Java Code Examples for com.alibaba.rocketmq.client.consumer.PullStatus#NO_NEW_MSG

The following examples show how to use com.alibaba.rocketmq.client.consumer.PullStatus#NO_NEW_MSG . 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 vote down vote up 
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 vote down vote up 
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 vote down vote up 
/**
 * 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: MetaSimpleClient.java    From jstorm with Apache License 2.0 4 votes vote down vote up 
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;
}