}

        @Override
        public String getIndexDocumentUpdateIndex() {
            return "fess.update";
        }

        @Override
        public String getIndexFieldDocId() {
            return "doc_id";
        }

        @Override
        public String getIndexFieldId() {
            return "_id";
        }

        @Override

                    .seed(ComponentUtil.getSystemHelper().getCurrentTimeAsLong())
                    .setField(fessConfig.getIndexFieldDocId())));
            reader.setQuery(QueryBuilders
                    .functionScoreQuery(QueryBuilders.matchAllQuery(),

            final List<String> docIdList = new ArrayList<>();
            for (final Map<String, Object> map : documentItems) {
                final Object docId = map.get(fessConfig.getIndexFieldDocId());
                if (docId != null && docId.toString().length() > 0) {
                    docIdList.add(docId.toString());
                }
            }

            if (!docIdList.isEmpty()) {

            }

            @Override
            public String getIndexFieldId() {
                return "id";
            }

            @Override
            public String getIndexFieldDocId() {
                return "doc_id";
            }

            @Override
            public String getIndexFieldBoost() {
                return "boost";
            }

            @Override

                return false;
            }

            public String getIndexFieldUrl() {
                return "url";
            }

            public String getIndexFieldDocId() {
                return "doc_id";
            }
        });

        // http
        assertUrlLink("http://www.codelibs.org/", //
                "http://www.codelibs.org/");

        }

        @Override
        public boolean getIndexerFavoriteCountEnabledAsBoolean() {
            return true;
        }

        @Override
        public String getIndexFieldDocId() {
            return "doc_id";
        }

        @Override
        public String getIndexFieldUrl() {
            return "url";
        }

        @Override

        String url = DocumentUtil.getValue(document, fessConfig.getIndexFieldUrl(), String.class);

        if (StringUtil.isBlank(url)) {
            return "#not-found-" + DocumentUtil.getValue(document, fessConfig.getIndexFieldDocId(), String.class);
        }

        final boolean isSmbUrl = url.startsWith("smb:") || url.startsWith("smb1:");
        final boolean isFtpUrl = url.startsWith("ftp:");

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

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