/*

     This file is part of Combean.

     Combean is free software; you can redistribute it and/or modify

     it under the terms of the GNU General Public License as published by

     the Free Software Foundation; either version 2 of the License, or

     (at your option) any later version.

     Combean 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 General Public License for more details.

     You should have received a copy of the GNU General Public License

     along with Combean; if not, write to the Free Software

     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 */

 /*

  * Created on 16.04.2005

  *

  */

 package net.sourceforge.combean.adapters.drasys.graph;

 import java.util.ArrayList;

 import net.sourceforge.combean.interfaces.graph.Edge;

 import net.sourceforge.combean.interfaces.graph.Node;

 import net.sourceforge.combean.interfaces.graph.prop.ConstructableNumberedGraphProp;

 import net.sourceforge.combean.util.except.IllegalParameterException;

 import drasys.or.graph.DuplicateEdgeException;

 import drasys.or.graph.EditI;

 import drasys.or.graph.VertexNotFoundException;

 /**

  * @author schickin

  *

  */

 public class DRAGraphAsConstructableNumberedGraph extends

         DRAGraphWithEditIAsGraph implements ConstructableNumberedGraphProp {

     ArrayList<Edge> allEdges = null;

     /**

      * constructor for an empty graph

      * (uses a standard graph implementation from the OR-Objects library)

      */

     public DRAGraphAsConstructableNumberedGraph() {

         super();

         this.allEdges = new ArrayList<Edge>();

     }

     /**

      * Constructor for wrapping a given EditI graph

      * 

      * @param draGraph the graph to be wrapped (must be empty)

      */

     public DRAGraphAsConstructableNumberedGraph(EditI draGraph) {

         super(draGraph);

         if (draGraph.sizeOfVertices() != 0 || draGraph.sizeOfEdges() != 0) {

             throw new IllegalParameterException("constructor for non-empty EditI-Objects not yet implemented");

         }

         this.allEdges = new ArrayList<Edge>();

     }

     /* (non-Javadoc)

      * @see net.sourceforge.combean.interfaces.graph.GlobalIndexedNodesGraphProp#getNode(int)

      */

     public Node getNode(int index) {

          return convertToNode(getDraGraph().getVertex(new Integer(index)));

     }

     /* (non-Javadoc)

      * @see net.sourceforge.combean.interfaces.graph.GlobalIndexedEdgesGraphProp#getEdge(int)

      */

     public Edge getEdge(int index) {

          return this.allEdges.get(index);

     }

     /* (non-Javadoc)

      * @see net.sourceforge.combean.interfaces.graph.AddEdgeGraphProp#ensureEdgeCapacity(int)

      */

     public void ensureEdgeCapacity(int edgeCapacity) {

          super.ensureEdgeCapacity(edgeCapacity);

          this.allEdges.ensureCapacity(edgeCapacity);

     }

     /* (non-Javadoc)

      * @see net.sourceforge.combean.interfaces.graph.prop.GlobalNumberedNodesGraphProp#getNodeNumber(net.sourceforge.combean.interfaces.graph.Node)

      */

     public int getNodeNumber(Node v) {

         DRAGraphVertexAsNode draVertex = (DRAGraphVertexAsNode) v; 

         return ((Number) draVertex.getVertexI().getKey()).intValue();

     }

     /* (non-Javadoc)

      * @see net.sourceforge.combean.interfaces.graph.prop.GlobalNumberedEdgesGraphProp#getEdgeNumber(net.sourceforge.combean.interfaces.graph.Edge)

      */

     public int getEdgeNumber(Edge e) {

         DRAGraphEdgeAsEdge draEdge = (DRAGraphEdgeAsEdge) e;

         return ((Number) draEdge.getEdgeI().getKey()).intValue();

     }

     /* (non-Javadoc)

      * @see net.sourceforge.combean.adapters.drasys.DRAGraphWithEditIAsGraph#addDraEdge(java.lang.Object, java.lang.Object)

      */

     protected Edge addDraEdge(Object fromKey, Object toKey)

     throws DuplicateEdgeException, VertexNotFoundException {

         Edge result = super.addDraEdge(fromKey, toKey);

         this.allEdges.add(result);

         return result;

     }

     /* (non-Javadoc)

      * @see net.sourceforge.combean.adapters.drasys.DRAGraphWithEditIAsGraph#getNewEdgeKey()

      */

     protected Object getNewEdgeKey() {

         return new Integer(getNumEdges());

     }

     /* (non-Javadoc)

      * @see net.sourceforge.combean.adapters.drasys.DRAGraphWithAddVertexIAsGraph#getNewNodeKey()

      */

     protected Object getNewNodeKey() {

         return new Integer(getNumNodes());

     }

 }