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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.search.aggregations.Aggregator;
import org.elasticsearch.search.aggregations.AggregatorFactories;
import org.elasticsearch.search.aggregations.pipeline.PipelineAggregator;
import org.elasticsearch.search.internal.SearchContext;
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 {
GeoHashGridAggregator(String name, AggregatorFactories factories, CellIdSource valuesSource,
int requiredSize, int shardSize, SearchContext aggregationContext,
Aggregator parent, List pipelineAggregators,
Map metaData) throws IOException {
super(name, factories, valuesSource, requiredSize, shardSize, aggregationContext, parent,
pipelineAggregators, metaData);
}
@Override
InternalGeoHashGrid buildAggregation(String name, int requiredSize, List buckets,
List pipelineAggregators, Map metaData) {
return new InternalGeoHashGrid(name, requiredSize, buckets, pipelineAggregators, metaData);
}
@Override
public InternalGeoHashGrid buildEmptyAggregation() {
return new InternalGeoHashGrid(name, requiredSize, Collections.emptyList(), pipelineAggregators(), metaData());
}
InternalGeoGridBucket newEmptyBucket() {
return new InternalGeoHashGridBucket(0, 0, null);
}
}