HashcodeVisitor.java

/**
 * Copyright (C) 2006-2017 INRIA and contributors
 * Spoon - http://spoon.gforge.inria.fr/
 *
 * This software is governed by the CeCILL-C License under French law and
 * abiding by the rules of distribution of free software. You can use, modify
 * and/or redistribute the software under the terms of the CeCILL-C license as
 * circulated by CEA, CNRS and INRIA at http://www.cecill.info.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the CeCILL-C License for more details.
 *
 * The fact that you are presently reading this means that you have had
 * knowledge of the CeCILL-C license and that you accept its terms.
 */
package spoon.support.visitor;

import spoon.reflect.declaration.CtElement;
import spoon.reflect.declaration.CtNamedElement;
import spoon.reflect.visitor.CtInheritanceScanner;

/** Responsible for computing CtElement.hashCode().
 * Version that is fast and compatible with EqualVisitor
 */
public class HashcodeVisitor extends CtInheritanceScanner {

	private int hashCode = 0;

	@Override
	public void scanCtNamedElement(CtNamedElement e) {
		hashCode += e.getSimpleName().hashCode();
	}

	@Override
	public void scan(CtElement element) {
		hashCode += 1;
		super.scan(element);;
	}

	public int getHasCode() {
		return hashCode;
	}

}