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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.search.grouping.request;
import java.util.Arrays;
/**
* This class represents an hour-of-day timestamp-function in a {@link GroupingExpression}. It evaluates to a long that
* equals the hour of day (0-23) of the result of the argument.
*
* @author <a href="mailto:simon@yahoo-inc.com">Simon Thoresen</a>
*/
public class HourOfDayFunction extends FunctionNode {
/**
* Constructs a new instance of this class.
*
* @param exp The expression to evaluate, must evaluate to a long.
*/
public HourOfDayFunction(GroupingExpression exp) {
super("time.hourofday", Arrays.asList(exp));
}
}
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