org.apache.rocketmq.client.consumer.PullCallback Java Examples

The following examples show how to use org.apache.rocketmq.client.consumer.PullCallback. 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: MQClientAPIImpl.java From rocketmq-all-4.1.0-incubating with Apache License 2.0

6 votes

public PullResult pullMessage(//
    final String addr, //
    final PullMessageRequestHeader requestHeader, //
    final long timeoutMillis, //
    final CommunicationMode communicationMode, //
    final PullCallback pullCallback//
) throws RemotingException, MQBrokerException, InterruptedException {
	//发送PULL_MESSAGE类型的请求
    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;
}

Example #2

Source File: PullAPIWrapper.java From DDMQ with Apache License 2.0

6 votes

public PullResult pullKernelImpl(
    final MessageQueue mq,
    final String subExpression,
    final long subVersion,
    final long offset,
    final int maxNums,
    final int sysFlag,
    final long commitOffset,
    final long brokerSuspendMaxTimeMillis,
    final long timeoutMillis,
    final CommunicationMode communicationMode,
    final PullCallback pullCallback
) throws MQClientException, RemotingException, MQBrokerException, InterruptedException {
    return pullKernelImpl(mq, subExpression, subVersion, offset, maxNums, sysFlag, commitOffset, brokerSuspendMaxTimeMillis,
        timeoutMillis, communicationMode, pullCallback, false);
}

Example #3

Source File: MQClientAPIImpl.java From rocketmq_trans_message with Apache License 2.0

6 votes

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;
}

Example #4

Source File: MQClientAPIImpl.java From DDMQ with Apache License 2.0

6 votes

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;
}

Example #5

Source File: PullAPIWrapper.java From DDMQ with Apache License 2.0

6 votes

public PullResult pullKernelImpl(
    final MessageQueue mq,
    final String subExpression,
    final String expressionType,
    final long subVersion,
    final long offset,
    final int maxNums,
    final int sysFlag,
    final long commitOffset,
    final long brokerSuspendMaxTimeMillis,
    final long timeoutMillis,
    final CommunicationMode communicationMode,
    final PullCallback pullCallback
) throws MQClientException, RemotingException, MQBrokerException, InterruptedException {
    return pullKernelImpl(mq, subExpression, expressionType, subVersion, offset, maxNums, sysFlag, commitOffset, brokerSuspendMaxTimeMillis,
        timeoutMillis, communicationMode, pullCallback, false);
}

Example #6

Source File: MQClientAPIImpl.java From DDMQ with Apache License 2.0

6 votes

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;
}

Example #7

Source File: MQClientAPIImpl.java From rocketmq with Apache License 2.0

6 votes

/**
 * 拉取消息
 *
 * @param addr              broker地址
 * @param requestHeader     请求头
 * @param timeoutMillis     请求超时
 * @param communicationMode 通讯方式
 * @param pullCallback      回调
 * @return 消息。只有通讯模式为同步时，才返回结果，否则返回null。
 * @throws RemotingException 当远程调用发生异常时
 * @throws MQBrokerException 当 broker 发生异常时。只有通讯模式为同步时才会发生该异常。
 * @throws InterruptedException 当发生中断异常时
 */
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;
}

Example #8

Source File: PullAPIWrapper.java From DDMQ with Apache License 2.0

6 votes

public PullResult pullKernelImpl(
    final MessageQueue mq,
    final String subExpression,
    final long subVersion,
    final long offset,
    final int maxNums,
    final int sysFlag,
    final long commitOffset,
    final long brokerSuspendMaxTimeMillis,
    final long timeoutMillis,
    final CommunicationMode communicationMode,
    final PullCallback pullCallback
) throws MQClientException, RemotingException, MQBrokerException, InterruptedException {
    return pullKernelImpl(mq, subExpression, subVersion, offset, maxNums, sysFlag, commitOffset, brokerSuspendMaxTimeMillis,
        timeoutMillis, communicationMode, pullCallback, false);
}

Example #9

Source File: MQClientAPIImpl.java From rocketmq with Apache License 2.0

6 votes

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;
}

Example #10

Source File: PullAPIWrapper.java From DDMQ with Apache License 2.0

6 votes

public PullResult pullKernelImpl(
    final MessageQueue mq,
    final String subExpression,
    final String expressionType,
    final long subVersion,
    final long offset,
    final int maxNums,
    final int sysFlag,
    final long commitOffset,
    final long brokerSuspendMaxTimeMillis,
    final long timeoutMillis,
    final CommunicationMode communicationMode,
    final PullCallback pullCallback
) throws MQClientException, RemotingException, MQBrokerException, InterruptedException {
    return pullKernelImpl(mq, subExpression, expressionType, subVersion, offset, maxNums, sysFlag, commitOffset, brokerSuspendMaxTimeMillis,
        timeoutMillis, communicationMode, pullCallback, false);
}

Example #11

Source File: MQClientAPIImpl.java From rocketmq-all-4.1.0-incubating with Apache License 2.0

5 votes

private void pullMessageAsync(//
    final String addr, // 1
    final RemotingCommand request, //
    final long timeoutMillis, //
    final PullCallback pullCallback//
) throws RemotingException, InterruptedException {
    this.remotingClient.invokeAsync(addr, request, timeoutMillis, new InvokeCallback() {
        @Override
        public void operationComplete(ResponseFuture responseFuture) {
            RemotingCommand response = responseFuture.getResponseCommand();
            if (response != null) {
                try {
                    PullResult pullResult = MQClientAPIImpl.this.processPullResponse(response);
                    assert pullResult != null;
                    pullCallback.onSuccess(pullResult);
                } catch (Exception e) {
                    pullCallback.onException(e);
                }
            } else {
                if (!responseFuture.isSendRequestOK()) {
                    pullCallback.onException(new MQClientException("send request failed to " + addr + ". Request: " + request, responseFuture.getCause()));
                } else if (responseFuture.isTimeout()) {
                    pullCallback.onException(new MQClientException("wait response from " + addr + " timeout :" + responseFuture.getTimeoutMillis() + "ms" + ". Request: " + request,
                        responseFuture.getCause()));
                } else {
                    pullCallback.onException(new MQClientException("unknown reason. addr: " + addr + ", timeoutMillis: " + timeoutMillis + ". Request: " + request, responseFuture.getCause()));
                }
            }
        }
    });
}

Example #12

Source File: PullAPIWrapper.java From rocketmq-all-4.1.0-incubating with Apache License 2.0

5 votes

public PullResult pullKernelImpl(
    final MessageQueue mq,
    final String subExpression,
    final long subVersion,
    final long offset,
    final int maxNums,
    final int sysFlag,
    final long commitOffset,
    final long brokerSuspendMaxTimeMillis,
    final long timeoutMillis,
    final CommunicationMode communicationMode,
    final PullCallback pullCallback
) throws MQClientException, RemotingException, MQBrokerException, InterruptedException {
    return pullKernelImpl(
        mq,
        subExpression,
        ExpressionType.TAG,
        subVersion, offset,
        maxNums,
        sysFlag,
        commitOffset,
        brokerSuspendMaxTimeMillis,
        timeoutMillis,
        communicationMode,
        pullCallback
    );
}

Example #13

Source File: MQClientAPIImpl.java From rocketmq-read with Apache License 2.0

5 votes

/**
 * 异步调用pullMessage，成功了执行pullcallback
 * @param addr 地址
 * @param request 请求
 * @param timeoutMillis 超时时间
 * @param pullCallback pullCallback
 * @throws RemotingException ;
 * @throws InterruptedException ;
 */
private void pullMessageAsync(
    final String addr,
    final RemotingCommand request,
    final long timeoutMillis,
    final PullCallback pullCallback
) throws RemotingException, InterruptedException {
    this.remotingClient.invokeAsync(addr, request, timeoutMillis, new InvokeCallback() {
        @Override
        public void operationComplete(ResponseFuture responseFuture) {
            RemotingCommand response = responseFuture.getResponseCommand();
            if (response != null) {
                try {
                    PullResult pullResult = MQClientAPIImpl.this.processPullResponse(response);
                    assert pullResult != null;
                    pullCallback.onSuccess(pullResult);
                } catch (Exception e) {
                    pullCallback.onException(e);
                }
            } else {
                if (!responseFuture.isSendRequestOK()) {
                    pullCallback.onException(new MQClientException("send request failed to " + addr + ". Request: " + request, responseFuture.getCause()));
                } else if (responseFuture.isTimeout()) {
                    pullCallback.onException(new MQClientException("wait response from " + addr + " timeout :" + responseFuture.getTimeoutMillis() + "ms" + ". Request: " + request,
                        responseFuture.getCause()));
                } else {
                    pullCallback.onException(new MQClientException("unknown reason. addr: " + addr + ", timeoutMillis: " + timeoutMillis + ". Request: " + request, responseFuture.getCause()));
                }
            }
        }
    });
}

Example #14

Source File: MQClientAPIImpl.java From rocketmq-read with Apache License 2.0

5 votes

/**
 * 执行远程调用，拉取消息
 * @param addr addr
 * @param requestHeader requestHeader
 * @param timeoutMillis 超时时间
 * @param communicationMode 模式
 * @param pullCallback pulllcallback
 * @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 {

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

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

    return null;
}

Example #15

Source File: PullAPIWrapper.java From rocketmq-read with Apache License 2.0

5 votes

/**
 * 拉取消息
 * @param mq mq
 * @param subExpression tag
 * @param subVersion version
 * @param offset 偏移量
 * @param maxNums 最大量
 * @param sysFlag 系统flag
 * @param commitOffset commitoffset
 * @param brokerSuspendMaxTimeMillis broker挂起的最大时间
 * @param timeoutMillis 超时时间
 * @param communicationMode 模式
 * @param pullCallback 异步callback
 * @return ;
 * @throws MQClientException ;
 * @throws RemotingException ;
 * @throws MQBrokerException ;
 * @throws InterruptedException ;
 */
public PullResult pullKernelImpl(
    final MessageQueue mq,
    final String subExpression,
    final long subVersion,
    final long offset,
    final int maxNums,
    final int sysFlag,
    final long commitOffset,
    final long brokerSuspendMaxTimeMillis,
    final long timeoutMillis,
    final CommunicationMode communicationMode,
    final PullCallback pullCallback
) throws MQClientException, RemotingException, MQBrokerException, InterruptedException {
    return pullKernelImpl(
        mq,
        subExpression,
        ExpressionType.TAG,
        subVersion,
            offset,
        maxNums,
        sysFlag,
        commitOffset,
        brokerSuspendMaxTimeMillis,
        timeoutMillis,
        communicationMode,
        pullCallback
    );
}

Example #16

Source File: MQClientAPIImpl.java From rocketmq with Apache License 2.0

5 votes

/**
 * 异步拉取消息
 *
 * @param addr          broker地址
 * @param request       请求
 * @param timeoutMillis 请求超时
 * @param pullCallback  回调
 * @throws RemotingException 当远程调用发生异常时
 * @throws InterruptedException 当发生中断异常时
 */
private void pullMessageAsync(//
                              final String addr, // 1
                              final RemotingCommand request, //
                              final long timeoutMillis, //
                              final PullCallback pullCallback//
) throws RemotingException, InterruptedException {
    this.remotingClient.invokeAsync(addr, request, timeoutMillis, new InvokeCallback() {
        @Override
        public void operationComplete(ResponseFuture responseFuture) {
            RemotingCommand response = responseFuture.getResponseCommand();
            if (response != null) {
                try {
                    PullResult pullResult = MQClientAPIImpl.this.processPullResponse(response);
                    assert pullResult != null;
                    pullCallback.onSuccess(pullResult);
                } catch (Exception e) {
                    pullCallback.onException(e);
                }
            } else {
                if (!responseFuture.isSendRequestOK()) {
                    pullCallback.onException(new MQClientException("send request failed", responseFuture.getCause()));
                } else if (responseFuture.isTimeout()) {
                    pullCallback.onException(new MQClientException("wait response timeout " + responseFuture.getTimeoutMillis() + "ms",
                        responseFuture.getCause()));
                } else {
                    pullCallback.onException(new MQClientException("unknow reseaon", responseFuture.getCause()));
                }
            }
        }
    });
}

Example #17

Source File: MQClientAPIImpl.java From rocketmq_trans_message with Apache License 2.0

5 votes

private void pullMessageAsync(//
    final String addr, // 1
    final RemotingCommand request, //
    final long timeoutMillis, //
    final PullCallback pullCallback//
) throws RemotingException, InterruptedException {
    this.remotingClient.invokeAsync(addr, request, timeoutMillis, new InvokeCallback() {
        @Override
        public void operationComplete(ResponseFuture responseFuture) {
            RemotingCommand response = responseFuture.getResponseCommand();
            if (response != null) {
                try {
                    PullResult pullResult = MQClientAPIImpl.this.processPullResponse(response);
                    assert pullResult != null;
                    pullCallback.onSuccess(pullResult);
                } catch (Exception e) {
                    pullCallback.onException(e);
                }
            } else {
                if (!responseFuture.isSendRequestOK()) {
                    pullCallback.onException(new MQClientException("send request failed", responseFuture.getCause()));
                } else if (responseFuture.isTimeout()) {
                    pullCallback.onException(new MQClientException("wait response timeout " + responseFuture.getTimeoutMillis() + "ms",
                        responseFuture.getCause()));
                } else {
                    pullCallback.onException(new MQClientException("unknow reseaon", responseFuture.getCause()));
                }
            }
        }
    });
}

Example #18

Source File: MQClientAPIImpl.java From rocketmq-4.3.0 with Apache License 2.0

5 votes

private void pullMessageAsync(
        final String addr,
        final RemotingCommand request,
        final long timeoutMillis,
        final PullCallback pullCallback
    ) throws RemotingException, InterruptedException {
//        异步拉取消息=》
        this.remotingClient.invokeAsync(addr, request, timeoutMillis, new InvokeCallback() {
            @Override
            public void operationComplete(ResponseFuture responseFuture) {
                RemotingCommand response = responseFuture.getResponseCommand();
                if (response != null) {
                    try {
//                        处理拉取响应=》
                        PullResult pullResult = MQClientAPIImpl.this.processPullResponse(response);
                        assert pullResult != null;
                        pullCallback.onSuccess(pullResult);
                    } catch (Exception e) {
                        pullCallback.onException(e);
                    }
                } else {
                    if (!responseFuture.isSendRequestOK()) {
                        pullCallback.onException(new MQClientException("send request failed to " + addr + ". Request: " + request, responseFuture.getCause()));
                    } else if (responseFuture.isTimeout()) {
                        pullCallback.onException(new MQClientException("wait response from " + addr + " timeout :" + responseFuture.getTimeoutMillis() + "ms" + ". Request: " + request,
                            responseFuture.getCause()));
                    } else {
                        pullCallback.onException(new MQClientException("unknown reason. addr: " + addr + ", timeoutMillis: " + timeoutMillis + ". Request: " + request, responseFuture.getCause()));
                    }
                }
            }
        });
    }

Example #19

Source File: PullAPIWrapper.java From DDMQ with Apache License 2.0

5 votes

public PullResult pullKernelImpl(
    final MessageQueue mq,
    final String subExpression,
    final long subVersion,
    final long offset,
    final int maxNums,
    final int sysFlag,
    final long commitOffset,
    final long brokerSuspendMaxTimeMillis,
    final long timeoutMillis,
    final CommunicationMode communicationMode,
    final PullCallback pullCallback,
    final boolean isSlaveFirst
) throws MQClientException, RemotingException, MQBrokerException, InterruptedException {
    return pullKernelImpl(
        mq,
        subExpression,
        ExpressionType.TAG,
        subVersion, offset,
        maxNums,
        sysFlag,
        commitOffset,
        brokerSuspendMaxTimeMillis,
        timeoutMillis,
        communicationMode,
        pullCallback,
        isSlaveFirst
    );
}

Example #20

Source File: MQClientAPIImpl.java From rocketmq-4.3.0 with Apache License 2.0

5 votes

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;
    }

Example #21

Source File: PullAPIWrapper.java From rocketmq-4.3.0 with Apache License 2.0

5 votes

public PullResult pullKernelImpl(
        final MessageQueue mq,
        final String subExpression,
        final long subVersion,
        final long offset,
        final int maxNums,
        final int sysFlag,
        final long commitOffset,
        final long brokerSuspendMaxTimeMillis,
        final long timeoutMillis,
        final CommunicationMode communicationMode,
        final PullCallback pullCallback
    ) throws MQClientException, RemotingException, MQBrokerException, InterruptedException {
//        =》
        return pullKernelImpl(
            mq,
            subExpression,
            ExpressionType.TAG,
            subVersion, offset,
            maxNums,
            sysFlag,
            commitOffset,
            brokerSuspendMaxTimeMillis,
            timeoutMillis,
            communicationMode,
            pullCallback
        );
    }

Example #22

Source File: DefaultMQPullConsumerImpl.java From rocketmq with Apache License 2.0

5 votes

public void pull(MessageQueue mq, MessageSelector messageSelector, long offset, int maxNums,
    PullCallback pullCallback,
    long timeout)
    throws MQClientException, RemotingException, InterruptedException {
    SubscriptionData subscriptionData = getSubscriptionData(mq, messageSelector);
    this.pullAsyncImpl(mq, subscriptionData, offset, maxNums, pullCallback, false, timeout);
}

Example #23

Source File: DefaultMQPullConsumerImpl.java From rocketmq with Apache License 2.0

5 votes

public void pullBlockIfNotFound(MessageQueue mq, String subExpression, long offset, int maxNums,
    PullCallback pullCallback)
    throws MQClientException, RemotingException, InterruptedException {
    SubscriptionData subscriptionData = getSubscriptionData(mq, subExpression);
    this.pullAsyncImpl(mq, subscriptionData, offset, maxNums, pullCallback, true,
        this.getDefaultMQPullConsumer().getConsumerPullTimeoutMillis());
}

Example #24

Source File: MQClientAPIImpl.java From DDMQ with Apache License 2.0

5 votes

private void pullMessageAsync(
    final String addr,
    final RemotingCommand request,
    final long timeoutMillis,
    final PullCallback pullCallback
) throws RemotingException, InterruptedException {
    this.remotingClient.invokeAsync(addr, request, timeoutMillis, new InvokeCallback() {
        @Override
        public void operationComplete(ResponseFuture responseFuture) {
            RemotingCommand response = responseFuture.getResponseCommand();
            if (response != null) {
                try {
                    PullResult pullResult = MQClientAPIImpl.this.processPullResponse(response);
                    assert pullResult != null;
                    pullCallback.onSuccess(pullResult);
                } catch (Exception e) {
                    pullCallback.onException(e);
                }
            } else {
                if (!responseFuture.isSendRequestOK()) {
                    pullCallback.onException(new MQClientException("send request failed to " + addr + ". Request: " + request, responseFuture.getCause()));
                } else if (responseFuture.isTimeout()) {
                    pullCallback.onException(new MQClientException("wait response from " + addr + " timeout :" + responseFuture.getTimeoutMillis() + "ms" + ". Request: " + request,
                        responseFuture.getCause()));
                } else {
                    pullCallback.onException(new MQClientException("unknown reason. addr: " + addr + ", timeoutMillis: " + timeoutMillis + ". Request: " + request, responseFuture.getCause()));
                }
            }
        }
    });
}

Example #25

Source File: MQClientAPIImpl.java From DDMQ with Apache License 2.0

5 votes

private void pullMessageAsync(
    final String addr,
    final RemotingCommand request,
    final long timeoutMillis,
    final PullCallback pullCallback
) throws RemotingException, InterruptedException {
    this.remotingClient.invokeAsync(addr, request, timeoutMillis, new InvokeCallback() {
        @Override
        public void operationComplete(ResponseFuture responseFuture) {
            RemotingCommand response = responseFuture.getResponseCommand();
            if (response != null) {
                try {
                    PullResult pullResult = MQClientAPIImpl.this.processPullResponse(response);
                    assert pullResult != null;
                    pullCallback.onSuccess(pullResult);
                } catch (Exception e) {
                    pullCallback.onException(e);
                }
            } else {
                if (!responseFuture.isSendRequestOK()) {
                    pullCallback.onException(new MQClientException("send request failed to " + addr + ". Request: " + request, responseFuture.getCause()));
                } else if (responseFuture.isTimeout()) {
                    pullCallback.onException(new MQClientException("wait response from " + addr + " timeout :" + responseFuture.getTimeoutMillis() + "ms" + ". Request: " + request,
                        responseFuture.getCause()));
                } else {
                    pullCallback.onException(new MQClientException("unknown reason. addr: " + addr + ", timeoutMillis: " + timeoutMillis + ". Request: " + request, responseFuture.getCause()));
                }
            }
        }
    });
}

Example #26

Source File: PullAPIWrapper.java From DDMQ with Apache License 2.0

5 votes

public PullResult pullKernelImpl(
    final MessageQueue mq,
    final String subExpression,
    final long subVersion,
    final long offset,
    final int maxNums,
    final int sysFlag,
    final long commitOffset,
    final long brokerSuspendMaxTimeMillis,
    final long timeoutMillis,
    final CommunicationMode communicationMode,
    final PullCallback pullCallback,
    final boolean isSlaveFirst
) throws MQClientException, RemotingException, MQBrokerException, InterruptedException {
    return pullKernelImpl(
        mq,
        subExpression,
        ExpressionType.TAG,
        subVersion, offset,
        maxNums,
        sysFlag,
        commitOffset,
        brokerSuspendMaxTimeMillis,
        timeoutMillis,
        communicationMode,
        pullCallback,
        isSlaveFirst
    );
}

Example #27

Source File: MQClientAPIImpl.java From rocketmq with Apache License 2.0

5 votes

private void pullMessageAsync(
    final String addr,
    final RemotingCommand request,
    final long timeoutMillis,
    final PullCallback pullCallback
) throws RemotingException, InterruptedException {
    this.remotingClient.invokeAsync(addr, request, timeoutMillis, new InvokeCallback() {
        @Override
        public void operationComplete(ResponseFuture responseFuture) {
            RemotingCommand response = responseFuture.getResponseCommand();
            if (response != null) {
                try {
                    PullResult pullResult = MQClientAPIImpl.this.processPullResponse(response);
                    assert pullResult != null;
                    pullCallback.onSuccess(pullResult);
                } catch (Exception e) {
                    pullCallback.onException(e);
                }
            } else {
                if (!responseFuture.isSendRequestOK()) {
                    pullCallback.onException(new MQClientException("send request failed to " + addr + ". Request: " + request, responseFuture.getCause()));
                } else if (responseFuture.isTimeout()) {
                    pullCallback.onException(new MQClientException("wait response from " + addr + " timeout :" + responseFuture.getTimeoutMillis() + "ms" + ". Request: " + request,
                        responseFuture.getCause()));
                } else {
                    pullCallback.onException(new MQClientException("unknown reason. addr: " + addr + ", timeoutMillis: " + timeoutMillis + ". Request: " + request, responseFuture.getCause()));
                }
            }
        }
    });
}

Example #28

Source File: PullAPIWrapper.java From rocketmq_trans_message with Apache License 2.0

4 votes

public PullResult pullKernelImpl(
    final MessageQueue mq,
    final String subExpression,
    final long subVersion,
    final long offset,
    final int maxNums,
    final int sysFlag,
    final long commitOffset,
    final long brokerSuspendMaxTimeMillis,
    final long timeoutMillis,
    final CommunicationMode communicationMode,
    final PullCallback pullCallback
) 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);
}

Example #29

Source File: DefaultMQPullConsumerImpl.java From rocketmq-all-4.1.0-incubating with Apache License 2.0

4 votes

public void pullBlockIfNotFound(MessageQueue mq, String subExpression, long offset, int maxNums,
    PullCallback pullCallback)
    throws MQClientException, RemotingException, InterruptedException {
    this.pullAsyncImpl(mq, subExpression, offset, maxNums, pullCallback, true,
        this.getDefaultMQPullConsumer().getConsumerPullTimeoutMillis());
}

Example #30

Source File: PullAPIWrapper.java From rocketmq-all-4.1.0-incubating with Apache License 2.0

4 votes

public PullResult pullKernelImpl(
    final MessageQueue mq,
    final String subExpression,
    final String expressionType,
    final long subVersion,
    final long offset,
    final int maxNums,
    final int sysFlag,
    final long commitOffset,
    final long brokerSuspendMaxTimeMillis,
    final long timeoutMillis,
    final CommunicationMode communicationMode,
    final PullCallback pullCallback
) 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) {
        {
            // check version
            if (!ExpressionType.isTagType(expressionType)
                && findBrokerResult.getBrokerVersion() < MQVersion.Version.V4_1_0_SNAPSHOT.ordinal()) {
                throw new MQClientException("The broker[" + mq.getBrokerName() + ", "
                    + findBrokerResult.getBrokerVersion() + "] does not upgrade to support for filter message by " + expressionType, null);
            }
        }
        int sysFlagInner = sysFlag;

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

        //构建PullMessageRequestHeader头信息
        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);
        requestHeader.setExpressionType(expressionType);

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

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

        return pullResult;
    }

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