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 / jdbc / JDBCStoreProvider.java @ 40559
History | View | Annotate | Download (24.5 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 |
/* gvSIG. Geographic Information System of the Valencian Government
|
25 |
*
|
26 |
* Copyright (C) 2007-2008 Infrastructures and Transports Department
|
27 |
* of the Valencian Government (CIT)
|
28 |
*
|
29 |
* This program is free software; you can redistribute it and/or
|
30 |
* modify it under the terms of the GNU General Public License
|
31 |
* as published by the Free Software Foundation; either version 2
|
32 |
* of the License, or (at your option) any later version.
|
33 |
*
|
34 |
* This program is distributed in the hope that it will be useful,
|
35 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
36 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
37 |
* GNU General Public License for more details.
|
38 |
*
|
39 |
* You should have received a copy of the GNU General Public License
|
40 |
* along with this program; if not, write to the Free Software
|
41 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
42 |
* MA 02110-1301, USA.
|
43 |
*
|
44 |
*/
|
45 |
|
46 |
/*
|
47 |
* AUTHORS (In addition to CIT):
|
48 |
* 2009 IVER T.I {{Task}}
|
49 |
*/
|
50 |
|
51 |
/**
|
52 |
*
|
53 |
*/
|
54 |
package org.gvsig.fmap.dal.store.jdbc; |
55 |
|
56 |
import java.security.InvalidParameterException; |
57 |
import java.sql.Connection; |
58 |
import java.sql.PreparedStatement; |
59 |
import java.sql.ResultSet; |
60 |
import java.sql.SQLException; |
61 |
import java.sql.Statement; |
62 |
import java.util.ArrayList; |
63 |
import java.util.Collections; |
64 |
import java.util.Iterator; |
65 |
import java.util.List; |
66 |
|
67 |
import org.cresques.cts.IProjection; |
68 |
import org.gvsig.fmap.dal.DALLocator; |
69 |
import org.gvsig.fmap.dal.DataManager; |
70 |
import org.gvsig.fmap.dal.DataServerExplorer; |
71 |
import org.gvsig.fmap.dal.DataStore; |
72 |
import org.gvsig.fmap.dal.DataStoreNotification; |
73 |
import org.gvsig.fmap.dal.DataTypes; |
74 |
import org.gvsig.fmap.dal.exception.CloseException; |
75 |
import org.gvsig.fmap.dal.exception.DataException; |
76 |
import org.gvsig.fmap.dal.exception.InitializeException; |
77 |
import org.gvsig.fmap.dal.exception.OpenException; |
78 |
import org.gvsig.fmap.dal.exception.ReadException; |
79 |
import org.gvsig.fmap.dal.exception.ValidateDataParametersException; |
80 |
import org.gvsig.fmap.dal.feature.EditableFeatureType; |
81 |
import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
82 |
import org.gvsig.fmap.dal.feature.FeatureQuery; |
83 |
import org.gvsig.fmap.dal.feature.FeatureType; |
84 |
import org.gvsig.fmap.dal.feature.spi.AbstractFeatureStoreProvider; |
85 |
import org.gvsig.fmap.dal.feature.spi.FeatureProvider; |
86 |
import org.gvsig.fmap.dal.feature.spi.FeatureReferenceProviderServices; |
87 |
import org.gvsig.fmap.dal.feature.spi.FeatureSetProvider; |
88 |
import org.gvsig.fmap.dal.resource.ResourceAction; |
89 |
import org.gvsig.fmap.dal.resource.exception.ResourceExecuteException; |
90 |
import org.gvsig.fmap.dal.resource.spi.ResourceProvider; |
91 |
import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
92 |
import org.gvsig.fmap.dal.store.db.DBHelper; |
93 |
import org.gvsig.fmap.dal.store.db.FeatureTypeHelper; |
94 |
import org.gvsig.fmap.dal.store.jdbc.exception.InvalidResultSetIdException; |
95 |
import org.gvsig.fmap.dal.store.jdbc.exception.JDBCException; |
96 |
import org.gvsig.fmap.dal.store.jdbc.exception.JDBCExecutePreparedSQLException; |
97 |
import org.gvsig.fmap.dal.store.jdbc.exception.JDBCSQLException; |
98 |
import org.gvsig.fmap.geom.Geometry; |
99 |
import org.gvsig.fmap.geom.GeometryLocator; |
100 |
import org.gvsig.fmap.geom.GeometryManager; |
101 |
import org.gvsig.fmap.geom.primitive.Envelope; |
102 |
import org.gvsig.tools.dynobject.DynObject; |
103 |
import org.gvsig.tools.dynobject.exception.DynFieldNotFoundException; |
104 |
import org.gvsig.tools.exception.BaseException; |
105 |
import org.slf4j.Logger; |
106 |
import org.slf4j.LoggerFactory; |
107 |
|
108 |
|
109 |
/**
|
110 |
* @author jmvivo
|
111 |
*
|
112 |
*/
|
113 |
public class JDBCStoreProvider extends AbstractFeatureStoreProvider |
114 |
implements JDBCHelperUser {
|
115 |
|
116 |
final static private Logger logger = LoggerFactory |
117 |
.getLogger(JDBCStoreProvider.class); |
118 |
|
119 |
private List<ResultSetInfo> resulsetList; |
120 |
|
121 |
public static String NAME = "JDBC"; |
122 |
public static String DESCRIPTION = "JDBC source"; |
123 |
|
124 |
public static final String METADATA_DEFINITION_NAME = NAME; |
125 |
|
126 |
private long mlsecondsToZombie = 1000 * 60 * 10; // 10 Min |
127 |
|
128 |
protected JDBCHelper helper;
|
129 |
|
130 |
protected boolean directSQLMode; |
131 |
|
132 |
private Long totalCount = null; |
133 |
private GeometryManager geomManager = null; |
134 |
|
135 |
public JDBCStoreProvider(JDBCStoreParameters params,
|
136 |
DataStoreProviderServices storeServices) throws InitializeException {
|
137 |
this(
|
138 |
params, |
139 |
storeServices, |
140 |
DBHelper.newMetadataContainer(METADATA_DEFINITION_NAME) |
141 |
); |
142 |
} |
143 |
|
144 |
protected JDBCStoreProvider(JDBCStoreParameters params,
|
145 |
DataStoreProviderServices storeServices, DynObject metadata) |
146 |
throws InitializeException {
|
147 |
super(params, storeServices, metadata);
|
148 |
geomManager = GeometryLocator.getGeometryManager(); |
149 |
|
150 |
resulsetList = new ArrayList<ResultSetInfo>(10); |
151 |
|
152 |
helper = createHelper(); |
153 |
if (params.getSQL() != null && (params.getSQL()).trim().length() > 0) { |
154 |
directSQLMode = true;
|
155 |
} |
156 |
|
157 |
this.initFeatureType();
|
158 |
} |
159 |
|
160 |
public Object getDynValue(String name) throws DynFieldNotFoundException { |
161 |
try {
|
162 |
if( DataStore.METADATA_ENVELOPE.equalsIgnoreCase(name) ) {
|
163 |
Envelope env = this.getEnvelope();
|
164 |
if( env != null ) { |
165 |
return env;
|
166 |
} |
167 |
} else if( DataStore.METADATA_CRS.equalsIgnoreCase(name) ) { |
168 |
IProjection proj; |
169 |
proj = this.getFeatureStore().getDefaultFeatureType().getDefaultSRS();
|
170 |
if( proj != null ) { |
171 |
return proj;
|
172 |
} |
173 |
} |
174 |
} catch (DataException e) {
|
175 |
throw new RuntimeException(e); |
176 |
} |
177 |
return super.getDynValue(name); |
178 |
} |
179 |
|
180 |
|
181 |
protected JDBCStoreParameters getJDBCParameters() {
|
182 |
return (JDBCStoreParameters) this.getParameters(); |
183 |
} |
184 |
|
185 |
|
186 |
/**
|
187 |
* Load data form a resulset.<br>
|
188 |
*
|
189 |
* <strong>Note:</strong><br>
|
190 |
* this method have to perform <code>resouceBegin</code> at the begining and
|
191 |
* <code>resourceEnd</code> at the end of execution.
|
192 |
*
|
193 |
*
|
194 |
* @param data
|
195 |
* @param resulsetID
|
196 |
*
|
197 |
* @return
|
198 |
* @throws DataException
|
199 |
*/
|
200 |
public void loadFeatureProvider(final FeatureProvider data, final int resultsetID) |
201 |
throws DataException {
|
202 |
getResource().execute(new ResourceAction() {
|
203 |
public Object run() throws Exception { |
204 |
ResultSet rs = getResultSet(resultsetID);
|
205 |
FeatureAttributeDescriptor attr; |
206 |
Iterator<FeatureAttributeDescriptor> iter = FeatureTypeHelper.iterator(data.getType());
|
207 |
while (iter.hasNext()) {
|
208 |
attr = iter.next(); |
209 |
loadFeatureProviderValue(data, rs, attr); |
210 |
} |
211 |
return null; |
212 |
} |
213 |
}); |
214 |
} |
215 |
|
216 |
protected void loadFeatureProviderValue(FeatureProvider data, ResultSet rs, |
217 |
FeatureAttributeDescriptor attr) throws DataException {
|
218 |
if (attr.getType() == DataTypes.GEOMETRY) {
|
219 |
byte[] buffer; |
220 |
try {
|
221 |
buffer = rs.getBytes(attr.getIndex() + 1);
|
222 |
if (buffer == null) { |
223 |
data.set(attr.getIndex(), null);
|
224 |
} else {
|
225 |
data.set(attr.getIndex(), this.helper.getGeometry(buffer));
|
226 |
} |
227 |
} catch (SQLException e) { |
228 |
throw new JDBCSQLException(e); |
229 |
} catch (BaseException e) {
|
230 |
throw new ReadException(getProviderName(), e); |
231 |
} |
232 |
|
233 |
} else {
|
234 |
try {
|
235 |
data.set(attr.getIndex(), rs.getObject(attr.getIndex() + 1));
|
236 |
} catch (SQLException e) { |
237 |
throw new JDBCSQLException(e); |
238 |
} |
239 |
} |
240 |
} |
241 |
|
242 |
public long getTimeToResulSetZombie() { |
243 |
return mlsecondsToZombie;
|
244 |
} |
245 |
|
246 |
public void setTimeToResulSetZombie(long mlSeconds) { |
247 |
mlsecondsToZombie = mlSeconds; |
248 |
} |
249 |
|
250 |
private class ResultSetInfo{ |
251 |
private ResultSet resultSet = null; |
252 |
private long lastUse = 0; |
253 |
|
254 |
public ResultSetInfo(ResultSet resulSet) { |
255 |
this.resultSet = resulSet;
|
256 |
used(); |
257 |
} |
258 |
|
259 |
private void used() { |
260 |
lastUse = System.currentTimeMillis();
|
261 |
} |
262 |
|
263 |
|
264 |
public ResultSet get() { |
265 |
used(); |
266 |
return resultSet;
|
267 |
} |
268 |
|
269 |
public boolean isZombie() { |
270 |
return System.currentTimeMillis() - lastUse > mlsecondsToZombie; |
271 |
} |
272 |
} |
273 |
|
274 |
public final int createResultSet(String sql, int fetchSize) |
275 |
throws DataException {
|
276 |
return createResultSet(sql, null, fetchSize); |
277 |
} |
278 |
|
279 |
public final int createResultSet(final String sql, final Object[] values, |
280 |
final int fetchSize) |
281 |
throws DataException {
|
282 |
logger.debug("Creating resultSet with sql: {}", sql);
|
283 |
synchronized (this) { |
284 |
checksResulsets(); |
285 |
return ((Integer) getResource().execute(new ResourceAction() { |
286 |
public Object run() throws Exception { |
287 |
ResultSetInfo newRs = |
288 |
new ResultSetInfo(createNewResultSet(sql, values,
|
289 |
fetchSize)); |
290 |
int newId = getNewId();
|
291 |
if (newId < 0) { |
292 |
newId = resulsetList.size(); |
293 |
resulsetList.add(newRs); |
294 |
} else {
|
295 |
resulsetList.set(newId, newRs); |
296 |
} |
297 |
logger.debug("Created resultset id: {} (total open: {})",
|
298 |
newId, getResultsetOpenCount()); |
299 |
|
300 |
return Integer.valueOf(newId); |
301 |
} |
302 |
})).intValue(); |
303 |
} |
304 |
} |
305 |
|
306 |
private int getNewId() { |
307 |
int newId;
|
308 |
if (resulsetList.size() < 1) { |
309 |
return -1; |
310 |
} |
311 |
for (newId = 0; newId < resulsetList.size(); newId++) { |
312 |
if (resulsetList.get(newId) == null) { |
313 |
return newId;
|
314 |
} |
315 |
} |
316 |
return -1; |
317 |
} |
318 |
|
319 |
protected final void forceCloseAllResultSet() |
320 |
throws ResourceExecuteException,
|
321 |
JDBCException { |
322 |
synchronized (this) { |
323 |
// FIXME: Esto no deberia funcionar.
|
324 |
Iterator iter = resulsetList.iterator();
|
325 |
Integer rsID = null; |
326 |
while (iter.hasNext()) {
|
327 |
rsID = (Integer) iter.next();
|
328 |
if (rsID != null) { |
329 |
try {
|
330 |
forceCloseResultSet(rsID.intValue()); |
331 |
} catch (InvalidResultSetIdException e) {
|
332 |
continue;
|
333 |
} |
334 |
} |
335 |
iter.remove(); |
336 |
} |
337 |
|
338 |
} |
339 |
} |
340 |
|
341 |
protected final void forceCloseResultSet(int rsID) |
342 |
throws ResourceExecuteException, JDBCException,
|
343 |
InvalidResultSetIdException { |
344 |
logger.warn("Close forced of resultSet ({})", rsID);
|
345 |
closeResulset(rsID); |
346 |
} |
347 |
|
348 |
protected final ResultSet getResultSet(int resultsetID) |
349 |
throws InvalidResultSetIdException {
|
350 |
if (resultsetID >= resulsetList.size()) {
|
351 |
throw new InvalidResultSetIdException(resultsetID); |
352 |
} |
353 |
ResultSetInfo rsInfo = resulsetList.get(resultsetID); |
354 |
if (rsInfo == null) { |
355 |
throw new InvalidResultSetIdException(resultsetID); |
356 |
} |
357 |
return rsInfo.get();
|
358 |
|
359 |
} |
360 |
|
361 |
private ResultSet dropResultSet(int resultsetID) |
362 |
throws InvalidResultSetIdException {
|
363 |
if (resultsetID >= resulsetList.size()) {
|
364 |
throw new InvalidResultSetIdException(resultsetID); |
365 |
} |
366 |
ResultSetInfo rsInfo = (ResultSetInfo) resulsetList.get(resultsetID); |
367 |
if (rsInfo == null) { |
368 |
throw new InvalidResultSetIdException(resultsetID); |
369 |
} |
370 |
if (resultsetID == resulsetList.size() - 1) { |
371 |
resulsetList.remove(resultsetID); |
372 |
} else {
|
373 |
resulsetList.set(resultsetID, null);
|
374 |
} |
375 |
return rsInfo.get();
|
376 |
} |
377 |
|
378 |
|
379 |
public final boolean resulsetNext(final int resultsetID) |
380 |
throws JDBCException,
|
381 |
InvalidResultSetIdException, ResourceExecuteException { |
382 |
return ((Boolean) getResource().execute(new ResourceAction() { |
383 |
public Object run() throws Exception { |
384 |
boolean bool = getResultSet(resultsetID).next();
|
385 |
return Boolean.valueOf(bool); |
386 |
} |
387 |
})).booleanValue(); |
388 |
} |
389 |
|
390 |
public final void closeResulset(final int resultsetID) |
391 |
throws JDBCException,
|
392 |
InvalidResultSetIdException, ResourceExecuteException { |
393 |
synchronized (this) { |
394 |
getResource().execute(new ResourceAction() {
|
395 |
public Object run() throws Exception { |
396 |
ResultSet rs = dropResultSet(resultsetID);
|
397 |
closeResulset(rs); |
398 |
return null; |
399 |
} |
400 |
}); |
401 |
if (logger.isDebugEnabled()) {
|
402 |
logger.debug(" id: " + resultsetID + " (total " |
403 |
+ getResultsetOpenCount() + ")");
|
404 |
} |
405 |
checksResulsets(); |
406 |
} |
407 |
} |
408 |
|
409 |
public final void checksResulsets() throws JDBCException, |
410 |
InvalidResultSetIdException, ResourceExecuteException { |
411 |
synchronized (this) { |
412 |
getResource().execute(new ResourceAction() {
|
413 |
public Object run() throws Exception { |
414 |
ResultSetInfo rsInfo; |
415 |
for (int i = 0; i < resulsetList.size(); i++) { |
416 |
rsInfo = (ResultSetInfo) resulsetList.get(i); |
417 |
if (rsInfo == null) { |
418 |
continue;
|
419 |
} |
420 |
if (rsInfo.isZombie()) {
|
421 |
forceCloseResultSet(i); |
422 |
} |
423 |
} |
424 |
return null; |
425 |
} |
426 |
}); |
427 |
} |
428 |
} |
429 |
|
430 |
protected void closeResulset(final ResultSet rs) throws JDBCException, |
431 |
ResourceExecuteException { |
432 |
getResource().execute(new ResourceAction() {
|
433 |
public Object run() throws Exception { |
434 |
Statement st = rs.getStatement();
|
435 |
Connection con = st.getConnection();
|
436 |
try {
|
437 |
rs.close(); |
438 |
} finally {
|
439 |
// TODO revisar esto
|
440 |
try{ st.close(); } catch (Exception ex){ }; |
441 |
try{ con.close(); } catch (Exception ex){ }; |
442 |
} |
443 |
return null; |
444 |
} |
445 |
}); |
446 |
} |
447 |
|
448 |
private int getResultsetOpenCount() { |
449 |
int count = 0; |
450 |
Iterator<ResultSetInfo> iter = resulsetList.iterator();
|
451 |
while (iter.hasNext()) {
|
452 |
if (iter.next() != null) { |
453 |
count++; |
454 |
} |
455 |
} |
456 |
return count;
|
457 |
} |
458 |
|
459 |
protected final int openResulsetCount() { |
460 |
int count = 0; |
461 |
Iterator<ResultSetInfo> iter = resulsetList.iterator();
|
462 |
while (iter.hasNext()) {
|
463 |
if (iter.next() != null) { |
464 |
count++; |
465 |
} |
466 |
} |
467 |
return count;
|
468 |
} |
469 |
|
470 |
public boolean closeResourceRequested(ResourceProvider resource) { |
471 |
try {
|
472 |
checksResulsets(); |
473 |
return openResulsetCount() == 0 && closeResource(resource); |
474 |
} catch (DataException e) {
|
475 |
logger.error("Exception throws", e);
|
476 |
return false; |
477 |
} |
478 |
} |
479 |
|
480 |
|
481 |
protected String fixFilter(String filter) { |
482 |
if (filter == null) { |
483 |
return null; |
484 |
} |
485 |
|
486 |
return filter;
|
487 |
} |
488 |
|
489 |
protected JDBCHelper createHelper() throws InitializeException { |
490 |
return new JDBCHelper(this, getJDBCParameters()); |
491 |
} |
492 |
|
493 |
protected JDBCHelper getHelper() {
|
494 |
return helper;
|
495 |
} |
496 |
|
497 |
protected void resetCount() { |
498 |
totalCount = null;
|
499 |
} |
500 |
|
501 |
/**
|
502 |
* Get feature count for a <code>filter</code>.<br>
|
503 |
*
|
504 |
* <code>filter</code> can be <code>null</code>.<br>
|
505 |
*
|
506 |
* <strong>Note:</strong><br>
|
507 |
* this method have to perform <code>resouceBegin</code> at the begining and
|
508 |
* <code>resourceEnd</code> at the end of execution.
|
509 |
*
|
510 |
*
|
511 |
* @param filter
|
512 |
* @return
|
513 |
* @throws DataException
|
514 |
*/
|
515 |
protected long getCount(String filter) |
516 |
throws DataException {
|
517 |
this.open();
|
518 |
if (filter == null && totalCount != null) { |
519 |
return totalCount.longValue();
|
520 |
} |
521 |
final String sql = compoundCountSelect(filter); |
522 |
|
523 |
long count = ((Long) getResource().execute(new ResourceAction() { |
524 |
public Object run() throws Exception { |
525 |
long count = 0; |
526 |
ResultSet rs = createNewResultSet(sql, null, 1); |
527 |
try {
|
528 |
if (rs.next()) {
|
529 |
count = rs.getLong(1);
|
530 |
} |
531 |
} catch (SQLException e) { |
532 |
throw new JDBCSQLException(e); |
533 |
} finally {
|
534 |
closeResulset(rs); |
535 |
} |
536 |
return Long.valueOf(count); |
537 |
} |
538 |
})).longValue(); |
539 |
|
540 |
if (filter == null) { |
541 |
totalCount = new Long(count); |
542 |
} |
543 |
return count;
|
544 |
} |
545 |
|
546 |
public void close() throws CloseException { |
547 |
helper.close(); |
548 |
} |
549 |
|
550 |
public void open() throws OpenException { |
551 |
helper.open(); |
552 |
} |
553 |
|
554 |
@Override
|
555 |
protected FeatureProvider internalGetFeatureProviderByReference(
|
556 |
FeatureReferenceProviderServices reference) throws DataException {
|
557 |
return internalGetFeatureProviderByReference(reference,
|
558 |
getFeatureStore() |
559 |
.getDefaultFeatureType()); |
560 |
} |
561 |
|
562 |
@Override
|
563 |
protected FeatureProvider internalGetFeatureProviderByReference(
|
564 |
FeatureReferenceProviderServices reference, |
565 |
FeatureType featureType) |
566 |
throws DataException {
|
567 |
StringBuilder filter = new StringBuilder(); |
568 |
FeatureAttributeDescriptor[] pk =
|
569 |
getFeatureStore().getFeatureType(featureType.getId()) |
570 |
.getPrimaryKey(); |
571 |
|
572 |
List<Object> values = new ArrayList<Object>(); |
573 |
|
574 |
int i;
|
575 |
for (i = 0; i < pk.length - 1; i++) { |
576 |
values.add( |
577 |
helper.dalValueToJDBC(pk[i], |
578 |
reference.getKeyValue(pk[i].getName()))); |
579 |
filter.append(helper.getSqlFieldName(pk[i])); |
580 |
filter.append(" = ? AND ");
|
581 |
} |
582 |
values.add(helper.dalValueToJDBC(pk[i], |
583 |
reference.getKeyValue(pk[i].getName()))); |
584 |
filter.append(helper.getSqlFieldName(pk[i])); |
585 |
filter.append(" = ? ");
|
586 |
|
587 |
String sql = compoundSelect(featureType, filter.toString(), null, 1, 0); |
588 |
|
589 |
FeatureProvider data; |
590 |
int rsId = createResultSet(sql, values.toArray(), 1); |
591 |
try {
|
592 |
if (!resulsetNext(rsId)) {
|
593 |
throw new RuntimeException("Reference Not found"); |
594 |
} |
595 |
data = createFeatureProvider(featureType); |
596 |
loadFeatureProvider(data, rsId); |
597 |
} finally {
|
598 |
closeResulset(rsId); |
599 |
} |
600 |
|
601 |
return data;
|
602 |
} |
603 |
|
604 |
public int getOIDType() { |
605 |
return DataTypes.UNKNOWN;
|
606 |
} |
607 |
|
608 |
protected void initFeatureType() throws InitializeException { |
609 |
|
610 |
EditableFeatureType edFType = null;
|
611 |
try {
|
612 |
edFType = this.getStoreServices().createFeatureType();
|
613 |
|
614 |
helper.loadFeatureType(edFType, getJDBCParameters()); |
615 |
|
616 |
} catch (DataException e) {
|
617 |
throw new InitializeException(this.getProviderName(), e); |
618 |
} |
619 |
|
620 |
FeatureType defaultType = edFType.getNotEditableCopy(); |
621 |
List<FeatureType> types = Collections.singletonList(defaultType); |
622 |
this.getStoreServices().setFeatureTypes(types, defaultType);
|
623 |
} |
624 |
|
625 |
protected ResultSet createNewResultSet(final String sql, |
626 |
final Object[] values, final int fetchSize) |
627 |
throws DataException {
|
628 |
this.open();
|
629 |
return (ResultSet) getResource().execute(new ResourceAction() { |
630 |
public Object run() throws Exception { |
631 |
Connection conn = null; |
632 |
PreparedStatement st = null; |
633 |
ResultSet rs = null; |
634 |
try {
|
635 |
|
636 |
conn = helper.getConnection(); |
637 |
conn.setAutoCommit(false);
|
638 |
st = conn.prepareStatement(sql); |
639 |
|
640 |
if (values != null) { |
641 |
Object value;
|
642 |
for (int i = 0; i < values.length; i++) { |
643 |
value = values[i]; |
644 |
if (value instanceof Geometry) { |
645 |
byte[] bytes; |
646 |
try {
|
647 |
bytes = ((Geometry) value).convertToWKB(); |
648 |
} catch (BaseException e) {
|
649 |
throw new InvalidParameterException(); |
650 |
} |
651 |
st.setBytes(i + 1, bytes);
|
652 |
} |
653 |
st.setObject(i + 1, value);
|
654 |
} |
655 |
} |
656 |
|
657 |
if (fetchSize > 0) { |
658 |
st.setFetchSize(fetchSize); |
659 |
} |
660 |
rs = st.executeQuery(); |
661 |
if (fetchSize > 0) { |
662 |
rs.setFetchSize(fetchSize); |
663 |
} |
664 |
return rs;
|
665 |
} catch (SQLException e) { |
666 |
try {
|
667 |
rs.close(); |
668 |
} catch (Exception e1) { |
669 |
} |
670 |
try {
|
671 |
st.close(); |
672 |
} catch (Exception e1) { |
673 |
} |
674 |
try {
|
675 |
conn.close(); |
676 |
} catch (Exception e1) { |
677 |
} |
678 |
throw new JDBCExecutePreparedSQLException(sql,values,e); |
679 |
} |
680 |
} |
681 |
}); |
682 |
} |
683 |
|
684 |
protected boolean closeResource(ResourceProvider resource) { |
685 |
try {
|
686 |
this.helper.close();
|
687 |
} catch (CloseException e) {
|
688 |
logger.error("Exception in close Request", e);
|
689 |
} |
690 |
return !this.helper.isOpen(); |
691 |
} |
692 |
|
693 |
protected String compoundCountSelect(String filter) { |
694 |
if (this.directSQLMode) { |
695 |
return null; |
696 |
} |
697 |
// Select
|
698 |
StringBuilder sql = new StringBuilder(); |
699 |
sql.append("Select count(");
|
700 |
String[] pkFields = getJDBCParameters().getPkFields(); |
701 |
if (pkFields != null && pkFields.length == 1) { |
702 |
sql.append(helper.escapeFieldName(pkFields[0]));
|
703 |
} else {
|
704 |
sql.append('*');
|
705 |
|
706 |
} |
707 |
sql.append(") ");
|
708 |
|
709 |
sql.append("from ");
|
710 |
|
711 |
sql.append(getJDBCParameters().tableID()); |
712 |
sql.append(' ');
|
713 |
|
714 |
appendWhere(sql, filter); |
715 |
|
716 |
return sql.toString();
|
717 |
} |
718 |
|
719 |
protected void appendWhere(StringBuilder sql, String filter) { |
720 |
filter = fixFilter(filter); |
721 |
String initialFilter = getJDBCParameters().getBaseFilter();
|
722 |
if ((initialFilter != null && initialFilter.length() != 0) |
723 |
|| (filter != null && filter.length() != 0)) { |
724 |
sql.append("where (");
|
725 |
|
726 |
if (initialFilter != null && initialFilter.length() != 0 |
727 |
&& filter != null && filter.length() != 0) { |
728 |
// initialFilter + filter
|
729 |
sql.append('(');
|
730 |
sql.append(initialFilter); |
731 |
sql.append(") and (");
|
732 |
sql.append(filter); |
733 |
sql.append(')');
|
734 |
} else if (initialFilter != null && initialFilter.length() != 0) { |
735 |
// initialFilter only
|
736 |
sql.append(initialFilter); |
737 |
} else {
|
738 |
// filter only
|
739 |
sql.append(filter); |
740 |
} |
741 |
sql.append(") ");
|
742 |
} |
743 |
} |
744 |
|
745 |
public void closeDone() throws DataException { |
746 |
// Do nothing
|
747 |
} |
748 |
|
749 |
public void opendDone() throws DataException { |
750 |
// Nothing to do
|
751 |
} |
752 |
|
753 |
public Envelope getEnvelope() throws DataException { |
754 |
this.open();
|
755 |
String defaultGeometryAttributeName;
|
756 |
defaultGeometryAttributeName = this.getFeatureStore()
|
757 |
.getDefaultFeatureType() |
758 |
.getDefaultGeometryAttributeName(); |
759 |
if( defaultGeometryAttributeName != null ) { |
760 |
return this.helper.getFullEnvelopeOfField( |
761 |
this.getJDBCParameters(),
|
762 |
defaultGeometryAttributeName, |
763 |
this.getJDBCParameters().getWorkingArea()
|
764 |
); |
765 |
} |
766 |
return null; |
767 |
} |
768 |
|
769 |
public void resourceChanged(ResourceProvider resource) { |
770 |
this.getStoreServices().notifyChange(
|
771 |
DataStoreNotification.RESOURCE_CHANGED, |
772 |
resource); |
773 |
} |
774 |
|
775 |
public boolean allowAutomaticValues() { |
776 |
return this.helper.allowAutomaticValues(); |
777 |
} |
778 |
|
779 |
public DataServerExplorer getExplorer() throws ReadException { |
780 |
DataManager manager = DALLocator.getDataManager(); |
781 |
JDBCServerExplorerParameters exParams; |
782 |
JDBCStoreParameters params = getJDBCParameters(); |
783 |
try {
|
784 |
exParams = (JDBCServerExplorerParameters) manager |
785 |
.createServerExplorerParameters(JDBCServerExplorer.NAME); |
786 |
exParams.setHost(params.getHost()); |
787 |
exParams.setPort(params.getPort()); |
788 |
exParams.setDBName(params.getDBName()); |
789 |
exParams.setUser(params.getUser()); |
790 |
exParams.setPassword(params.getPassword()); |
791 |
exParams.setUrl(params.getUrl()); |
792 |
exParams.setCatalog(params.getCatalog()); |
793 |
exParams.setSchema(params.getSchema()); |
794 |
exParams.setJDBCDriverClassName(params.getJDBCDriverClassName()); |
795 |
|
796 |
return manager.openServerExplorer(JDBCServerExplorer.NAME,exParams);
|
797 |
} catch (DataException e) {
|
798 |
throw new ReadException(this.getProviderName(), e); |
799 |
} catch (ValidateDataParametersException e) {
|
800 |
throw new ReadException(this.getProviderName(), e); |
801 |
} |
802 |
} |
803 |
|
804 |
@Override
|
805 |
protected void doDispose() throws BaseException { |
806 |
this.close();
|
807 |
resulsetList = null;
|
808 |
this.helper.dispose();
|
809 |
super.doDispose();
|
810 |
} |
811 |
|
812 |
public Object createNewOID() { |
813 |
return null; |
814 |
} |
815 |
|
816 |
public String compoundSelect(FeatureType type, String filter, String order, |
817 |
long limit, long offset) throws DataException { |
818 |
StringBuilder sql = new StringBuilder(); |
819 |
JDBCStoreParameters params = getJDBCParameters(); |
820 |
if (directSQLMode) {
|
821 |
sql.append(params.getSQL()); |
822 |
sql.append(' ');
|
823 |
} else {
|
824 |
FeatureAttributeDescriptor[] fields = type
|
825 |
.getAttributeDescriptors(); |
826 |
|
827 |
// Select
|
828 |
sql.append("Select ");
|
829 |
for (int i = 0; i < fields.length - 1; i++) { |
830 |
sql.append(helper.getSqlFieldName(fields[i])); |
831 |
sql.append(", ");
|
832 |
} |
833 |
sql.append(helper.getSqlFieldName(fields[fields.length - 1]));
|
834 |
sql.append(' ');
|
835 |
|
836 |
FeatureAttributeDescriptor[] pkFields = getStoreServices()
|
837 |
.getProviderFeatureType(type.getId()).getPrimaryKey(); |
838 |
|
839 |
if (pkFields != null && pkFields.length > 0) { |
840 |
// checks for pk fields are in select
|
841 |
boolean toAdd;
|
842 |
for (int i = 0; i < pkFields.length; i++) { |
843 |
toAdd = true;
|
844 |
for (int j = 0; j < fields.length; j++) { |
845 |
if (pkFields[i].getName().equals(fields[j].getName())) {
|
846 |
toAdd = false;
|
847 |
break;
|
848 |
} |
849 |
if (toAdd) {
|
850 |
sql.append(", ");
|
851 |
sql.append(helper.getSqlFieldName(pkFields[i])); |
852 |
} |
853 |
} |
854 |
} |
855 |
sql.append(' ');
|
856 |
} |
857 |
|
858 |
// table
|
859 |
sql.append("from ");
|
860 |
sql.append(params.tableID()); |
861 |
sql.append(' ');
|
862 |
|
863 |
// Where
|
864 |
appendWhere(sql, filter); |
865 |
|
866 |
// Order
|
867 |
if ((params.getBaseOrder() != null && params.getBaseOrder() |
868 |
.length() != 0)
|
869 |
|| (order != null && order.length() != 0)) { |
870 |
sql.append("order by ");
|
871 |
|
872 |
if (order != null && order.length() != 0) { |
873 |
// order
|
874 |
sql.append(order); |
875 |
} else {
|
876 |
// initial order
|
877 |
sql.append(params.getBaseOrder()); |
878 |
} |
879 |
sql.append(' ');
|
880 |
} |
881 |
} |
882 |
// limit offset
|
883 |
if (limit > 0 || offset > 0) { |
884 |
sql.append(helper.compoundLimitAndOffset(limit,offset)); |
885 |
} |
886 |
return sql.toString();
|
887 |
} |
888 |
|
889 |
public long getFeatureCount() throws DataException { |
890 |
return getCount(null); |
891 |
} |
892 |
|
893 |
public String getProviderName() { |
894 |
return NAME;
|
895 |
} |
896 |
|
897 |
public boolean hasGeometrySupport() { |
898 |
return false; |
899 |
} |
900 |
|
901 |
public FeatureSetProvider createSet(FeatureQuery query,
|
902 |
FeatureType featureType) throws DataException {
|
903 |
|
904 |
return new JDBCSetProvider(this, query, featureType); |
905 |
} |
906 |
|
907 |
public Object getSourceId() { |
908 |
return this.getJDBCParameters().getSourceId(); |
909 |
} |
910 |
|
911 |
public String getName() { |
912 |
return this.getJDBCParameters().tableID(); |
913 |
} |
914 |
|
915 |
public String getFullName() { |
916 |
return this.getJDBCParameters().getHost()+":"+this.getJDBCParameters().getDBName()+":"+this.getJDBCParameters().tableID(); |
917 |
} |
918 |
|
919 |
|
920 |
public ResourceProvider getResource() {
|
921 |
return getHelper().getResource();
|
922 |
} |
923 |
|
924 |
protected boolean isDirectSQLMode(){ |
925 |
return directSQLMode;
|
926 |
} |
927 |
} |