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/*
* 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.metrics;
import org.elasticsearch.Version;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.search.aggregations.AggregationBuilder;
import org.elasticsearch.search.aggregations.AggregatorFactories;
import org.elasticsearch.search.aggregations.AggregatorFactory;
import org.elasticsearch.search.aggregations.support.AggregationContext;
import org.elasticsearch.search.aggregations.support.CoreValuesSourceType;
import org.elasticsearch.search.aggregations.support.ValuesSourceAggregatorFactory;
import org.elasticsearch.search.aggregations.support.ValuesSourceConfig;
import org.elasticsearch.search.aggregations.support.ValuesSourceRegistry;
import org.elasticsearch.search.aggregations.support.ValuesSourceType;
import org.elasticsearch.xcontent.ConstructingObjectParser;
import org.elasticsearch.xcontent.ParseField;
import java.io.IOException;
import java.util.Map;
public class PercentileRanksAggregationBuilder extends AbstractPercentilesAggregationBuilder {
public static final String NAME = PercentileRanks.TYPE_NAME;
public static final ValuesSourceRegistry.RegistryKey REGISTRY_KEY =
new ValuesSourceRegistry.RegistryKey<>(NAME, PercentilesAggregatorSupplier.class);
private static final ParseField VALUES_FIELD = new ParseField("values");
public static final ConstructingObjectParser PARSER = AbstractPercentilesAggregationBuilder
.createParser(
PercentileRanksAggregationBuilder.NAME,
PercentileRanksAggregationBuilder::new,
PercentilesConfig.TDigest::new,
VALUES_FIELD
);
public static void registerAggregators(ValuesSourceRegistry.Builder builder) {
PercentileRanksAggregatorFactory.registerAggregators(builder);
}
public PercentileRanksAggregationBuilder(String name, double[] values) {
this(name, values, null);
}
private PercentileRanksAggregationBuilder(String name, double[] values, PercentilesConfig percentilesConfig) {
super(name, values, percentilesConfig, VALUES_FIELD);
}
public PercentileRanksAggregationBuilder(StreamInput in) throws IOException {
super(VALUES_FIELD, in);
}
private PercentileRanksAggregationBuilder(
PercentileRanksAggregationBuilder clone,
AggregatorFactories.Builder factoriesBuilder,
Map metadata
) {
super(clone, factoriesBuilder, metadata);
}
@Override
protected AggregationBuilder shallowCopy(AggregatorFactories.Builder factoriesBuilder, Map metadata) {
return new PercentileRanksAggregationBuilder(this, factoriesBuilder, metadata);
}
@Override
protected ValuesSourceType defaultValueSourceType() {
return CoreValuesSourceType.NUMERIC;
}
/**
* Get the values to compute percentiles from.
*/
public double[] values() {
return values;
}
@Override
protected ValuesSourceAggregatorFactory innerBuild(
AggregationContext context,
ValuesSourceConfig config,
AggregatorFactory parent,
AggregatorFactories.Builder subFactoriesBuilder
) throws IOException {
PercentilesAggregatorSupplier aggregatorSupplier = context.getValuesSourceRegistry().getAggregator(REGISTRY_KEY, config);
return new PercentileRanksAggregatorFactory(
name,
config,
values,
configOrDefault(),
keyed,
context,
parent,
subFactoriesBuilder,
metadata,
aggregatorSupplier
);
}
@Override
public String getType() {
return NAME;
}
@Override
protected ValuesSourceRegistry.RegistryKey getRegistryKey() {
return REGISTRY_KEY;
}
@Override
public Version getMinimalSupportedVersion() {
return Version.V_EMPTY;
}
}