001/* 002 * (C) Copyright 2019 Nuxeo (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Salem Aouana 018 */ 019 020package org.nuxeo.elasticsearch.hint; 021 022import java.util.Map; 023import java.util.stream.Collectors; 024 025import org.elasticsearch.index.query.QueryBuilder; 026import org.elasticsearch.index.query.QueryBuilders; 027import org.nuxeo.ecm.core.query.sql.model.EsHint; 028import org.nuxeo.elasticsearch.api.ESHintQueryBuilder; 029 030/** 031 * The implementation of {@link ESHintQueryBuilder} for the <strong>"multi_match"</strong> Elasticsearch hint operator. 032 * 033 * @since 11.1 034 */ 035public class MultiMatchESHintQueryBuilder implements ESHintQueryBuilder { 036 037 /** 038 * {@inheritDoc} 039 * <p> 040 * 041 * @return {@link org.elasticsearch.index.query.MultiMatchQueryBuilder} 042 */ 043 @Override 044 public QueryBuilder make(EsHint hint, String fieldName, Object value) { 045 // multiMatchQuery requires at least 1 field on creation, so we set them twice, in case there's a field boost 046 Map<String, Float> fields = hint.getIndex() 047 .stream() 048 .collect(Collectors.toMap(EsHint.FieldHint::getField, 049 EsHint.FieldHint::getBoost)); 050 return QueryBuilders.multiMatchQuery(value, hint.getIndexFieldNames()).fields(fields).analyzer(hint.analyzer); 051 } 052}