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/*
 * Generic graph library
 * Copyright (C) 2000,2003,2004 University of Maryland
 *
 * 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; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * 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.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package edu.umd.cs.findbugs.graph;

/**
 * An interface for creating Graph objects, and for copying auxiliary
 * information in vertices and edges.
 */
public interface GraphToolkit, EdgeType extends GraphEdge, VertexType extends GraphVertex> {

    /**
     * Create a new empty graph (no vertices or edges).
     *
     * @return the new graph
     */
    public GraphType createGraph();

    /**
     * Make a copy of given vertex.
     *
     * @param original
     *            the vertex to copy
     * @return an exact duplicate of the vertex
     */
    public VertexType duplicateVertex(VertexType original);

    /**
     * Copy auxiliary information from one edge to another.
     *
     * @param source
     *            the source edge
     * @param dest
     *            the destination edge
     */
    public void copyEdge(EdgeType source, EdgeType dest);

}