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

The following examples show how to use com.alibaba.rocketmq.client.consumer.PullStatus. 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 reading-and-annotate-rocketmq-3.4.6 with GNU General Public License v3.0

6 votes

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

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

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

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

Example #2

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

6 votes

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

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

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

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

Example #3

Source File: MQClientAPIImpl.java From RocketMQ-Master-analyze with Apache License 2.0

5 votes

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

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

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

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

Example #4

Source File: PullResultExt.java From reading-and-annotate-rocketmq-3.4.6 with GNU General Public License v3.0

4 votes

public PullResultExt(PullStatus pullStatus, long nextBeginOffset, long minOffset, long maxOffset,
        List<MessageExt> msgFoundList, final long suggestWhichBrokerId, final byte[] messageBinary) {
    super(pullStatus, nextBeginOffset, minOffset, maxOffset, msgFoundList);
    this.suggestWhichBrokerId = suggestWhichBrokerId;
    this.messageBinary = messageBinary;
}

Example #5

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

4 votes

public PullResultExt(PullStatus pullStatus, long nextBeginOffset, long minOffset, long maxOffset,
                     List<MessageExt> msgFoundList, final long suggestWhichBrokerId, final byte[] messageBinary) {
    super(pullStatus, nextBeginOffset, minOffset, maxOffset, msgFoundList);
    this.suggestWhichBrokerId = suggestWhichBrokerId;
    this.messageBinary = messageBinary;
}

Example #6

Source File: PullResultExt.java From RocketMQ-Master-analyze with Apache License 2.0

4 votes

public PullResultExt(PullStatus pullStatus, long nextBeginOffset, long minOffset, long maxOffset,
        List<MessageExt> msgFoundList, final long suggestWhichBrokerId, final byte[] messageBinary) {
    super(pullStatus, nextBeginOffset, minOffset, maxOffset, msgFoundList);
    this.suggestWhichBrokerId = suggestWhichBrokerId;
    this.messageBinary = messageBinary;
}

Example #7

Source File: MetaSimpleClient.java From jstorm with Apache License 2.0

4 votes

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