/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2002-2008, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library 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.
*/
package org.geotools.graph.structure;
/**
* An interface in which to implement a visitor pattern with components of a
* graph.
*
* @author Justin Deoliveira, Refractions Research Inc, jdeolive@refractions.net
*
* @source $URL$
*/
public interface GraphVisitor {
/**
* Presents the visitor with the component to visit.
*
* @param component The component being visited.
*
* @return An integer signal value back to the caller.
*/
public int visit(Graphable component);
}