How to use

GetMaxOffsetRequestHeader

in

org.apache.rocketmq.common.protocol.header

public long getMaxOffset(final String addr, final String topic, final int queueId, final long timeoutMillis)
  throws RemotingException, MQBrokerException, InterruptedException {
  GetMaxOffsetRequestHeader requestHeader = new GetMaxOffsetRequestHeader();
  requestHeader.setTopic(topic);
  requestHeader.setQueueId(queueId);
  RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_MAX_OFFSET, requestHeader);
  RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
    request, timeoutMillis);
  assert response != null;
  switch (response.getCode()) {
    case ResponseCode.SUCCESS: {
      GetMaxOffsetResponseHeader responseHeader =
        (GetMaxOffsetResponseHeader) response.decodeCommandCustomHeader(GetMaxOffsetResponseHeader.class);
      return responseHeader.getOffset();
    }
    default:
      break;
  }
  throw new MQBrokerException(response.getCode(), response.getRemark());
}

private RemotingCommand getMaxOffset(ChannelHandlerContext ctx,
  RemotingCommand request) throws RemotingCommandException {
  final RemotingCommand response = RemotingCommand.createResponseCommand(GetMaxOffsetResponseHeader.class);
  final GetMaxOffsetResponseHeader responseHeader = (GetMaxOffsetResponseHeader) response.readCustomHeader();
  final GetMaxOffsetRequestHeader requestHeader =
    (GetMaxOffsetRequestHeader) request.decodeCommandCustomHeader(GetMaxOffsetRequestHeader.class);
  long offset = this.brokerController.getMessageStore().getMaxOffsetInQueue(requestHeader.getTopic(), requestHeader.getQueueId());
  responseHeader.setOffset(offset);
  response.setCode(ResponseCode.SUCCESS);
  response.setRemark(null);
  return response;
}

public long getMaxOffset(final String addr, final String topic, final int queueId, final long timeoutMillis)
  throws RemotingException, MQBrokerException, InterruptedException {
  GetMaxOffsetRequestHeader requestHeader = new GetMaxOffsetRequestHeader();
  requestHeader.setTopic(topic);
  requestHeader.setQueueId(queueId);
  RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_MAX_OFFSET, requestHeader);
  RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
    request, timeoutMillis);
  assert response != null;
  switch (response.getCode()) {
    case ResponseCode.SUCCESS: {
      GetMaxOffsetResponseHeader responseHeader =
        (GetMaxOffsetResponseHeader) response.decodeCommandCustomHeader(GetMaxOffsetResponseHeader.class);
      return responseHeader.getOffset();
    }
    default:
      break;
  }
  throw new MQBrokerException(response.getCode(), response.getRemark());
}

private RemotingCommand getMaxOffset(ChannelHandlerContext ctx,
  RemotingCommand request) throws RemotingCommandException {
  final RemotingCommand response = RemotingCommand.createResponseCommand(GetMaxOffsetResponseHeader.class);
  final GetMaxOffsetResponseHeader responseHeader = (GetMaxOffsetResponseHeader) response.readCustomHeader();
  final GetMaxOffsetRequestHeader requestHeader =
    (GetMaxOffsetRequestHeader) request.decodeCommandCustomHeader(GetMaxOffsetRequestHeader.class);
  long offset = this.brokerController.getMessageStore().getMaxOffsetInQueue(requestHeader.getTopic(), requestHeader.getQueueId());
  responseHeader.setOffset(offset);
  response.setCode(ResponseCode.SUCCESS);
  response.setRemark(null);
  return response;
}

public long getMaxOffset(final String addr, final String topic, final int queueId, final long timeoutMillis)
  throws RemotingException, MQBrokerException, InterruptedException {
  GetMaxOffsetRequestHeader requestHeader = new GetMaxOffsetRequestHeader();
  requestHeader.setTopic(topic);
  requestHeader.setQueueId(queueId);
  RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_MAX_OFFSET, requestHeader);
  RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
    request, timeoutMillis);
  assert response != null;
  switch (response.getCode()) {
    case ResponseCode.SUCCESS: {
      GetMaxOffsetResponseHeader responseHeader =
        (GetMaxOffsetResponseHeader) response.decodeCommandCustomHeader(GetMaxOffsetResponseHeader.class);
      return responseHeader.getOffset();
    }
    default:
      break;
  }
  throw new MQBrokerException(response.getCode(), response.getRemark());
}

private RemotingCommand getMaxOffset(ChannelHandlerContext ctx,
  RemotingCommand request) throws RemotingCommandException {
  final RemotingCommand response = RemotingCommand.createResponseCommand(GetMaxOffsetResponseHeader.class);
  final GetMaxOffsetResponseHeader responseHeader = (GetMaxOffsetResponseHeader) response.readCustomHeader();
  final GetMaxOffsetRequestHeader requestHeader =
    (GetMaxOffsetRequestHeader) request.decodeCommandCustomHeader(GetMaxOffsetRequestHeader.class);
  long offset = this.brokerController.getMessageStore().getMaxOffsetInQueue(requestHeader.getTopic(), requestHeader.getQueueId());
  responseHeader.setOffset(offset);
  response.setCode(ResponseCode.SUCCESS);
  response.setRemark(null);
  return response;
}