final float boost, final String field, final String text) {
        context.addFieldLog(field, text);
        context.addHighlightedQuery(text);
        return buildMatchPhraseQuery(field, text).boost(boost);
    }

    protected QueryBuilder convertKeywordQuery(final FessConfig fessConfig, final QueryContext context, final TermQuery termQuery,

            boolQuery.minimumShouldMatch(minimumShouldMatch);
        }
        return new DefaultQueryBuilder(boolQuery);
    }

    protected QueryBuilder buildMatchPhraseQuery(final String f, final String text) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        if (text == null || text.length() != 1