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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.range.geodistance;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.search.aggregations.AggregationStreams;
import org.elasticsearch.search.aggregations.InternalAggregation;
import org.elasticsearch.search.aggregations.InternalAggregations;
import org.elasticsearch.search.aggregations.bucket.BucketStreamContext;
import org.elasticsearch.search.aggregations.bucket.BucketStreams;
import org.elasticsearch.search.aggregations.bucket.range.InternalRange;
import org.elasticsearch.search.aggregations.pipeline.PipelineAggregator;
import org.elasticsearch.search.aggregations.support.format.ValueFormatter;
import java.io.IOException;
import java.util.List;
import java.util.Map;
/**
*
*/
public class InternalGeoDistance extends InternalRange<InternalGeoDistance.Bucket, InternalGeoDistance> {
public static final Type TYPE = new Type("geo_distance", "gdist");
public static final AggregationStreams.Stream STREAM = new AggregationStreams.Stream() {
@Override
public InternalGeoDistance readResult(StreamInput in) throws IOException {
InternalGeoDistance geoDistance = new InternalGeoDistance();
geoDistance.readFrom(in);
return geoDistance;
}
};
private final static BucketStreams.Stream<Bucket> BUCKET_STREAM = new BucketStreams.Stream<Bucket>() {
@Override
public Bucket readResult(StreamInput in, BucketStreamContext context) throws IOException {
Bucket buckets = new Bucket(context.keyed(), context.formatter());
buckets.readFrom(in);
return buckets;
}
@Override
public BucketStreamContext getBucketStreamContext(Bucket bucket) {
BucketStreamContext context = new BucketStreamContext();
context.formatter(bucket.formatter());
context.keyed(bucket.keyed());
return context;
}
};
public static void registerStream() {
AggregationStreams.registerStream(STREAM, TYPE.stream());
BucketStreams.registerStream(BUCKET_STREAM, TYPE.stream());
}
public static final Factory FACTORY = new Factory();
static class Bucket extends InternalRange.Bucket {
Bucket(boolean keyed, ValueFormatter formatter) {
super(keyed, formatter);
}
Bucket(String key, double from, double to, long docCount, List<InternalAggregation> aggregations, boolean keyed,
ValueFormatter formatter) {
this(key, from, to, docCount, new InternalAggregations(aggregations), keyed, formatter);
}
Bucket(String key, double from, double to, long docCount, InternalAggregations aggregations, boolean keyed, ValueFormatter formatter) {
super(key, from, to, docCount, aggregations, keyed, formatter);
}
@Override
protected InternalRange.Factory<Bucket, ?> getFactory() {
return FACTORY;
}
boolean keyed() {
return keyed;
}
ValueFormatter formatter() {
return formatter;
}
}
public static class Factory extends InternalRange.Factory<InternalGeoDistance.Bucket, InternalGeoDistance> {
@Override
public String type() {
return TYPE.name();
}
@Override
public InternalGeoDistance create(String name, List<Bucket> ranges, ValueFormatter formatter, boolean keyed,
List<PipelineAggregator> pipelineAggregators, Map<String, Object> metaData) {
return new InternalGeoDistance(name, ranges, formatter, keyed, pipelineAggregators, metaData);
}
@Override
public InternalGeoDistance create(List<Bucket> ranges, InternalGeoDistance prototype) {
return new InternalGeoDistance(prototype.name, ranges, prototype.formatter, prototype.keyed, prototype.pipelineAggregators(),
prototype.metaData);
}
@Override
public Bucket createBucket(String key, double from, double to, long docCount, InternalAggregations aggregations, boolean keyed,
ValueFormatter formatter) {
return new Bucket(key, from, to, docCount, aggregations, keyed, formatter);
}
@Override
public Bucket createBucket(InternalAggregations aggregations, Bucket prototype) {
return new Bucket(prototype.getKey(), ((Number) prototype.getFrom()).doubleValue(), ((Number) prototype.getTo()).doubleValue(),
prototype.getDocCount(), aggregations, prototype.getKeyed(), prototype.getFormatter());
}
}
InternalGeoDistance() {} // for serialization
public InternalGeoDistance(String name, List<Bucket> ranges, ValueFormatter formatter, boolean keyed,
List<PipelineAggregator> pipelineAggregators,
Map<String, Object> metaData) {
super(name, ranges, formatter, keyed, pipelineAggregators, metaData);
}
@Override
public Type type() {
return TYPE;
}
@Override
public InternalRange.Factory<Bucket, InternalGeoDistance> getFactory() {
return FACTORY;
}
}