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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.search.grouping.request;
/**
* This class represents an count-aggregator in a {@link GroupingExpression}. It evaluates to the number of elements
* there are in the input.
*
* @author <a href="mailto:simon@yahoo-inc.com">Simon Thoresen</a>
*/
public class CountAggregator extends AggregatorNode {
/**
* Constructs a new instance of this class.
*/
public CountAggregator() {
super("count");
}
}
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