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Java PullCallback类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了Java中com.alibaba.rocketmq.client.consumer.PullCallback类的典型用法代码示例。如果您正苦于以下问题：Java PullCallback类的具体用法？Java PullCallback怎么用？Java PullCallback使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。



PullCallback类属于com.alibaba.rocketmq.client.consumer包，在下文中一共展示了PullCallback类的17个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Java代码示例。

示例1: pullMessage

import com.alibaba.rocketmq.client.consumer.PullCallback; //导入依赖的package包/类
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;
}
开发者ID:y123456yz，项目名称:reading-and-annotate-rocketmq-3.4.6，代码行数:26，代码来源:MQClientAPIImpl.java


示例2: pullMessage

import com.alibaba.rocketmq.client.consumer.PullCallback; //导入依赖的package包/类
/**
 * 从对应地址拉取消息
 *
 * @param addr              broker地址
 * @param requestHeader
 * @param timeoutMillis     客户端超时时间
 * @param communicationMode 通信模式：异步，同步，单向
 * @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 {
    RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.PULL_MESSAGE, requestHeader);

    switch (communicationMode) {
        case ONEWAY:
            assert false; //拉取消息不允许是单向的
            return null;
        case ASYNC:  //Push模式是异步拉取消息，同时需要传递一个callback
            this.pullMessageAsync(addr, request, timeoutMillis, pullCallback);
            return null;
        case SYNC:
            return this.pullMessageSync(addr, request, timeoutMillis);
        default:
            assert false;
            break;
    }

    return null;
}
开发者ID:medusar，项目名称:rocketmq-commet，代码行数:39，代码来源:MQClientAPIImpl.java


示例3: pullMessageAsync

import com.alibaba.rocketmq.client.consumer.PullCallback; //导入依赖的package包/类
private void pullMessageAsync(//
                              final String addr,// 1
                              final RemotingCommand request,//
                              final long timeoutMillis,//
                              final PullCallback pullCallback//
) throws RemotingException, InterruptedException {
    //this.remotingClient = new NettyRemotingClient()，这里实际执行 NettyRemotingClient.invokeAsync
    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;
                    //DefaultMQPushConsumerImpl.pullMessage(pullCallback.onSuccess)中的回调执行
                    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()));
                }
            }
        }
    });
}
开发者ID:y123456yz，项目名称:reading-and-annotate-rocketmq-3.4.6，代码行数:39，代码来源:MQClientAPIImpl.java


示例4: postProcess

import com.alibaba.rocketmq.client.consumer.PullCallback; //导入依赖的package包/类
@Override
public Object postProcess(Object res, PullCallback t, Object proxy, Method method, Object[] args) {

    if (method.getName().equals("onSuccess")) {
        doAsyncCap(1);
    }
    else if (method.getName().equals("onException")) {
        doAsyncCap(0);
    }

    return null;
}
开发者ID:uavorg，项目名称:uavstack，代码行数:13，代码来源:RocketmqIT.java


示例5: pullMessage

import com.alibaba.rocketmq.client.consumer.PullCallback; //导入依赖的package包/类
/**
 * 拉消息接口
 */
public PullResult pullMessage(//
        final String addr,//
        final PullMessageRequestHeader requestHeader,//
        final long timeoutMillis,//
        final CommunicationMode communicationMode,//
        final PullCallback pullCallback//
) throws RemotingException, MQBrokerException, InterruptedException {
    // 添加虚拟运行环境相关的projectGroupPrefix
    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;
}
开发者ID:diwayou，项目名称:rocketmq-all-trans，代码行数:38，代码来源:MQClientAPIImpl.java


示例6: pullMessageAsync

import com.alibaba.rocketmq.client.consumer.PullCallback; //导入依赖的package包/类
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()));
                }
            }
        }
    });
}
开发者ID:diwayou，项目名称:rocketmq-all-trans，代码行数:38，代码来源:MQClientAPIImpl.java


示例7: pullMessage

import com.alibaba.rocketmq.client.consumer.PullCallback; //导入依赖的package包/类
/**
 * 拉消息接口
 */
public PullResult pullMessage(//
        final String addr,//
        final PullMessageRequestHeader requestHeader,//
        final long timeoutMillis,//
        final CommunicationMode communicationMode,//
        final PullCallback pullCallback//
) throws RemotingException, MQBrokerException, InterruptedException {
    // 添加虚拟运行环境相关的projectGroupPrefix
    if (!UtilAll.isBlank(projectGroupPrefix)) {
        requestHeader.setConsumerGroup(VirtualEnvUtil.buildWithProjectGroup(
            requestHeader.getConsumerGroup(), projectGroupPrefix));
        requestHeader.setTopic(VirtualEnvUtil.buildWithProjectGroup(requestHeader.getTopic(),
            projectGroupPrefix));
    }

    RemotingCommand request =
            RemotingCommand.createRequestCommand(MQRequestCode.PULL_MESSAGE_VALUE, 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;
}
开发者ID:brucechan0921，项目名称:RocketMQ-3.0.8，代码行数:38，代码来源:MQClientAPIImpl.java


示例8: pull

import com.alibaba.rocketmq.client.consumer.PullCallback; //导入依赖的package包/类
public void pull(MessageQueue mq, String subExpression, long offset, int maxNums,
                 PullCallback pullCallback) throws MQClientException, RemotingException, InterruptedException {
    pull(mq, subExpression, offset, maxNums, pullCallback,
            this.defaultMQPullConsumer.getConsumerPullTimeoutMillis());
}
开发者ID:y123456yz，项目名称:reading-and-annotate-rocketmq-3.4.6，代码行数:6，代码来源:DefaultMQPullConsumerImpl.java


示例9: pullBlockIfNotFound

import com.alibaba.rocketmq.client.consumer.PullCallback; //导入依赖的package包/类
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());
}
开发者ID:y123456yz，项目名称:reading-and-annotate-rocketmq-3.4.6，代码行数:6，代码来源:DefaultMQPullConsumerImpl.java


示例10: pullKernelImpl

import com.alibaba.rocketmq.client.consumer.PullCallback; //导入依赖的package包/类
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) {
        //PullAPIWrapper.pullKernelImpl中调用updateTopicRouteInfoFromNameServer进行TopicRoute信息更新，最终保存在MQClientInstance.topicRouteTable
        this.mQClientFactory.updateTopicRouteInfoFromNameServer(mq.getTopic());
        findBrokerResult =
                this.mQClientFactory.findBrokerAddressInSubscribe(mq.getBrokerName(),
                    this.recalculatePullFromWhichNode(mq), false);
    }

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

        if (findBrokerResult.isSlave()) { //拉取broker选择了slave, 清理掉提交消费位点的系统标识位。
            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);
        }

        //开始从broker对应的brokerAddr拉取消息
        PullResult pullResult = this.mQClientFactory.getMQClientAPIImpl().pullMessage(//
                brokerAddr,//
                requestHeader,//
                timeoutMillis,//
                communicationMode,//同步从broker拉取消息还是异步拉取消息
                pullCallback);

        return pullResult;
    }

    throw new MQClientException("The broker[" + mq.getBrokerName() + "] not exist", null);
}
开发者ID:y123456yz，项目名称:reading-and-annotate-rocketmq-3.4.6，代码行数:62，代码来源:PullAPIWrapper.java


示例11: pullMessageAsync

import com.alibaba.rocketmq.client.consumer.PullCallback; //导入依赖的package包/类
/**
 * 异步拉取消息
 *
 * @param addr
 * @param request
 * @param timeoutMillis
 * @param pullCallback
 * @throws RemotingException
 * @throws InterruptedException
 */
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();
            /**
             * 如果responseFuture中包含Response内容
             */
            if (response != null) {
                try {
                    /**
                     * 解析Response成为PullRequest
                     */
                    PullResult pullResult = MQClientAPIImpl.this.processPullResponse(response);
                    assert pullResult != null;

                    /**
                     * 回调callback的onSuccess方法
                     */
                    pullCallback.onSuccess(pullResult);
                } catch (Exception e) {
                    /**
                     * 解析消息异常调用onException方法
                     */
                    pullCallback.onException(e);
                }
            } else {
                /**
                 * 如果ResponseFuture中不包含Response内容，则有可能是出异常了，需要遍历错误原因
                 */
                if (!responseFuture.isSendRequestOK()) {//请求发送失败
                    pullCallback.onException(new MQClientException("send request failed", responseFuture.getCause()));
                } else if (responseFuture.isTimeout()) { //读取响应超时
                    pullCallback.onException(new MQClientException("wait response timeout " + responseFuture.getTimeoutMillis() + "ms",
                            responseFuture.getCause()));
                } else {
                    pullCallback.onException(new MQClientException("unknow reseaon", responseFuture.getCause()));
                }
            }
        }
    });
}
开发者ID:medusar，项目名称:rocketmq-commet，代码行数:58，代码来源:MQClientAPIImpl.java


示例12: pull

import com.alibaba.rocketmq.client.consumer.PullCallback; //导入依赖的package包/类
public void pull(MessageQueue mq, String subExpression, long offset, int maxNums,
        PullCallback pullCallback) throws MQClientException, RemotingException, InterruptedException {
    this.pullAsyncImpl(mq, subExpression, offset, maxNums, pullCallback, false);
}
开发者ID:diwayou，项目名称:rocketmq-all-trans，代码行数:5，代码来源:DefaultMQPullConsumerImpl.java


示例13: pullBlockIfNotFound

import com.alibaba.rocketmq.client.consumer.PullCallback; //导入依赖的package包/类
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);
}
开发者ID:diwayou，项目名称:rocketmq-all-trans，代码行数:5，代码来源:DefaultMQPullConsumerImpl.java


示例14: pullKernelImpl

import com.alibaba.rocketmq.client.consumer.PullCallback; //导入依赖的package包/类
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) {
        // TODO 此处可能对Name Server压力过大，需要调优
        this.mQClientFactory.updateTopicRouteInfoFromNameServer(mq.getTopic());
        findBrokerResult =
                this.mQClientFactory.findBrokerAddressInSubscribe(mq.getBrokerName(),
                    this.recalculatePullFromWhichNode(mq), false);
    }

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

        // Slave不允许实时提交消费进度，可以定时提交
        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);
}
开发者ID:diwayou，项目名称:rocketmq-all-trans，代码行数:62，代码来源:PullAPIWrapper.java


示例15: pullKernelImpl

import com.alibaba.rocketmq.client.consumer.PullCallback; //导入依赖的package包/类
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) {
        // TODO 此处可能对Name Server压力过大，需要调优
        this.mQClientFactory.updateTopicRouteInfoFromNameServer(mq.getTopic());
        findBrokerResult =
                this.mQClientFactory.findBrokerAddressInSubscribe(mq.getBrokerName(),
                    this.recalculatePullFromWhichNode(mq), false);
    }

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

        // Slave不允许实时提交消费进度，可以定时提交
        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);

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

        return pullResult;
    }

    throw new MQClientException("The broker[" + mq.getBrokerName() + "] not exist", null);
}
开发者ID:brucechan0921，项目名称:RocketMQ-3.0.8，代码行数:57，代码来源:PullAPIWrapper.java


示例16: preProcess

import com.alibaba.rocketmq.client.consumer.PullCallback; //导入依赖的package包/类
@Override
public void preProcess(PullCallback t, Object proxy, Method method, Object[] args) {

}
开发者ID:uavorg，项目名称:uavstack，代码行数:5，代码来源:RocketmqIT.java


示例17: catchInvokeException

import com.alibaba.rocketmq.client.consumer.PullCallback; //导入依赖的package包/类
@Override
public void catchInvokeException(PullCallback t, Object proxy, Method method, Object[] args, Throwable e) {

    doAsyncCap(0);

}
开发者ID:uavorg，项目名称:uavstack，代码行数:7，代码来源:RocketmqIT.java



注：本文中的com.alibaba.rocketmq.client.consumer.PullCallback类示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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