svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.impl / src / main / java / org / gvsig / fmap / dal / feature / impl / editing / memory / FeatureManager.java @ 46390
History | View | Annotate | Download (16.9 KB)
1 |
/**
|
---|---|
2 |
* gvSIG. Desktop Geographic Information System.
|
3 |
*
|
4 |
* Copyright (C) 2007-2013 gvSIG Association.
|
5 |
*
|
6 |
* This program is free software; you can redistribute it and/or
|
7 |
* modify it under the terms of the GNU General Public License
|
8 |
* as published by the Free Software Foundation; either version 3
|
9 |
* of the License, or (at your option) any later version.
|
10 |
*
|
11 |
* This program is distributed in the hope that it will be useful,
|
12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
14 |
* GNU General Public License for more details.
|
15 |
*
|
16 |
* You should have received a copy of the GNU General Public License
|
17 |
* along with this program; if not, write to the Free Software
|
18 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
19 |
* MA 02110-1301, USA.
|
20 |
*
|
21 |
* For any additional information, do not hesitate to contact us
|
22 |
* at info AT gvsig.com, or visit our website www.gvsig.com.
|
23 |
*/
|
24 |
package org.gvsig.fmap.dal.feature.impl.editing.memory; |
25 |
|
26 |
import java.util.ArrayList; |
27 |
import java.util.Collection; |
28 |
import java.util.HashMap; |
29 |
import java.util.Iterator; |
30 |
import java.util.LinkedHashMap; |
31 |
import java.util.LinkedHashSet; |
32 |
import java.util.List; |
33 |
import java.util.Map; |
34 |
import java.util.NoSuchElementException; |
35 |
import org.gvsig.fmap.dal.exception.DataException; |
36 |
import org.gvsig.fmap.dal.feature.EditableFeature; |
37 |
import org.gvsig.fmap.dal.feature.Feature; |
38 |
import org.gvsig.fmap.dal.feature.FeatureReference; |
39 |
import org.gvsig.fmap.dal.feature.FeatureStore; |
40 |
import org.gvsig.fmap.dal.feature.FeatureType; |
41 |
import org.gvsig.fmap.dal.feature.impl.DefaultFeature; |
42 |
import org.gvsig.fmap.dal.feature.impl.DefaultFeatureRules; |
43 |
import org.gvsig.fmap.dal.feature.impl.featurereference.FeatureReferenceFactory; |
44 |
import org.gvsig.fmap.dal.feature.spi.FeatureProvider; |
45 |
import org.gvsig.tools.util.Rewind; |
46 |
import org.gvsig.tools.util.Size; |
47 |
|
48 |
@SuppressWarnings("UseSpecificCatch") |
49 |
public class FeatureManager { |
50 |
|
51 |
private int deltaSize; |
52 |
private final ExpansionAdapter expansionAdapter; |
53 |
private final Collection<FeatureReference> deleted; |
54 |
private final Map<FeatureReference, Integer> added; |
55 |
private final Map<FeatureReference, Integer> addedAndDeleted; |
56 |
private final Map<FeatureReference, Integer> modifiedFromOriginal; |
57 |
private final Map<FeatureReference, Integer> original; |
58 |
private final FeatureStore store; |
59 |
|
60 |
public FeatureManager(FeatureStore store) {
|
61 |
deltaSize = 0;
|
62 |
expansionAdapter = new MemoryExpansionAdapter();
|
63 |
deleted = new LinkedHashSet<>(); |
64 |
added = new LinkedHashMap<>(); |
65 |
addedAndDeleted = new LinkedHashMap<>(); |
66 |
modifiedFromOriginal = new HashMap<>(); |
67 |
original = new HashMap<>(); |
68 |
this.store = store;
|
69 |
} |
70 |
|
71 |
/**
|
72 |
* Deletes feature from this manager.
|
73 |
*
|
74 |
* @param id
|
75 |
* @return The deleted feature or null if the feature had not been edited or
|
76 |
* previously added in the editing session
|
77 |
*/
|
78 |
public Feature delete(Feature feature) {
|
79 |
FeatureReference id = feature.getReference(); |
80 |
if(!original.containsKey(id)){
|
81 |
int n = expansionAdapter.addObject(feature);
|
82 |
original.put(id, n); |
83 |
} |
84 |
deleted.add(id); |
85 |
Integer num = added.remove(id);
|
86 |
Feature previousFeature = null;
|
87 |
if (num == null || num == -1) { |
88 |
num = modifiedFromOriginal.remove(id); |
89 |
if (num != null) { |
90 |
previousFeature = (Feature) expansionAdapter.getObject(num); |
91 |
} |
92 |
// if num is null here, method returns null
|
93 |
} else {
|
94 |
previousFeature = (Feature) expansionAdapter.getObject(num); |
95 |
addedAndDeleted.put(id, num); |
96 |
} |
97 |
deltaSize--; |
98 |
return previousFeature;
|
99 |
} |
100 |
|
101 |
public void add(EditableFeature feature) { |
102 |
FeatureReference id = feature.getReference(); |
103 |
if(!original.containsKey(id)){
|
104 |
original.put(id, null);
|
105 |
} |
106 |
|
107 |
int pos = expansionAdapter.addObject(feature);
|
108 |
added.put(feature.getReference(), pos); |
109 |
deleted.remove(feature.getReference()); |
110 |
deltaSize++; |
111 |
} |
112 |
|
113 |
public void undoAdd(EditableFeature feature) { |
114 |
FeatureReference id = feature.getReference(); |
115 |
if(added.remove(id)!=null){ |
116 |
deltaSize--; |
117 |
}; |
118 |
} |
119 |
|
120 |
public Feature deleteLastFeature() {
|
121 |
expansionAdapter.deleteLastObject(); |
122 |
Feature feature = (Feature) expansionAdapter.getObject(expansionAdapter.getSize() - 1);
|
123 |
added.remove(feature.getReference()); |
124 |
modifiedFromOriginal.remove(feature.getReference()); |
125 |
deltaSize--; |
126 |
return feature;
|
127 |
} |
128 |
|
129 |
public DefaultFeature get(FeatureProvider data){
|
130 |
FeatureReference ref = FeatureReferenceFactory.createFromFeatureProvider(store, data); |
131 |
try {
|
132 |
return get(ref, store);
|
133 |
} catch (DataException ex) {
|
134 |
return null; |
135 |
} |
136 |
} |
137 |
|
138 |
/**
|
139 |
* Returns a Feature of the default type.
|
140 |
*
|
141 |
* @param id the feature reference
|
142 |
* @param store the store to get the feature from
|
143 |
* @return a Feature with the given reference
|
144 |
* @throws DataException if there is an error getting the Feature
|
145 |
*/
|
146 |
public DefaultFeature get(FeatureReference id, FeatureStore store)
|
147 |
throws DataException {
|
148 |
return get(id, store, null); |
149 |
} |
150 |
|
151 |
/**
|
152 |
* Returns a Feature of the given type.
|
153 |
*
|
154 |
* @param id the feature reference
|
155 |
* @param store the store to get the feature from
|
156 |
* @param featureType the type of the feature to return
|
157 |
* @return a Feature with the given reference
|
158 |
* @throws DataException if there is an error getting the Feature
|
159 |
*/
|
160 |
public DefaultFeature get(FeatureReference id, FeatureStore store,
|
161 |
FeatureType featureType) throws DataException {
|
162 |
// FIXME: y si el featuretype que paso esta modificado.
|
163 |
// Deberia buscarlo en el featuretypemanager ?
|
164 |
//
|
165 |
// Si no existe feature con ese id... ? retorna null ?
|
166 |
// en EditedDefaultIterator se hace uso de ese comportamiento.
|
167 |
//
|
168 |
boolean isNewFeature = false; |
169 |
Integer intNum = (added.get(id));
|
170 |
if (intNum == null) { |
171 |
intNum = (modifiedFromOriginal.get(id)); |
172 |
if (intNum == null) { |
173 |
//If the feature has been added and deleted
|
174 |
intNum = addedAndDeleted.get(id); |
175 |
if (intNum == null) { |
176 |
return null; |
177 |
} |
178 |
} |
179 |
} else {
|
180 |
isNewFeature = true;
|
181 |
} |
182 |
int num = intNum;
|
183 |
if (num == -1) { |
184 |
return null; |
185 |
} |
186 |
Feature feature = (Feature) expansionAdapter.getObject(num); |
187 |
if (featureType == null) { |
188 |
featureType = store.getDefaultFeatureType(); |
189 |
} |
190 |
DefaultFeature feat = new DefaultFeature(featureType, feature);
|
191 |
feat.getData().setNew(isNewFeature); |
192 |
return feat;
|
193 |
} |
194 |
|
195 |
public int update(EditableFeature feature, Feature oldFeature) { |
196 |
FeatureReference id = feature.getReference(); |
197 |
if(!original.containsKey(id)){
|
198 |
int n = expansionAdapter.addObject(oldFeature);
|
199 |
original.put(id, n); |
200 |
} |
201 |
int oldNum = -1; |
202 |
int num = expansionAdapter.addObject(feature);
|
203 |
if (added.containsKey(id)) {
|
204 |
oldNum = (added.get(id)); |
205 |
added.put(id, num); |
206 |
} else {
|
207 |
if (modifiedFromOriginal.get(id) != null) { |
208 |
oldNum = (modifiedFromOriginal.get(id)); |
209 |
} |
210 |
modifiedFromOriginal.put(id, num); |
211 |
} |
212 |
return oldNum;
|
213 |
} |
214 |
|
215 |
public void restore(FeatureReference id) { |
216 |
deleted.remove(id); |
217 |
deltaSize++; |
218 |
} |
219 |
|
220 |
public void restore(FeatureReference id, int num) { |
221 |
if (added.containsKey(id)) {
|
222 |
added.put(id, num); |
223 |
} else {
|
224 |
modifiedFromOriginal.put(id, num); |
225 |
} |
226 |
} |
227 |
|
228 |
public boolean isDeleted(Feature feature) { |
229 |
return deleted.contains(feature.getReference());
|
230 |
} |
231 |
|
232 |
public boolean isDeleted(FeatureProvider data) { |
233 |
FeatureReference ref = FeatureReferenceFactory.createFromFeatureProvider(store, data); |
234 |
return deleted.contains(ref);
|
235 |
} |
236 |
|
237 |
public boolean isDeleted(FeatureReference featureID) { |
238 |
return deleted.contains(featureID);
|
239 |
} |
240 |
|
241 |
public void clear() { |
242 |
added.clear(); |
243 |
modifiedFromOriginal.clear(); |
244 |
expansionAdapter.close(); |
245 |
deleted.clear(); |
246 |
addedAndDeleted.clear(); |
247 |
deltaSize = 0;
|
248 |
} |
249 |
|
250 |
public boolean hasChanges() { |
251 |
return added.size() > 0 || modifiedFromOriginal.size() > 0 || deleted.size() > 0; |
252 |
} |
253 |
|
254 |
public boolean hasDeleteds() { |
255 |
return deleted.size() > 0; |
256 |
} |
257 |
|
258 |
public long getPendingChangesCount() { |
259 |
long count = 0; |
260 |
if( this.added!=null ) { |
261 |
count += this.added.size();
|
262 |
} |
263 |
if( this.deleted!=null ) { |
264 |
count += this.deleted.size();
|
265 |
} |
266 |
if( this.modifiedFromOriginal!=null ) { |
267 |
count += this.modifiedFromOriginal.size();
|
268 |
} |
269 |
return count;
|
270 |
} |
271 |
|
272 |
public Iterator<FeatureReference> getDeleted() { |
273 |
return new DeletedsFeatureReferencesIterator(); |
274 |
|
275 |
} |
276 |
|
277 |
private class DeletedsFeatureReferencesIterator implements Iterator<FeatureReference> { |
278 |
|
279 |
private Boolean hasnext = null; |
280 |
private final Iterator iter; |
281 |
private FeatureReference reference;
|
282 |
|
283 |
public DeletedsFeatureReferencesIterator() {
|
284 |
iter = deleted.iterator(); |
285 |
} |
286 |
|
287 |
@Override
|
288 |
public boolean hasNext() { |
289 |
if (hasnext != null) { |
290 |
return hasnext;
|
291 |
} |
292 |
hasnext = false;
|
293 |
while (iter.hasNext()) {
|
294 |
reference = (FeatureReference) iter.next(); |
295 |
if (!reference.isNewFeature()) {
|
296 |
hasnext = true;
|
297 |
break;
|
298 |
} |
299 |
} |
300 |
return hasnext;
|
301 |
} |
302 |
|
303 |
@Override
|
304 |
public FeatureReference next() {
|
305 |
if (!hasNext()) {
|
306 |
throw new NoSuchElementException(); |
307 |
} |
308 |
hasnext = null;
|
309 |
return reference;
|
310 |
} |
311 |
|
312 |
@Override
|
313 |
public void remove() { |
314 |
throw new UnsupportedOperationException(); |
315 |
} |
316 |
|
317 |
} |
318 |
|
319 |
public Iterator<FeatureProvider> getInserted() { |
320 |
Iterator<EditableFeature> it = new InsertedFeaturesIterator(); |
321 |
return new Iterator<FeatureProvider>() { |
322 |
@Override
|
323 |
public boolean hasNext() { |
324 |
return it.hasNext();
|
325 |
} |
326 |
|
327 |
@Override
|
328 |
public FeatureProvider next() {
|
329 |
return ((DefaultFeature)it.next()).getData();
|
330 |
} |
331 |
}; |
332 |
} |
333 |
|
334 |
public Iterator<EditableFeature> getInsertedFeatures() { |
335 |
return new InsertedFeaturesIterator(); |
336 |
} |
337 |
|
338 |
private class InsertedFeaturesIterator implements Iterator<EditableFeature>, Size, Rewind { |
339 |
|
340 |
private Iterator addedIter; |
341 |
private EditableFeature feature;
|
342 |
private Boolean hasnext = null; |
343 |
|
344 |
public InsertedFeaturesIterator() {
|
345 |
addedIter = added.values().iterator(); |
346 |
} |
347 |
|
348 |
@Override
|
349 |
public boolean hasNext() { |
350 |
if (hasnext != null) { |
351 |
return hasnext;
|
352 |
} |
353 |
hasnext = false;
|
354 |
int pos;
|
355 |
while (addedIter.hasNext()) {
|
356 |
pos = ((Integer) addedIter.next());
|
357 |
feature = (EditableFeature) expansionAdapter.getObject(pos); |
358 |
if (!deleted.contains(feature.getReference())) {
|
359 |
hasnext = true;
|
360 |
break;
|
361 |
} |
362 |
} |
363 |
return hasnext;
|
364 |
} |
365 |
|
366 |
@Override
|
367 |
public EditableFeature next() {
|
368 |
if (!hasNext()) {
|
369 |
throw new NoSuchElementException(); |
370 |
} |
371 |
hasnext = null;
|
372 |
return feature;
|
373 |
} |
374 |
|
375 |
@Override
|
376 |
public void remove() { |
377 |
addedIter.remove(); |
378 |
} |
379 |
|
380 |
@Override
|
381 |
public int size() { |
382 |
return added.size();
|
383 |
} |
384 |
|
385 |
@Override
|
386 |
public void rewind() { |
387 |
addedIter = added.values().iterator(); |
388 |
hasnext = null;
|
389 |
} |
390 |
|
391 |
} |
392 |
|
393 |
public List<FeatureReference> getAddedAndUpdatedFeatures() { |
394 |
List<FeatureReference> references = new ArrayList<>(); |
395 |
references.addAll(this.modifiedFromOriginal.keySet());
|
396 |
references.addAll(this.added.keySet());
|
397 |
return references;
|
398 |
} |
399 |
|
400 |
public List<FeatureReference> getAddedAndUpdatedFeaturesNotValidated(DefaultFeatureRules rules, int checks) { |
401 |
List<FeatureReference> references = new ArrayList<>(); |
402 |
for (FeatureReference ref : this.modifiedFromOriginal.keySet()) { |
403 |
Integer index = this.modifiedFromOriginal.get(ref); |
404 |
if( index!=null ) { |
405 |
EditableFeature feature = (EditableFeature) this.expansionAdapter.getObject(index);
|
406 |
try {
|
407 |
rules.validate(feature, checks); |
408 |
} catch (DataException ex) {
|
409 |
references.add(ref); |
410 |
} |
411 |
} |
412 |
} |
413 |
for (FeatureReference ref : this.added.keySet()) { |
414 |
Integer index = this.added.get(ref); |
415 |
if( index!=null ) { |
416 |
EditableFeature feature = (EditableFeature) this.expansionAdapter.getObject(index);
|
417 |
try {
|
418 |
rules.validate(feature, checks); |
419 |
} catch (Exception ex) { |
420 |
references.add(ref); |
421 |
} |
422 |
} |
423 |
} |
424 |
return references;
|
425 |
} |
426 |
|
427 |
public Iterator<EditableFeature> getUpdatedFeatures() { |
428 |
return new UpdatedFeaturesIterator(); |
429 |
} |
430 |
|
431 |
public Iterator<FeatureProvider> getUpdated() { |
432 |
Iterator<EditableFeature> it = new UpdatedFeaturesIterator(); |
433 |
return new Iterator<FeatureProvider>() { |
434 |
@Override
|
435 |
public boolean hasNext() { |
436 |
return it.hasNext();
|
437 |
} |
438 |
|
439 |
@Override
|
440 |
public FeatureProvider next() {
|
441 |
return ((DefaultFeature)it.next()).getData();
|
442 |
} |
443 |
}; |
444 |
} |
445 |
|
446 |
private class UpdatedFeaturesIterator implements Iterator<EditableFeature>, Size, Rewind { |
447 |
|
448 |
private Boolean hasnext = null; |
449 |
private Iterator iter; |
450 |
private EditableFeature feature;
|
451 |
private int pos; |
452 |
|
453 |
public UpdatedFeaturesIterator() {
|
454 |
iter = expansionAdapter.iterator(); |
455 |
pos = -1;
|
456 |
} |
457 |
|
458 |
@Override
|
459 |
public boolean hasNext() { |
460 |
if (hasnext != null) { |
461 |
return hasnext;
|
462 |
} |
463 |
hasnext = false;
|
464 |
while (iter.hasNext()) {
|
465 |
pos++; |
466 |
Feature f = (Feature) iter.next(); |
467 |
if ( f != null && |
468 |
!deleted.contains(f.getReference()) && |
469 |
modifiedFromOriginal.containsValue(pos)) { |
470 |
hasnext = true;
|
471 |
feature = (EditableFeature) f; |
472 |
break;
|
473 |
} |
474 |
} |
475 |
return hasnext;
|
476 |
} |
477 |
|
478 |
@Override
|
479 |
public EditableFeature next() {
|
480 |
if (!hasNext()) {
|
481 |
throw new NoSuchElementException(); |
482 |
} |
483 |
hasnext = null;
|
484 |
return feature;
|
485 |
} |
486 |
|
487 |
@Override
|
488 |
public void remove() { |
489 |
throw new UnsupportedOperationException(); |
490 |
} |
491 |
|
492 |
@Override
|
493 |
public int size() { |
494 |
return expansionAdapter.getSize();
|
495 |
} |
496 |
|
497 |
@Override
|
498 |
public void rewind() { |
499 |
iter = expansionAdapter.iterator(); |
500 |
pos = -1;
|
501 |
hasnext = null;
|
502 |
} |
503 |
} |
504 |
|
505 |
public boolean hasNews() { |
506 |
return !added.isEmpty();
|
507 |
} |
508 |
|
509 |
public long getDeltaSize() { |
510 |
return deltaSize;
|
511 |
} |
512 |
|
513 |
/**
|
514 |
* Indicates if any operation has comprimised the selected features.
|
515 |
*
|
516 |
* @return
|
517 |
*/
|
518 |
public boolean isSelectionCompromised() { |
519 |
//Only deleted features can change order, as added features are added at the end.
|
520 |
return !deleted.isEmpty() || !added.isEmpty();
|
521 |
} |
522 |
|
523 |
public Feature getOriginal(FeatureReference id){
|
524 |
Integer n = original.get(id);
|
525 |
if(n == null){ |
526 |
return null; |
527 |
} |
528 |
return (Feature) this.expansionAdapter.getObject(n); |
529 |
} |
530 |
|
531 |
public boolean isFeatureModified(FeatureReference id) { |
532 |
return original.containsKey(id);
|
533 |
} |
534 |
|
535 |
} |