new String[] { fessConfig.getIndexFieldId(), fessConfig.getIndexFieldDocId() });
            for (final Map<String, Object> doc : docs) {
                final Object oldIdValue = doc.get(fessConfig.getIndexFieldId());
                if (oldIdValue != null && !idValue.equals(oldIdValue)) {

        SearchResponse response = client.prepareSearch(index).setScroll(scrollForDelete).setSize(sizeForDelete)
                .setFetchSource(new String[] { fessConfig.getIndexFieldId() }, null).setQuery(queryBuilder)
                .setPreference(Constants.SEARCH_PREFERENCE_LOCAL).execute().actionGet(fessConfig.getIndexScrollSearchTimeout());

        int count = 0;

                        if (Float.isFinite(score)) {
                            docMap.put(Constants.SCORE, score);
                        }
                    }

                    docMap.put(fessConfig.getIndexFieldId(), hit.getId());
                    docMap.put(fessConfig.getIndexFieldVersion(), hit.getVersion());
                    docMap.put(fessConfig.getIndexFieldSeqNo(), hit.getSeqNo());

            putResultDataBody(dataMap, fessConfig.getIndexFieldLang(), fessConfig.getCrawlerDocumentFileDefaultLang());
        }
        // id
        putResultDataBody(dataMap, fessConfig.getIndexFieldId(), crawlingInfoHelper.generateId(dataMap));
        // parentId
        String parentUrl = responseData.getParentUrl();
        if (StringUtil.isNotBlank(parentUrl)) {

        final String scoreField = fessConfig.getRankFusionScoreField();
        final Map<String, Map<String, Object>> scoreDocMap = new HashMap<>();
        final String idField = fessConfig.getIndexFieldId();
        final Set<Object> mainIdSet = new HashSet<>();
        for (int i = 0; i < results.length; i++) {
            final List<Map<String, Object>> docList = results[i].getDocumentList();

                        }

                        final String id = DocumentUtil.getValue(doc, fessConfig.getIndexFieldId(), String.class);
                        searchHelper.update(id, builder -> {
                            final Script script = ComponentUtil.getLanguageHelper().createScript(doc,

                stream(crawlingConfig.getVirtualHosts()).get(stream -> stream.filter(StringUtil::isNotBlank).collect(Collectors.toList())));
        // id
        putResultDataBody(dataMap, fessConfig.getIndexFieldId(), crawlingInfoHelper.generateId(dataMap));
        // parentId
        String parentUrl = responseData.getParentUrl();
        if (StringUtil.isNotBlank(parentUrl)) {

     * Get the value for the key 'index.field.id'. <br>
     * The value is, e.g. _id <br>
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getIndexFieldId();

    /**
     * Get the value for the key 'index.field.version'. <br>
     * The value is, e.g. _version <br>