client.delete(request, listener);
    }

    @Override
    public DeleteRequestBuilder prepareDelete() {
        return client.prepareDelete();
    }

    @Override
    public DeleteRequestBuilder prepareDelete(final String index, final String id) {
        return client.prepareDelete(index, id);
    }

    @Override
    public ActionFuture<BulkResponse> bulk(final BulkRequest request) {

        client.delete(request, listener);
    }

    @Override
    public DeleteRequestBuilder prepareDelete() {
        return client.prepareDelete();
    }

    @Override
    public DeleteRequestBuilder prepareDelete(final String index, final String id) {
        return client.prepareDelete(index, id);
    }

    @Override
    public ActionFuture<BulkResponse> bulk(final BulkRequest request) {

    }

    protected void deleteFromArray(final String index, final String type, final String id) {
        final String actualIndex = index + "." + type.toLowerCase(Locale.ENGLISH);
        try {
            client.prepareDelete().setIndex(actualIndex).setId(id).execute().actionGet(settings.getIndexTimeout());
            client.admin().indices().prepareRefresh().setIndices(actualIndex).execute().actionGet(settings.getIndicesTimeout());

    protected boolean delete(final String sessionId, final String url) {
        final String id = getId(sessionId, url);
        try {
            final DeleteResponse response =
                    getClient().get(c -> c.prepareDelete().setIndex(index).setId(id).setRefreshPolicy(RefreshPolicy.IMMEDIATE).execute());
            return response.getResult() == Result.DELETED;
        } catch (final Exception e) {

    public HtmlResponse clearCrawlerIndex(final ActionForm form) {
        validate(form, messages -> {}, this::asIndexHtml);
        verifyToken(this::asIndexHtml);
        searchEngineClient.admin().indices().prepareDelete(//
                fessConfig.getIndexDocumentCrawlerIndex() + ".queue", //
                fessConfig.getIndexDocumentCrawlerIndex() + ".data", //
                fessConfig.getIndexDocumentCrawlerIndex() + ".filter")

                            final BulkRequestBuilder bulkBuilder = c.prepareBulk();
                            for (final OpenSearchUrlQueue uq : urlQueueList) {
                                bulkBuilder.add(c.prepareDelete().setIndex(index).setId(uq.getId()));
                            }

                            return bulkBuilder.setRefreshPolicy(RefreshPolicy.IMMEDIATE).execute();
                        });

            return list.isEmpty();
        }).forEach(s -> {
            if (logger.isInfoEnabled()) {
                logger.info("Delete index: {}", s);
            }
            client.admin().indices().prepareDelete(s).execute().actionGet(suggestSettings.getIndicesTimeout());
        });
    }

    public SuggestIndexer indexer() {
        return createDefaultIndexer();
    }

                .actionGet(this.settings.getIndicesTimeout());
    }

    protected void deleteAnalyzerSettings() {
        client.admin().indices().prepareDelete(analyzerSettingsIndexName).execute().actionGet(settings.getIndicesTimeout());
    }

    protected void createAnalyzerSettings(final String settings, final String mappings) {