svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_data / src / org / gvsig / fmap / data / feature / impl / FeatureTypeManager.java @ 24181
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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) 2005 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.data.feature.impl; |
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import java.util.ArrayList; |
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import java.util.HashMap; |
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import java.util.Iterator; |
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import org.gvsig.fmap.data.exceptions.DataException; |
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import org.gvsig.fmap.data.feature.FeatureType; |
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import org.gvsig.fmap.data.feature.impl.expansionadapter.ExpansionAdapter; |
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/**
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* DOCUMENT ME!
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*
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* @author Vicente Caballero Navarro
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*/
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public class FeatureTypeManager { |
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private ExpansionAdapter expansionAdapter;
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private ArrayList deleted = new ArrayList();//<FeatureID> |
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private int deltaSize=0; |
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private HashMap added=new HashMap(); |
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private HashMap modifiedFromOriginal=new HashMap(); |
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public FeatureTypeManager(ExpansionAdapter expansionAdapter){
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this.expansionAdapter=expansionAdapter;
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} |
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public FeatureType delete(String id) { |
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deleted.add(id); |
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FeatureType type=(FeatureType)added.remove(id); |
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if (type==null) { |
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type=(FeatureType)modifiedFromOriginal.remove(id); |
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} |
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deltaSize--; |
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return type;
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} |
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/**
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* DOCUMENT ME!
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*
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* @param feature DOCUMENT ME!
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*/
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public void add(FeatureType type) { |
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int pos = expansionAdapter.addObject(type);
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added.put(type.getId(),new Integer(pos)); |
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deltaSize++; |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param id DOCUMENT ME!
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*/
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public void deleteLastFeature() { |
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expansionAdapter.deleteLastObject(); |
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FeatureType type=(FeatureType)expansionAdapter.getObject(expansionAdapter.getSize()-1);
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added.remove(type.getId()); |
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modifiedFromOriginal.remove(type.getId()); |
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deltaSize--; |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param id DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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* @throws IsNotFeatureSettingException
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*/
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public FeatureType getType(String id) throws DataException { |
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Integer intNum =((Integer) added.get(id)); |
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if (intNum == null){ |
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intNum =((Integer) modifiedFromOriginal.get(id));
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if (intNum == null){ |
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return null; |
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} |
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} |
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int num = intNum.intValue();
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FeatureType type=(FeatureType)expansionAdapter.getObject(num); |
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return type;
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} |
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/**
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* DOCUMENT ME!
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*
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* @param feature DOCUMENT ME!
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* @param oldFeature DOCUMENT ME!
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*/
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public int update(FeatureType type, FeatureType oldType) { |
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// deleted.add(oldType.getId());
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int oldNum=-1; |
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int num = expansionAdapter.addObject(type);
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String id=type.getId();
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if (added.containsKey(id)){
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oldNum=((Integer)added.get(id)).intValue();
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added.put(id,new Integer(num)); |
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}else{
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oldNum=((Integer)modifiedFromOriginal.get(id)).intValue();
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modifiedFromOriginal.put(id,new Integer(num)); |
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} |
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return oldNum;
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} |
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/**
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* DOCUMENT ME!
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*
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* @param id DOCUMENT ME!
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*/
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public void restore(String id) { |
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deleted.remove(id); |
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deltaSize++; |
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} |
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public void restore(String id,int num){ |
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if (added.containsKey(id)){
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added.put(id,new Integer(num)); |
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}else{
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modifiedFromOriginal.put(id,new Integer(num)); |
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} |
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} |
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public boolean isDeleted(FeatureType type){ |
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return deleted.contains(type.getId());
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} |
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public boolean isDeleted(String id) { |
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return deleted.contains(id);
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} |
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public void clear() { |
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added.clear(); |
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modifiedFromOriginal.clear(); |
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expansionAdapter.close(); |
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deleted.clear();//<FeatureID>
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deltaSize=0;
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} |
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public boolean hasChanges() { |
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return added.size()>0 || modifiedFromOriginal.size() > 0 || deleted.size() > 0; |
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} |
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public Iterator newsIterator() { |
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return added.values().iterator();
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} |
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public boolean hasNews() { |
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return !added.isEmpty();
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} |
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public long getDeltaSize() { |
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return deltaSize;
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} |
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} |
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