root / trunk / libraries / libDataSource / src / org / gvsig / data / vectorial / AbstractFeatureStore.java @ 20469
History | View | Annotate | Download (12.4 KB)
| 1 |
package org.gvsig.data.vectorial; |
|---|---|
| 2 |
|
| 3 |
import java.lang.ref.Reference; |
| 4 |
import java.util.Iterator; |
| 5 |
|
| 6 |
import org.gvsig.data.ComplexObservable; |
| 7 |
import org.gvsig.data.IDataCollection; |
| 8 |
import org.gvsig.data.IDataStoreParameters; |
| 9 |
import org.gvsig.data.IObservable; |
| 10 |
import org.gvsig.data.IObserver; |
| 11 |
import org.gvsig.data.commands.ICommand; |
| 12 |
import org.gvsig.data.commands.ICommandsRecord; |
| 13 |
import org.gvsig.data.commands.implementation.FeatureCommandsRecord; |
| 14 |
import org.gvsig.data.exception.InitializeException; |
| 15 |
import org.gvsig.data.exception.OpenException; |
| 16 |
import org.gvsig.data.exception.ReadException; |
| 17 |
import org.gvsig.data.exception.WriteException; |
| 18 |
import org.gvsig.data.vectorial.expansionadapter.IExpansionAdapter; |
| 19 |
import org.gvsig.data.vectorial.expansionadapter.MemoryExpansionAdapter; |
| 20 |
|
| 21 |
|
| 22 |
public abstract class AbstractFeatureStore implements IFeatureStore { |
| 23 |
|
| 24 |
protected IDataStoreParameters parameters;
|
| 25 |
protected IDataCollection selection;
|
| 26 |
protected ICommandsRecord commands;
|
| 27 |
protected boolean alterMode = false; |
| 28 |
protected ComplexObservable observable=new ComplexObservable(); |
| 29 |
protected IDataCollection locked;
|
| 30 |
|
| 31 |
protected FeatureManager featureManager;
|
| 32 |
protected SpatialManager spatialManager;
|
| 33 |
protected AttributeManager attributeManager;
|
| 34 |
|
| 35 |
|
| 36 |
public void init(IDataStoreParameters parameters) throws InitializeException { |
| 37 |
this.parameters = parameters;
|
| 38 |
|
| 39 |
} |
| 40 |
|
| 41 |
protected void initSpatialManager(){ |
| 42 |
spatialManager=new SpatialManager();
|
| 43 |
} |
| 44 |
|
| 45 |
protected void initAttributeManager() { |
| 46 |
IExpansionAdapter expansionAttributeAdapter=new MemoryExpansionAdapter();
|
| 47 |
attributeManager=new AttributeManager(expansionAttributeAdapter,getDefaultFeatureType());
|
| 48 |
|
| 49 |
} |
| 50 |
|
| 51 |
protected void initExpansionManager() { |
| 52 |
IExpansionAdapter expansionFeatureAdapter=new MemoryExpansionAdapter();
|
| 53 |
featureManager=new FeatureManager(expansionFeatureAdapter);
|
| 54 |
} |
| 55 |
|
| 56 |
public IDataCollection getDataCollection() throws ReadException { |
| 57 |
return getDataCollection(null, null, null); |
| 58 |
} |
| 59 |
|
| 60 |
public void getDataCollection(IObserver observer) { |
| 61 |
getDataCollection(null, null, null,observer); |
| 62 |
} |
| 63 |
|
| 64 |
public void setSelection(IDataCollection selection) { |
| 65 |
this.observable.notifyObservers(
|
| 66 |
new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_SELECTIONCHANGE) |
| 67 |
); |
| 68 |
this.selection = selection;
|
| 69 |
this.observable.notifyObservers(
|
| 70 |
new FeatureStoreNotification(this,FeatureStoreNotification.AFTER_SELECTIONCHANGE) |
| 71 |
); |
| 72 |
|
| 73 |
} |
| 74 |
|
| 75 |
public IDataCollection createSelection() {
|
| 76 |
|
| 77 |
MemoryFeatureCollection selection = new MemoryFeatureCollection();
|
| 78 |
return selection;
|
| 79 |
} |
| 80 |
|
| 81 |
public IDataCollection getSelection() {
|
| 82 |
if( selection == null ){ |
| 83 |
selection = createSelection(); |
| 84 |
} |
| 85 |
return selection;
|
| 86 |
} |
| 87 |
|
| 88 |
public IDataCollection createLocked() {
|
| 89 |
MemoryFeatureCollection locked = new MemoryFeatureCollection();
|
| 90 |
return locked;
|
| 91 |
} |
| 92 |
|
| 93 |
public IDataCollection getLocked() {
|
| 94 |
if( locked == null ){ |
| 95 |
locked = createLocked(); |
| 96 |
} |
| 97 |
return locked;
|
| 98 |
} |
| 99 |
|
| 100 |
public void setLocked(IDataCollection locked) { |
| 101 |
this.observable.notifyObservers(
|
| 102 |
new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_LOCKEDCHANGE) |
| 103 |
); |
| 104 |
this.locked = locked;
|
| 105 |
this.observable.notifyObservers(
|
| 106 |
new FeatureStoreNotification(this,FeatureStoreNotification.AFTER_LOCKEDCHANGE) |
| 107 |
); |
| 108 |
|
| 109 |
} |
| 110 |
public boolean isLocked(IFeatureID id) { |
| 111 |
return locked.contains(id);
|
| 112 |
} |
| 113 |
|
| 114 |
public boolean lock(IFeatureID id) { |
| 115 |
this.observable.notifyObservers(
|
| 116 |
new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_LOCKEDCHANGE) |
| 117 |
); |
| 118 |
locked.add(id); |
| 119 |
this.observable.notifyObservers(
|
| 120 |
new FeatureStoreNotification(this,FeatureStoreNotification.AFTER_LOCKEDCHANGE) |
| 121 |
); |
| 122 |
return true; |
| 123 |
} |
| 124 |
|
| 125 |
|
| 126 |
public void startEditing() throws ReadException { |
| 127 |
if (!this.isEditable()) { |
| 128 |
throw new ReadException("AbstractFeatureStore", |
| 129 |
new UnsupportedOperationException("Not editable")); |
| 130 |
} |
| 131 |
this.observable.notifyObservers(
|
| 132 |
new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_STARTEDITING) |
| 133 |
); |
| 134 |
// commands.clear();
|
| 135 |
initExpansionManager(); |
| 136 |
initSpatialManager(); |
| 137 |
initAttributeManager(); |
| 138 |
commands = new FeatureCommandsRecord(featureManager, spatialManager, attributeManager);
|
| 139 |
|
| 140 |
|
| 141 |
alterMode = true;
|
| 142 |
this.observable.notifyObservers(
|
| 143 |
new FeatureStoreNotification(this,FeatureStoreNotification.AFTER_STARTEDITING) |
| 144 |
); |
| 145 |
|
| 146 |
} |
| 147 |
|
| 148 |
|
| 149 |
public void delete(IFeatureAttributeDescriptor attributeDescriptor) { |
| 150 |
if( !alterMode ) {
|
| 151 |
throw new RuntimeException("alterMode is false"); |
| 152 |
} |
| 153 |
this.observable.notifyObservers(
|
| 154 |
new AttributeStoreNotification(this,AttributeStoreNotification.BEFORE_DELETE_ATTRIBUTE,attributeDescriptor) |
| 155 |
); |
| 156 |
commands.delete(attributeDescriptor); |
| 157 |
this.observable.notifyObservers(
|
| 158 |
new AttributeStoreNotification(this,AttributeStoreNotification.AFTER_DELETE_ATTRIBUTE,attributeDescriptor) |
| 159 |
); |
| 160 |
|
| 161 |
|
| 162 |
} |
| 163 |
|
| 164 |
public void insert(IFeatureAttributeDescriptor attributeDescriptor) { |
| 165 |
if( !alterMode ) {
|
| 166 |
throw new RuntimeException("alterMode is false"); |
| 167 |
} |
| 168 |
// attributeDescriptor.validateModification(this);
|
| 169 |
this.observable.notifyObservers(
|
| 170 |
new AttributeStoreNotification(this,AttributeStoreNotification.BEFORE_INSERT_ATTRIBUTE,attributeDescriptor) |
| 171 |
); |
| 172 |
commands.insert(attributeDescriptor); |
| 173 |
this.observable.notifyObservers(
|
| 174 |
new AttributeStoreNotification(this,FeatureStoreNotification.AFTER_INSERT,attributeDescriptor) |
| 175 |
); |
| 176 |
|
| 177 |
} |
| 178 |
|
| 179 |
public void update(IFeatureAttributeDescriptor attributeDescriptor) { |
| 180 |
if( !alterMode ) {
|
| 181 |
throw new RuntimeException("alterMode is false"); |
| 182 |
} |
| 183 |
// feature.validateModification(this);
|
| 184 |
this.observable.notifyObservers(
|
| 185 |
new AttributeStoreNotification(this,AttributeStoreNotification.BEFORE_UPDATE_ATTRIBUTE,attributeDescriptor) |
| 186 |
); |
| 187 |
commands.update(attributeDescriptor,((DefaultAttributeDescriptor)attributeDescriptor).getOldAttributeDescriptor()); |
| 188 |
((DefaultAttributeDescriptor)attributeDescriptor).stopEditing(); |
| 189 |
this.observable.notifyObservers(
|
| 190 |
new AttributeStoreNotification(this,AttributeStoreNotification.AFTER_UPDATE_ATTRIBUTE,attributeDescriptor) |
| 191 |
); |
| 192 |
} |
| 193 |
|
| 194 |
|
| 195 |
public void delete(IFeature feature) { |
| 196 |
if( !alterMode ) {
|
| 197 |
throw new RuntimeException("alterMode is false"); |
| 198 |
} |
| 199 |
this.observable.notifyObservers(
|
| 200 |
new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_DELETE,feature) |
| 201 |
); |
| 202 |
commands.delete(feature); |
| 203 |
this.observable.notifyObservers(
|
| 204 |
new FeatureStoreNotification(this,FeatureStoreNotification.AFTER_DELETE,feature) |
| 205 |
); |
| 206 |
|
| 207 |
|
| 208 |
} |
| 209 |
|
| 210 |
public void insert(IFeature feature) { |
| 211 |
if( !alterMode ) {
|
| 212 |
throw new RuntimeException("alterMode is false"); |
| 213 |
} |
| 214 |
feature.validateModification(this);
|
| 215 |
this.observable.notifyObservers(
|
| 216 |
new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_INSERT,feature) |
| 217 |
); |
| 218 |
commands.insert(feature); |
| 219 |
this.observable.notifyObservers(
|
| 220 |
new FeatureStoreNotification(this,FeatureStoreNotification.AFTER_INSERT,feature) |
| 221 |
); |
| 222 |
|
| 223 |
} |
| 224 |
|
| 225 |
public void update(IFeature feature) { |
| 226 |
if( !alterMode ) {
|
| 227 |
throw new RuntimeException("alterMode is false"); |
| 228 |
} |
| 229 |
feature.validateModification(this);
|
| 230 |
this.observable.notifyObservers(
|
| 231 |
new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_UPDATE,feature) |
| 232 |
); |
| 233 |
commands.update(feature,((Feature)feature).getOldFeature()); |
| 234 |
((Feature)feature).stopEditing(); |
| 235 |
this.observable.notifyObservers(
|
| 236 |
new FeatureStoreNotification(this,FeatureStoreNotification.AFTER_UPDATE,feature) |
| 237 |
); |
| 238 |
} |
| 239 |
|
| 240 |
public void redo() { |
| 241 |
if( !alterMode ) {
|
| 242 |
throw new RuntimeException("alterMode is false"); |
| 243 |
} |
| 244 |
ICommand redo = commands.getNextRedoCommand(); |
| 245 |
this.observable.notifyObservers(
|
| 246 |
new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_REDO,redo) |
| 247 |
); |
| 248 |
|
| 249 |
commands.redo(); |
| 250 |
|
| 251 |
this.observable.notifyObservers(
|
| 252 |
new FeatureStoreNotification(this,FeatureStoreNotification.AFTER_REDO,redo) |
| 253 |
); |
| 254 |
|
| 255 |
} |
| 256 |
|
| 257 |
public void undo() { |
| 258 |
if( !alterMode ) {
|
| 259 |
throw new RuntimeException("alterMode is false"); |
| 260 |
} |
| 261 |
ICommand undo = commands.getNextUndoCommand(); |
| 262 |
this.observable.notifyObservers(
|
| 263 |
new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_UNDO,undo) |
| 264 |
); |
| 265 |
|
| 266 |
commands.undo(); |
| 267 |
|
| 268 |
this.observable.notifyObservers(
|
| 269 |
new FeatureStoreNotification(this,FeatureStoreNotification.AFTER_UNDO,undo) |
| 270 |
); |
| 271 |
|
| 272 |
} |
| 273 |
|
| 274 |
public ICommandsRecord getCommandsRecord() {
|
| 275 |
if( !alterMode ) {
|
| 276 |
throw new RuntimeException("alterMode is false"); |
| 277 |
} |
| 278 |
return commands;
|
| 279 |
} |
| 280 |
|
| 281 |
public void cancelEditing() { |
| 282 |
if( !alterMode ) {
|
| 283 |
throw new RuntimeException("alterMode is false"); |
| 284 |
} |
| 285 |
this.observable.notifyObservers(
|
| 286 |
new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_CANCELEDITING) |
| 287 |
); |
| 288 |
|
| 289 |
commands.clear(); |
| 290 |
alterMode = false;
|
| 291 |
|
| 292 |
this.observable.notifyObservers(
|
| 293 |
new FeatureStoreNotification(this,FeatureStoreNotification.AFTER_CANCELEDITING) |
| 294 |
); |
| 295 |
|
| 296 |
} |
| 297 |
|
| 298 |
public void finishEditing() throws WriteException, ReadException{ |
| 299 |
if( !alterMode ) {
|
| 300 |
//FIXME: OJO arreglar esta excepci?n!!!
|
| 301 |
throw new RuntimeException("alterMode is false"); |
| 302 |
} |
| 303 |
|
| 304 |
this.observable.notifyObservers(
|
| 305 |
new FeatureStoreNotification(this,FeatureStoreNotification.BEFORE_FINISHEDITING) |
| 306 |
); |
| 307 |
|
| 308 |
this.validateEndEditing();
|
| 309 |
|
| 310 |
doFinishEdition(); |
| 311 |
|
| 312 |
|
| 313 |
commands.clear(); |
| 314 |
featureManager=null;
|
| 315 |
spatialManager=null;
|
| 316 |
attributeManager=null;
|
| 317 |
commands = null;
|
| 318 |
|
| 319 |
alterMode = false;
|
| 320 |
|
| 321 |
this.observable.notifyObservers(
|
| 322 |
new FeatureStoreNotification(this,FeatureStoreNotification.AFTER_FINISHEDITING) |
| 323 |
); |
| 324 |
|
| 325 |
} |
| 326 |
|
| 327 |
protected abstract void doFinishEdition() throws WriteException, ReadException ; |
| 328 |
|
| 329 |
|
| 330 |
public Iterator getChilds() { |
| 331 |
return null; |
| 332 |
} |
| 333 |
|
| 334 |
public void beginComplexNotification() { |
| 335 |
this.observable.beginComplexNotification();
|
| 336 |
|
| 337 |
} |
| 338 |
|
| 339 |
public void endComplexNotification() { |
| 340 |
this.observable.endComplexNotification();
|
| 341 |
|
| 342 |
} |
| 343 |
|
| 344 |
public void addObserver(IObserver o) { |
| 345 |
this.observable.addObserver(o);
|
| 346 |
|
| 347 |
} |
| 348 |
|
| 349 |
public void addObserver(Reference ref) { |
| 350 |
this.observable.addObserver(ref);
|
| 351 |
} |
| 352 |
|
| 353 |
public void deleteObserver(IObserver o) { |
| 354 |
this.observable.deleteObserver(o);
|
| 355 |
} |
| 356 |
|
| 357 |
public void deleteObserver(Reference ref) { |
| 358 |
this.observable.deleteObserver(ref);
|
| 359 |
} |
| 360 |
|
| 361 |
public void deleteObservers() { |
| 362 |
this.observable.deleteObservers();
|
| 363 |
|
| 364 |
} |
| 365 |
|
| 366 |
public boolean isEditing() { |
| 367 |
return alterMode;
|
| 368 |
} |
| 369 |
|
| 370 |
protected void validateEndEditing() throws ReadException{ |
| 371 |
IFeatureCollection collection = (IFeatureCollection)this.getDataCollection();
|
| 372 |
Iterator iter = collection.iterator();
|
| 373 |
while (iter.hasNext()){
|
| 374 |
((IFeature)iter.next()).validateEnd(this);
|
| 375 |
} |
| 376 |
|
| 377 |
} |
| 378 |
|
| 379 |
public void disableNotifications() { |
| 380 |
this.observable.diableNotifications();
|
| 381 |
|
| 382 |
} |
| 383 |
|
| 384 |
public void enableNotifications() { |
| 385 |
this.observable.enableNotifications();
|
| 386 |
} |
| 387 |
public void getDataCollection(IFeatureType type, String filter, String order,IObserver observer) { |
| 388 |
LoadInBackGround task = new LoadInBackGround(this,type,filter,order,observer); |
| 389 |
Thread thread = new Thread(task); |
| 390 |
thread.run(); |
| 391 |
} |
| 392 |
private class LoadInBackGround implements Runnable{ |
| 393 |
|
| 394 |
private IFeatureStore store;
|
| 395 |
private IFeatureType type;
|
| 396 |
private String filter; |
| 397 |
private String order; |
| 398 |
|
| 399 |
private IObserver observer;
|
| 400 |
|
| 401 |
public IDataCollection collection = null; |
| 402 |
public LoadInBackGround(IFeatureStore store,IFeatureType type, String filter, String order,IObserver observer){ |
| 403 |
this.store = store;
|
| 404 |
this.type = type;
|
| 405 |
this.filter = filter;
|
| 406 |
this.order = order;
|
| 407 |
this.observer = observer;
|
| 408 |
|
| 409 |
} |
| 410 |
|
| 411 |
public void run() { |
| 412 |
try{
|
| 413 |
collection = getDataCollection(type, filter, order); |
| 414 |
} catch (Exception e) { |
| 415 |
this.observer.update(this.store, new FeatureStoreNotification( |
| 416 |
this.store,
|
| 417 |
IFeatureStoreNotification.LOAD_FINISHED, |
| 418 |
e) |
| 419 |
); |
| 420 |
} |
| 421 |
this.observer.update(
|
| 422 |
this.store, new FeatureStoreNotification( |
| 423 |
this.store,
|
| 424 |
IFeatureStoreNotification.LOAD_FINISHED, |
| 425 |
collection) |
| 426 |
); |
| 427 |
|
| 428 |
} |
| 429 |
|
| 430 |
|
| 431 |
} |
| 432 |
public IFeature createFeature(IFeatureType type) throws IsNotFeatureSettingException { |
| 433 |
IFeature feature=new CreatedFeature(type,true); |
| 434 |
return feature;
|
| 435 |
} |
| 436 |
|
| 437 |
public IFeature createDefaultFeature(boolean defaultValues){ |
| 438 |
IFeature feature=new CreatedFeature(getDefaultFeatureType(),defaultValues);
|
| 439 |
return feature;
|
| 440 |
} |
| 441 |
|
| 442 |
public IDataStoreParameters getParameters() {
|
| 443 |
return parameters;
|
| 444 |
} |
| 445 |
|
| 446 |
} |