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 @ 45989
History | View | Annotate | Download (16.1 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 |
|
46 |
@SuppressWarnings("UseSpecificCatch") |
47 |
public class FeatureManager { |
48 |
|
49 |
private int deltaSize; |
50 |
private final ExpansionAdapter expansionAdapter; |
51 |
private final Collection<FeatureReference> deleted; |
52 |
private final Map<FeatureReference, Integer> added; |
53 |
private final Map<FeatureReference, Integer> addedAndDeleted; |
54 |
private final Map<FeatureReference, Integer> modifiedFromOriginal; |
55 |
private final Map<FeatureReference, Integer> original; |
56 |
private final FeatureStore store; |
57 |
|
58 |
public FeatureManager(FeatureStore store) {
|
59 |
deltaSize = 0;
|
60 |
expansionAdapter = new MemoryExpansionAdapter();
|
61 |
deleted = new LinkedHashSet<>(); |
62 |
added = new LinkedHashMap<>(); |
63 |
addedAndDeleted = new LinkedHashMap<>(); |
64 |
modifiedFromOriginal = new HashMap<>(); |
65 |
original = new HashMap<>(); |
66 |
this.store = store;
|
67 |
} |
68 |
|
69 |
/**
|
70 |
* Deletes feature from this manager.
|
71 |
*
|
72 |
* @param id
|
73 |
* @return The deleted feature or null if the feature had not been edited or
|
74 |
* previously added in the editing session
|
75 |
*/
|
76 |
public Feature delete(Feature feature) {
|
77 |
FeatureReference id = feature.getReference(); |
78 |
if(!original.containsKey(id)){
|
79 |
int n = expansionAdapter.addObject(feature);
|
80 |
original.put(id, n); |
81 |
} |
82 |
deleted.add(id); |
83 |
Integer num = added.remove(id);
|
84 |
Feature previousFeature = null;
|
85 |
if (num == null || num == -1) { |
86 |
num = modifiedFromOriginal.remove(id); |
87 |
if (num != null) { |
88 |
previousFeature = (Feature) expansionAdapter.getObject(num); |
89 |
} |
90 |
// if num is null here, method returns null
|
91 |
} else {
|
92 |
previousFeature = (Feature) expansionAdapter.getObject(num); |
93 |
addedAndDeleted.put(id, num); |
94 |
} |
95 |
deltaSize--; |
96 |
return previousFeature;
|
97 |
} |
98 |
|
99 |
public void add(EditableFeature feature) { |
100 |
FeatureReference id = feature.getReference(); |
101 |
if(!original.containsKey(id)){
|
102 |
original.put(id, null);
|
103 |
} |
104 |
|
105 |
int pos = expansionAdapter.addObject(feature);
|
106 |
added.put(feature.getReference(), pos); |
107 |
deleted.remove(feature.getReference()); |
108 |
deltaSize++; |
109 |
} |
110 |
|
111 |
public Feature deleteLastFeature() {
|
112 |
expansionAdapter.deleteLastObject(); |
113 |
Feature feature = (Feature) expansionAdapter.getObject(expansionAdapter.getSize() - 1);
|
114 |
added.remove(feature.getReference()); |
115 |
modifiedFromOriginal.remove(feature.getReference()); |
116 |
deltaSize--; |
117 |
return feature;
|
118 |
} |
119 |
|
120 |
public DefaultFeature get(FeatureProvider data){
|
121 |
FeatureReference ref = FeatureReferenceFactory.createFromFeatureProvider(store, data); |
122 |
try {
|
123 |
return get(ref, store);
|
124 |
} catch (DataException ex) {
|
125 |
return null; |
126 |
} |
127 |
} |
128 |
|
129 |
/**
|
130 |
* Returns a Feature of the default type.
|
131 |
*
|
132 |
* @param id the feature reference
|
133 |
* @param store the store to get the feature from
|
134 |
* @return a Feature with the given reference
|
135 |
* @throws DataException if there is an error getting the Feature
|
136 |
*/
|
137 |
public DefaultFeature get(FeatureReference id, FeatureStore store)
|
138 |
throws DataException {
|
139 |
return get(id, store, null); |
140 |
} |
141 |
|
142 |
/**
|
143 |
* Returns a Feature of the given type.
|
144 |
*
|
145 |
* @param id the feature reference
|
146 |
* @param store the store to get the feature from
|
147 |
* @param featureType the type of the feature to return
|
148 |
* @return a Feature with the given reference
|
149 |
* @throws DataException if there is an error getting the Feature
|
150 |
*/
|
151 |
public DefaultFeature get(FeatureReference id, FeatureStore store,
|
152 |
FeatureType featureType) throws DataException {
|
153 |
// FIXME: y si el featuretype que paso esta modificado.
|
154 |
// Deberia buscarlo en el featuretypemanager ?
|
155 |
//
|
156 |
// Si no existe feature con ese id... ? retorna null ?
|
157 |
// en EditedDefaultIterator se hace uso de ese comportamiento.
|
158 |
//
|
159 |
boolean isNewFeature = false; |
160 |
Integer intNum = (added.get(id));
|
161 |
if (intNum == null) { |
162 |
intNum = (modifiedFromOriginal.get(id)); |
163 |
if (intNum == null) { |
164 |
//If the feature has been added and deleted
|
165 |
intNum = addedAndDeleted.get(id); |
166 |
if (intNum == null) { |
167 |
return null; |
168 |
} |
169 |
} |
170 |
} else {
|
171 |
isNewFeature = true;
|
172 |
} |
173 |
int num = intNum;
|
174 |
if (num == -1) { |
175 |
return null; |
176 |
} |
177 |
Feature feature = (Feature) expansionAdapter.getObject(num); |
178 |
if (featureType == null) { |
179 |
featureType = store.getDefaultFeatureType(); |
180 |
} |
181 |
DefaultFeature feat = new DefaultFeature(featureType, feature);
|
182 |
feat.getData().setNew(isNewFeature); |
183 |
return feat;
|
184 |
} |
185 |
|
186 |
public int update(EditableFeature feature, Feature oldFeature) { |
187 |
FeatureReference id = feature.getReference(); |
188 |
if(!original.containsKey(id)){
|
189 |
int n = expansionAdapter.addObject(oldFeature);
|
190 |
original.put(id, n); |
191 |
} |
192 |
int oldNum = -1; |
193 |
int num = expansionAdapter.addObject(feature);
|
194 |
if (added.containsKey(id)) {
|
195 |
oldNum = (added.get(id)); |
196 |
added.put(id, num); |
197 |
} else {
|
198 |
if (modifiedFromOriginal.get(id) != null) { |
199 |
oldNum = (modifiedFromOriginal.get(id)); |
200 |
} |
201 |
modifiedFromOriginal.put(id, num); |
202 |
} |
203 |
return oldNum;
|
204 |
} |
205 |
|
206 |
public void restore(FeatureReference id) { |
207 |
deleted.remove(id); |
208 |
deltaSize++; |
209 |
} |
210 |
|
211 |
public void restore(FeatureReference id, int num) { |
212 |
if (added.containsKey(id)) {
|
213 |
added.put(id, num); |
214 |
} else {
|
215 |
modifiedFromOriginal.put(id, num); |
216 |
} |
217 |
} |
218 |
|
219 |
public boolean isDeleted(Feature feature) { |
220 |
return deleted.contains(feature.getReference());
|
221 |
} |
222 |
|
223 |
public boolean isDeleted(FeatureProvider data) { |
224 |
FeatureReference ref = FeatureReferenceFactory.createFromFeatureProvider(store, data); |
225 |
return deleted.contains(ref);
|
226 |
} |
227 |
|
228 |
public boolean isDeleted(FeatureReference featureID) { |
229 |
return deleted.contains(featureID);
|
230 |
} |
231 |
|
232 |
public void clear() { |
233 |
added.clear(); |
234 |
modifiedFromOriginal.clear(); |
235 |
expansionAdapter.close(); |
236 |
deleted.clear(); |
237 |
addedAndDeleted.clear(); |
238 |
deltaSize = 0;
|
239 |
} |
240 |
|
241 |
public boolean hasChanges() { |
242 |
return added.size() > 0 || modifiedFromOriginal.size() > 0 || deleted.size() > 0; |
243 |
} |
244 |
|
245 |
public boolean hasDeleteds() { |
246 |
return deleted.size() > 0; |
247 |
} |
248 |
|
249 |
public long getPendingChangesCount() { |
250 |
long count = 0; |
251 |
if( this.added!=null ) { |
252 |
count += this.added.size();
|
253 |
} |
254 |
if( this.deleted!=null ) { |
255 |
count += this.deleted.size();
|
256 |
} |
257 |
if( this.modifiedFromOriginal!=null ) { |
258 |
count += this.modifiedFromOriginal.size();
|
259 |
} |
260 |
return count;
|
261 |
} |
262 |
|
263 |
public Iterator<FeatureReference> getDeleted() { |
264 |
return new DeletedsFeatureReferencesIterator(); |
265 |
|
266 |
} |
267 |
|
268 |
private class DeletedsFeatureReferencesIterator implements Iterator<FeatureReference> { |
269 |
|
270 |
private Boolean hasnext = null; |
271 |
private final Iterator iter; |
272 |
private FeatureReference reference;
|
273 |
|
274 |
public DeletedsFeatureReferencesIterator() {
|
275 |
iter = deleted.iterator(); |
276 |
} |
277 |
|
278 |
@Override
|
279 |
public boolean hasNext() { |
280 |
if (hasnext != null) { |
281 |
return hasnext;
|
282 |
} |
283 |
hasnext = false;
|
284 |
while (iter.hasNext()) {
|
285 |
reference = (FeatureReference) iter.next(); |
286 |
if (!reference.isNewFeature()) {
|
287 |
hasnext = true;
|
288 |
break;
|
289 |
} |
290 |
} |
291 |
return hasnext;
|
292 |
} |
293 |
|
294 |
@Override
|
295 |
public FeatureReference next() {
|
296 |
if (!hasNext()) {
|
297 |
throw new NoSuchElementException(); |
298 |
} |
299 |
hasnext = null;
|
300 |
return reference;
|
301 |
} |
302 |
|
303 |
@Override
|
304 |
public void remove() { |
305 |
throw new UnsupportedOperationException(); |
306 |
} |
307 |
|
308 |
} |
309 |
|
310 |
public Iterator<FeatureProvider> getInserted() { |
311 |
Iterator<EditableFeature> it = new InsertedFeaturesIterator(); |
312 |
return new Iterator<FeatureProvider>() { |
313 |
@Override
|
314 |
public boolean hasNext() { |
315 |
return it.hasNext();
|
316 |
} |
317 |
|
318 |
@Override
|
319 |
public FeatureProvider next() {
|
320 |
return ((DefaultFeature)it.next()).getData();
|
321 |
} |
322 |
}; |
323 |
} |
324 |
|
325 |
public Iterator<EditableFeature> getInsertedFeatures() { |
326 |
return new InsertedFeaturesIterator(); |
327 |
} |
328 |
|
329 |
private class InsertedFeaturesIterator implements Iterator<EditableFeature> { |
330 |
|
331 |
private final Iterator addedIter; |
332 |
private EditableFeature feature;
|
333 |
private Boolean hasnext = null; |
334 |
|
335 |
public InsertedFeaturesIterator() {
|
336 |
addedIter = added.values().iterator(); |
337 |
} |
338 |
|
339 |
@Override
|
340 |
public boolean hasNext() { |
341 |
if (hasnext != null) { |
342 |
return hasnext;
|
343 |
} |
344 |
hasnext = false;
|
345 |
int pos;
|
346 |
while (addedIter.hasNext()) {
|
347 |
pos = ((Integer) addedIter.next());
|
348 |
feature = (EditableFeature) expansionAdapter.getObject(pos); |
349 |
if (!deleted.contains(feature.getReference())) {
|
350 |
hasnext = true;
|
351 |
break;
|
352 |
} |
353 |
} |
354 |
return hasnext;
|
355 |
} |
356 |
|
357 |
@Override
|
358 |
public EditableFeature next() {
|
359 |
if (!hasNext()) {
|
360 |
throw new NoSuchElementException(); |
361 |
} |
362 |
hasnext = null;
|
363 |
return feature;
|
364 |
} |
365 |
|
366 |
@Override
|
367 |
public void remove() { |
368 |
addedIter.remove(); |
369 |
} |
370 |
|
371 |
} |
372 |
|
373 |
public List<FeatureReference> getAddedAndUpdatedFeatures() { |
374 |
List<FeatureReference> references = new ArrayList<>(); |
375 |
references.addAll(this.modifiedFromOriginal.keySet());
|
376 |
references.addAll(this.added.keySet());
|
377 |
return references;
|
378 |
} |
379 |
|
380 |
public List<FeatureReference> getAddedAndUpdatedFeaturesNotValidated(DefaultFeatureRules rules, int checks) { |
381 |
List<FeatureReference> references = new ArrayList<>(); |
382 |
for (FeatureReference ref : this.modifiedFromOriginal.keySet()) { |
383 |
Integer index = this.modifiedFromOriginal.get(ref); |
384 |
if( index!=null ) { |
385 |
EditableFeature feature = (EditableFeature) this.expansionAdapter.getObject(index);
|
386 |
try {
|
387 |
rules.validate(feature, checks); |
388 |
} catch (DataException ex) {
|
389 |
references.add(ref); |
390 |
} |
391 |
} |
392 |
} |
393 |
for (FeatureReference ref : this.added.keySet()) { |
394 |
Integer index = this.added.get(ref); |
395 |
if( index!=null ) { |
396 |
EditableFeature feature = (EditableFeature) this.expansionAdapter.getObject(index);
|
397 |
try {
|
398 |
rules.validate(feature, checks); |
399 |
} catch (Exception ex) { |
400 |
references.add(ref); |
401 |
} |
402 |
} |
403 |
} |
404 |
return references;
|
405 |
} |
406 |
|
407 |
public Iterator<EditableFeature> getUpdatedFeatures() { |
408 |
return new UpdatedFeaturesIterator(); |
409 |
} |
410 |
|
411 |
public Iterator<FeatureProvider> getUpdated() { |
412 |
Iterator<EditableFeature> it = new UpdatedFeaturesIterator(); |
413 |
return new Iterator<FeatureProvider>() { |
414 |
@Override
|
415 |
public boolean hasNext() { |
416 |
return it.hasNext();
|
417 |
} |
418 |
|
419 |
@Override
|
420 |
public FeatureProvider next() {
|
421 |
return ((DefaultFeature)it.next()).getData();
|
422 |
} |
423 |
}; |
424 |
} |
425 |
|
426 |
private class UpdatedFeaturesIterator implements Iterator<EditableFeature> { |
427 |
|
428 |
private Boolean hasnext = null; |
429 |
private final Iterator iter; |
430 |
private EditableFeature feature;
|
431 |
private int pos; |
432 |
|
433 |
public UpdatedFeaturesIterator() {
|
434 |
iter = expansionAdapter.iterator(); |
435 |
pos = -1;
|
436 |
} |
437 |
|
438 |
@Override
|
439 |
public boolean hasNext() { |
440 |
if (hasnext != null) { |
441 |
return hasnext;
|
442 |
} |
443 |
hasnext = false;
|
444 |
while (iter.hasNext()) {
|
445 |
pos++; |
446 |
Feature f = (Feature) iter.next(); |
447 |
if ( f != null && |
448 |
!deleted.contains(f.getReference()) && |
449 |
modifiedFromOriginal.containsValue(pos)) { |
450 |
hasnext = true;
|
451 |
feature = (EditableFeature) f; |
452 |
break;
|
453 |
} |
454 |
} |
455 |
return hasnext;
|
456 |
} |
457 |
|
458 |
@Override
|
459 |
public EditableFeature next() {
|
460 |
if (!hasNext()) {
|
461 |
throw new NoSuchElementException(); |
462 |
} |
463 |
hasnext = null;
|
464 |
return feature;
|
465 |
} |
466 |
|
467 |
@Override
|
468 |
public void remove() { |
469 |
throw new UnsupportedOperationException(); |
470 |
|
471 |
} |
472 |
} |
473 |
|
474 |
public boolean hasNews() { |
475 |
return !added.isEmpty();
|
476 |
} |
477 |
|
478 |
public long getDeltaSize() { |
479 |
return deltaSize;
|
480 |
} |
481 |
|
482 |
/**
|
483 |
* Indicates if any operation has comprimised the selected features.
|
484 |
*
|
485 |
* @return
|
486 |
*/
|
487 |
public boolean isSelectionCompromised() { |
488 |
//Only deleted features can change order, as added features are added at the end.
|
489 |
return !deleted.isEmpty() || !added.isEmpty();
|
490 |
} |
491 |
|
492 |
public Feature getOriginal(FeatureReference id){
|
493 |
Integer n = original.get(id);
|
494 |
if(n == null){ |
495 |
return null; |
496 |
} |
497 |
return (Feature) this.expansionAdapter.getObject(n); |
498 |
} |
499 |
|
500 |
public boolean isFeatureModified(FeatureReference id) { |
501 |
return original.containsKey(id);
|
502 |
} |
503 |
|
504 |
} |