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/*
* 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.common.geo.builders;
import com.spatial4j.core.shape.Point;
import com.spatial4j.core.shape.Shape;
import com.vividsolutions.jts.geom.Coordinate;
import org.elasticsearch.common.geo.XShapeCollection;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.xcontent.XContentBuilder;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
public class MultiPointBuilder extends PointCollection<MultiPointBuilder> {
public static final GeoShapeType TYPE = GeoShapeType.MULTIPOINT;
public final static MultiPointBuilder PROTOTYPE = new MultiPointBuilder();
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
builder.startObject();
builder.field(FIELD_TYPE, TYPE.shapeName());
builder.field(FIELD_COORDINATES);
super.coordinatesToXcontent(builder, false);
builder.endObject();
return builder;
}
@Override
public Shape build() {
//Could wrap JtsGeometry but probably slower due to conversions to/from JTS in relate()
//MultiPoint geometry = FACTORY.createMultiPoint(points.toArray(new Coordinate[points.size()]));
List<Point> shapes = new ArrayList<>(points.size());
for (Coordinate coord : points) {
shapes.add(SPATIAL_CONTEXT.makePoint(coord.x, coord.y));
}
XShapeCollection<Point> multiPoints = new XShapeCollection<>(shapes, SPATIAL_CONTEXT);
multiPoints.setPointsOnly(true);
return multiPoints;
}
@Override
public GeoShapeType type() {
return TYPE;
}
@Override
public int hashCode() {
return Objects.hash(points);
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null || getClass() != obj.getClass()) {
return false;
}
MultiPointBuilder other = (MultiPointBuilder) obj;
return Objects.equals(points, other.points);
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeVInt(points.size());
for (Coordinate point : points) {
writeCoordinateTo(point, out);
}
}
@Override
public MultiPointBuilder readFrom(StreamInput in) throws IOException {
MultiPointBuilder multiPointBuilder = new MultiPointBuilder();
int size = in.readVInt();
for (int i=0; i < size; i++) {
multiPointBuilder.point(readCoordinateFrom(in));
}
return multiPointBuilder;
}
}
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