if (url == null) {
            return StringUtil.EMPTY_STRINGS;
        }
        final SearchResponse response = client.prepareSearch(index)
                .setQuery(QueryBuilders.termQuery(fessConfig.getIndexFieldUrl(), url))
                .setFetchSource(false)
                .setSize(fessConfig.getPageScoreBoosterMaxFetchSizeAsInteger())
                .execute()
                .actionGet(requestTimeout);

        map.put(fessConfig.getIndexFieldBoost(), documentBoost);
        if (logger.isDebugEnabled()) {
            logger.debug("Document boost applied: boost={}, url={}", documentBoost, map.get(fessConfig.getIndexFieldUrl()));
        }
    }

    /**
     * Adds a click count field to the document based on search log data.
     * The click count represents how many times users have clicked on this document in search results.

                    if (logger.isDebugEnabled()) {
                        logger.debug("Removing {}={} from doc[{}]", thumbnailField, doc.get(thumbnailField),
                                doc.get(fessConfig.getIndexFieldUrl()));
                    }
                    doc.remove(thumbnailField);
                }
            });
        }

            title = DocumentUtil.getValue(document, fessConfig.getIndexFieldFilename(), String.class);
            if (StringUtil.isBlank(title)) {
                title = DocumentUtil.getValue(document, fessConfig.getIndexFieldUrl(), String.class);
            }
        }
        final int size = fessConfig.getResponseMaxTitleLengthAsInteger();
        if (size > -1) {
            title = StringUtils.abbreviate(title, size);
        }

        if (queryString != null) {
            if (queryString.startsWith(ALLINURL_FIELD_PREFIX)) {
                defaultField = ComponentUtil.getFessConfig().getIndexFieldUrl();
                this.queryString = queryString.substring(ALLINURL_FIELD_PREFIX.length());
            } else if (queryString.startsWith(ALLINTITLE_FIELD_PREFIX)) {

     */
    public String generateId(final Map<String, Object> dataMap) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String url = (String) dataMap.get(fessConfig.getIndexFieldUrl());
        final StringBuilder buf = new StringBuilder(1000);

        @SuppressWarnings("unchecked")
        final List<String> roleTypeList = (List<String>) dataMap.get(fessConfig.getIndexFieldRole());

     */
    default void putResultDataBody(final Map<String, Object> dataMap, final String key, final Object value) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        if (fessConfig.getIndexFieldUrl().equals(key) || !dataMap.containsKey(key) || !getFessConfig().isCrawlerDocumentAppendData()) {
            dataMap.put(key, value);
        } else {
            final Object oldValue = dataMap.get(key);

            parentUrl = pathMappingHelper.replaceUrl(sessionId, parentUrl);
            putResultDataBody(dataMap, fessConfig.getIndexFieldUrl(), parentUrl);
            putResultDataBody(dataMap, fessConfig.getIndexFieldParentId(), crawlingInfoHelper.generateId(dataMap));
            putResultDataBody(dataMap, fessConfig.getIndexFieldUrl(), url); // set again
        }
        // thumbnail

     * The value is, e.g. url <br>
     * comment: Field name for URL in the index.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getIndexFieldUrl();

    /**
     * Get the value for the key 'index.field.doc_id'. <br>
     * The value is, e.g. doc_id <br>
     * comment: Field name for document ID in the index.