public String getSourceTopicName(String groupId, String streamId) {
        String topic = null;
        if (StringUtils.isNotEmpty(groupId) && !id2TopicSrcMap.isEmpty()) {
            IdTopicConfig idTopicConfig = id2TopicSrcMap.get(InlongId.generateUid(groupId, streamId));
            if (idTopicConfig == null) {
                idTopicConfig = id2TopicSrcMap.get(groupId);
            }
            if (idTopicConfig != null) {
                topic = idTopicConfig.getTopicName();
            }
        }
        return topic;
    }
get topic by groupId and streamId
inlong-dataproxy/dataproxy-source/src/main/java/org/apache/inlong/dataproxy/config/holder/MetaConfigHolder.java