gvsig-projects-pool / org.gvsig.topology / trunk / org.gvsig.topology / org.gvsig.topology.lib / org.gvsig.topology.lib.impl / src / main / java / org / gvsig / topology / lib / impl / DefaultTopologyDataSet.java @ 727
History | View | Annotate | Download (13.5 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.topology.lib.impl; |
25 |
|
26 |
import java.util.Iterator; |
27 |
import java.util.Map; |
28 |
import org.apache.commons.collections.IteratorUtils; |
29 |
import org.apache.commons.lang3.StringUtils; |
30 |
import org.apache.commons.lang3.mutable.MutableObject; |
31 |
import org.gvsig.expressionevaluator.Expression; |
32 |
import org.gvsig.fmap.dal.DataStore; |
33 |
import org.gvsig.fmap.dal.EditingNotification; |
34 |
import org.gvsig.fmap.dal.EditingNotificationManager; |
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.FeatureAttributeDescriptor; |
39 |
import org.gvsig.fmap.dal.feature.FeatureReference; |
40 |
import org.gvsig.fmap.dal.feature.FeatureStore; |
41 |
import org.gvsig.fmap.dal.feature.FeatureStoreProviderFactory; |
42 |
import org.gvsig.fmap.dal.feature.FeatureType; |
43 |
import org.gvsig.fmap.dal.swing.DALSwingLocator; |
44 |
import org.gvsig.fmap.geom.Geometry; |
45 |
import org.gvsig.fmap.geom.GeometryLocator; |
46 |
import org.gvsig.fmap.geom.GeometryManager; |
47 |
import org.gvsig.fmap.geom.SpatialIndex; |
48 |
import org.gvsig.fmap.geom.type.GeometryType; |
49 |
import org.gvsig.tools.exception.BaseException; |
50 |
import org.gvsig.tools.util.PropertiesSupportHelper; |
51 |
import org.gvsig.tools.visitor.VisitCanceledException; |
52 |
import org.gvsig.tools.visitor.Visitor; |
53 |
import org.gvsig.topology.lib.api.CancelOperationException; |
54 |
import org.gvsig.topology.lib.api.PerformOperationException; |
55 |
import org.gvsig.topology.lib.api.TopologyDataSet; |
56 |
import org.gvsig.topology.lib.api.TopologyLocator; |
57 |
import org.gvsig.topology.lib.api.TopologyManager; |
58 |
import org.json.JSONObject; |
59 |
import org.gvsig.topology.lib.api.TopologyServices; |
60 |
import org.slf4j.Logger; |
61 |
import org.slf4j.LoggerFactory; |
62 |
|
63 |
/**
|
64 |
*
|
65 |
* @author jjdelcerro
|
66 |
*/
|
67 |
@SuppressWarnings({"EqualsAndHashcode","UseSpecificCatch"}) |
68 |
public class DefaultTopologyDataSet implements TopologyDataSet { |
69 |
|
70 |
private final static Logger LOGGER = LoggerFactory.getLogger(DefaultTopologyDataSet.class); |
71 |
|
72 |
private TopologyServices services;
|
73 |
private String name; |
74 |
private DataStore store;
|
75 |
private boolean needFinishEditing; |
76 |
private String fullName; |
77 |
private PropertiesSupportHelper propertiesHelper;
|
78 |
private MutableObject<SpatialIndex> spatialIndex = null; |
79 |
|
80 |
public DefaultTopologyDataSet() {
|
81 |
this.services = null; |
82 |
this.name = null; |
83 |
this.store = null; |
84 |
this.needFinishEditing = false; |
85 |
this.fullName = null; |
86 |
this.propertiesHelper = new PropertiesSupportHelper(); |
87 |
} |
88 |
|
89 |
public DefaultTopologyDataSet(TopologyServices services, String name, DataStore store) { |
90 |
this.services = services;
|
91 |
this.name = name;
|
92 |
this.store = store;
|
93 |
this.needFinishEditing = false; |
94 |
if( store!=null ) { |
95 |
this.fullName = store.getFullName();
|
96 |
} |
97 |
} |
98 |
|
99 |
public void restart() { |
100 |
this.store = null; |
101 |
this.spatialIndex = null; |
102 |
} |
103 |
|
104 |
@Override
|
105 |
public boolean equals(Object obj) { |
106 |
if( !(obj instanceof DefaultTopologyDataSet) ) { |
107 |
return false; |
108 |
} |
109 |
DefaultTopologyDataSet other = (DefaultTopologyDataSet)obj; |
110 |
if( this.store != other.store ) { |
111 |
return false; |
112 |
} |
113 |
if( !StringUtils.equals(this.getName(), other.getName()) ) { |
114 |
return false; |
115 |
} |
116 |
return true; |
117 |
} |
118 |
|
119 |
@Override
|
120 |
public String getName() { |
121 |
return this.name; |
122 |
} |
123 |
|
124 |
@Override
|
125 |
public void setName(String name) { |
126 |
this.name = name;
|
127 |
} |
128 |
|
129 |
@Override
|
130 |
public String toString() { |
131 |
try {
|
132 |
FeatureAttributeDescriptor attr = this.getFeatureStore().getDefaultFeatureType().getDefaultGeometryAttribute();
|
133 |
String geomType = attr.getGeomType().getName();
|
134 |
return this.name + " ("+ geomType + ")"; |
135 |
} catch(Exception ex) { |
136 |
return this.name ; |
137 |
} |
138 |
} |
139 |
|
140 |
@Override
|
141 |
public DataStore getStore() {
|
142 |
if (this.store == null) { |
143 |
this.store = this.services.getFeatureStore(this); |
144 |
} |
145 |
return this.store; |
146 |
} |
147 |
|
148 |
@Override
|
149 |
public FeatureStore getFeatureStore() {
|
150 |
if (this.store == null) { |
151 |
this.store = this.services.getFeatureStore(this); |
152 |
} |
153 |
return (FeatureStore) this.store; |
154 |
} |
155 |
|
156 |
@Override
|
157 |
public long getSize() { |
158 |
try {
|
159 |
long size = this.getFeatureStore().getFeatureCount(); |
160 |
return size;
|
161 |
} catch (DataException ex) {
|
162 |
// TODO: mensage al log
|
163 |
return 0; |
164 |
} |
165 |
} |
166 |
|
167 |
@Override
|
168 |
public boolean isThisStore(FeatureStore store) { |
169 |
if( store == null ) { |
170 |
return false; |
171 |
} |
172 |
return StringUtils.equals(this.fullName, store.getFullName()); |
173 |
} |
174 |
|
175 |
@Override
|
176 |
public int getGeometryType() { |
177 |
try {
|
178 |
FeatureStore theStore = this.getFeatureStore();
|
179 |
FeatureType featureType = theStore.getDefaultFeatureType(); |
180 |
FeatureAttributeDescriptor attr = featureType.getDefaultGeometryAttribute(); |
181 |
GeometryType geomType = attr.getGeomType(); |
182 |
return geomType.getType();
|
183 |
} catch (Exception ex) { |
184 |
return Geometry.TYPES.GEOMETRY;
|
185 |
} |
186 |
} |
187 |
|
188 |
@Override
|
189 |
public void accept(Visitor visitor) throws VisitCanceledException { |
190 |
FeatureStore st = this.getFeatureStore();
|
191 |
try {
|
192 |
st.accept(visitor); |
193 |
} catch(VisitCanceledException ex) {
|
194 |
throw ex;
|
195 |
} catch(BaseException ex) {
|
196 |
throw new RuntimeException(ex); |
197 |
} |
198 |
} |
199 |
|
200 |
@Override
|
201 |
public void edit() throws DataException { |
202 |
FeatureStore theStore = this.getFeatureStore();
|
203 |
if (!theStore.isEditing()) {
|
204 |
theStore.edit(); |
205 |
this.needFinishEditing = true; |
206 |
} |
207 |
} |
208 |
|
209 |
@Override
|
210 |
public void finishEditing() throws DataException { |
211 |
if (this.needFinishEditing) { |
212 |
this.getFeatureStore().finishEditing();
|
213 |
} |
214 |
} |
215 |
|
216 |
@Override
|
217 |
public EditableFeature createNewFeature() throws DataException { |
218 |
EditableFeature f = this.getFeatureStore().createNewFeature();
|
219 |
return f;
|
220 |
} |
221 |
|
222 |
public void perform( |
223 |
String operation,
|
224 |
Feature feature |
225 |
) throws DataException {
|
226 |
this.edit();
|
227 |
|
228 |
EditingNotificationManager editingNotificationManager |
229 |
= DALSwingLocator.getEditingNotificationManager(); |
230 |
FeatureStore theStore = this.getFeatureStore();
|
231 |
|
232 |
EditingNotification notification |
233 |
= editingNotificationManager.notifyObservers(this, // source |
234 |
operation, // type
|
235 |
null,// document |
236 |
null,// layer |
237 |
theStore,// store
|
238 |
feature// feature
|
239 |
); |
240 |
|
241 |
if (notification.isCanceled()) {
|
242 |
String msg = String.format( |
243 |
"Can't insert feature into %1$s, canceled by some observer.",
|
244 |
this.getName());
|
245 |
throw new CancelOperationException(msg); |
246 |
} |
247 |
|
248 |
String after = null; |
249 |
if( operation.equalsIgnoreCase(EditingNotification.BEFORE_REMOVE_FEATURE) ) {
|
250 |
theStore.delete(feature); |
251 |
after = EditingNotification.AFTER_REMOVE_FEATURE; |
252 |
|
253 |
} else {
|
254 |
if (notification.shouldValidateTheFeature()) {
|
255 |
if (!editingNotificationManager.validateFeature(feature)) {
|
256 |
String msg = String.format("%1$s is not valid", feature.toString()); |
257 |
throw new PerformOperationException(msg); |
258 |
} |
259 |
} |
260 |
switch(operation) {
|
261 |
case EditingNotification.BEFORE_UPDATE_FEATURE:
|
262 |
theStore.update((EditableFeature) feature); |
263 |
after = EditingNotification.AFTER_UPDATE_FEATURE; |
264 |
break;
|
265 |
|
266 |
case EditingNotification.BEFORE_INSERT_FEATURE:
|
267 |
theStore.insert((EditableFeature) feature); |
268 |
after = EditingNotification.AFTER_INSERT_FEATURE; |
269 |
break;
|
270 |
} |
271 |
} |
272 |
|
273 |
editingNotificationManager.notifyObservers(this,
|
274 |
after, null, null, |
275 |
theStore, feature); |
276 |
|
277 |
} |
278 |
|
279 |
@Override
|
280 |
public void insert(final EditableFeature feature) throws DataException { |
281 |
perform( |
282 |
EditingNotification.BEFORE_INSERT_FEATURE, |
283 |
feature |
284 |
); |
285 |
} |
286 |
|
287 |
@Override
|
288 |
public void update(final EditableFeature feature) throws DataException { |
289 |
perform( |
290 |
EditingNotification.BEFORE_UPDATE_FEATURE, |
291 |
feature |
292 |
); |
293 |
} |
294 |
|
295 |
@Override
|
296 |
public void delete(final Feature feature) throws DataException { |
297 |
perform( |
298 |
EditingNotification.BEFORE_REMOVE_FEATURE, |
299 |
feature |
300 |
); |
301 |
} |
302 |
|
303 |
@Override
|
304 |
public void delete(final FeatureReference feature) throws DataException { |
305 |
perform( |
306 |
EditingNotification.BEFORE_REMOVE_FEATURE, |
307 |
feature.getFeature() |
308 |
); |
309 |
} |
310 |
|
311 |
@Override
|
312 |
public JSONObject toJSON() {
|
313 |
JSONObject jsonDataSet = new JSONObject();
|
314 |
jsonDataSet.put("name", this.name); |
315 |
jsonDataSet.put("fullName", this.fullName); |
316 |
|
317 |
return jsonDataSet;
|
318 |
} |
319 |
|
320 |
@Override
|
321 |
public void fromJSON(String json) { |
322 |
this.fromJSON(new JSONObject(json)); |
323 |
} |
324 |
|
325 |
@Override
|
326 |
public void fromJSON(JSONObject json) { |
327 |
TopologyManager manager = TopologyLocator.getTopologyManager(); |
328 |
this.name = json.getString("name"); |
329 |
this.fullName = null; |
330 |
if( json.has("fullName") ) { |
331 |
this.fullName = json.getString("fullName"); |
332 |
} |
333 |
this.store = null; |
334 |
this.needFinishEditing = false; |
335 |
this.services = manager.getDefaultServices();
|
336 |
} |
337 |
|
338 |
@Override
|
339 |
public Object getProperty(String string) { |
340 |
return this.propertiesHelper.getProperty(name); |
341 |
} |
342 |
|
343 |
@Override
|
344 |
public void setProperty(String string, Object o) { |
345 |
this.propertiesHelper.setProperty(name, o);
|
346 |
} |
347 |
|
348 |
@Override
|
349 |
public Map<String, Object> getProperties() { |
350 |
return this.propertiesHelper.getProperties(); |
351 |
} |
352 |
|
353 |
public SpatialIndex getSpatialIndex() {
|
354 |
if( this.spatialIndex == null ) { |
355 |
this.spatialIndex = new MutableObject<>(); |
356 |
FeatureStore theStore = this.getFeatureStore();
|
357 |
FeatureStoreProviderFactory storeFactory = (FeatureStoreProviderFactory) theStore.getProviderFactory(); |
358 |
if( storeFactory.useLocalIndexesCanImprovePerformance()==FeatureStoreProviderFactory.YES ) {
|
359 |
try {
|
360 |
GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
361 |
final SpatialIndex geomIndex = geomManager.createSpatialIndex(
|
362 |
GeometryManager.SPATIALINDEX_DEFAULT_QUADTREE, |
363 |
null
|
364 |
); |
365 |
final SpatialIndex dataIndex = theStore.wrapSpatialIndex(geomIndex);
|
366 |
try {
|
367 |
store.accept(new Visitor() {
|
368 |
@Override
|
369 |
public void visit(Object o) throws VisitCanceledException, BaseException { |
370 |
Feature f = (Feature) o; |
371 |
Geometry geom = f.getDefaultGeometry(); |
372 |
if (geom != null) { |
373 |
dataIndex.insert(geom, f); |
374 |
} |
375 |
} |
376 |
}); |
377 |
} catch (VisitCanceledException ex) {
|
378 |
} |
379 |
this.spatialIndex.setValue(dataIndex);
|
380 |
} catch (Exception ex) { |
381 |
LOGGER.warn("Can't create spatial index", ex);
|
382 |
} |
383 |
} |
384 |
} |
385 |
return this.spatialIndex.getValue(); |
386 |
} |
387 |
|
388 |
public Iterable<FeatureReference> query(Geometry geom) { |
389 |
SpatialIndex index = this.getSpatialIndex();
|
390 |
if( index == null ) { |
391 |
return (Iterable<FeatureReference>) IteratorUtils.EMPTY_ITERATOR; |
392 |
} |
393 |
final Iterator it = index.query(geom); |
394 |
if( it == null ) { |
395 |
return (Iterable<FeatureReference>) IteratorUtils.EMPTY_ITERATOR; |
396 |
} |
397 |
return new Iterable<FeatureReference>() { |
398 |
@Override
|
399 |
public Iterator<FeatureReference> iterator() { |
400 |
return it;
|
401 |
} |
402 |
}; |
403 |
} |
404 |
|
405 |
@Override
|
406 |
public Feature findFirst(Expression filter) { |
407 |
try {
|
408 |
return this.getFeatureStore().findFirst(filter); |
409 |
} catch (Exception ex) { |
410 |
return null; |
411 |
} |
412 |
} |
413 |
|
414 |
} |