spring-data-elasticsearch GeoJson 源码
spring-data-elasticsearch GeoJson 代码
文件路径：/src/main/java/org/springframework/data/elasticsearch/core/geo/GeoJson.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 org.springframework.data.elasticsearch.core.convert.ConversionException;
import org.springframework.data.elasticsearch.core.convert.GeoConverters;
import org.springframework.data.elasticsearch.core.document.Document;
/**
* Interface definition for structures defined in <a href="https://geojson.org">GeoJSON</a>
* format. copied from Spring Data Mongodb
*
* @author Christoph Strobl
* @since 1.7
*/
public interface GeoJson<T extends Iterable<?>> {
/**
* String value representing the type of the {@link GeoJson} object.
*
* @return will never be {@literal null}.
* @see <a href=
* "https://geojson.org/geojson-spec.html#geojson-objects">https://geojson.org/geojson-spec.html#geojson-objects</a>
*/
String getType();
/**
* The value of the coordinates member is always an {@link Iterable}. The structure for the elements within is
* determined by {@link #getType()} of geometry.
*
* @return will never be {@literal null}.
* @see <a href=
* "https://geojson.org/geojson-spec.html#geometry-objects">https://geojson.org/geojson-spec.html#geometry-objects</a>
*/
T getCoordinates();
/**
* @param json the JSON string to parse
* @return the parsed {@link GeoJson} object
* @throws ConversionException on parse erros
*/
static GeoJson<?> of(String json) {
return GeoConverters.MapToGeoJsonConverter.INSTANCE.convert(Document.parse(json));
}
/**
* @return a JSON representation of this object
*/
default String toJson() {
return Document.from(GeoConverters.GeoJsonToMapConverter.INSTANCE.convert(this)).toJson();
}
}
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