/* * EuroCarbDB, a framework for carbohydrate bioinformatics * * Copyright (c) 2006-2009, Eurocarb project, or third-party contributors as * indicated by the @author tags or express copyright attribution * statements applied by the authors. * * This copyrighted material is made available to anyone wishing to use, modify, * copy, or redistribute it subject to the terms and conditions of the GNU * Lesser General Public License, as published by the Free Software Foundation. * A copy of this license accompanies this distribution in the file LICENSE.txt. * * 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 Lesser General Public License * for more details. * * Last commit: $Rev: 1208 $ by $Author: glycoslave $ on $Date:: 2009-06-12 #$ */ package org.eurocarbdb.sugar; import org.eurocarbdb.util.Visitor; /** * Convenience implementation of the {@link http://en.wikipedia.org/wiki/Visitor_pattern * Visitor pattern} for traversing sugar objects. The default implementations * of visit methods do nothing. */ public abstract class SugarVisitor extends Visitor { public void accept( Sugar s ) {} public void accept( Residue r ) {} public void accept( Linkage l ) {} public void accept( Monosaccharide m ) {} public void accept( GlycosidicLinkage l ) {} // public void visit( RepeatResidue r ) {} }