* 根据ConsumerGroup获取Consumer连接列表以及订阅关系
*/
public GroupList queryTopicConsumeByWho(final String addr, final String topic, final long timeoutMillis)
throws RemotingConnectException, RemotingSendRequestException, RemotingTimeoutException,
InterruptedException, MQBrokerException {
QueryTopicConsumeByWhoRequestHeader requestHeader = new QueryTopicConsumeByWhoRequestHeader();
requestHeader.setTopic(topic);
RemotingCommand request =
RemotingCommand.createRequestCommand(RequestCode.QUERY_TOPIC_CONSUME_BY_WHO, requestHeader);
RemotingCommand response = this.remotingClient.invokeSync(addr, request, timeoutMillis);