/*

     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 11.01.2005

  *

  */

 package net.sourceforge.combean.samples.simplegraphs;

 import net.sourceforge.combean.graph.NumberNode;

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

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

 /**

  * An iterator through a sequence of NumberNodes with consecutive numbers.

  * 

  * @author schickin

  *

  */

 public class NumberNodeIterator implements NodeIterator {

         int from;

         int to;

         int curr;

         /**

          * Generate an iterator through a consecutive range of numbered nodes

          * 

          * @param from

          * @param to

          */

         public NumberNodeIterator(int from, int to) {

                 super();

                 this.from = from;

                 this.to = to;

                 this.curr = from-1;

         }

         /**

          * @see net.sourceforge.combean.interfaces.graph.NodeIterator#hasNext()

          */

         public boolean hasNext() {

                 return this.curr < this.to;

         }

         /**

          * @see net.sourceforge.combean.interfaces.graph.NodeIterator#next()

          */

         public Node next() {

                 return new NumberNode(++this.curr);

         }

 }