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org.elasticsearch.search.aggregations.metrics.StatsAggregatorFactory Maven / Gradle / Ivy
/*
* 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.search.aggregations.Aggregator;
import org.elasticsearch.search.aggregations.AggregatorFactories;
import org.elasticsearch.search.aggregations.AggregatorFactory;
import org.elasticsearch.search.aggregations.CardinalityUpperBound;
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 java.io.IOException;
import java.util.List;
import java.util.Map;
class StatsAggregatorFactory extends ValuesSourceAggregatorFactory {
private final MetricAggregatorSupplier aggregatorSupplier;
StatsAggregatorFactory(
String name,
ValuesSourceConfig config,
AggregationContext context,
AggregatorFactory parent,
AggregatorFactories.Builder subFactoriesBuilder,
Map metadata,
MetricAggregatorSupplier aggregatorSupplier
) throws IOException {
super(name, config, context, parent, subFactoriesBuilder, metadata);
this.aggregatorSupplier = aggregatorSupplier;
}
static void registerAggregators(ValuesSourceRegistry.Builder builder) {
builder.register(
StatsAggregationBuilder.REGISTRY_KEY,
List.of(CoreValuesSourceType.NUMERIC, CoreValuesSourceType.DATE, CoreValuesSourceType.BOOLEAN),
StatsAggregator::new,
true
);
}
@Override
protected Aggregator createUnmapped(Aggregator parent, Map metadata) throws IOException {
return new StatsAggregator(name, config, context, parent, metadata);
}
@Override
protected Aggregator doCreateInternal(Aggregator parent, CardinalityUpperBound cardinality, Map metadata)
throws IOException {
return aggregatorSupplier.build(name, config, context, parent, metadata);
}
}