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 / FeatureTypeManager.java @ 43215
History | View | Annotate | Download (14.9 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 modify it under
|
7 |
* the terms of the GNU General Public License as published by the Free Software
|
8 |
* Foundation; either version 3 of the License, or (at your option) any later
|
9 |
* version.
|
10 |
*
|
11 |
* This program is distributed in the hope that it will be useful, but WITHOUT
|
12 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
13 |
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
|
14 |
* details.
|
15 |
*
|
16 |
* You should have received a copy of the GNU General Public License along with
|
17 |
* this program; if not, write to the Free Software Foundation, Inc., 51
|
18 |
* Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
19 |
*
|
20 |
* For any additional information, do not hesitate to contact us at info AT
|
21 |
* gvsig.com, or visit our website www.gvsig.com.
|
22 |
*/
|
23 |
package org.gvsig.fmap.dal.feature.impl; |
24 |
|
25 |
import java.lang.ref.WeakReference; |
26 |
import java.util.ArrayList; |
27 |
import java.util.Arrays; |
28 |
import java.util.HashMap; |
29 |
import java.util.Iterator; |
30 |
import java.util.List; |
31 |
|
32 |
import org.gvsig.fmap.dal.exception.DataException; |
33 |
import org.gvsig.fmap.dal.feature.AbstractFeatureStoreTransform; |
34 |
import org.gvsig.fmap.dal.feature.EditableFeature; |
35 |
import org.gvsig.fmap.dal.feature.EditableFeatureAttributeDescriptor; |
36 |
import org.gvsig.fmap.dal.feature.EditableFeatureType; |
37 |
import org.gvsig.fmap.dal.feature.Feature; |
38 |
import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
39 |
import org.gvsig.fmap.dal.feature.FeatureStore; |
40 |
import org.gvsig.fmap.dal.feature.FeatureStoreTransform; |
41 |
import org.gvsig.fmap.dal.feature.FeatureType; |
42 |
import org.gvsig.fmap.dal.feature.impl.expansionadapter.ExpansionAdapter; |
43 |
import org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider.FeatureTypeChanged; |
44 |
import org.gvsig.tools.persistence.PersistentState; |
45 |
import org.gvsig.tools.persistence.exception.PersistenceException; |
46 |
|
47 |
public class FeatureTypeManager { |
48 |
|
49 |
private ExpansionAdapter expansionAdapter;
|
50 |
private ArrayList deleted = new ArrayList();// <FeatureID> |
51 |
private int deltaSize = 0; |
52 |
private HashMap added = new HashMap(); |
53 |
private HashMap modifiedFromOriginal = new HashMap(); |
54 |
private FeatureType originalType = null; |
55 |
private boolean first = true; |
56 |
private FeatureTypeManagerFeatureStoreTransforms transforms;
|
57 |
private FeatureStore store;
|
58 |
|
59 |
public FeatureTypeManager(FeatureStore store,
|
60 |
ExpansionAdapter expansionAdapter) { |
61 |
this.expansionAdapter = expansionAdapter;
|
62 |
this.store = store;
|
63 |
this.transforms = new FeatureTypeManagerFeatureStoreTransforms(); |
64 |
this.transforms.setFeatureStore(store);
|
65 |
} |
66 |
|
67 |
public void dispose() { |
68 |
this.expansionAdapter.close();
|
69 |
this.expansionAdapter = null; |
70 |
this.deleted.clear();
|
71 |
this.deleted = null; |
72 |
this.transforms.clear();
|
73 |
} |
74 |
|
75 |
public FeatureType getType(String id) throws DataException { |
76 |
Integer intNum = ((Integer) added.get(id)); |
77 |
if (intNum == null) { |
78 |
intNum = ((Integer) modifiedFromOriginal.get(id));
|
79 |
if (intNum == null) { |
80 |
return null; |
81 |
} |
82 |
} |
83 |
int num = intNum.intValue();
|
84 |
|
85 |
if (num == -1) { |
86 |
/*
|
87 |
* This happens for example when we are going back to the
|
88 |
* original feature type which is not managed by
|
89 |
* expansionAdapter
|
90 |
*/
|
91 |
return null; |
92 |
} |
93 |
|
94 |
FeatureType type = (FeatureType) expansionAdapter.getObject(num); |
95 |
return type;
|
96 |
} |
97 |
|
98 |
public int update(FeatureType type, FeatureType oldType) { |
99 |
// deleted.add(oldType.getId());
|
100 |
if (first) {
|
101 |
originalType = oldType; |
102 |
first = false;
|
103 |
} |
104 |
int oldNum = -1; |
105 |
int num = expansionAdapter.addObject(type);
|
106 |
String id = type.getId();
|
107 |
|
108 |
if (added.containsKey(id)) {
|
109 |
oldNum = ((Integer) added.get(id)).intValue();
|
110 |
added.put(id, new Integer(num)); |
111 |
} else {
|
112 |
if (modifiedFromOriginal.get(id) != null) { |
113 |
oldNum = ((Integer) modifiedFromOriginal.get(id)).intValue();
|
114 |
} |
115 |
modifiedFromOriginal.put(id, new Integer(num)); |
116 |
} |
117 |
|
118 |
try {
|
119 |
this.transforms.add(new UpdateFeatureTypeTransform(this.store, |
120 |
oldType, type)); |
121 |
} catch (DataException e) {
|
122 |
throw new RuntimeException(); // FIXME (pero esto no deberia de |
123 |
// pasar nunca)
|
124 |
} |
125 |
return oldNum;
|
126 |
} |
127 |
|
128 |
private class UpdateFeatureTypeTransform extends AbstractFeatureStoreTransform { |
129 |
|
130 |
private FeatureType ftSource;
|
131 |
|
132 |
private EditableFeatureType ftTarget_editable;
|
133 |
private FeatureType ftTarget_non_editable;
|
134 |
|
135 |
private WeakReference wkRefStore; |
136 |
private List ftypes = null; |
137 |
private List attrInSourceToUse; |
138 |
|
139 |
UpdateFeatureTypeTransform(FeatureStore featureStore, |
140 |
FeatureType ftSource, FeatureType ftTarget) { |
141 |
this.ftSource = ftSource;
|
142 |
|
143 |
if (ftTarget instanceof EditableFeatureType) { |
144 |
|
145 |
ftTarget_editable = (EditableFeatureType) ftTarget; |
146 |
ftTarget_non_editable = ftTarget_editable.getNotEditableCopy(); |
147 |
} else {
|
148 |
ftTarget_non_editable = ftTarget; |
149 |
} |
150 |
|
151 |
this.wkRefStore = new WeakReference(featureStore); |
152 |
this.initializeAttributesToUse();
|
153 |
} |
154 |
|
155 |
private void initializeAttributesToUse() { |
156 |
attrInSourceToUse = new ArrayList(); |
157 |
|
158 |
Iterator iter = null; |
159 |
if (ftTarget_editable != null) { |
160 |
iter = ftTarget_editable.iterator(); |
161 |
} else {
|
162 |
iter = ftTarget_non_editable.iterator(); |
163 |
} |
164 |
|
165 |
FeatureAttributeDescriptor tAttr, sAttr; |
166 |
EditableFeatureAttributeDescriptor ead = null;
|
167 |
while (iter.hasNext()) {
|
168 |
tAttr = (FeatureAttributeDescriptor) iter.next(); |
169 |
sAttr = this.ftSource.getAttributeDescriptor(tAttr.getName());
|
170 |
if (sAttr == null) { |
171 |
if (tAttr instanceof EditableFeatureAttributeDescriptor) { |
172 |
ead = (EditableFeatureAttributeDescriptor) tAttr; |
173 |
if (ead.getOriginalName() != null) { |
174 |
sAttr = this.ftSource.getAttributeDescriptor(ead.getOriginalName());
|
175 |
if (sAttr == null) { |
176 |
continue;
|
177 |
} |
178 |
} else {
|
179 |
continue;
|
180 |
} |
181 |
} else {
|
182 |
continue;
|
183 |
} |
184 |
} |
185 |
if (tAttr.getType() != sAttr.getType()) {
|
186 |
/*
|
187 |
* Ignore if type is not the same (user removed field
|
188 |
* and added another with same name but different type)
|
189 |
*/
|
190 |
continue;
|
191 |
} |
192 |
attrInSourceToUse.add(sAttr.getName()); |
193 |
} |
194 |
} |
195 |
|
196 |
@Override
|
197 |
public void setUp() throws Exception { |
198 |
|
199 |
} |
200 |
|
201 |
public void applyTransform(Feature source, EditableFeature target) |
202 |
throws DataException {
|
203 |
|
204 |
Iterator iter = target.getType().iterator();
|
205 |
FeatureAttributeDescriptor tAttr; |
206 |
FeatureAttributeDescriptor tAttr_edi; |
207 |
FeatureAttributeDescriptor srcAtt; |
208 |
|
209 |
/*
|
210 |
* field name in source feature
|
211 |
*/
|
212 |
String s_name;
|
213 |
|
214 |
/*
|
215 |
* field name in target feature (the same as in source
|
216 |
* except if renamed)
|
217 |
*/
|
218 |
String t_name;
|
219 |
|
220 |
EditableFeatureAttributeDescriptor eatd = null;
|
221 |
while (iter.hasNext()) {
|
222 |
tAttr = (FeatureAttributeDescriptor) iter.next(); |
223 |
|
224 |
if (ftTarget_editable != null) { |
225 |
/*
|
226 |
* If target FT is editable, try to get original name
|
227 |
*/
|
228 |
t_name = tAttr.getName(); |
229 |
s_name = t_name; |
230 |
tAttr_edi = ftTarget_editable.getAttributeDescriptor(t_name); |
231 |
if (tAttr_edi instanceof EditableFeatureAttributeDescriptor) { |
232 |
eatd = (EditableFeatureAttributeDescriptor) tAttr_edi; |
233 |
s_name = eatd.getOriginalName(); |
234 |
} |
235 |
|
236 |
/*
|
237 |
* If not found, use normal name
|
238 |
*/
|
239 |
if (s_name == null) { |
240 |
s_name = tAttr.getName(); |
241 |
} |
242 |
} else {
|
243 |
/*
|
244 |
* If target FT is not editable, use normal name
|
245 |
*/
|
246 |
t_name = tAttr.getName(); |
247 |
s_name = t_name; |
248 |
} |
249 |
|
250 |
srcAtt = source.getType().getAttributeDescriptor(s_name); |
251 |
|
252 |
if (srcAtt != null |
253 |
&& /*
|
254 |
* This prevents the case when user has removed field and
|
255 |
* added new field with same name and different type.
|
256 |
* In that case, value will be the default value (else below)
|
257 |
*/ srcAtt.getType() == tAttr.getType()) {
|
258 |
|
259 |
target.set(t_name, source.get(s_name)); |
260 |
|
261 |
} else {
|
262 |
target.set(t_name, tAttr.getDefaultValue()); |
263 |
} |
264 |
} |
265 |
} |
266 |
|
267 |
public FeatureType getDefaultFeatureType() throws DataException { |
268 |
return this.ftTarget_non_editable; |
269 |
} |
270 |
|
271 |
public FeatureStore getFeatureStore() {
|
272 |
return (FeatureStore) this.wkRefStore.get(); |
273 |
} |
274 |
|
275 |
public List getFeatureTypes() throws DataException { |
276 |
if (this.ftypes == null) { |
277 |
this.ftypes = Arrays |
278 |
.asList(new FeatureType[]{this.ftTarget_non_editable}); |
279 |
} |
280 |
return this.ftypes; |
281 |
} |
282 |
|
283 |
public FeatureType getSourceFeatureTypeFrom(
|
284 |
FeatureType targetFeatureType) { |
285 |
EditableFeatureType orgType = ftSource.getEditable(); |
286 |
Iterator iter = orgType.iterator();
|
287 |
FeatureAttributeDescriptor attr; |
288 |
EditableFeatureAttributeDescriptor efad = null;
|
289 |
|
290 |
while (iter.hasNext()) {
|
291 |
attr = (FeatureAttributeDescriptor) iter.next(); |
292 |
if (!attrInSourceToUse.contains(attr.getName())) {
|
293 |
if (attr instanceof EditableFeatureAttributeDescriptor) { |
294 |
efad = (EditableFeatureAttributeDescriptor) attr; |
295 |
if (efad.getOriginalName() != null |
296 |
&& !attrInSourceToUse.contains(efad.getOriginalName())) { |
297 |
iter.remove(); |
298 |
} |
299 |
} else {
|
300 |
iter.remove(); |
301 |
} |
302 |
} |
303 |
} |
304 |
return orgType.getNotEditableCopy();
|
305 |
} |
306 |
|
307 |
public void setFeatureStore(FeatureStore featureStore) { |
308 |
this.wkRefStore = new WeakReference(featureStore); |
309 |
} |
310 |
|
311 |
public boolean isTransformsOriginalValues() { |
312 |
return false; |
313 |
} |
314 |
|
315 |
} |
316 |
|
317 |
public void restore(String id) { |
318 |
deleted.remove(id); |
319 |
deltaSize++; |
320 |
} |
321 |
|
322 |
public void restore(String id, int num) { |
323 |
if (added.containsKey(id)) {
|
324 |
added.put(id, new Integer(num)); |
325 |
} else {
|
326 |
modifiedFromOriginal.put(id, new Integer(num)); |
327 |
} |
328 |
} |
329 |
|
330 |
public boolean isDeleted(FeatureType type) { |
331 |
return deleted.contains(type.getId());
|
332 |
} |
333 |
|
334 |
public boolean isDeleted(String id) { |
335 |
return deleted.contains(id);
|
336 |
} |
337 |
|
338 |
public void clear() { |
339 |
added.clear(); |
340 |
modifiedFromOriginal.clear(); |
341 |
expansionAdapter.close(); |
342 |
deleted.clear();// <FeatureID>
|
343 |
deltaSize = 0;
|
344 |
} |
345 |
|
346 |
public boolean hasChanges() { |
347 |
return added.size() > 0 || modifiedFromOriginal.size() > 0 |
348 |
|| deleted.size() > 0;
|
349 |
} |
350 |
|
351 |
public Iterator newsIterator() { |
352 |
return added.values().iterator();
|
353 |
} |
354 |
|
355 |
public boolean hasNews() { |
356 |
return !added.isEmpty();
|
357 |
} |
358 |
|
359 |
public long getDeltaSize() { |
360 |
return deltaSize;
|
361 |
} |
362 |
|
363 |
public FeatureType getOriginalFeatureType() {
|
364 |
return originalType;
|
365 |
} |
366 |
|
367 |
public DefaultFeatureStoreTransforms getTransforms() {
|
368 |
return this.transforms; |
369 |
} |
370 |
|
371 |
public class FeatureTypeManagerFeatureStoreTransforms extends |
372 |
DefaultFeatureStoreTransforms { |
373 |
|
374 |
private FeatureTypeManagerFeatureStoreTransforms() {
|
375 |
|
376 |
} |
377 |
|
378 |
protected void checkEditingMode() { |
379 |
} |
380 |
|
381 |
protected void notifyChangeToStore() { |
382 |
} |
383 |
|
384 |
public PersistentState getState() throws PersistenceException { |
385 |
// FIXME
|
386 |
throw new UnsupportedOperationException(); |
387 |
} |
388 |
|
389 |
public void loadState(PersistentState state) |
390 |
throws PersistenceException {
|
391 |
// FIXME
|
392 |
throw new UnsupportedOperationException(); |
393 |
} |
394 |
|
395 |
public void loadFromState(PersistentState state) throws PersistenceException { |
396 |
// FIXME
|
397 |
throw new UnsupportedOperationException(); |
398 |
} |
399 |
|
400 |
public FeatureStoreTransform add(FeatureStoreTransform transform)
|
401 |
throws DataException {
|
402 |
if (!(transform instanceof UpdateFeatureTypeTransform)) { |
403 |
// FIXME
|
404 |
throw new IllegalArgumentException(); |
405 |
} |
406 |
return super.add(transform); |
407 |
} |
408 |
|
409 |
} |
410 |
|
411 |
public class FeatureTypesChangedItem implements FeatureTypeChanged { |
412 |
|
413 |
private FeatureType source;
|
414 |
private FeatureType target;
|
415 |
|
416 |
public FeatureTypesChangedItem(FeatureType source, FeatureType target) {
|
417 |
this.source = source;
|
418 |
this.target = target;
|
419 |
} |
420 |
|
421 |
public FeatureType getSource() {
|
422 |
return source;
|
423 |
} |
424 |
|
425 |
public FeatureType getTarget() {
|
426 |
return target;
|
427 |
} |
428 |
|
429 |
} |
430 |
|
431 |
public Iterator getFeatureTypesChanged() throws DataException { |
432 |
// FIXME this don't work for Store.fType.size() > 1
|
433 |
List list = new ArrayList(); |
434 |
if (modifiedFromOriginal.size() > 0) { |
435 |
FeatureType src = this.getOriginalFeatureType();
|
436 |
list.add(new FeatureTypesChangedItem(src, this.store |
437 |
.getFeatureType(src.getId()))); |
438 |
} |
439 |
return list.iterator();
|
440 |
} |
441 |
|
442 |
} |