| gvSIG desktop 1

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

 *

 * This program 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.

 *

 * This program 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 this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package org.gvsig.data.vectorial.expansionadapter;

import java.util.ArrayList;

import java.util.HashMap;

/**

 * Implementaci?n en memoria de ExpansionAdapter.

 *

 * @author Vicente Caballero Navarro

 */

public class MemoryExpansionAdapter implements IExpansionAdapter {

        private ArrayList objects = new ArrayList();

        public MemoryExpansionAdapter(){

        }

        /* (non-Javadoc)

         * @see org.gvsig.data.vectorial.expansionadapter.ExpansionAdapter#addFeature(org.gvsig.data.vectorial.IFeature)

         */

        public int addObject(Object obj) {

//                IFeature feature=(IFeature)obj;

                int newIndex = objects.size();

                objects.add(obj);

                return newIndex;

        }

        /* (non-Javadoc)

         * @see org.gvsig.data.vectorial.expansionadapter.ExpansionAdapter#modifyFeature(int, org.gvsig.data.vectorial.IFeature)

         */

        public int updateObject(Object obj) {

//                IFeature feature=(IFeature)obj;

                objects.add(obj);

                return objects.size() - 1;

        }

        /* (non-Javadoc)

         * @see org.gvsig.data.vectorial.expansionadapter.ExpansionAdapter#getFeature(int)

         */

        public Object getObject(int index){

                return objects.get(index);

        }

        /* (non-Javadoc)

         * @see org.gvsig.data.vectorial.expansionadapter.ExpansionAdapter#compact(java.util.HashMap)

         */

        public void compact(HashMap relations) {

        }

        /* (non-Javadoc)

         * @see org.gvsig.data.vectorial.expansionadapter.ExpansionAdapter#deleteLastFeature()

         */

        public void deleteLastObject() {

                objects.remove(objects.size()-1);

        }

        /* (non-Javadoc)

         * @see org.gvsig.data.vectorial.expansionadapter.ExpansionAdapter#open()

         */

        public void open() {

                // TODO Auto-generated method stub

        }

        /* (non-Javadoc)

         * @see org.gvsig.data.vectorial.expansionadapter.ExpansionAdapter#close()

         */

        public void close() {

                objects.clear();

                System.gc();

        }

        /* (non-Javadoc)

         * @see org.gvsig.data.vectorial.expansionadapter.ExpansionAdapter#getSize()

         */

        public int getSize() {

                return objects.size();

        }

}