if ("dismax".equals(fessConfig.getQueryDefaultQueryType())) {
            final DisMaxQueryBuilder disMaxQuery = QueryBuilders.disMaxQuery();
            disMaxQuery.tieBreaker(fessConfig.getQueryDismaxTieBreakerAsDecimal().floatValue());
            return new DefaultQueryBuilder(disMaxQuery);
        }

        final BoolQueryBuilder boolQuery = QueryBuilders.boolQuery();