Examples with MultiMatchQuery org.opensearch.index.search.MultiMatchQuery used on opensource projects

Example 1 with MultiMatchQuery

use of org.opensearch.index.search.MultiMatchQuery in project OpenSearch by opensearch-project.

the class MultiMatchQueryBuilder method doToQuery.

@Override
protected Query doToQuery(QueryShardContext context) throws IOException {
    MultiMatchQuery multiMatchQuery = new MultiMatchQuery(context);
    if (analyzer != null) {
        if (context.getIndexAnalyzers().get(analyzer) == null) {
            throw new QueryShardException(context, "[" + NAME + "] analyzer [" + analyzer + "] not found");
        }
        multiMatchQuery.setAnalyzer(analyzer);
    }
    multiMatchQuery.setPhraseSlop(slop);
    if (fuzziness != null) {
        multiMatchQuery.setFuzziness(fuzziness);
    }
    multiMatchQuery.setFuzzyPrefixLength(prefixLength);
    multiMatchQuery.setMaxExpansions(maxExpansions);
    multiMatchQuery.setOccur(operator.toBooleanClauseOccur());
    if (fuzzyRewrite != null) {
        multiMatchQuery.setFuzzyRewriteMethod(QueryParsers.parseRewriteMethod(fuzzyRewrite, null, LoggingDeprecationHandler.INSTANCE));
    }
    if (tieBreaker != null) {
        multiMatchQuery.setTieBreaker(tieBreaker);
    }
    if (cutoffFrequency != null) {
        multiMatchQuery.setCommonTermsCutoff(cutoffFrequency);
    }
    if (lenient != null) {
        multiMatchQuery.setLenient(lenient);
    }
    multiMatchQuery.setZeroTermsQuery(zeroTermsQuery);
    multiMatchQuery.setAutoGenerateSynonymsPhraseQuery(autoGenerateSynonymsPhraseQuery);
    multiMatchQuery.setTranspositions(fuzzyTranspositions);
    Map<String, Float> newFieldsBoosts;
    boolean isAllField;
    if (fieldsBoosts.isEmpty()) {
        // no fields provided, defaults to index.query.default_field
        List<String> defaultFields = context.defaultFields();
        newFieldsBoosts = QueryParserHelper.resolveMappingFields(context, QueryParserHelper.parseFieldsAndWeights(defaultFields));
        isAllField = QueryParserHelper.hasAllFieldsWildcard(defaultFields);
    } else {
        newFieldsBoosts = QueryParserHelper.resolveMappingFields(context, fieldsBoosts);
        isAllField = QueryParserHelper.hasAllFieldsWildcard(fieldsBoosts.keySet());
    }
    if (isAllField && lenient == null) {
        // Sets leniency to true if not explicitly
        // set in the request
        multiMatchQuery.setLenient(true);
    }
    return multiMatchQuery.parse(type, newFieldsBoosts, value, minimumShouldMatch);
}