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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;
/**
* This class represents a document summary in a {@link GroupingExpression}. It evaluates to the summary of the input
* {@link com.yahoo.search.result.Hit} that corresponds to the named summary class.
*
* @author <a href="mailto:simon@yahoo-inc.com">Simon Thoresen</a>
*/
public class SummaryValue extends DocumentValue {
private final String name;
/**
* Constructs a new instance of this class, using the default summary class.
*/
public SummaryValue() {
super("summary()");
name = null;
}
/**
* Constructs a new instance of this class.
*
* @param summaryName The name of the summary class to assign to this.
*/
public SummaryValue(String summaryName) {
super("summary(" + summaryName + ")");
name = summaryName;
}
/**
* Returns the name of the summary class used to retrieve the hit from the search node.
*
* @return The summary name.
*/
public String getSummaryName() {
return name;
}
}
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