001    /*
002     *  www.ti.bfh.ch
003     *
004     *  Copyright 2007, Berne University of Applied Sciences, 
005     *  School of Engineering and Information Technology
006     *  and individual contributors as indicated by the @authors tag.
007     *
008     *  This is free software; you can redistribute it and/or modify it under the terms of the 
009     *  GNU Lesser General Public License as published by the Free Software Foundation; 
010     *  either version 3 of the License, or (at your option) any later version.
011     *
012     *  This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
013     *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
014     *  See the GNU Lesser General Public License for more details.
015     *
016     *  You should have received a copy of the GNU Lesser General Public License along with this software; 
017     *  if not, see <http://www.gnu.org/licenses/>.
018     *
019     */
020    package ch.bfh.algo.graph;
021    
022    import ch.bfh.algo.Position;
023    import ch.bfh.algo.forest.ForestFactory;
024    
025    
026    public interface GraphFactory<PE,PV> extends ForestFactory<PV>{
027            
028            public PE createEdge();
029            public PV createVertex();
030            
031            public PE castEdge(Position<?> edge);
032            public PV castVertex(Position<?> vertex);
033    }