/*
 * 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", the "GNU Affero General Public License v3.0 only", 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", the "GNU Affero General Public
 * License v3.0 only", or the "Server Side Public License, v 1".
 */

package org.elasticsearch.search.aggregations.bucket.composite;

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 java.io.IOException;
import java.util.Map;

class CompositeAggregationFactory extends AggregatorFactory {
    private final int size;
    private final CompositeValuesSourceConfig[] sources;
    private final CompositeKey afterKey;

    CompositeAggregationFactory(
        String name,
        AggregationContext context,
        AggregatorFactory parent,
        AggregatorFactories.Builder subFactoriesBuilder,
        Map<String, Object> metadata,
        int size,
        CompositeValuesSourceConfig[] sources,
        CompositeKey afterKey
    ) throws IOException {
        super(name, context, parent, subFactoriesBuilder, metadata);
        this.size = size;
        this.sources = sources;
        this.afterKey = afterKey;
    }

    @Override
    protected Aggregator createInternal(Aggregator parent, CardinalityUpperBound cardinality, Map<String, Object> metadata)
        throws IOException {
        return new CompositeAggregator(name, factories, context, parent, metadata, size, sources, afterKey);
    }
}
