| /******************************************************************************* |
| * Copyright (c) 2003, 2005 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.draw2d.graph; |
| |
| /** |
| * Performs some action on a Graph. |
| * @author Randy Hudson |
| * @since 2.1.2 |
| */ |
| abstract class GraphVisitor { |
| |
| /** |
| * Act on the given directed graph. |
| * @param g the graph |
| */ |
| void visit(DirectedGraph g) { } |
| |
| /** |
| * Called in reverse order of visit. |
| * @since 3.1 |
| * @param g the graph to act upon |
| */ |
| void revisit(DirectedGraph g) { } |
| |
| } |