org.elasticsearch.index.mapper.LegacyGeoShapeIndexer Maven / Gradle / Ivy
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Elasticsearch subproject :server
/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you under
* the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.index.mapper;
import org.apache.lucene.index.IndexableField;
import org.elasticsearch.common.geo.XShapeCollection;
import org.elasticsearch.common.geo.builders.ShapeBuilder;
import org.locationtech.spatial4j.shape.Point;
import org.locationtech.spatial4j.shape.Shape;
import org.locationtech.spatial4j.shape.jts.JtsGeometry;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
public class LegacyGeoShapeIndexer implements AbstractGeometryFieldMapper.Indexer, Shape> {
private LegacyGeoShapeFieldMapper.GeoShapeFieldType fieldType;
public LegacyGeoShapeIndexer(LegacyGeoShapeFieldMapper.GeoShapeFieldType fieldType) {
this.fieldType = fieldType;
}
@Override
public Shape prepareForIndexing(ShapeBuilder shapeBuilder) {
return shapeBuilder.buildS4J();
}
@Override
public Class processedClass() {
return Shape.class;
}
@Override
public List indexShape(ParseContext context, Shape shape) {
if (fieldType.pointsOnly() == true) {
// index configured for pointsOnly
if (shape instanceof XShapeCollection && XShapeCollection.class.cast(shape).pointsOnly()) {
// MULTIPOINT data: index each point separately
@SuppressWarnings("unchecked") List shapes = ((XShapeCollection) shape).getShapes();
List fields = new ArrayList<>();
for (Shape s : shapes) {
fields.addAll(Arrays.asList(fieldType.defaultPrefixTreeStrategy().createIndexableFields(s)));
}
return fields;
} else if (shape instanceof Point == false) {
throw new MapperParsingException("[{" + fieldType.name() + "}] is configured for points only but a "
+ ((shape instanceof JtsGeometry) ? ((JtsGeometry)shape).getGeom().getGeometryType() : shape.getClass())
+ " was found");
}
}
return Arrays.asList(fieldType.defaultPrefixTreeStrategy().createIndexableFields(shape));
}
}