final String query = ComponentUtil.getQueryStringBuilder().params(params).sortField(params.getSort()).build();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        return ComponentUtil.getSearchEngineClient().<Map<String, Object>> scrollSearch(fessConfig.getIndexDocumentSearchIndex(),
                searchRequestBuilder -> {
                    final QueryHelper queryHelper = ComponentUtil.getQueryHelper();

    protected Function<Map<String, Object>, String[]> idFinder = params -> {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final SearchEngineClient client = ComponentUtil.getSearchEngineClient();
        final String index = fessConfig.getIndexDocumentUpdateIndex();
        final Object url = params.get("url");
        if (url == null) {
            return StringUtil.EMPTY_STRINGS;
        }

        contentFieldList = Arrays.asList(stream(fessConfig.getSuggestFieldContents()).get(stream -> stream.toArray(n -> new String[n])));

        final SearchEngineClient searchEngineClient = ComponentUtil.getSearchEngineClient();
        searchEngineClient.admin().cluster().prepareHealth().setWaitForYellowStatus().execute()
                .actionGet(fessConfig.getIndexHealthTimeout());

        return keyMatchQueryMap.size();
    }

    protected List<Map<String, Object>> getDocumentList(final KeyMatch keyMatch) {
        final SearchEngineClient searchEngineClient = ComponentUtil.getSearchEngineClient();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        return searchEngineClient.getDocumentList(fessConfig.getIndexDocumentSearchIndex(),

        // TODO bulk
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        try {
            ComponentUtil.getIndexingHelper().updateDocument(ComponentUtil.getSearchEngineClient(), thumbnailId,
                    fessConfig.getIndexFieldThumbnail(), value);
        } catch (final Exception e) {
            logger.warn("Failed to update thumbnail field at {}", thumbnailId, e);
        }

    }

    public static long scroll(final String index, final Function<SearchHit, Boolean> callback) {
        final SearchEngineClient client = ComponentUtil.getSearchEngineClient();
        return client.<SearchHit> scrollSearch(index, searchRequestBuilder -> true, (searchResponse, hit) -> hit,
                hit -> callback.apply(hit));
    }

        final long startTime = systemHelper.getCurrentTimeAsLong();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final SearchEngineClient searchEngineClient = ComponentUtil.getSearchEngineClient();

        if (logger.isDebugEnabled()) {
            logger.debug("Adding {}", dataMap);
        }

        //   required check
        final Object urlObj = dataMap.get(fessConfig.getIndexFieldUrl());

public class PingSearchEngineJob {

    private static final Logger logger = LogManager.getLogger(PingSearchEngineJob.class);

    public String execute() {
        final SearchEngineClient searchEngineClient = ComponentUtil.getSearchEngineClient();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();

        final StringBuilder resultBuf = new StringBuilder();

    protected QueryBuilder queryBuilder = null;

    public String execute() {
        final SearchEngineClient searchEngineClient = ComponentUtil.getSearchEngineClient();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final LabelTypeHelper labelTypeHelper = ComponentUtil.getLabelTypeHelper();

            return totalHits.value;
        }
        return 0;
    }

    public long deleteBySessionId(final String sessionId) {
        final SearchEngineClient searchEngineClient = ComponentUtil.getSearchEngineClient();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String index = fessConfig.getIndexDocumentUpdateIndex();
        return deleteBySessionId(searchEngineClient, index, sessionId);