SuggestItem[] items = getPopularWordsItemSet2();
        suggester.indexer().index(items);
        suggester.refresh();

        PopularWordsResponse response = suggester.popularWords().setSize(2).execute().getResponse();

        assertEquals(5, response.getTotal());

        for (int i = 0; i < 5; i++) {
            assertEquals(2, response.getNum());
            boolean find = false;

     */
    public void setIndex(final String index) {
        this.index = index;
    }

    /**
     * Sets the size of results.
     * @param size The size.
     */
    public void setSize(final int size) {
        this.size = size;
    }

    /**
     * Sets the seed for random function.
     * @param seed The seed.
     */
    public void setSeed(final String seed) {

                            .setIndices(indexName)
                            .setScroll(settings.getScrollTimeout())
                            .setQuery(queryBuilder)
                            .setSize(scrollSize);
                    for (final SortBuilder<?> sortBuilder : sortList) {
                        builder.addSort(sortBuilder);
                    }

        urlQueueService.insert(urlQueue);
        assertTrue(fesenClient.prepareSearch("fess_crawler.queue")
                .setQuery(QueryBuilders.termQuery("sessionId", "sessionId"))
                .setSize(0)
                .execute()
                .actionGet()
                .getHits()
                .getTotalHits()
                .value() > 0);

        urlQueueService.delete("sessionId");

            from = cb.getPageStartIndex();
            size = cb.getFetchSize();
        } else {
            from = 0;
            size = 10;
        }
        builder.setFrom(from);
        builder.setSize(size);
        final EsAbstractConditionBean esCb = (EsAbstractConditionBean) cb;
        if (esCb.getPreference() != null) {
            builder.setPreference(esCb.getPreference());
        }

            from = cb.getPageStartIndex();
            size = cb.getFetchSize();
        } else {
            from = 0;
            size = 10;
        }
        builder.setFrom(from);
        builder.setSize(size);
        final EsAbstractConditionBean esCb = (EsAbstractConditionBean) cb;
        if (esCb.getPreference() != null) {
            builder.setPreference(esCb.getPreference());
        }

            from = cb.getPageStartIndex();
            size = cb.getFetchSize();
        } else {
            from = 0;
            size = 10;
        }
        builder.setFrom(from);
        builder.setSize(size);
        final EsAbstractConditionBean esCb = (EsAbstractConditionBean) cb;
        if (esCb.getPreference() != null) {
            builder.setPreference(esCb.getPreference());
        }

                final PopularWordsRequestBuilder popularWordsRequestBuilder = suggestHelper.suggester()
                        .popularWords()
                        .setSize(fessConfig.getSuggestPopularWordSizeAsInteger())
                        .setWindowSize(fessConfig.getSuggestPopularWordWindowSizeAsInteger())

            searchEngineClient.scrollSearch(fessConfig.getIndexDocumentUpdateIndex(), requestBuilder -> {
                requestBuilder.setQuery(queryBuilder).setSize((int) numFound);
                if (fields != null) {
                    requestBuilder.setFetchSource(fields, null);
                }
                return true;
            }, entity -> {

        }
        final SearchResponse response = client.prepareSearch(index)
                .setQuery(QueryBuilders.termQuery(fessConfig.getIndexFieldUrl(), url))
                .setFetchSource(false)
                .setSize(fessConfig.getPageScoreBoosterMaxFetchSizeAsInteger())
                .execute()
                .actionGet(requestTimeout);