@Override
    public Tuple3<ManageStatus, String, Map<String, String>> getBrokerMetaConfigInfo(int brokerId) {
        String brokerConfInfo = null;
        ManageStatus manageStatus = ManageStatus.STATUS_MANAGE_UNDEFINED;
        StringBuilder sBuffer = new StringBuilder(512);
        BrokerConfEntity brokerConfEntity =
                metaDataService.getBrokerConfByBrokerId(brokerId);
        if (brokerConfEntity != null) {
            brokerConfEntity.getBrokerDefaultConfInfo(
                    metaDataService.getClusterDefSetting(false), sBuffer);
            brokerConfInfo = sBuffer.toString();
            sBuffer.delete(0, sBuffer.length());
            manageStatus = brokerConfEntity.getManageStatus();
        }
        Map<String, String> brokerTopicSetConfInfo =
                this.metaDataService.getBrokerTopicStrConfigInfo(brokerConfEntity, sBuffer);
        return new Tuple3<>(manageStatus, brokerConfInfo, brokerTopicSetConfInfo);
    }
Constructor by TMaster

@param tMaster  the initial TMaster object
inlong-tubemq/tubemq-server/src/main/java/org/apache/inlong/tubemq/server/master/nodemanage/nodebroker/DefBrokerRunManager.java