fessConfig.getIndexFieldAnchor(), fessConfig.getIndexFieldSegment(), fessConfig.getIndexFieldExpires(),
                                fessConfig.getIndexFieldClickCount(), fessConfig.getIndexFieldFavoriteCount() });
                if (document == null) {
                    storeChildUrlsToQueue(urlQueue, getChildUrlSet(searchEngineClient, id));
                    return true;
                }

            }

            @Override
            public String getIndexFieldClickCount() {
                return "click_count";
            }

            @Override
            public String getIndexFieldFavoriteCount() {
                return "favorite_count";
            }

            @Override
            public String getIndexFieldConfigId() {
                return "config_id";
            }

            return "boost";
        }

        @Override
        public String getIndexFieldClickCount() {
            return "click_count";
        }

        @Override
        public String getIndexFieldFavoriteCount() {
            return "favorite_count";
        }

        @Override
        public boolean getIndexerThreadDumpEnabledAsBoolean() {
            return false;
        }

            final SearchLogHelper searchLogHelper = ComponentUtil.getSearchLogHelper();
            final long count = searchLogHelper.getFavoriteCount(url);
            map.put(fessConfig.getIndexFieldFavoriteCount(), count);
            if (logger.isDebugEnabled()) {
                logger.debug("Favorite Count: {}, url: {}", count, url);
            }
        }
    }

    /**

     * comment: Field name for favorite count in the index.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getIndexFieldFavoriteCount();

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