/*
* 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.traverse.basic;
import org.geotools.graph.structure.Graph;
import org.geotools.graph.traverse.GraphIterator;
import org.geotools.graph.traverse.GraphTraversal;
import org.geotools.graph.traverse.GraphWalker;
/**
* An abstract implementation of GraphIterator.
*
* @author Justin Deoliveira, Refractions Research Inc, jdeolive@refractions.net
*
* @source $URL$
*/
public abstract class AbstractGraphIterator implements GraphIterator {
private GraphTraversal m_traversal;
/**
* @see GraphIterator#setTraversal(GraphTraversal)
*/
public void setTraversal(GraphTraversal traversal) {
m_traversal = traversal;
}
/**
* @see GraphIterator#getTraversal()
*/
public GraphTraversal getTraversal() {
return(m_traversal);
}
/**
* Returns the graph being traversed.
*
* @return The graph being traversed.
*
* @see Graph
*/
public Graph getGraph() {
return(m_traversal.getGraph());
}
/**
* Returns the walker being traversed over the graph.
*
* @return The walker being traversed over the graph.
*
* @see GraphWalker
*/
public GraphWalker getWalker() {
return(m_traversal.getWalker());
}
}