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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.searchlib.expression;
/**
* This function is a request to bitwise XOR the result of its first argument with itself in chunks of the second
* argument number of bits. If the result to XOR is a 24 bit value, and the second argument is 8, this function will XOR
* the first 8 bits of the result with the next 8 bits of the result, and then XOR that number with the next 8 bits of
* the result.
*
* @author baldersheim
* @author Simon Thoresen Hult
*/
public class XorBitFunctionNode extends UnaryBitFunctionNode {
public static final int classId = registerClass(0x4000 + 71, XorBitFunctionNode.class);
/**
* Constructs an empty result node. <b>NOTE:</b> This instance is broken until non-optional member data is set.
*/
public XorBitFunctionNode() {
}
/**
* Constructs an instance of this class with given argument and number of bits.
*
* @param arg The argument for this function.
* @param numBits The number of bits to operate on.
*/
public XorBitFunctionNode(ExpressionNode arg, int numBits) {
super(arg, numBits);
}
@Override
protected int onGetClassId() {
return classId;
}
}
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