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 org.elasticsearch.common.geo.GeoPoint;
023import org.elasticsearch.index.query.QueryBuilder;
024import org.elasticsearch.index.query.QueryBuilders;
025import org.nuxeo.ecm.core.query.sql.model.EsHint;
026import org.nuxeo.elasticsearch.api.ESHintQueryBuilder;
027
028/**
029 * The implementation of {@link ESHintQueryBuilder} for the <strong>"geo_distance"</strong> Elasticsearch hint operator.
030 *
031 * @since 11.1
032 */
033public class GeoDistanceESHintQueryBuilder extends AbstractGeoESHintQueryBuilder {
034
035    /**
036     * {@inheritDoc}
037     * <p>
038     *
039     * @return {@link org.elasticsearch.index.query.GeoDistanceQueryBuilder}
040     */
041    @Override
042    public QueryBuilder make(EsHint hint, String fieldName, Object value) {
043        String[] values = validate(value, 2, "point and distance");
044        GeoPoint center = parseGeoPointString(values[0]);
045        return QueryBuilders.geoDistanceQuery(fieldName).point(center.lat(), center.lon()).distance(values[1]);
046    }
047}