IGPGeoBoundingBoxQuerySearch.java

/**
 *
 *    geo-platform
 *    Rich webgis framework
 *    http://geo-platform.org
 *   ====================================================================
 *
 *   Copyright (C) 2008-2017 geoSDI Group (CNR IMAA - Potenza - ITALY).
 *
 *   This program is free software: you can redistribute it and/or modify it
 *   under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version. This program is distributed in the
 *   hope that it will be useful, but WITHOUT ANY WARRANTY; without
 *   even the implied warranty of MERCHANTABILITY or FITNESS FOR
 *   A PARTICULAR PURPOSE. See the GNU General Public License
 *   for more details. You should have received a copy of the GNU General
 *   Public License along with this program. If not, see http://www.gnu.org/licenses/
 *
 *   ====================================================================
 *
 *   Linking this library statically or dynamically with other modules is
 *   making a combined work based on this library. Thus, the terms and
 *   conditions of the GNU General Public License cover the whole combination.
 *
 *   As a special exception, the copyright holders of this library give you permission
 *   to link this library with independent modules to produce an executable, regardless
 *   of the license terms of these independent modules, and to copy and distribute
 *   the resulting executable under terms of your choice, provided that you also meet,
 *   for each linked independent module, the terms and conditions of the license of
 *   that module. An independent module is a module which is not derived from or
 *   based on this library. If you modify this library, you may extend this exception
 *   to your version of the library, but you are not obligated to do so. If you do not
 *   wish to do so, delete this exception statement from your version.
 */
package org.geosdi.geoplatform.experimental.el.search.geobbox;

import com.google.common.base.Preconditions;
import com.vividsolutions.jts.geom.Envelope;
import net.jcip.annotations.Immutable;
import org.elasticsearch.index.query.GeoBoundingBoxQueryBuilder;
import org.elasticsearch.index.query.QueryBuilder;
import org.elasticsearch.index.query.QueryBuilders;
import org.geosdi.geoplatform.experimental.el.search.bool.IBooleanSearch;

/**
 * @author Giuseppe La Scaleia - CNR IMAA geoSDI Group
 * @email giuseppe.lascaleia@geosdi.org
 */
public interface IGPGeoBoundingBoxQuerySearch extends IBooleanSearch {

    /**
     * @return {@link Envelope}
     */
    Envelope getEnvelope();

    /**
     *
     */
    @Immutable
    class GPGeoBoundingBoxQuerySearch extends AbstractBooleanSearch implements IGPGeoBoundingBoxQuerySearch {

        private final Envelope envelope;

        public GPGeoBoundingBoxQuerySearch(String theField, BooleanQueryType theType, Envelope theEnvelope) {
            super(theField, theType);
            Preconditions.checkArgument(theEnvelope != null, "The Parameter Envelope must not be null.");
            this.envelope = theEnvelope;
        }

        /**
         * @return {@link Envelope}
         */
        @Override
        public Envelope getEnvelope() {
            return this.envelope;
        }

        /**
         * @return {@link QueryBuilder}
         */
        @Override
        public QueryBuilder buildQuery() {
            return this.buildGeoBoundingBoxQueryBuilder();
        }

        /**
         * @return {@link GeoBoundingBoxQueryBuilder}
         */
        protected final GeoBoundingBoxQueryBuilder buildGeoBoundingBoxQueryBuilder() {
            return QueryBuilders.geoBoundingBoxQuery(this.field)
                    .topLeft(this.envelope.getMaxY(), this.envelope.getMinX())
                    .topRight(this.envelope.getMaxY(), this.envelope.getMaxX())
                    .bottomLeft(this.envelope.getMinY(), this.envelope.getMinX())
                    .bottomRight(this.envelope.getMinY(), this.envelope.getMaxX());
        }
    }
}