org.elasticsearch.search.aggregations.bucket.geogrid.GeoHashGridAggregator Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of elasticsearch Show documentation
Show all versions of elasticsearch Show documentation
Elasticsearch subproject :server
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
package org.elasticsearch.search.aggregations.bucket.geogrid;
import org.elasticsearch.search.aggregations.Aggregator;
import org.elasticsearch.search.aggregations.AggregatorFactories;
import org.elasticsearch.search.aggregations.CardinalityUpperBound;
import org.elasticsearch.search.aggregations.support.AggregationContext;
import org.elasticsearch.search.aggregations.support.ValuesSource;
import java.io.IOException;
import java.util.Collections;
import java.util.List;
import java.util.Map;
/**
* Aggregates data expressed as GeoHash longs (for efficiency's sake) but formats results as Geohash strings.
*/
public class GeoHashGridAggregator extends GeoGridAggregator {
public GeoHashGridAggregator(
String name,
AggregatorFactories factories,
ValuesSource.Numeric valuesSource,
int requiredSize,
int shardSize,
AggregationContext context,
Aggregator parent,
CardinalityUpperBound cardinality,
Map metadata
) throws IOException {
super(name, factories, valuesSource, requiredSize, shardSize, context, parent, cardinality, metadata);
}
@Override
protected InternalGeoHashGrid buildAggregation(
String name,
int requiredSize,
List buckets,
Map metadata
) {
return new InternalGeoHashGrid(name, requiredSize, buckets, metadata);
}
@Override
public InternalGeoHashGrid buildEmptyAggregation() {
return new InternalGeoHashGrid(name, requiredSize, Collections.emptyList(), metadata());
}
protected InternalGeoGridBucket newEmptyBucket() {
return new InternalGeoHashGridBucket(0, 0, null);
}
}