/*
* 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;
import java.util.Iterator;
/**
* Reperesents a component in a directed graph.
*
* @see DirectedGraph
*
* @author Justin Deoliveira, Refractions Research Inc, jdeolive@refractions.net
*
* @source $URL$
*/
public interface DirectedGraphable extends Graphable {
/**
* Returns other components related through an <B>in</B> relationship.
*
* @return An iterator over the other directed components related through an
* in relationship.
*
* @see Graphable#getRelated()
*/
public Iterator getInRelated();
/**
* Returns other components related through an <B>out</B> relationship.
*
* @return An iterator over the other directed components related through an
* out relationship.
*
* @see Graphable#getRelated()
*/
public Iterator getOutRelated();
}