/*
* RapidMiner
*
* Copyright (C) 2001-2008 by Rapid-I and the contributors
*
* Complete list of developers available at our web site:
*
* http://rapid-i.com
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
*/
package com.rapidminer.operator.similarity.clustermodel;
/**
* Return 1.0 exactly if two items are in the same node and zero else.
*
* @author Michael Wurst
* @version $Id: TreeSimilarityBinary.java,v 1.5 2008/09/12 10:32:26 tobiasmalbrecht Exp $
*/
public class TreeSimilarityBinary extends MostSpecificCommonNodeSimilarity {
private static final long serialVersionUID = 4241127025872079679L;
public double similarity(String x, String y) {
return getNode(x) == getNode(y) ? 1.0 : 0.0;
}
}