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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.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.Map;
class MaxAggregatorFactory extends ValuesSourceAggregatorFactory {
private final MetricAggregatorSupplier aggregatorSupplier;
static void registerAggregators(ValuesSourceRegistry.Builder builder) {
builder.register(
MaxAggregationBuilder.REGISTRY_KEY,
org.elasticsearch.common.collect.List.of(CoreValuesSourceType.NUMERIC, CoreValuesSourceType.DATE, CoreValuesSourceType.BOOLEAN),
MaxAggregator::new,
true);
}
MaxAggregatorFactory(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;
}
@Override
protected Aggregator createUnmapped(Aggregator parent, Map metadata) throws IOException {
return new MaxAggregator(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);
}
}