public CreateIndexRequest getCreateIndexRequest(String tokenizer, String topicId) {
        RuleInfo ruleInfo = new RuleInfo();
        FullTextInfo fullTextInfo = new FullTextInfo();
        fullTextInfo.setTokenizer(tokenizer);
        ruleInfo.setFullText(fullTextInfo);

        CreateIndexRequest req = new CreateIndexRequest();
        req.setTopicId(topicId);
        req.setRule(ruleInfo);
        return req;
    }
Get cls topic index full text
inlong-manager/manager-service/src/main/java/org/apache/inlong/manager/service/resource/sink/cls/ClsOperator.java