registerOK) {
                this.serviceState = ServiceState.CREATE_JUST;
                throw new MQClientException("The adminExt group[" + this.defaultMQAdminExt.getAdminExtGroup()
                        + "] has created already, specifed another name please."//
                        + FAQUrl.suggestTodo(FAQUrl.GROUP_NAME_DUPLICATE_URL), null);
            }

            mqClientInstance.start();

            log.info("the adminExt [{}] start OK", this.defaultMQAdminExt.getAdminExtGroup());

            this.serviceState = ServiceState.RUNNING;
            break;
        case RUNNING:
        case START_FAILED:
        case SHUTDOWN_ALREADY:
            throw new MQClientException("The AdminExt service state not OK, maybe started once, "//
                    + this.serviceState//
                    + FAQUrl.suggestTodo(FAQUrl.CLIENT_SERVICE_NOT_OK), null);
        default:
            break;
    }
}
Example 5
Source File: TopAddressing.java    From RocketMQ-Master-analyze with Apache License 2.0 5 votes vote down vote up 
public final String fetchNSAddr(boolean verbose, long timeoutMills) {
    try {
        HttpResult result = HttpTinyClient.httpGet(this.wsAddr, null, null, "UTF-8", timeoutMills);
        if (200 == result.code) {
            String responseStr = result.content;
            if (responseStr != null) {
                return clearNewLine(responseStr);
            }
            else {
                log.error("fetch nameserver address is null");
            }
        }
        else {
            log.error("fetch nameserver address failed. statusCode={}", result.code);
        }
    }
    catch (IOException e) {
        if (verbose) {
            log.error("fetchZKAddr exception", e);
        }
    }

    if (verbose) {
        String errorMsg = "connect to " + wsAddr + " failed, maybe the domain name "
                + MixAll.WS_DOMAIN_NAME + " not bind in /etc/hosts";
        errorMsg += FAQUrl.suggestTodo(FAQUrl.NAME_SERVER_ADDR_NOT_EXIST_URL);

        log.warn(errorMsg);
    }
    return null;
}
Example 6
Source File: DefaultMQPullConsumerImpl.java    From reading-and-annotate-rocketmq-3.4.6 with GNU General Public License v3.0 5 votes vote down vote up 
private void makeSureStateOK() throws MQClientException {
    if (this.serviceState != ServiceState.RUNNING) {
        throw new MQClientException("The consumer service state not OK, "//
                + this.serviceState//
                + FAQUrl.suggestTodo(FAQUrl.CLIENT_SERVICE_NOT_OK), null);
    }
}
Example 7
Source File: DefaultMQPullConsumerImpl.java    From rocketmq with Apache License 2.0 5 votes vote down vote up 
private void makeSureStateOK() throws MQClientException {
    if (this.serviceState != ServiceState.RUNNING) {
        throw new MQClientException("The consumer service state not OK, "//
                + this.serviceState//
                + FAQUrl.suggestTodo(FAQUrl.CLIENT_SERVICE_NOT_OK),
                null);
    }
}
Example 8
Source File: DefaultMQPullConsumerImpl.java    From reading-and-annotate-rocketmq-3.4.6 with GNU General Public License v3.0 5 votes vote down vote up 
private void checkConfig() throws MQClientException {
    // check consumerGroup
    Validators.checkGroup(this.defaultMQPullConsumer.getConsumerGroup());

    // consumerGroup
    if (null == this.defaultMQPullConsumer.getConsumerGroup()) {
        throw new MQClientException("consumerGroup is null" //
                + FAQUrl.suggestTodo(FAQUrl.CLIENT_PARAMETER_CHECK_URL), //
                null);
    }

    // consumerGroup
    if (this.defaultMQPullConsumer.getConsumerGroup().equals(MixAll.DEFAULT_CONSUMER_GROUP)) {
        throw new MQClientException("consumerGroup can not equal "//
                + MixAll.DEFAULT_CONSUMER_GROUP //
                + ", please specify another one."//
                + FAQUrl.suggestTodo(FAQUrl.CLIENT_PARAMETER_CHECK_URL), //
                null);
    }

    // messageModel
    if (null == this.defaultMQPullConsumer.getMessageModel()) {
        throw new MQClientException("messageModel is null" //
                + FAQUrl.suggestTodo(FAQUrl.CLIENT_PARAMETER_CHECK_URL), //
                null);
    }

    // allocateMessageQueueStrategy
    if (null == this.defaultMQPullConsumer.getAllocateMessageQueueStrategy()) {
        throw new MQClientException("allocateMessageQueueStrategy is null" //
                + FAQUrl.suggestTodo(FAQUrl.CLIENT_PARAMETER_CHECK_URL), //
                null);
    }
}
Example 9
Source File: DefaultMQAdminExtImpl.java    From RocketMQ-Master-analyze with Apache License 2.0 5 votes vote down vote up 
@Override
public void start() throws MQClientException {
    switch (this.serviceState) {
    case CREATE_JUST:
        this.serviceState = ServiceState.START_FAILED;

        this.defaultMQAdminExt.changeInstanceNameToPID();

        this.mqClientInstance = MQClientManager.getInstance()
            .getAndCreateMQClientInstance(this.defaultMQAdminExt, rpcHook);

        boolean registerOK =
                mqClientInstance.registerAdminExt(this.defaultMQAdminExt.getAdminExtGroup(), this);
        if (!registerOK) {
            this.serviceState = ServiceState.CREATE_JUST;
            throw new MQClientException("The adminExt group[" + this.defaultMQAdminExt.getAdminExtGroup()
                    + "] has created already, specifed another name please."//
                    + FAQUrl.suggestTodo(FAQUrl.GROUP_NAME_DUPLICATE_URL),
                null);
        }

        mqClientInstance.start();

        log.info("the adminExt [{}] start OK", this.defaultMQAdminExt.getAdminExtGroup());

        this.serviceState = ServiceState.RUNNING;
        break;
    case RUNNING:
    case START_FAILED:
    case SHUTDOWN_ALREADY:
        throw new MQClientException("The AdminExt service state not OK, maybe started once, "//
                + this.serviceState//
                + FAQUrl.suggestTodo(FAQUrl.CLIENT_SERVICE_NOT_OK),
            null);
    default:
        break;
    }
}
Example 10
Source File: DefaultMQAdminExtImpl.java    From reading-and-annotate-rocketmq-3.4.6 with GNU General Public License v3.0 5 votes vote down vote up 
@Override
public void start() throws MQClientException {
    switch (this.serviceState) {
    case CREATE_JUST:
        this.serviceState = ServiceState.START_FAILED;

        this.defaultMQAdminExt.changeInstanceNameToPID();

        this.mqClientInstance = MQClientManager.getInstance().getAndCreateMQClientInstance(this.defaultMQAdminExt, rpcHook);

        boolean registerOK = mqClientInstance.registerAdminExt(this.defaultMQAdminExt.getAdminExtGroup(), this);
        if (!registerOK) {
            this.serviceState = ServiceState.CREATE_JUST;
            throw new MQClientException("The adminExt group[" + this.defaultMQAdminExt.getAdminExtGroup()
                    + "] has created already, specifed another name please."//
                    + FAQUrl.suggestTodo(FAQUrl.GROUP_NAME_DUPLICATE_URL), null);
        }

        mqClientInstance.start();

        log.info("the adminExt [{}] start OK", this.defaultMQAdminExt.getAdminExtGroup());

        this.serviceState = ServiceState.RUNNING;
        break;
    case RUNNING:
    case START_FAILED:
    case SHUTDOWN_ALREADY:
        throw new MQClientException("The AdminExt service state not OK, maybe started once, "//
                + this.serviceState//
                + FAQUrl.suggestTodo(FAQUrl.CLIENT_SERVICE_NOT_OK), null);
    default:
        break;
    }
}
Example 11
Source File: MixAll.java    From rocketmq with Apache License 2.0 5 votes vote down vote up 
public static String localhostName() {
    try {
        return InetAddress.getLocalHost().getHostName();
    } catch (Throwable e) {
        throw new RuntimeException("InetAddress java.net.InetAddress.getLocalHost() throws UnknownHostException"
                + FAQUrl.suggestTodo(FAQUrl.UNKNOWN_HOST_EXCEPTION),
                e);
    }
}
Example 12
Source File: TopAddressing.java    From rocketmq with Apache License 2.0 5 votes vote down vote up 
public final String fetchNSAddr(boolean verbose, long timeoutMills) {
    String url = this.wsAddr;
    try {
        if (!UtilAll.isBlank(this.unitName)) {
            url = url + "-" + this.unitName + "?nofix=1";
        }
        HttpResult result = HttpTinyClient.httpGet(url, null, null, "UTF-8", timeoutMills);
        if (200 == result.code) {
            String responseStr = result.content;
            if (responseStr != null) {
                return clearNewLine(responseStr);
            } else {
                log.error("fetch nameserver address is null");
            }
        } else {
            log.error("fetch nameserver address failed. statusCode={}", result.code);
        }
    } catch (IOException e) {
        if (verbose) {
            log.error("fetch name server address exception", e);
        }
    }

    if (verbose) {
        String errorMsg =
                "connect to " + url + " failed, maybe the domain name " + MixAll.WS_DOMAIN_NAME + " not bind in /etc/hosts";
        errorMsg += FAQUrl.suggestTodo(FAQUrl.NAME_SERVER_ADDR_NOT_EXIST_URL);

        log.warn(errorMsg);
    }
    return null;
}
Example 13
Source File: TopAddressing.java    From reading-and-annotate-rocketmq-3.4.6 with GNU General Public License v3.0 5 votes vote down vote up 
public final String fetchNSAddr(boolean verbose, long timeoutMills) {
    String url = this.wsAddr;
    try {
        if (!UtilAll.isBlank(this.unitName)) {
            url = url + "-" + this.unitName + "?nofix=1";
        }
        HttpResult result = HttpTinyClient.httpGet(url, null, null, "UTF-8", timeoutMills);
        if (200 == result.code) {
            String responseStr = result.content;
            if (responseStr != null) {
                return clearNewLine(responseStr);
            }
            else {
                log.error("fetch nameserver address is null");
            }
        }
        else {
            log.error("fetch nameserver address failed. statusCode={}", result.code);
        }
    }
    catch (IOException e) {
        if (verbose) {
            log.error("fetch name server address exception", e);
        }
    }

    if (verbose) {
        String errorMsg =
                "connect to " + url + " failed, maybe the domain name " + MixAll.WS_DOMAIN_NAME + " not bind in /etc/hosts";
        errorMsg += FAQUrl.suggestTodo(FAQUrl.NAME_SERVER_ADDR_NOT_EXIST_URL);

        log.warn(errorMsg);
    }
    return null;
}
Example 14
Source File: MixAll.java    From RocketMQ-Master-analyze with Apache License 2.0 5 votes vote down vote up 
private static String localhost() {
    try {
        InetAddress addr = InetAddress.getLocalHost();
        return addr.getHostAddress();
    }
    catch (Throwable e) {
        throw new RuntimeException(
            "InetAddress java.net.InetAddress.getLocalHost() throws UnknownHostException"
                    + FAQUrl.suggestTodo(FAQUrl.UNKNOWN_HOST_EXCEPTION),
            e);
    }
}
Example 15
Source File: DefaultMQProducerImpl.java    From rocketmq with Apache License 2.0 5 votes vote down vote up 
private void makeSureStateOK() throws MQClientException {
    if (this.serviceState != ServiceState.RUNNING) {
        throw new MQClientException("The producer service state not OK, "//
                + this.serviceState//
                + FAQUrl.suggestTodo(FAQUrl.CLIENT_SERVICE_NOT_OK),
                null);
    }
}
Example 16
Source File: DefaultMQPullConsumerImpl.java    From rocketmq with Apache License 2.0 4 votes vote down vote up 
public void start() throws MQClientException {
    switch (this.serviceState) {
        case CREATE_JUST:
            this.serviceState = ServiceState.START_FAILED;

            this.checkConfig();

            this.copySubscription();

            if (this.defaultMQPullConsumer.getMessageModel() == MessageModel.CLUSTERING) {
                this.defaultMQPullConsumer.changeInstanceNameToPID();
            }

            this.mQClientFactory = MQClientManager.getInstance().getAndCreateMQClientInstance(this.defaultMQPullConsumer, this.rpcHook);

            this.rebalanceImpl.setConsumerGroup(this.defaultMQPullConsumer.getConsumerGroup());
            this.rebalanceImpl.setMessageModel(this.defaultMQPullConsumer.getMessageModel());
            this.rebalanceImpl.setAllocateMessageQueueStrategy(this.defaultMQPullConsumer.getAllocateMessageQueueStrategy());
            this.rebalanceImpl.setmQClientFactory(this.mQClientFactory);

            this.pullAPIWrapper = new PullAPIWrapper(//
                    mQClientFactory, //
                    this.defaultMQPullConsumer.getConsumerGroup(), isUnitMode());
            this.pullAPIWrapper.registerFilterMessageHook(filterMessageHookList);

            if (this.defaultMQPullConsumer.getOffsetStore() != null) {
                this.offsetStore = this.defaultMQPullConsumer.getOffsetStore();
            } else {
                switch (this.defaultMQPullConsumer.getMessageModel()) {
                    case BROADCASTING:
                        this.offsetStore = new LocalFileOffsetStore(this.mQClientFactory, this.defaultMQPullConsumer.getConsumerGroup());
                        break;
                    case CLUSTERING:
                        this.offsetStore = new RemoteBrokerOffsetStore(this.mQClientFactory, this.defaultMQPullConsumer.getConsumerGroup());
                        break;
                    default:
                        break;
                }
            }

            this.offsetStore.load();

            boolean registerOK = mQClientFactory.registerConsumer(this.defaultMQPullConsumer.getConsumerGroup(), this);
            if (!registerOK) {
                this.serviceState = ServiceState.CREATE_JUST;

                throw new MQClientException("The consumer group[" + this.defaultMQPullConsumer.getConsumerGroup()
                        + "] has been created before, specify another name please." + FAQUrl.suggestTodo(FAQUrl.GROUP_NAME_DUPLICATE_URL),
                        null);
            }

            mQClientFactory.start();
            log.info("the consumer [{}] start OK", this.defaultMQPullConsumer.getConsumerGroup());
            this.serviceState = ServiceState.RUNNING;
            break;
        case RUNNING:
        case START_FAILED:
        case SHUTDOWN_ALREADY:
            throw new MQClientException("The PullConsumer service state not OK, maybe started once, "//
                    + this.serviceState//
                    + FAQUrl.suggestTodo(FAQUrl.CLIENT_SERVICE_NOT_OK),
                    null);
        default:
            break;
    }
}
Example 17
Source File: DefaultMQPullConsumerImpl.java    From RocketMQ-Master-analyze with Apache License 2.0 4 votes vote down vote up 
public void start() throws MQClientException {
    switch (this.serviceState) {
    case CREATE_JUST:
        this.serviceState = ServiceState.START_FAILED;

        this.checkConfig();

        this.copySubscription();

        if (this.defaultMQPullConsumer.getMessageModel() == MessageModel.CLUSTERING) {
            this.defaultMQPullConsumer.changeInstanceNameToPID();
        }

        this.mQClientFactory = MQClientManager.getInstance()
            .getAndCreateMQClientInstance(this.defaultMQPullConsumer, this.rpcHook);

        this.rebalanceImpl.setConsumerGroup(this.defaultMQPullConsumer.getConsumerGroup());
        this.rebalanceImpl.setMessageModel(this.defaultMQPullConsumer.getMessageModel());
        this.rebalanceImpl.setAllocateMessageQueueStrategy(
            this.defaultMQPullConsumer.getAllocateMessageQueueStrategy());
        this.rebalanceImpl.setmQClientFactory(this.mQClientFactory);

        this.pullAPIWrapper = new PullAPIWrapper(//
            mQClientFactory, //
            this.defaultMQPullConsumer.getConsumerGroup(), isUnitMode());
        this.pullAPIWrapper.registerFilterMessageHook(filterMessageHookList);

        if (this.defaultMQPullConsumer.getOffsetStore() != null) {
            this.offsetStore = this.defaultMQPullConsumer.getOffsetStore();
        }
        else {
            switch (this.defaultMQPullConsumer.getMessageModel()) {
            case BROADCASTING:
                this.offsetStore = new LocalFileOffsetStore(this.mQClientFactory,
                    this.defaultMQPullConsumer.getConsumerGroup());
                break;
            case CLUSTERING:
                this.offsetStore = new RemoteBrokerOffsetStore(this.mQClientFactory,
                    this.defaultMQPullConsumer.getConsumerGroup());
                break;
            default:
                break;
            }
        }

        this.offsetStore.load();

        boolean registerOK =
                mQClientFactory.registerConsumer(this.defaultMQPullConsumer.getConsumerGroup(), this);
        if (!registerOK) {
            this.serviceState = ServiceState.CREATE_JUST;

            throw new MQClientException(
                "The consumer group[" + this.defaultMQPullConsumer.getConsumerGroup()
                        + "] has been created before, specify another name please."
                        + FAQUrl.suggestTodo(FAQUrl.GROUP_NAME_DUPLICATE_URL),
                null);
        }

        mQClientFactory.start();
        log.info("the consumer [{}] start OK", this.defaultMQPullConsumer.getConsumerGroup());
        this.serviceState = ServiceState.RUNNING;
        break;
    case RUNNING:
    case START_FAILED:
    case SHUTDOWN_ALREADY:
        throw new MQClientException("The PullConsumer service state not OK, maybe started once, "//
                + this.serviceState//
                + FAQUrl.suggestTodo(FAQUrl.CLIENT_SERVICE_NOT_OK),
            null);
    default:
        break;
    }
}
Example 18
Source File: DefaultMQPushConsumerImpl.java    From RocketMQ-Master-analyze with Apache License 2.0 4 votes vote down vote up 
public void start() throws MQClientException {
    switch (this.serviceState) {
    case CREATE_JUST:
        log.info("the consumer [{}] start beginning. messageModel={}, isUnitMode={}",
            this.defaultMQPushConsumer.getConsumerGroup(), this.defaultMQPushConsumer.getMessageModel(),
            this.defaultMQPushConsumer.isUnitMode());
        this.serviceState = ServiceState.START_FAILED;

        this.checkConfig();

        this.copySubscription();

        if (this.defaultMQPushConsumer.getMessageModel() == MessageModel.CLUSTERING) {
            this.defaultMQPushConsumer.changeInstanceNameToPID();
        }

        this.mQClientFactory = MQClientManager.getInstance()
            .getAndCreateMQClientInstance(this.defaultMQPushConsumer, this.rpcHook);

        this.rebalanceImpl.setConsumerGroup(this.defaultMQPushConsumer.getConsumerGroup());
        this.rebalanceImpl.setMessageModel(this.defaultMQPushConsumer.getMessageModel());
        this.rebalanceImpl.setAllocateMessageQueueStrategy(
            this.defaultMQPushConsumer.getAllocateMessageQueueStrategy());
        this.rebalanceImpl.setmQClientFactory(this.mQClientFactory);

        this.pullAPIWrapper = new PullAPIWrapper(//
            mQClientFactory, //
            this.defaultMQPushConsumer.getConsumerGroup(), isUnitMode());
        this.pullAPIWrapper.registerFilterMessageHook(filterMessageHookList);

        if (this.defaultMQPushConsumer.getOffsetStore() != null) {
            this.offsetStore = this.defaultMQPushConsumer.getOffsetStore();
        }
        else {
            switch (this.defaultMQPushConsumer.getMessageModel()) {
            case BROADCASTING:
                this.offsetStore = new LocalFileOffsetStore(this.mQClientFactory,
                    this.defaultMQPushConsumer.getConsumerGroup());
                break;
            case CLUSTERING:
                this.offsetStore = new RemoteBrokerOffsetStore(this.mQClientFactory,
                    this.defaultMQPushConsumer.getConsumerGroup());
                break;
            default:
                break;
            }
        }
        this.offsetStore.load();

        if (this.getMessageListenerInner() instanceof MessageListenerOrderly) {
            this.consumeOrderly = true;
            this.consumeMessageService = new ConsumeMessageOrderlyService(this,
                (MessageListenerOrderly) this.getMessageListenerInner());
        }
        else if (this.getMessageListenerInner() instanceof MessageListenerConcurrently) {
            this.consumeOrderly = false;
            this.consumeMessageService = new ConsumeMessageConcurrentlyService(this,
                (MessageListenerConcurrently) this.getMessageListenerInner());
        }

        this.consumeMessageService.start();

        boolean registerOK =
                mQClientFactory.registerConsumer(this.defaultMQPushConsumer.getConsumerGroup(), this);
        if (!registerOK) {
            this.serviceState = ServiceState.CREATE_JUST;
            this.consumeMessageService.shutdown();
            throw new MQClientException(
                "The consumer group[" + this.defaultMQPushConsumer.getConsumerGroup()
                        + "] has been created before, specify another name please."
                        + FAQUrl.suggestTodo(FAQUrl.GROUP_NAME_DUPLICATE_URL),
                null);
        }

        mQClientFactory.start();
        log.info("the consumer [{}] start OK.", this.defaultMQPushConsumer.getConsumerGroup());
        this.serviceState = ServiceState.RUNNING;
        break;
    case RUNNING:
    case START_FAILED:
    case SHUTDOWN_ALREADY:
        throw new MQClientException("The PushConsumer service state not OK, maybe started once, "//
                + this.serviceState//
                + FAQUrl.suggestTodo(FAQUrl.CLIENT_SERVICE_NOT_OK),
            null);
    default:
        break;
    }

    this.updateTopicSubscribeInfoWhenSubscriptionChanged();

    this.mQClientFactory.sendHeartbeatToAllBrokerWithLock();

    this.mQClientFactory.rebalanceImmediately();
}
Example 19
Source File: DefaultMQPullConsumerImpl.java    From reading-and-annotate-rocketmq-3.4.6 with GNU General Public License v3.0 4 votes vote down vote up 
public void start() throws MQClientException {
    switch (this.serviceState) {
        case CREATE_JUST:
            this.serviceState = ServiceState.START_FAILED;

            this.checkConfig();

            this.copySubscription();

            if (this.defaultMQPullConsumer.getMessageModel() == MessageModel.CLUSTERING) {
                this.defaultMQPullConsumer.changeInstanceNameToPID();
            }

            this.mQClientFactory =
                    MQClientManager.getInstance().getAndCreateMQClientInstance(this.defaultMQPullConsumer,
                            this.rpcHook);

            this.rebalanceImpl.setConsumerGroup(this.defaultMQPullConsumer.getConsumerGroup());
            this.rebalanceImpl.setMessageModel(this.defaultMQPullConsumer.getMessageModel());
            this.rebalanceImpl.setAllocateMessageQueueStrategy(this.defaultMQPullConsumer
                    .getAllocateMessageQueueStrategy());
            this.rebalanceImpl.setmQClientFactory(this.mQClientFactory);

            this.pullAPIWrapper = new PullAPIWrapper(//
                    mQClientFactory,//
                    this.defaultMQPullConsumer.getConsumerGroup(), isUnitMode());
            this.pullAPIWrapper.registerFilterMessageHook(filterMessageHookList);

            if (this.defaultMQPullConsumer.getOffsetStore() != null) {
                this.offsetStore = this.defaultMQPullConsumer.getOffsetStore();
            } else {
                switch (this.defaultMQPullConsumer.getMessageModel()) {
                    case BROADCASTING:
                        this.offsetStore =
                                new LocalFileOffsetStore(this.mQClientFactory,
                                        this.defaultMQPullConsumer.getConsumerGroup());
                        break;
                    case CLUSTERING:
                        this.offsetStore =
                                new RemoteBrokerOffsetStore(this.mQClientFactory,
                                        this.defaultMQPullConsumer.getConsumerGroup());
                        break;
                    default:
                        break;
                }
            }

            this.offsetStore.load();

            boolean registerOK =
                    mQClientFactory.registerConsumer(this.defaultMQPullConsumer.getConsumerGroup(), this);
            if (!registerOK) {
                this.serviceState = ServiceState.CREATE_JUST;

                throw new MQClientException("The consumer group["
                        + this.defaultMQPullConsumer.getConsumerGroup()
                        + "] has been created before, specify another name please."
                        + FAQUrl.suggestTodo(FAQUrl.GROUP_NAME_DUPLICATE_URL), null);
            }

            mQClientFactory.start();
            log.info("the consumer [{}] start OK", this.defaultMQPullConsumer.getConsumerGroup());
            this.serviceState = ServiceState.RUNNING;
            break;
        case RUNNING:
        case START_FAILED:
        case SHUTDOWN_ALREADY:
            throw new MQClientException("The PullConsumer service state not OK, maybe started once, "//
                    + this.serviceState//
                    + FAQUrl.suggestTodo(FAQUrl.CLIENT_SERVICE_NOT_OK), null);
        default:
            break;
    }
}
Example 20
Source File: DefaultMQPushConsumerImpl.java    From reading-and-annotate-rocketmq-3.4.6 with GNU General Public License v3.0 4 votes vote down vote up 
public void start() throws MQClientException {
    switch (this.serviceState) {
    case CREATE_JUST:
        log.info("the consumer [{}] start beginning. messageModel={}, isUnitMode={}",
            this.defaultMQPushConsumer.getConsumerGroup(), this.defaultMQPushConsumer.getMessageModel(),
            this.defaultMQPushConsumer.isUnitMode());
        this.serviceState = ServiceState.START_FAILED;

        this.checkConfig();
        this.copySubscription();  //DefaultMQPushConsumerImpl.start.copySubscription

        if (this.defaultMQPushConsumer.getMessageModel() == MessageModel.CLUSTERING) {
            this.defaultMQPushConsumer.changeInstanceNameToPID();
        }

        this.mQClientFactory =
                MQClientManager.getInstance().getAndCreateMQClientInstance(this.defaultMQPushConsumer,
                    this.rpcHook);

        this.rebalanceImpl.setConsumerGroup(this.defaultMQPushConsumer.getConsumerGroup());
        this.rebalanceImpl.setMessageModel(this.defaultMQPushConsumer.getMessageModel());
        this.rebalanceImpl.setAllocateMessageQueueStrategy(this.defaultMQPushConsumer
            .getAllocateMessageQueueStrategy());
        this.rebalanceImpl.setmQClientFactory(this.mQClientFactory);

        this.pullAPIWrapper = new PullAPIWrapper(//
            mQClientFactory,//
            this.defaultMQPushConsumer.getConsumerGroup(), isUnitMode());
        this.pullAPIWrapper.registerFilterMessageHook(filterMessageHookList);

        if (this.defaultMQPushConsumer.getOffsetStore() != null) {
            this.offsetStore = this.defaultMQPushConsumer.getOffsetStore();
        }
        else {
            switch (this.defaultMQPushConsumer.getMessageModel()) {
            case BROADCASTING: //广播消费模式， 位点默认存储在本地。
                this.offsetStore =
                        new LocalFileOffsetStore(this.mQClientFactory,
                            this.defaultMQPushConsumer.getConsumerGroup());
                break;
            case CLUSTERING: //集群消费模式， 位点默认存储在broker .位点从broker拉取到client以后会缓存在本地。
                this.offsetStore =
                        new RemoteBrokerOffsetStore(this.mQClientFactory,
                            this.defaultMQPushConsumer.getConsumerGroup());
                break;
            default:
                break;
            }
        }
        this.offsetStore.load(); /* RemoteBrokerOffsetStore->load 啥也沒干 */
        /* push consumer模式的new對象在consumer.registerMessageListener(new MessageListenerConcurrently() { */
        if (this.getMessageListenerInner() instanceof MessageListenerOrderly) {
            this.consumeOrderly = true;
            this.consumeMessageService =
                    new ConsumeMessageOrderlyService(this,
                        (MessageListenerOrderly) this.getMessageListenerInner());
        }
        else if (this.getMessageListenerInner() instanceof MessageListenerConcurrently) {
            this.consumeOrderly = false;
            /* new一个ConsumeMessageConcurrentlyService类 */
            this.consumeMessageService =
                    new ConsumeMessageConcurrentlyService(this,
                        (MessageListenerConcurrently) this.getMessageListenerInner());
        }

        this.consumeMessageService.start(); //ConsumeMessageConcurrentlyService->start为空，不执行任何操作

        boolean registerOK =
                mQClientFactory.registerConsumer(this.defaultMQPushConsumer.getConsumerGroup(), this);
        if (!registerOK) {
            this.serviceState = ServiceState.CREATE_JUST;
            this.consumeMessageService.shutdown();
            throw new MQClientException("The consumer group["
                    + this.defaultMQPushConsumer.getConsumerGroup()
                    + "] has been created before, specify another name please."
                    + FAQUrl.suggestTodo(FAQUrl.GROUP_NAME_DUPLICATE_URL), null);
        }

        //ProxyServer.doSubscribe->consumer.start->mQClientFactory.start
        mQClientFactory.start(); /* 真正的客戶端服務端通信在該接口 */
        log.info("the consumer [{}] start OK.", this.defaultMQPushConsumer.getConsumerGroup());
        this.serviceState = ServiceState.RUNNING;
        break;
    case RUNNING:
    case START_FAILED:
    case SHUTDOWN_ALREADY:
        throw new MQClientException("The PushConsumer service state not OK, maybe started once, "//
                + this.serviceState//
                + FAQUrl.suggestTodo(FAQUrl.CLIENT_SERVICE_NOT_OK), null);
    default:
        break;
    }

    //从NS获取每一个topic的路由信息，并更新pub  ,sub信息。
    this.updateTopicSubscribeInfoWhenSubscriptionChanged();
    //给broker 发送producer ,consumer的心跳信息。
    this.mQClientFactory.sendHeartbeatToAllBrokerWithLock();
    //因为有新的消费者加入，触发一次。
    this.mQClientFactory.rebalanceImmediately();
}