spring-data-elasticsearch GeoJsonPoint 源码
spring-data-elasticsearch GeoJsonPoint 代码
文件路径：/src/main/java/org/springframework/data/elasticsearch/core/geo/GeoJsonPoint.java
/*
* Copyright 2015-2022 the original author or authors.
*
* Licensed 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
*
* https://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.springframework.data.elasticsearch.core.geo;
import java.util.Arrays;
import java.util.List;
import org.springframework.data.geo.Point;
/**
* {@link GeoJson} representation of {@link Point}.<br/>
* Copied from Spring Data Mongodb, not derived from {@link Point} as this conflicts with the already existing converter
* for Point in {@link org.springframework.data.elasticsearch.core.convert.GeoConverters}.
*
* @author Christoph Strobl
* @author Peter-Josef Meisch
* @since 4.1
* @see <a href="https://geojson.org/geojson-spec.html#point">https://geojson.org/geojson-spec.html#point</a>
*/
public class GeoJsonPoint implements GeoJson<List<Double>> {
private final double x;
private final double y;
public static final String TYPE = "Point";
private GeoJsonPoint(double x, double y) {
this.x = x;
this.y = y;
}
/**
* Creates {@link GeoJsonPoint} for given coordinates.
*
* @param x
* @param y
*/
public static GeoJsonPoint of(double x, double y) {
return new GeoJsonPoint(x, y);
}
/**
* Creates {@link GeoJsonPoint} for given {@link Point}.
*
* @param point must not be {@literal null}.
*/
public static GeoJsonPoint of(Point point) {
return new GeoJsonPoint(point.getX(), point.getY());
}
/**
* Creates {@link GeoJsonPoint} for given {@link GeoPoint}.
*
* @param geoPoint must not be {@literal null}.
*/
public static GeoJsonPoint of(GeoPoint geoPoint) {
return new GeoJsonPoint(geoPoint.getLon(), geoPoint.getLat());
}
@Override
public String getType() {
return TYPE;
}
public double getX() {
return x;
}
public double getY() {
return y;
}
@Override
public List<Double> getCoordinates() {
return Arrays.asList(getX(), getY());
}
@Override
public boolean equals(Object o) {
if (this == o)
return true;
if (o == null || getClass() != o.getClass())
return false;
GeoJsonPoint that = (GeoJsonPoint) o;
if (Double.compare(that.x, x) != 0)
return false;
return Double.compare(that.y, y) == 0;
}
@Override
public int hashCode() {
int result;
long temp;
temp = Double.doubleToLongBits(x);
result = (int) (temp ^ (temp >>> 32));
temp = Double.doubleToLongBits(y);
result = 31 * result + (int) (temp ^ (temp >>> 32));
return result;
}
@Override
public String toString() {
return "GeoJsonPoint{" + "x=" + x + ", y=" + y + '}';
}
}
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