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Java MessageExt.getProperty方法代码示例

本文整理汇总了Java中com.alibaba.rocketmq.common.message.MessageExt.getProperty方法的典型用法代码示例。如果您正苦于以下问题:Java MessageExt.getProperty方法的具体用法?Java MessageExt.getProperty怎么用?Java MessageExt.getProperty使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在com.alibaba.rocketmq.common.message.MessageExt的用法示例。


在下文中一共展示了MessageExt.getProperty方法的5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,您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: resetRetryTopic

import com.alibaba.rocketmq.common.message.MessageExt; //导入方法依赖的package包/类
public void resetRetryTopic(final List<MessageExt> msgs) {
    final String groupTopic = MixAll.getRetryTopic(consumerGroup);
    for (MessageExt msg : msgs) {
        String retryTopic = msg.getProperty(MessageConst.PROPERTY_RETRY_TOPIC);
        if (retryTopic != null && groupTopic.equals(msg.getTopic())) {
            msg.setTopic(retryTopic);
        }
    }
}
 
开发者ID:y123456yz,项目名称:reading-and-annotate-rocketmq-3.4.6,代码行数:10,代码来源:ConsumeMessageConcurrentlyService.java

示例2: checkTransactionState

import com.alibaba.rocketmq.common.message.MessageExt; //导入方法依赖的package包/类
public RemotingCommand checkTransactionState(ChannelHandlerContext ctx, RemotingCommand request) throws RemotingCommandException {
    final CheckTransactionStateRequestHeader requestHeader =
            (CheckTransactionStateRequestHeader) request.decodeCommandCustomHeader(CheckTransactionStateRequestHeader.class);
    final ByteBuffer byteBuffer = ByteBuffer.wrap(request.getBody());
    final MessageExt messageExt = MessageDecoder.decode(byteBuffer);
    if (messageExt != null) {
        final String group = messageExt.getProperty(MessageConst.PROPERTY_PRODUCER_GROUP);
        if (group != null) {
            MQProducerInner producer = this.mqClientFactory.selectProducer(group);
            if (producer != null) {
                final String addr = RemotingHelper.parseChannelRemoteAddr(ctx.channel());
                producer.checkTransactionState(addr, messageExt, requestHeader);
            }
            else {
                log.debug("checkTransactionState, pick producer by group[{}] failed", group);
            }
        }
        else {
            log.warn("checkTransactionState, pick producer group failed");
        }
    }
    else {
        log.warn("checkTransactionState, decode message failed");
    }

    return null;
}
 
开发者ID:y123456yz,项目名称:reading-and-annotate-rocketmq-3.4.6,代码行数:28,代码来源:ClientRemotingProcessor.java

示例3: match

import com.alibaba.rocketmq.common.message.MessageExt; //导入方法依赖的package包/类
@Override
public boolean match(MessageExt msg) {
    String property = msg.getProperty("SequenceId");
    if (property != null) {
        int id = Integer.parseInt(property);
        if (((id % 10) == 0) && //
                (id > 100)) {
            return true;
        }
    }

    return false;
}
 
开发者ID:y123456yz,项目名称:reading-and-annotate-rocketmq-3.4.6,代码行数:14,代码来源:MessageFilterImpl.java

示例4: putMessage

import com.alibaba.rocketmq.common.message.MessageExt; //导入方法依赖的package包/类
public boolean putMessage(final List<MessageExt> msgs) {
    boolean dispatchToConsume = false;
    try {
        this.lockTreeMap.writeLock().lockInterruptibly();
        try {
            int validMsgCnt = 0;
            for (MessageExt msg : msgs) {
                //把拉取到的消息存入msgTreeMap中
                MessageExt old = msgTreeMap.put(msg.getQueueOffset(), msg);
                if (null == old) {
                    validMsgCnt++;
                    /* 更新队列queueoffset */
                    this.queueOffsetMax = msg.getQueueOffset();
                }
            }
            //msg数增加validMsgCnt
            msgCount.addAndGet(validMsgCnt);

            if (!msgTreeMap.isEmpty() && !this.consuming) {
                dispatchToConsume = true;
                this.consuming = true;
            }

            if (!msgs.isEmpty()) {
                MessageExt messageExt = msgs.get(msgs.size() - 1); //获取最后一条消息
                String property = messageExt.getProperty(MessageConst.PROPERTY_MAX_OFFSET);
                if (property != null) {
                    //在消息属性PROPERTY_MAX_OFFSET中记录了队列的最大位点, 和当前拉取到的最后一条消息
                    //的位点做差值,就是broker这个队列还堆积了多少消息未消费。。  messageExt.getQueueOffset()表示从队列中取到的最后一条消息
                    //该getQueueOffset对应的就是从队列中拉取到的最后一条消息的offset,也就是该消费分组消费到队列中的那条offset最大的消息
                    long accTotal = Long.parseLong(property) - messageExt.getQueueOffset();
                    if (accTotal > 0) {
                        this.msgAccCnt = accTotal;
                    }
                }
            }
        }
        finally {
            this.lockTreeMap.writeLock().unlock();
        }
    }
    catch (InterruptedException e) {
        log.error("putMessage exception", e);
    }

    return dispatchToConsume;
}
 
开发者ID:y123456yz,项目名称:reading-and-annotate-rocketmq-3.4.6,代码行数:48,代码来源:ProcessQueue.java

示例5: putMessage

import com.alibaba.rocketmq.common.message.MessageExt; //导入方法依赖的package包/类
/**
 * 放入消息到ProcessQueue
 *
 * @param msgs
 * @return
 */
public boolean putMessage(final List<MessageExt> msgs) {
    boolean dispatchToConsume = false;
    try {
        this.lockTreeMap.writeLock().lockInterruptibly();
        try {
            /**
             * 把消息放入treemap,根据offset值去除重复消息,统计有效消息数量,更新Offset
             *
             * 消息以Offset为Key放入了treemap,则默认会按照offset的升序排序
             *
             */
            int validMsgCnt = 0;
            for (MessageExt msg : msgs) {
                MessageExt old = msgTreeMap.put(msg.getQueueOffset(), msg);
                if (null == old) {
                    validMsgCnt++;
                    this.queueOffsetMax = msg.getQueueOffset();
                }
            }
            msgCount.addAndGet(validMsgCnt);

            if (!msgTreeMap.isEmpty() && !this.consuming) {
                dispatchToConsume = true;
                this.consuming = true;
            }

            if (!msgs.isEmpty()) {
                //获取最后一条消息的MaxOffSet
                MessageExt messageExt = msgs.get(msgs.size() - 1);
                String property = messageExt.getProperty(MessageConst.PROPERTY_MAX_OFFSET);
                if (property != null) {
                    /**
                     * commitlog offset
                     * 减去
                     * 消息对应MessageQueue的Offset
                     *
                     */
                    long accTotal = Long.parseLong(property) - messageExt.getQueueOffset();
                    if (accTotal > 0) {
                        this.msgAccCnt = accTotal;
                    }
                }
            }
        } finally {
            this.lockTreeMap.writeLock().unlock();
        }
    } catch (InterruptedException e) {
        log.error("putMessage exception", e);
    }

    return dispatchToConsume;
}
 
开发者ID:medusar,项目名称:rocketmq-commet,代码行数:59,代码来源:ProcessQueue.java


注:本文中的com.alibaba.rocketmq.common.message.MessageExt.getProperty方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,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。