return !Strings.isNullOrEmpty(query) && !query.contains(" ") && !query.contains("　");
    }

    protected QueryBuilder buildQuery(final String q, final List<String> fields) {
        try {
            final QueryBuilder queryBuilder;
            if (Strings.isNullOrEmpty(q)) {
                queryBuilder = QueryBuilders.matchAllQuery();
            } else {
                final boolean prefixQuery = !q.endsWith(" ") && !q.endsWith("　");

        final SuggestDeleteResponse deleteResponse =
                deleteByQuery(QueryBuilders.boolQuery().must(QueryBuilders.rangeQuery(FieldNames.QUERY_FREQ).gte(1))
                        .mustNot(QueryBuilders.matchPhraseQuery(FieldNames.KINDS, SuggestItem.Kind.DOCUMENT.toString()))
                        .mustNot(QueryBuilders.matchPhraseQuery(FieldNames.KINDS, SuggestItem.Kind.USER.toString())));

        final BoolQueryBuilder boolQueryBuilder = QueryBuilders.boolQuery();
        boolQueryBuilder
                .must(QueryBuilders.rangeQuery(FieldNames.TIMESTAMP).lt(time.atZone(ZoneId.systemDefault()).toInstant().toEpochMilli()));

        boolQueryBuilder.must(QueryBuilders.termQuery(FieldNames.KINDS, SuggestItem.Kind.DOCUMENT.toString()));

                    if (queryBuilder != null) {
                        boolQuery.must(queryBuilder);
                    }
                    builder.setQuery(boolQuery);
                }
            } else if (queryBuilder != null) {
                builder.setQuery(queryBuilder);
            } else {

            context.addHighlightedQuery(origQuery);
            return buildDefaultQueryBuilder(fessConfig, context, (f, b) -> QueryBuilders.matchPhraseQuery(f, origQuery).boost(b));
        }

        context.addFieldLog(field, termRangeQuery.toString(field));
        final RangeQueryBuilder rangeQuery = QueryBuilders.rangeQuery(field);
        final BytesRef min = termRangeQuery.getLowerTerm();
        if (min != null) {

        return null;
    }

    protected QueryBuilder buildQuery() {
        final BoolQueryBuilder queryBuilder = QueryBuilders.boolQuery();
        queryBuilder.must(QueryBuilders.termQuery(FieldNames.KINDS, SuggestItem.Kind.QUERY.toString()));
        queryBuilder.mustNot(QueryBuilders.existsQuery(FieldNames.READING_PREFIX + "1"));
        queryBuilder.must(QueryBuilders.rangeQuery(FieldNames.QUERY_FREQ).gte(queryFreqThreshold));

import org.codelibs.fess.util.ComponentUtil;
import org.lastaflute.core.message.UserMessages;
import org.opensearch.common.unit.Fuzziness;
import org.opensearch.index.query.QueryBuilder;
import org.opensearch.index.query.QueryBuilders;
import org.opensearch.search.sort.SortOrder;

public class TermQueryCommand extends QueryCommand {
    private static final Logger logger = LogManager.getLogger(TermQueryCommand.class);

        final QueryBuilder queryBuilder = QueryBuilders.termQuery(fessConfig.getIndexFieldVirtualHost(), virtualHost);
        return deleteByQueryBuilder(searchEngineClient, index, queryBuilder);
    }

    protected long deleteByQueryBuilder(final SearchEngineClient searchEngineClient, final String index, final QueryBuilder queryBuilder) {
        refreshIndex(searchEngineClient, index);

import org.opensearch.index.query.DisMaxQueryBuilder;
import org.opensearch.index.query.QueryBuilder;
import org.opensearch.index.query.QueryBuilders;
import org.opensearch.search.sort.SortBuilder;
import org.opensearch.search.sort.SortBuilders;
import org.opensearch.search.sort.SortOrder;

public abstract class QueryCommand {

    public abstract QueryBuilder execute(final QueryContext context, final Query query, final float boost);

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.query;

import org.codelibs.fess.unit.UnitFessTestCase;
import org.opensearch.index.query.QueryBuilders;

public class DefaultQueryBuilderTest extends UnitFessTestCase {
    public void test_invalid_null() {
        try {
            new DefaultQueryBuilder(null);
            fail();