svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_dal / src / org / gvsig / fmap / dal / feature / impl / FeatureTypeManager.java @ 36233
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| 1 | 24143 | vcaballero | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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| 2 | *
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| 3 | * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.
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| 4 | *
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| 5 | * This program is free software; you can redistribute it and/or
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| 6 | * modify it under the terms of the GNU General Public License
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| 7 | * as published by the Free Software Foundation; either version 2
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| 8 | * of the License, or (at your option) any later version.
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| 9 | *
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| 10 | * This program is distributed in the hope that it will be useful,
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | * GNU General Public License for more details.
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| 14 | *
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| 15 | * You should have received a copy of the GNU General Public License
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| 16 | * along with this program; if not, write to the Free Software
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| 17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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| 18 | *
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| 19 | * For more information, contact:
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| 20 | *
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| 21 | * Generalitat Valenciana
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| 22 | * Conselleria d'Infraestructures i Transport
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| 23 | * Av. Blasco Ib??ez, 50
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| 24 | * 46010 VALENCIA
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| 25 | * SPAIN
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| 26 | *
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| 27 | * +34 963862235
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| 28 | * gvsig@gva.es
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| 29 | * www.gvsig.gva.es
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| 30 | *
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| 31 | * or
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| 32 | *
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| 33 | * IVER T.I. S.A
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| 34 | * Salamanca 50
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| 35 | * 46005 Valencia
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| 36 | * Spain
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| 37 | *
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| 38 | * +34 963163400
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| 39 | * dac@iver.es
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| 40 | */
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| 41 | |||
| 42 | 24496 | jmvivo | package org.gvsig.fmap.dal.feature.impl; |
| 43 | 24143 | vcaballero | |
| 44 | 26252 | jmvivo | import java.lang.ref.WeakReference; |
| 45 | 24143 | vcaballero | import java.util.ArrayList; |
| 46 | 26252 | jmvivo | import java.util.Arrays; |
| 47 | 24143 | vcaballero | import java.util.HashMap; |
| 48 | import java.util.Iterator; |
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| 49 | 26252 | jmvivo | import java.util.List; |
| 50 | 24143 | vcaballero | |
| 51 | 24505 | jmvivo | import org.gvsig.fmap.dal.exception.DataException; |
| 52 | 26252 | jmvivo | import org.gvsig.fmap.dal.feature.EditableFeature; |
| 53 | import org.gvsig.fmap.dal.feature.EditableFeatureType; |
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| 54 | import org.gvsig.fmap.dal.feature.Feature; |
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| 55 | import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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| 56 | import org.gvsig.fmap.dal.feature.FeatureStore; |
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| 57 | import org.gvsig.fmap.dal.feature.FeatureStoreTransform; |
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| 58 | 24496 | jmvivo | import org.gvsig.fmap.dal.feature.FeatureType; |
| 59 | import org.gvsig.fmap.dal.feature.impl.expansionadapter.ExpansionAdapter; |
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| 60 | 29289 | jmvivo | import org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider.FeatureTypeChanged; |
| 61 | 26252 | jmvivo | import org.gvsig.tools.persistence.PersistentState; |
| 62 | 32880 | jjdelcerro | import org.gvsig.tools.persistence.exception.PersistenceException; |
| 63 | 24143 | vcaballero | |
| 64 | /**
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| 65 | * DOCUMENT ME!
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| 66 | *
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| 67 | * @author Vicente Caballero Navarro
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| 68 | */
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| 69 | public class FeatureTypeManager { |
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| 70 | 26252 | jmvivo | private ExpansionAdapter expansionAdapter;
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| 71 | private ArrayList deleted = new ArrayList();// <FeatureID> |
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| 72 | private int deltaSize = 0; |
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| 73 | private HashMap added = new HashMap(); |
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| 74 | private HashMap modifiedFromOriginal = new HashMap(); |
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| 75 | private FeatureType originalType = null; |
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| 76 | private boolean first = true; |
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| 77 | private FeatureTypeManagerFeatureStoreTransforms transforms;
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| 78 | private FeatureStore store;
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| 79 | 24143 | vcaballero | |
| 80 | 26252 | jmvivo | public FeatureTypeManager(FeatureStore store,
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| 81 | ExpansionAdapter expansionAdapter) {
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| 82 | this.expansionAdapter = expansionAdapter;
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| 83 | this.store = store;
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| 84 | this.transforms = new FeatureTypeManagerFeatureStoreTransforms(); |
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| 85 | this.transforms.setFeatureStore(store);
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| 86 | } |
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| 87 | 24143 | vcaballero | |
| 88 | 26252 | jmvivo | public void dispose() { |
| 89 | this.expansionAdapter.close();
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| 90 | this.expansionAdapter = null; |
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| 91 | this.deleted.clear();
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| 92 | this.deleted = null; |
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| 93 | this.transforms.clear();
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| 94 | } |
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| 95 | 24143 | vcaballero | |
| 96 | 26252 | jmvivo | // public FeatureType delete(String id) {
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| 97 | // deleted.add(id);
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| 98 | // FeatureType type=(FeatureType)added.remove(id);
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| 99 | // if (type==null) {
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| 100 | // type=(FeatureType)modifiedFromOriginal.remove(id);
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| 101 | // }
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| 102 | // deltaSize--;
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| 103 | // return type;
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| 104 | // }
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| 105 | 24143 | vcaballero | |
| 106 | 26252 | jmvivo | /**
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| 107 | * DOCUMENT ME!
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| 108 | *
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| 109 | * @param feature
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| 110 | * DOCUMENT ME!
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| 111 | */
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| 112 | // public void add(FeatureType type) {
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| 113 | // int pos = expansionAdapter.addObject(type);
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| 114 | // added.put(type.getId(),new Integer(pos));
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| 115 | // deltaSize++;
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| 116 | // }
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| 117 | /**
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| 118 | * DOCUMENT ME!
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| 119 | *
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| 120 | * @param id
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| 121 | * DOCUMENT ME!
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| 122 | */
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| 123 | // public void deleteLastFeatureType() {
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| 124 | // expansionAdapter.deleteLastObject();
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| 125 | // FeatureType
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| 126 | // type=(FeatureType)expansionAdapter.getObject(expansionAdapter.getSize()-1);
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| 127 | // added.remove(type.getId());
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| 128 | // modifiedFromOriginal.remove(type.getId());
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| 129 | // deltaSize--;
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| 130 | // }
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| 131 | /**
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| 132 | * DOCUMENT ME!
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| 133 | *
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| 134 | * @param id
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| 135 | * DOCUMENT ME!
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| 136 | *
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| 137 | * @return DOCUMENT ME!
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| 138 | * @throws IsNotFeatureSettingException
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| 139 | */
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| 140 | public FeatureType getType(String id) throws DataException { |
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| 141 | Integer intNum = ((Integer) added.get(id)); |
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| 142 | if (intNum == null) { |
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| 143 | intNum = ((Integer) modifiedFromOriginal.get(id));
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| 144 | if (intNum == null) { |
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| 145 | return null; |
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| 146 | } |
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| 147 | } |
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| 148 | int num = intNum.intValue();
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| 149 | 24143 | vcaballero | |
| 150 | 26252 | jmvivo | FeatureType type = (FeatureType) expansionAdapter.getObject(num); |
| 151 | return type;
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| 152 | } |
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| 153 | 24143 | vcaballero | |
| 154 | 26252 | jmvivo | /**
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| 155 | * DOCUMENT ME!
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| 156 | *
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| 157 | * @param feature
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| 158 | * DOCUMENT ME!
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| 159 | * @param oldFeature
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| 160 | * DOCUMENT ME!
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| 161 | * @throws DataException
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| 162 | */
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| 163 | public int update(FeatureType type, FeatureType oldType) { |
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| 164 | // deleted.add(oldType.getId());
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| 165 | if (first) {
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| 166 | originalType = oldType; |
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| 167 | first = false;
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| 168 | } |
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| 169 | int oldNum = -1; |
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| 170 | int num = expansionAdapter.addObject(type);
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| 171 | String id = type.getId();
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| 172 | 24143 | vcaballero | |
| 173 | 26252 | jmvivo | if (added.containsKey(id)) {
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| 174 | oldNum = ((Integer) added.get(id)).intValue();
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| 175 | added.put(id, new Integer(num)); |
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| 176 | } else {
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| 177 | if (modifiedFromOriginal.get(id) != null) { |
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| 178 | oldNum = ((Integer) modifiedFromOriginal.get(id)).intValue();
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| 179 | } |
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| 180 | modifiedFromOriginal.put(id, new Integer(num)); |
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| 181 | } |
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| 182 | |||
| 183 | try {
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| 184 | this.transforms.add(new UpdateFeatureTypeTransform(this.store, |
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| 185 | type, oldType)); |
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| 186 | } catch (DataException e) {
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| 187 | throw new RuntimeException(); // FIXME (pero esto no deberia de |
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| 188 | // pasar nunca)
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| 189 | } |
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| 190 | return oldNum;
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| 191 | } |
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| 192 | |||
| 193 | 26359 | jmvivo | private class UpdateFeatureTypeTransform implements FeatureStoreTransform { |
| 194 | 26252 | jmvivo | private FeatureType ftSource;
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| 195 | private FeatureType ftTarget;
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| 196 | private WeakReference wkRefStore; |
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| 197 | private List ftypes = null; |
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| 198 | private List attrToUse; |
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| 199 | |||
| 200 | 26359 | jmvivo | UpdateFeatureTypeTransform(FeatureStore featureStore, |
| 201 | 26252 | jmvivo | FeatureType ftSource, FeatureType ftTarget) {
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| 202 | this.ftSource = ftSource;
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| 203 | this.ftTarget = ftTarget;
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| 204 | this.wkRefStore = new WeakReference(featureStore); |
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| 205 | this.initializeAttributesToUse();
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| 206 | } |
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| 207 | |||
| 208 | 35739 | nfrancisco | public String getDescription() { |
| 209 | //TODO
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| 210 | return ""; |
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| 211 | } |
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| 212 | |||
| 213 | public String getName() { |
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| 214 | //TODO
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| 215 | return ""; |
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| 216 | } |
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| 217 | |||
| 218 | 26252 | jmvivo | private void initializeAttributesToUse() { |
| 219 | attrToUse = new ArrayList(ftTarget.size()); |
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| 220 | Iterator iter = ftTarget.iterator();
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| 221 | FeatureAttributeDescriptor tAttr, sAttr; |
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| 222 | while (iter.hasNext()) {
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| 223 | tAttr = (FeatureAttributeDescriptor) iter.next(); |
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| 224 | sAttr = this.ftSource.getAttributeDescriptor(tAttr.getName());
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| 225 | 26359 | jmvivo | if (sAttr == null) { |
| 226 | 26252 | jmvivo | continue;
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| 227 | } |
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| 228 | 26359 | jmvivo | if (tAttr.getDataType() != sAttr.getDataType()) {
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| 229 | 26252 | jmvivo | continue;
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| 230 | } |
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| 231 | attrToUse.add(tAttr.getName()); |
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| 232 | |||
| 233 | } |
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| 234 | |||
| 235 | } |
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| 236 | |||
| 237 | public void applyTransform(Feature source, EditableFeature target) |
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| 238 | throws DataException {
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| 239 | Iterator iter = target.getType().iterator();
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| 240 | FeatureAttributeDescriptor tAttr; |
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| 241 | String name;
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| 242 | while (iter.hasNext()) {
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| 243 | tAttr = (FeatureAttributeDescriptor) iter.next(); |
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| 244 | name = tAttr.getName(); |
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| 245 | if (this.attrToUse.contains(name)) { |
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| 246 | target.set(name, source.get(name)); |
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| 247 | } else {
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| 248 | target.set(name, tAttr.getDefaultValue()); |
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| 249 | } |
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| 250 | } |
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| 251 | } |
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| 252 | |||
| 253 | public FeatureType getDefaultFeatureType() throws DataException { |
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| 254 | return this.ftTarget; |
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| 255 | } |
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| 256 | |||
| 257 | public FeatureStore getFeatureStore() {
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| 258 | return (FeatureStore) this.wkRefStore.get(); |
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| 259 | } |
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| 260 | |||
| 261 | public List getFeatureTypes() throws DataException { |
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| 262 | if (this.ftypes == null) { |
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| 263 | this.ftypes = Arrays |
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| 264 | .asList(new FeatureType[] { this.ftTarget }); |
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| 265 | } |
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| 266 | return this.ftypes; |
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| 267 | } |
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| 268 | |||
| 269 | public FeatureType getSourceFeatureTypeFrom(
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| 270 | FeatureType targetFeatureType) {
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| 271 | EditableFeatureType orgType = ftSource.getEditable(); |
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| 272 | Iterator iter = orgType.iterator();
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| 273 | FeatureAttributeDescriptor attr; |
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| 274 | |||
| 275 | while (iter.hasNext()) {
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| 276 | attr = (FeatureAttributeDescriptor) iter.next(); |
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| 277 | if (!attrToUse.contains(attr.getName())) {
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| 278 | iter.remove(); |
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| 279 | } |
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| 280 | } |
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| 281 | |||
| 282 | return orgType.getNotEditableCopy();
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| 283 | } |
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| 284 | |||
| 285 | public void setFeatureStore(FeatureStore featureStore) { |
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| 286 | this.wkRefStore = new WeakReference(featureStore); |
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| 287 | } |
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| 288 | |||
| 289 | public PersistentState getState() throws PersistenceException { |
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| 290 | // FIXME
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| 291 | throw new UnsupportedOperationException(); |
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| 292 | } |
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| 293 | |||
| 294 | 28076 | cmartinez | public void saveToState(PersistentState state) |
| 295 | 26252 | jmvivo | throws PersistenceException {
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| 296 | // FIXME
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| 297 | throw new UnsupportedOperationException(); |
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| 298 | } |
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| 299 | |||
| 300 | 28474 | cmartinez | public void loadFromState(PersistentState state) throws PersistenceException { |
| 301 | 26252 | jmvivo | // FIXME
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| 302 | throw new UnsupportedOperationException(); |
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| 303 | } |
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| 304 | |||
| 305 | 26359 | jmvivo | public boolean isTransformsOriginalValues() { |
| 306 | return false; |
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| 307 | } |
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| 308 | |||
| 309 | 26252 | jmvivo | } |
| 310 | |||
| 311 | 24143 | vcaballero | /**
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| 312 | 26252 | jmvivo | * DOCUMENT ME!
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| 313 | *
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| 314 | * @param id
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| 315 | * DOCUMENT ME!
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| 316 | */
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| 317 | public void restore(String id) { |
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| 318 | deleted.remove(id); |
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| 319 | deltaSize++; |
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| 320 | } |
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| 321 | 24143 | vcaballero | |
| 322 | 26252 | jmvivo | public void restore(String id, int num) { |
| 323 | if (added.containsKey(id)) {
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| 324 | added.put(id, new Integer(num)); |
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| 325 | } else {
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| 326 | modifiedFromOriginal.put(id, new Integer(num)); |
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| 327 | } |
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| 328 | } |
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| 329 | 24143 | vcaballero | |
| 330 | 26252 | jmvivo | public boolean isDeleted(FeatureType type) { |
| 331 | return deleted.contains(type.getId());
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| 332 | } |
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| 333 | 24143 | vcaballero | |
| 334 | 26252 | jmvivo | public boolean isDeleted(String id) { |
| 335 | 24143 | vcaballero | return deleted.contains(id);
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| 336 | } |
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| 337 | |||
| 338 | public void clear() { |
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| 339 | added.clear(); |
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| 340 | modifiedFromOriginal.clear(); |
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| 341 | 26252 | jmvivo | expansionAdapter.close(); |
| 342 | deleted.clear();// <FeatureID>
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| 343 | deltaSize = 0;
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| 344 | 24143 | vcaballero | } |
| 345 | |||
| 346 | public boolean hasChanges() { |
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| 347 | 26252 | jmvivo | return added.size() > 0 || modifiedFromOriginal.size() > 0 |
| 348 | || deleted.size() > 0;
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| 349 | 24143 | vcaballero | } |
| 350 | |||
| 351 | public Iterator newsIterator() { |
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| 352 | return added.values().iterator();
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| 353 | } |
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| 354 | |||
| 355 | public boolean hasNews() { |
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| 356 | return !added.isEmpty();
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| 357 | } |
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| 358 | |||
| 359 | public long getDeltaSize() { |
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| 360 | return deltaSize;
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| 361 | } |
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| 362 | 26000 | vcaballero | |
| 363 | public FeatureType getOriginalFeatureType() {
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| 364 | return originalType;
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| 365 | } |
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| 366 | 26252 | jmvivo | |
| 367 | public DefaultFeatureStoreTransforms getTransforms() {
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| 368 | return this.transforms; |
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| 369 | } |
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| 370 | |||
| 371 | 26359 | jmvivo | public class FeatureTypeManagerFeatureStoreTransforms extends |
| 372 | 26252 | jmvivo | DefaultFeatureStoreTransforms {
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| 373 | |||
| 374 | 26359 | jmvivo | private FeatureTypeManagerFeatureStoreTransforms() {
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| 375 | |||
| 376 | } |
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| 377 | |||
| 378 | 26252 | jmvivo | protected void checkEditingMode() { |
| 379 | return;
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| 380 | } |
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| 381 | |||
| 382 | protected void notifyChangeToStore() { |
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| 383 | return;
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| 384 | } |
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| 385 | |||
| 386 | public PersistentState getState() throws PersistenceException { |
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| 387 | // FIXME
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| 388 | throw new UnsupportedOperationException(); |
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| 389 | } |
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| 390 | |||
| 391 | public void loadState(PersistentState state) |
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| 392 | throws PersistenceException {
|
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| 393 | // FIXME
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| 394 | throw new UnsupportedOperationException(); |
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| 395 | } |
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| 396 | |||
| 397 | 28482 | cmartinez | public void loadFromState(PersistentState state) throws PersistenceException { |
| 398 | 26252 | jmvivo | // FIXME
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| 399 | throw new UnsupportedOperationException(); |
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| 400 | } |
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| 401 | |||
| 402 | 26359 | jmvivo | public FeatureStoreTransform add(FeatureStoreTransform transform)
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| 403 | throws DataException {
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| 404 | if (!(transform instanceof UpdateFeatureTypeTransform)) { |
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| 405 | // FIXME
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| 406 | throw new IllegalArgumentException(); |
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| 407 | } |
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| 408 | return super.add(transform); |
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| 409 | } |
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| 410 | |||
| 411 | 26252 | jmvivo | } |
| 412 | 28098 | jmvivo | |
| 413 | 29289 | jmvivo | public class FeatureTypesChangedItem implements FeatureTypeChanged { |
| 414 | |||
| 415 | private FeatureType source;
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| 416 | private FeatureType target;
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| 417 | |||
| 418 | public FeatureTypesChangedItem(FeatureType source, FeatureType target) {
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| 419 | this.source = source;
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| 420 | this.target = target;
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| 421 | } |
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| 422 | |||
| 423 | public FeatureType getSource() {
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| 424 | return source;
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| 425 | } |
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| 426 | |||
| 427 | public FeatureType getTarget() {
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| 428 | return target;
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| 429 | } |
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| 430 | |||
| 431 | } |
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| 432 | |||
| 433 | public Iterator getFeatureTypesChanged() throws DataException { |
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| 434 | 28098 | jmvivo | // FIXME this don't work for Store.fType.size() > 1
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| 435 | List list = new ArrayList(); |
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| 436 | if (modifiedFromOriginal.size() > 0) { |
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| 437 | 29289 | jmvivo | FeatureType src = this.getOriginalFeatureType();
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| 438 | list.add(new FeatureTypesChangedItem(src, this.store |
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| 439 | .getFeatureType(src.getId()))); |
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| 440 | 28098 | jmvivo | } |
| 441 | return list.iterator();
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| 442 | } |
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| 443 | 29289 | jmvivo | |
| 444 | 24143 | vcaballero | } |