svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.db / org.gvsig.fmap.dal.db.jdbc / src / main / java / org / gvsig / fmap / dal / store / jdbc2 / spi / JDBCStoreProviderBase.java @ 43020
History | View | Annotate | Download (16.3 KB)
1 |
package org.gvsig.fmap.dal.store.jdbc2.spi; |
---|---|
2 |
|
3 |
import org.gvsig.fmap.dal.store.jdbc2.JDBCStoreProvider; |
4 |
import java.util.Arrays; |
5 |
import java.util.Collections; |
6 |
import java.util.Iterator; |
7 |
import java.util.List; |
8 |
import org.cresques.cts.IProjection; |
9 |
import org.gvsig.fmap.dal.DALLocator; |
10 |
import org.gvsig.fmap.dal.DataManager; |
11 |
import org.gvsig.fmap.dal.DataServerExplorer; |
12 |
import org.gvsig.fmap.dal.DataStore; |
13 |
import org.gvsig.fmap.dal.DataStoreNotification; |
14 |
import org.gvsig.fmap.dal.DataTypes; |
15 |
import org.gvsig.fmap.dal.exception.CloseException; |
16 |
import org.gvsig.fmap.dal.exception.DataException; |
17 |
import org.gvsig.fmap.dal.exception.InitializeException; |
18 |
import org.gvsig.fmap.dal.exception.OpenException; |
19 |
import org.gvsig.fmap.dal.exception.ReadException; |
20 |
import org.gvsig.fmap.dal.feature.EditableFeatureType; |
21 |
import org.gvsig.fmap.dal.feature.FeatureQuery; |
22 |
import org.gvsig.fmap.dal.feature.FeatureRule; |
23 |
import org.gvsig.fmap.dal.feature.FeatureRules; |
24 |
import org.gvsig.fmap.dal.feature.FeatureType; |
25 |
import org.gvsig.fmap.dal.feature.spi.AbstractFeatureStoreProvider; |
26 |
import org.gvsig.fmap.dal.feature.spi.FeatureProvider; |
27 |
import org.gvsig.fmap.dal.feature.spi.FeatureReferenceProviderServices; |
28 |
import org.gvsig.fmap.dal.feature.spi.FeatureSetProvider; |
29 |
import org.gvsig.fmap.dal.resource.spi.ResourceConsumer; |
30 |
import org.gvsig.fmap.dal.resource.spi.ResourceProvider; |
31 |
import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
32 |
//import org.gvsig.fmap.dal.store.jdbc2.JDBCServerExplorerBase;
|
33 |
import org.gvsig.fmap.dal.store.jdbc.JDBCServerExplorerParameters; |
34 |
import org.gvsig.fmap.dal.store.jdbc.JDBCStoreParameters; |
35 |
import org.gvsig.fmap.dal.store.jdbc2.JDBCHelper; |
36 |
import org.gvsig.fmap.dal.store.jdbc2.JDBCUtils; |
37 |
import org.gvsig.fmap.dal.store.jdbc2.OperationsFactory; |
38 |
import org.gvsig.fmap.dal.store.jdbc2.ResulSetControler; |
39 |
import org.gvsig.fmap.dal.store.jdbc2.impl.JDBCSetProvider; |
40 |
import org.gvsig.fmap.dal.store.jdbc2.spi.operations.AppendOperation; |
41 |
import org.gvsig.fmap.dal.store.jdbc2.spi.operations.CalculateEnvelopeOfColumnOperation; |
42 |
import org.gvsig.fmap.dal.store.jdbc2.spi.operations.CanModifyTableOperation; |
43 |
import org.gvsig.fmap.dal.store.jdbc2.spi.operations.CountOperation; |
44 |
import org.gvsig.fmap.dal.store.jdbc2.spi.operations.FetchFeatureProviderByReferenceOperation; |
45 |
import org.gvsig.fmap.dal.store.jdbc2.spi.operations.FetchFeatureTypeOperation; |
46 |
import org.gvsig.fmap.dal.store.jdbc2.spi.operations.PerformChangesOperation; |
47 |
import org.gvsig.fmap.geom.primitive.Envelope; |
48 |
import org.gvsig.tools.dynobject.DynObject; |
49 |
import org.gvsig.tools.dynobject.exception.DynFieldNotFoundException; |
50 |
import org.gvsig.tools.exception.BaseException; |
51 |
import org.slf4j.Logger; |
52 |
import org.slf4j.LoggerFactory; |
53 |
|
54 |
public class JDBCStoreProviderBase |
55 |
extends AbstractFeatureStoreProvider
|
56 |
implements ResourceConsumer, JDBCStoreProvider {
|
57 |
|
58 |
final static private Logger logger = LoggerFactory.getLogger(JDBCStoreProviderBase.class); |
59 |
|
60 |
public class CountValue implements CalculatedValue<Long> { |
61 |
|
62 |
private Long value = null; |
63 |
|
64 |
@Override
|
65 |
public void calculate() { |
66 |
JDBCStoreParameters params = getParameters(); |
67 |
CountOperation count = getOperations().createCount( |
68 |
params.getDBName(), |
69 |
params.getSchema(), |
70 |
params.getTable(), |
71 |
params.getSQL(), |
72 |
params.getBaseFilter(), |
73 |
null
|
74 |
); |
75 |
this.value = (Long) count.perform(); |
76 |
} |
77 |
|
78 |
@Override
|
79 |
public void reset() { |
80 |
this.value = null; |
81 |
} |
82 |
|
83 |
@Override
|
84 |
public Long get() { |
85 |
if( this.value == null ) { |
86 |
this.calculate();
|
87 |
} |
88 |
return this.value; |
89 |
} |
90 |
} |
91 |
|
92 |
public class EnvelopeValue implements CalculatedValue<Envelope> { |
93 |
|
94 |
private Envelope value = null; |
95 |
|
96 |
@Override
|
97 |
public void calculate() { |
98 |
try {
|
99 |
String columnName = getFeatureStore()
|
100 |
.getDefaultFeatureType() |
101 |
.getDefaultGeometryAttributeName(); |
102 |
IProjection crs = getFeatureStore() |
103 |
.getDefaultFeatureType() |
104 |
.getDefaultSRS(); |
105 |
JDBCStoreParameters params = getParameters(); |
106 |
CalculateEnvelopeOfColumnOperation calculateEnvelopeOfColumn = |
107 |
getOperations().createCalculateEnvelopeOfColumn( |
108 |
params.getSQL(), |
109 |
params.getDBName(), |
110 |
params.getSchema(), |
111 |
params.getTable(), |
112 |
columnName, |
113 |
params.getBaseFilter(), |
114 |
params.getWorkingArea(), |
115 |
crs |
116 |
); |
117 |
value = (Envelope) calculateEnvelopeOfColumn.perform(); |
118 |
} catch(Exception ex) { |
119 |
throw new RuntimeException("Can't calculate envelope.", ex); |
120 |
} |
121 |
} |
122 |
|
123 |
@Override
|
124 |
public void reset() { |
125 |
this.value = null; |
126 |
} |
127 |
|
128 |
@Override
|
129 |
public Envelope get() {
|
130 |
if( this.value == null ) { |
131 |
this.calculate();
|
132 |
} |
133 |
return this.value; |
134 |
} |
135 |
} |
136 |
|
137 |
public class AllowWriteValue implements CalculatedValue<Boolean> { |
138 |
|
139 |
private Boolean value = null; |
140 |
|
141 |
@Override
|
142 |
public void calculate() { |
143 |
try {
|
144 |
JDBCStoreParameters params = getParameters(); |
145 |
CanModifyTableOperation canModifyTable = |
146 |
getOperations().createCanModifyTableOperation( |
147 |
params.getDBName(), |
148 |
params.getSchema(), |
149 |
params.getTable() |
150 |
); |
151 |
this.value = (boolean) canModifyTable.perform(); |
152 |
} catch(Exception ex) { |
153 |
throw new RuntimeException("Can't determine if allow write.", ex); |
154 |
} |
155 |
} |
156 |
|
157 |
@Override
|
158 |
public void reset() { |
159 |
this.value = null; |
160 |
} |
161 |
|
162 |
@Override
|
163 |
public Boolean get() { |
164 |
if( this.value == null ) { |
165 |
this.calculate();
|
166 |
} |
167 |
return this.value; |
168 |
} |
169 |
} |
170 |
|
171 |
protected final JDBCHelper helper; |
172 |
|
173 |
protected CalculatedValue<Long> count = null; |
174 |
|
175 |
protected CalculatedValue<Envelope> envelope = null; |
176 |
|
177 |
protected CalculatedValue<Boolean> allowWrite = null; |
178 |
|
179 |
protected AppendOperation appendOperation = null; |
180 |
|
181 |
protected JDBCStoreProviderBase(
|
182 |
JDBCStoreParameters params, |
183 |
DataStoreProviderServices storeServices, |
184 |
DynObject metadata, |
185 |
JDBCHelper helper |
186 |
) throws InitializeException {
|
187 |
super(params, storeServices, metadata);
|
188 |
this.helper = helper;
|
189 |
this.initializeFeatureType();
|
190 |
} |
191 |
|
192 |
|
193 |
@Override
|
194 |
public JDBCSQLBuilderBase createExpressionBuilder() {
|
195 |
return this.getHelper().createSQLBuilder(); |
196 |
} |
197 |
|
198 |
@Override
|
199 |
public JDBCStoreParameters getParameters() {
|
200 |
return (JDBCStoreParameters) super.getParameters(); |
201 |
} |
202 |
|
203 |
@Override
|
204 |
public JDBCHelper getHelper() {
|
205 |
return helper;
|
206 |
} |
207 |
|
208 |
public OperationsFactory getOperations() {
|
209 |
return this.getHelper().getOperations(); |
210 |
} |
211 |
|
212 |
@Override
|
213 |
public String getProviderName() { |
214 |
return this.getHelper().getProviderName(); |
215 |
} |
216 |
|
217 |
@Override
|
218 |
public int getOIDType() { |
219 |
return DataTypes.UNKNOWN;
|
220 |
} |
221 |
|
222 |
@Override
|
223 |
public Object createNewOID() { |
224 |
return null; |
225 |
} |
226 |
|
227 |
@Override
|
228 |
public boolean allowAutomaticValues() { |
229 |
return this.getHelper().allowAutomaticValues(); |
230 |
} |
231 |
|
232 |
@Override
|
233 |
public boolean allowWrite() { |
234 |
return this.getAllowWriteValue().get(); |
235 |
} |
236 |
|
237 |
@Override
|
238 |
public Object getDynValue(String name) throws DynFieldNotFoundException { |
239 |
try {
|
240 |
if (DataStore.METADATA_ENVELOPE.equalsIgnoreCase(name)) {
|
241 |
Envelope env = this.getEnvelope();
|
242 |
if (env != null) { |
243 |
return env;
|
244 |
} |
245 |
} else if (DataStore.METADATA_CRS.equalsIgnoreCase(name)) { |
246 |
IProjection proj; |
247 |
proj = this.getFeatureStore().getDefaultFeatureType().getDefaultSRS();
|
248 |
if (proj != null) { |
249 |
return proj;
|
250 |
} |
251 |
} |
252 |
} catch (DataException e) {
|
253 |
throw new RuntimeException(e); |
254 |
} |
255 |
return super.getDynValue(name); |
256 |
} |
257 |
|
258 |
@Override
|
259 |
public CalculatedValue<Long> getCountValue() { |
260 |
if( this.count == null ) { |
261 |
this.count = new CountValue(); |
262 |
} |
263 |
return this.count; |
264 |
} |
265 |
|
266 |
@Override
|
267 |
public CalculatedValue<Envelope> getEnvelopeValue() {
|
268 |
if( this.envelope == null ) { |
269 |
this.envelope = new EnvelopeValue(); |
270 |
} |
271 |
return this.envelope; |
272 |
} |
273 |
|
274 |
@Override
|
275 |
public CalculatedValue<Boolean> getAllowWriteValue() { |
276 |
if( this.allowWrite == null ) { |
277 |
this.allowWrite = new AllowWriteValue(); |
278 |
} |
279 |
return this.allowWrite; |
280 |
} |
281 |
|
282 |
@Override
|
283 |
public long getFeatureCount() throws DataException { |
284 |
return this.getCountValue().get(); |
285 |
} |
286 |
|
287 |
@Override
|
288 |
public boolean closeResourceRequested(ResourceProvider resource) { |
289 |
ResulSetControler resulSetControler = this.getHelper().getResulSetControler();
|
290 |
resulSetControler.pack(); |
291 |
return resulSetControler.getOpenCount() == 0; |
292 |
} |
293 |
|
294 |
@Override
|
295 |
public void close() throws CloseException { |
296 |
JDBCUtils.closeQuietly(this.getHelper());
|
297 |
} |
298 |
|
299 |
@Override
|
300 |
public void resourceChanged(ResourceProvider resource) { |
301 |
this.getStoreServices().notifyChange(
|
302 |
DataStoreNotification.RESOURCE_CHANGED, |
303 |
resource |
304 |
); |
305 |
} |
306 |
|
307 |
@Override
|
308 |
public DataServerExplorer getExplorer() throws ReadException { |
309 |
DataManager manager = DALLocator.getDataManager(); |
310 |
JDBCServerExplorerParameters exParams; |
311 |
JDBCStoreParameters params = getParameters(); |
312 |
try {
|
313 |
exParams = this.getHelper().createServerExplorerParameters();
|
314 |
exParams.setHost(params.getHost()); |
315 |
exParams.setPort(params.getPort()); |
316 |
exParams.setDBName(params.getDBName()); |
317 |
exParams.setUser(params.getUser()); |
318 |
exParams.setPassword(params.getPassword()); |
319 |
exParams.setUrl(params.getUrl()); |
320 |
exParams.setCatalog(params.getCatalog()); |
321 |
exParams.setSchema(params.getSchema()); |
322 |
exParams.setJDBCDriverClassName(params.getJDBCDriverClassName()); |
323 |
|
324 |
return manager.openServerExplorer(exParams.getExplorerName(), exParams);
|
325 |
} catch (Exception e) { |
326 |
throw new ReadException(this.getProviderName(), e); |
327 |
} |
328 |
} |
329 |
|
330 |
@Override
|
331 |
protected void doDispose() throws BaseException { |
332 |
this.close();
|
333 |
this.getHelper().dispose();
|
334 |
super.doDispose();
|
335 |
} |
336 |
|
337 |
@Override
|
338 |
public String getSourceId() { |
339 |
return this.getHelper().getSourceId(this.getParameters()); |
340 |
} |
341 |
|
342 |
@Override
|
343 |
public String getName() { |
344 |
return this.getParameters().tableID(); |
345 |
} |
346 |
|
347 |
@Override
|
348 |
public String getFullName() { |
349 |
return this.getHelper().getSourceId(this.getParameters()); |
350 |
} |
351 |
|
352 |
@Override
|
353 |
public ResourceProvider getResource() {
|
354 |
return getHelper().getResource();
|
355 |
} |
356 |
|
357 |
@Override
|
358 |
public void open() throws OpenException { |
359 |
|
360 |
} |
361 |
|
362 |
@Override
|
363 |
public FeatureSetProvider createSet(
|
364 |
FeatureQuery query, |
365 |
FeatureType featureType |
366 |
) throws DataException {
|
367 |
|
368 |
FeatureSetProvider set = new JDBCSetProvider(
|
369 |
this,
|
370 |
this.getHelper(),
|
371 |
query, |
372 |
featureType |
373 |
); |
374 |
|
375 |
return set;
|
376 |
} |
377 |
|
378 |
protected void initializeFeatureType() { |
379 |
EditableFeatureType type = this.getStoreServices().createFeatureType(getName());
|
380 |
JDBCStoreParameters params = this.getParameters();
|
381 |
List<String> primaryKeys = null; |
382 |
if( params.getPkFields() != null ) { |
383 |
primaryKeys = Arrays.asList(params.getPkFields());
|
384 |
} |
385 |
FetchFeatureTypeOperation fetchFeatureType = |
386 |
this.getOperations().createFetchFeatureType(
|
387 |
type, |
388 |
params.getDBName(), |
389 |
params.getSchema(), |
390 |
params.getTable(), |
391 |
primaryKeys, |
392 |
params.getDefaultGeometryField(), |
393 |
params.getCRS() |
394 |
); |
395 |
fetchFeatureType.perform(); |
396 |
|
397 |
FeatureType defaultType = type.getNotEditableCopy(); |
398 |
List<FeatureType> types = Collections.singletonList(defaultType); |
399 |
this.getStoreServices().setFeatureTypes(types, defaultType);
|
400 |
} |
401 |
|
402 |
@Override
|
403 |
protected FeatureProvider internalGetFeatureProviderByReference(
|
404 |
FeatureReferenceProviderServices reference, |
405 |
FeatureType featureType |
406 |
) throws DataException {
|
407 |
JDBCStoreParameters params = this.getParameters();
|
408 |
FetchFeatureProviderByReferenceOperation fetchFeatureProviderByReference = |
409 |
this.getOperations().createFetchFeatureProviderByReference(
|
410 |
reference, |
411 |
featureType, |
412 |
params.getDBName(), |
413 |
params.getSchema(), |
414 |
params.getTable() |
415 |
); |
416 |
FeatureProvider feature = (FeatureProvider) fetchFeatureProviderByReference.perform(); |
417 |
return feature;
|
418 |
} |
419 |
|
420 |
@Override
|
421 |
public Envelope getEnvelope() throws DataException { |
422 |
return this.getEnvelopeValue().get(); |
423 |
} |
424 |
|
425 |
@Override
|
426 |
public void performChanges(Iterator deleteds, Iterator inserteds, |
427 |
Iterator updateds, Iterator featureTypesChanged) |
428 |
throws DataException {
|
429 |
|
430 |
FeatureType type = this.getFeatureStore().getDefaultFeatureType();
|
431 |
JDBCStoreParameters params = this.getParameters();
|
432 |
PerformChangesOperation performChanges = this.getOperations().createPerformChanges(
|
433 |
params.getDBName(), |
434 |
params.getSchema(), |
435 |
params.getTable(), |
436 |
type, |
437 |
deleteds, |
438 |
inserteds, |
439 |
updateds, |
440 |
featureTypesChanged |
441 |
); |
442 |
performChanges.perform(); |
443 |
if( performChanges.isTypeChanged() ) {
|
444 |
// Get rules before initializing feature type
|
445 |
FeatureRules saved_rules = getFeatureStore().getDefaultFeatureType().getRules(); |
446 |
|
447 |
// This initialization loses the feature type rules
|
448 |
this.initializeFeatureType();
|
449 |
|
450 |
// Get new feature type, clear rules and add the ones saved previously
|
451 |
FeatureType featureType = getFeatureStore().getDefaultFeatureType(); |
452 |
FeatureRules rules = featureType.getRules(); |
453 |
rules.clear(); |
454 |
for (FeatureRule rule : saved_rules) {
|
455 |
rules.add(rule); |
456 |
} |
457 |
} |
458 |
this.getCountValue().reset();
|
459 |
this.getEnvelopeValue().reset();
|
460 |
} |
461 |
|
462 |
@Override
|
463 |
public boolean supportsAppendMode() { |
464 |
return true; |
465 |
} |
466 |
|
467 |
protected AppendOperation getAppendOperation() throws DataException { |
468 |
if( this.appendOperation == null ) { |
469 |
FeatureType type = this.getFeatureStore().getDefaultFeatureType();
|
470 |
JDBCStoreParameters params = this.getParameters();
|
471 |
this.appendOperation = this.getOperations().createAppend( |
472 |
params.getDBName(), |
473 |
params.getSchema(), |
474 |
params.getTable(), |
475 |
type |
476 |
); |
477 |
} |
478 |
return this.appendOperation; |
479 |
} |
480 |
|
481 |
@Override
|
482 |
public void endAppend() throws DataException { |
483 |
this.getAppendOperation().end();
|
484 |
} |
485 |
|
486 |
@Override
|
487 |
public void beginAppend() throws DataException { |
488 |
this.getAppendOperation().begin();
|
489 |
} |
490 |
|
491 |
@Override
|
492 |
public void append(final FeatureProvider featureProvider) throws DataException { |
493 |
this.getAppendOperation().append(featureProvider);
|
494 |
} |
495 |
|
496 |
@Override
|
497 |
public boolean canWriteGeometry(int geometryType, int geometrySubtype) |
498 |
throws DataException {
|
499 |
return this.getHelper().canWriteGeometry(geometryType,geometrySubtype); |
500 |
} |
501 |
} |