How to use

getTopic

method

in

org.apache.rocketmq.common.protocol.header.QueryTopicConsumeByWhoRequestHeader

private RemotingCommand queryTopicConsumeByWho(ChannelHandlerContext ctx,
  RemotingCommand request) throws RemotingCommandException {
  final RemotingCommand response = RemotingCommand.createResponseCommand(null);
  QueryTopicConsumeByWhoRequestHeader requestHeader =
    (QueryTopicConsumeByWhoRequestHeader) request.decodeCommandCustomHeader(QueryTopicConsumeByWhoRequestHeader.class);
  HashSet<String> groups = this.brokerController.getConsumerManager().queryTopicConsumeByWho(requestHeader.getTopic());
  Set<String> groupInOffset = this.brokerController.getConsumerOffsetManager().whichGroupByTopic(requestHeader.getTopic());
  if (groupInOffset != null && !groupInOffset.isEmpty()) {
    groups.addAll(groupInOffset);
  }
  GroupList groupList = new GroupList();
  groupList.setGroupList(groups);
  byte[] body = groupList.encode();
  response.setBody(body);
  response.setCode(ResponseCode.SUCCESS);
  response.setRemark(null);
  return response;
}

private RemotingCommand queryTopicConsumeByWho(ChannelHandlerContext ctx,
  RemotingCommand request) throws RemotingCommandException {
  final RemotingCommand response = RemotingCommand.createResponseCommand(null);
  QueryTopicConsumeByWhoRequestHeader requestHeader =
    (QueryTopicConsumeByWhoRequestHeader) request.decodeCommandCustomHeader(QueryTopicConsumeByWhoRequestHeader.class);
  HashSet<String> groups = this.brokerController.getConsumerManager().queryTopicConsumeByWho(requestHeader.getTopic());
  Set<String> groupInOffset = this.brokerController.getConsumerOffsetManager().whichGroupByTopic(requestHeader.getTopic());
  if (groupInOffset != null && !groupInOffset.isEmpty()) {
    groups.addAll(groupInOffset);
  }
  GroupList groupList = new GroupList();
  groupList.setGroupList(groups);
  byte[] body = groupList.encode();
  response.setBody(body);
  response.setCode(ResponseCode.SUCCESS);
  response.setRemark(null);
  return response;
}

private RemotingCommand queryTopicConsumeByWho(ChannelHandlerContext ctx,
  RemotingCommand request) throws RemotingCommandException {
  final RemotingCommand response = RemotingCommand.createResponseCommand(null);
  QueryTopicConsumeByWhoRequestHeader requestHeader =
    (QueryTopicConsumeByWhoRequestHeader) request.decodeCommandCustomHeader(QueryTopicConsumeByWhoRequestHeader.class);
  HashSet<String> groups = this.brokerController.getConsumerManager().queryTopicConsumeByWho(requestHeader.getTopic());
  Set<String> groupInOffset = this.brokerController.getConsumerOffsetManager().whichGroupByTopic(requestHeader.getTopic());
  if (groupInOffset != null && !groupInOffset.isEmpty()) {
    groups.addAll(groupInOffset);
  }
  GroupList groupList = new GroupList();
  groupList.setGroupList(groups);
  byte[] body = groupList.encode();
  response.setBody(body);
  response.setCode(ResponseCode.SUCCESS);
  response.setRemark(null);
  return response;
}