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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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 *
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 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2
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 * of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.
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 *
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 * For more information, contact:
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 *
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 *  Generalitat Valenciana
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 *   Conselleria d'Infraestructures i Transport
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 *   Av. Blasco Ib??ez, 50
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 *   46010 VALENCIA
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 *   SPAIN
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 *
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 *      +34 963862235
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 *   gvsig@gva.es
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 *      www.gvsig.gva.es
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 *
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 *    or
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 *
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 *   IVER T.I. S.A
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 *   Salamanca 50
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 *   46005 Valencia
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 *   Spain
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 *
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 *   +34 963163400
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 *   dac@iver.es
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 */
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package org.gvsig.fmap.dal.feature.impl.expansionadapter;
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import java.util.ArrayList;
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import java.util.HashMap;
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/**
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 * Implementaci?n en memoria de ExpansionAdapter.
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 *
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 * @author Vicente Caballero Navarro
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 */
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public class MemoryExpansionAdapter implements ExpansionAdapter {
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        private ArrayList objects = new ArrayList();
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        public MemoryExpansionAdapter(){
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        }
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        /* (non-Javadoc)
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         * @see org.gvsig.fmap.dal.feature.expansionadapter.ExpansionAdapter#addFeature(org.gvsig.fmap.dal.feature.Feature)
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         */
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        public int addObject(Object obj) {
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//                Feature feature=(Feature)obj;
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                int newIndex = objects.size();
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                objects.add(obj);
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                return newIndex;
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        }
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//        /* (non-Javadoc)
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//         * @see org.gvsig.fmap.dal.feature.expansionadapter.ExpansionAdapter#modifyFeature(int, org.gvsig.fmap.dal.feature.Feature)
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//         */
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//        public int updateObject(Object obj) {
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////                Feature feature=(Feature)obj;
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//                objects.add(obj);
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//                return objects.size() - 1;
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//        }
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        /* (non-Javadoc)
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         * @see org.gvsig.fmap.dal.feature.expansionadapter.ExpansionAdapter#getFeature(int)
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         */
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        public Object getObject(int index){
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                return objects.get(index);
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        }
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        /* (non-Javadoc)
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         * @see org.gvsig.fmap.dal.feature.expansionadapter.ExpansionAdapter#compact(java.util.HashMap)
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         */
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        public void compact(HashMap relations) {
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        }
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        /* (non-Javadoc)
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         * @see org.gvsig.fmap.dal.feature.expansionadapter.ExpansionAdapter#deleteLastFeature()
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         */
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        public void deleteLastObject() {
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                objects.remove(objects.size()-1);
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        }
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        /* (non-Javadoc)
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         * @see org.gvsig.fmap.dal.feature.expansionadapter.ExpansionAdapter#open()
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         */
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        public void open() {
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                // TODO Auto-generated method stub
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        }
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        /* (non-Javadoc)
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         * @see org.gvsig.fmap.dal.feature.expansionadapter.ExpansionAdapter#close()
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         */
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        public void close() {
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                objects.clear();
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                System.gc();
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        }
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        /* (non-Javadoc)
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         * @see org.gvsig.fmap.dal.feature.expansionadapter.ExpansionAdapter#getSize()
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         */
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        public int getSize() {
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                return objects.size();
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        }
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}