}

    protected long getTotal() {
        final SearchResponse response = client.prepareSearch().setIndices(indexName).setQuery(queryBuilder).setSize(0)
                .setTrackTotalHits(true).execute().actionGet(settings.getSearchTimeout());
        return response.getHits().getTotalHits().value;
    }

    }

    private long getNum(final QueryBuilder queryBuilder) {
        final SearchResponse searchResponse = client.prepareSearch().setIndices(getSearchAlias(index)).setSize(0).setQuery(queryBuilder)
                .setTrackTotalHits(true).execute().actionGet(suggestSettings.getSearchTimeout());
        return searchResponse.getHits().getTotalHits().value;
    }

    private String getSearchAlias(final String index) {
        return index;

            final FessConfig fessConfig) {
        final SearchResponse countResponse = searchEngineClient.prepareSearch(fessConfig.getIndexDocumentUpdateIndex())
                .setQuery(queryBuilder).setSize(0).setTrackTotalHits(true).execute().actionGet(fessConfig.getIndexSearchTimeout());
        final TotalHits totalHits = countResponse.getHits().getTotalHits();
        if (totalHits != null) {
            return totalHits.value;
        }

    public int getCount(final Consumer<SearchRequestBuilder> callback) {
        final TotalHits totalHits = getClient().get(c -> {
            final SearchRequestBuilder builder = c.prepareSearch(index).setSize(0).setTrackTotalHits(true);
            callback.accept(builder);
            return builder.execute();
        }).getHits().getTotalHits();
        return totalHits != null ? (int) totalHits.value : 0;
    }

            if (StringUtil.isNotBlank(trackTotalHits)) {
                if (Constants.TRUE.equalsIgnoreCase(trackTotalHits) || Constants.FALSE.equalsIgnoreCase(trackTotalHits)) {
                    searchRequestBuilder.setTrackTotalHits(Boolean.parseBoolean(trackTotalHits));
                    return;
                }
                try {
                    searchRequestBuilder.setTrackTotalHitsUpTo(Integer.parseInt(trackTotalHits));