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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.searchlib.expression;
/**
* This class will revert the order on any multivalues. Nothing is done to single value types such as integers, float,
* strings and Raw values.
*
* @author baldersheim
*/
public class ReverseFunctionNode extends UnaryFunctionNode {
public static final int classId = registerClass(0x4000 + 138, ReverseFunctionNode.class);
/**
* Constructs an empty result node. <b>NOTE:</b> This instance is broken until non-optional member data is set.
*/
public ReverseFunctionNode() {
}
/**
* Constructs an instance of this class with given argument.
*
* @param arg The argument for this function.
*/
public ReverseFunctionNode(ExpressionNode arg) {
addArg(arg);
}
@Override
protected int onGetClassId() {
return classId;
}
@Override
protected boolean equalsUnaryFunction(UnaryFunctionNode obj) {
return true;
}
}
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