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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.search.aggregations.bucket.geogrid;
import org.elasticsearch.common.geo.GeoPoint;
import org.elasticsearch.common.xcontent.ObjectParser;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.search.aggregations.ParsedMultiBucketAggregation;
import java.io.IOException;
import java.util.List;
public class ParsedGeoHashGrid extends ParsedMultiBucketAggregation<ParsedGeoHashGrid.ParsedBucket> implements GeoHashGrid {
@Override
public String getType() {
return GeoGridAggregationBuilder.NAME;
}
@Override
public List<? extends GeoHashGrid.Bucket> getBuckets() {
return buckets;
}
private static ObjectParser<ParsedGeoHashGrid, Void> PARSER =
new ObjectParser<>(ParsedGeoHashGrid.class.getSimpleName(), true, ParsedGeoHashGrid::new);
static {
declareMultiBucketAggregationFields(PARSER, ParsedBucket::fromXContent, ParsedBucket::fromXContent);
}
public static ParsedGeoHashGrid fromXContent(XContentParser parser, String name) throws IOException {
ParsedGeoHashGrid aggregation = PARSER.parse(parser, null);
aggregation.setName(name);
return aggregation;
}
public static class ParsedBucket extends ParsedMultiBucketAggregation.ParsedBucket implements GeoHashGrid.Bucket {
private String geohashAsString;
@Override
public GeoPoint getKey() {
return GeoPoint.fromGeohash(geohashAsString);
}
@Override
public String getKeyAsString() {
return geohashAsString;
}
@Override
protected XContentBuilder keyToXContent(XContentBuilder builder) throws IOException {
return builder.field(CommonFields.KEY.getPreferredName(), geohashAsString);
}
static ParsedBucket fromXContent(XContentParser parser) throws IOException {
return parseXContent(parser, false, ParsedBucket::new, (p, bucket) -> bucket.geohashAsString = p.textOrNull());
}
}
}
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