svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_daldb / src / org / gvsig / fmap / dal / store / jdbc / JDBCStoreProvider.java @ 29326
History | View | Annotate | Download (23 KB)
1 |
/* gvSIG. Geographic Information System of the Valencian Government
|
---|---|
2 |
*
|
3 |
* Copyright (C) 2007-2008 Infrastructures and Transports Department
|
4 |
* of the Valencian Government (CIT)
|
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 2
|
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 |
*/
|
22 |
|
23 |
/*
|
24 |
* AUTHORS (In addition to CIT):
|
25 |
* 2009 IVER T.I {{Task}}
|
26 |
*/
|
27 |
|
28 |
/**
|
29 |
*
|
30 |
*/
|
31 |
package org.gvsig.fmap.dal.store.jdbc; |
32 |
|
33 |
import java.security.InvalidParameterException; |
34 |
import java.sql.Connection; |
35 |
import java.sql.PreparedStatement; |
36 |
import java.sql.ResultSet; |
37 |
import java.sql.SQLException; |
38 |
import java.sql.Statement; |
39 |
import java.util.ArrayList; |
40 |
import java.util.Iterator; |
41 |
import java.util.List; |
42 |
|
43 |
import org.cresques.cts.IProjection; |
44 |
import org.gvsig.fmap.dal.DALLocator; |
45 |
import org.gvsig.fmap.dal.DataManager; |
46 |
import org.gvsig.fmap.dal.DataServerExplorer; |
47 |
import org.gvsig.fmap.dal.DataStoreNotification; |
48 |
import org.gvsig.fmap.dal.DataTypes; |
49 |
import org.gvsig.fmap.dal.exception.CloseException; |
50 |
import org.gvsig.fmap.dal.exception.DataException; |
51 |
import org.gvsig.fmap.dal.exception.InitializeException; |
52 |
import org.gvsig.fmap.dal.exception.OpenException; |
53 |
import org.gvsig.fmap.dal.exception.ReadException; |
54 |
import org.gvsig.fmap.dal.exception.ValidateDataParametersException; |
55 |
import org.gvsig.fmap.dal.feature.EditableFeatureType; |
56 |
import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
57 |
import org.gvsig.fmap.dal.feature.FeatureQuery; |
58 |
import org.gvsig.fmap.dal.feature.FeatureStore; |
59 |
import org.gvsig.fmap.dal.feature.FeatureType; |
60 |
import org.gvsig.fmap.dal.feature.spi.AbstractFeatureStoreProvider; |
61 |
import org.gvsig.fmap.dal.feature.spi.FeatureProvider; |
62 |
import org.gvsig.fmap.dal.feature.spi.FeatureReferenceProviderServices; |
63 |
import org.gvsig.fmap.dal.feature.spi.FeatureSetProvider; |
64 |
import org.gvsig.fmap.dal.resource.Resource; |
65 |
import org.gvsig.fmap.dal.resource.exception.ResourceBeginException; |
66 |
import org.gvsig.fmap.dal.resource.spi.ResourceProvider; |
67 |
import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
68 |
import org.gvsig.fmap.dal.store.jdbc.exception.InvalidResultSetIdException; |
69 |
import org.gvsig.fmap.dal.store.jdbc.exception.JDBCException; |
70 |
import org.gvsig.fmap.dal.store.jdbc.exception.JDBCExecuteSQLException; |
71 |
import org.gvsig.fmap.dal.store.jdbc.exception.JDBCSQLException; |
72 |
import org.gvsig.fmap.geom.Geometry; |
73 |
import org.gvsig.fmap.geom.operation.towkb.ToWKB; |
74 |
import org.gvsig.fmap.geom.primitive.Envelope; |
75 |
import org.gvsig.tools.ToolsLocator; |
76 |
import org.gvsig.tools.dynobject.DynClass; |
77 |
import org.gvsig.tools.dynobject.DynObject; |
78 |
import org.gvsig.tools.dynobject.DynObjectManager; |
79 |
import org.gvsig.tools.exception.BaseException; |
80 |
import org.slf4j.Logger; |
81 |
import org.slf4j.LoggerFactory; |
82 |
|
83 |
|
84 |
/**
|
85 |
* @author jmvivo
|
86 |
*
|
87 |
*/
|
88 |
public class JDBCStoreProvider extends AbstractFeatureStoreProvider |
89 |
implements JDBCHelperUser {
|
90 |
|
91 |
final static private Logger logger = LoggerFactory |
92 |
.getLogger(JDBCStoreProvider.class); |
93 |
|
94 |
private List resulsetList; |
95 |
|
96 |
public static String NAME = "JDBC"; |
97 |
private static final String DYNCLASS_NAME = "JDBCStore"; |
98 |
public static String DESCRIPTION = "JDBC source"; |
99 |
private static DynClass DYNCLASS = null; |
100 |
|
101 |
private long mlsecondsToZombie = 1000 * 60 * 10; // 10 Min |
102 |
|
103 |
protected JDBCHelper helper;
|
104 |
|
105 |
protected boolean directSQLMode; |
106 |
|
107 |
private Long totalCount = null; |
108 |
|
109 |
|
110 |
public JDBCStoreProvider(JDBCStoreParameters params,
|
111 |
DataStoreProviderServices storeServices) throws InitializeException {
|
112 |
this(params, storeServices, ToolsLocator.getDynObjectManager()
|
113 |
.createDynObject(DYNCLASS)); |
114 |
} |
115 |
|
116 |
protected JDBCStoreProvider(JDBCStoreParameters params,
|
117 |
DataStoreProviderServices storeServices, DynObject metadata) |
118 |
throws InitializeException {
|
119 |
super(params, storeServices, metadata);
|
120 |
|
121 |
resulsetList = new ArrayList(10); |
122 |
|
123 |
helper = createHelper(); |
124 |
if (params.getSQL() != null && (params.getSQL()).trim().length() > 0) { |
125 |
directSQLMode = true;
|
126 |
} |
127 |
|
128 |
|
129 |
this.setDynValue("DefaultSRS", null); |
130 |
this.setDynValue("Envelope", null); |
131 |
this.initFeatureType();
|
132 |
} |
133 |
|
134 |
|
135 |
|
136 |
protected JDBCStoreParameters getJDBCParameters() {
|
137 |
return (JDBCStoreParameters) this.getParameters(); |
138 |
} |
139 |
|
140 |
|
141 |
protected static void registerDynClass() { |
142 |
DynObjectManager dynman = ToolsLocator.getDynObjectManager(); |
143 |
DynClass dynClass; |
144 |
if (DYNCLASS == null) { |
145 |
dynClass = dynman.add(DYNCLASS_NAME, DESCRIPTION); |
146 |
|
147 |
dynClass.extend(dynman.get(FeatureStore.DYNCLASS_NAME)); |
148 |
DYNCLASS = dynClass; |
149 |
} |
150 |
} |
151 |
|
152 |
/**
|
153 |
* Load data form a resulset.<br>
|
154 |
*
|
155 |
* <strong>Note:</strong><br>
|
156 |
* this method have to perform <code>resouceBegin</code> at the begining and
|
157 |
* <code>resourceEnd</code> at the end of execution.
|
158 |
*
|
159 |
*
|
160 |
* @param data
|
161 |
* @param resulsetID
|
162 |
*
|
163 |
* @return
|
164 |
* @throws DataException
|
165 |
*/
|
166 |
public void loadFeatureProvider(FeatureProvider data, int resultsetID) |
167 |
throws DataException {
|
168 |
this.resourceBegin();
|
169 |
try {
|
170 |
ResultSet rs = getResultSet(resultsetID);
|
171 |
FeatureAttributeDescriptor attr; |
172 |
Iterator iter = data.getType().iterator();
|
173 |
while (iter.hasNext()) {
|
174 |
attr = (FeatureAttributeDescriptor) iter.next(); |
175 |
loadFeatureProviderValue(data, rs, attr); |
176 |
} |
177 |
} finally {
|
178 |
this.resourceEnd();
|
179 |
} |
180 |
|
181 |
|
182 |
|
183 |
} |
184 |
|
185 |
|
186 |
protected void loadFeatureProviderValue(FeatureProvider data, ResultSet rs, |
187 |
FeatureAttributeDescriptor attr) throws DataException {
|
188 |
if (attr.getDataType() == DataTypes.GEOMETRY) {
|
189 |
byte[] buffer; |
190 |
try {
|
191 |
buffer = rs.getBytes(attr.getIndex() + 1);
|
192 |
if (buffer == null) { |
193 |
data.set(attr.getIndex(), null);
|
194 |
} else {
|
195 |
data.set(attr.getIndex(), this.helper.getGeometry(buffer));
|
196 |
} |
197 |
} catch (SQLException e) { |
198 |
throw new JDBCSQLException(e); |
199 |
} catch (BaseException e) {
|
200 |
throw new ReadException(getName(), e); |
201 |
} |
202 |
|
203 |
} else {
|
204 |
try {
|
205 |
data.set(attr.getIndex(), rs.getObject(attr.getIndex() + 1));
|
206 |
} catch (SQLException e) { |
207 |
throw new JDBCSQLException(e); |
208 |
} |
209 |
} |
210 |
} |
211 |
|
212 |
public long getTimeToResulSetZombie() { |
213 |
return mlsecondsToZombie;
|
214 |
} |
215 |
|
216 |
public void setTimeToResulSetZombie(long mlSeconds) { |
217 |
mlsecondsToZombie = mlSeconds; |
218 |
} |
219 |
|
220 |
private class ResultSetInfo{ |
221 |
private ResultSet resultSet = null; |
222 |
private long lastUse = 0; |
223 |
|
224 |
public ResultSetInfo(ResultSet resulSet) { |
225 |
this.resultSet = resulSet;
|
226 |
used(); |
227 |
} |
228 |
|
229 |
private void used() { |
230 |
lastUse = System.currentTimeMillis();
|
231 |
} |
232 |
|
233 |
|
234 |
public ResultSet get() { |
235 |
used(); |
236 |
return resultSet;
|
237 |
} |
238 |
|
239 |
public boolean isZombie() { |
240 |
return System.currentTimeMillis() - lastUse > mlsecondsToZombie; |
241 |
} |
242 |
} |
243 |
|
244 |
public final int createResultSet(String sql) |
245 |
throws DataException {
|
246 |
return createResultSet(sql, null); |
247 |
} |
248 |
|
249 |
public final int createResultSet(String sql, Object[] values) |
250 |
throws DataException {
|
251 |
synchronized (this) { |
252 |
checksResulsets(); |
253 |
resourceBegin(); |
254 |
try {
|
255 |
ResultSetInfo newRs = new ResultSetInfo(createNewResultSet(sql,
|
256 |
values)); |
257 |
int newId = getNewId();
|
258 |
if (newId < 0) { |
259 |
newId = resulsetList.size(); |
260 |
resulsetList.add(newRs); |
261 |
} else {
|
262 |
resulsetList.set(newId, newRs); |
263 |
} |
264 |
if (logger.isDebugEnabled()) {
|
265 |
logger.debug(" id: {} (total {})", newId,
|
266 |
getResultsetOpenCount()); |
267 |
} |
268 |
|
269 |
return newId;
|
270 |
} finally {
|
271 |
resourceEnd(); |
272 |
} |
273 |
|
274 |
} |
275 |
} |
276 |
|
277 |
private int getNewId() { |
278 |
int newId;
|
279 |
if (resulsetList.size() < 1) { |
280 |
return -1; |
281 |
} |
282 |
for (newId = 0; newId < resulsetList.size(); newId++) { |
283 |
if (resulsetList.get(newId) == null) { |
284 |
return newId;
|
285 |
} |
286 |
} |
287 |
return -1; |
288 |
} |
289 |
|
290 |
protected final void forceCloseAllResultSet() |
291 |
throws ResourceBeginException,
|
292 |
JDBCException { |
293 |
synchronized (this) { |
294 |
Iterator iter = resulsetList.iterator();
|
295 |
Integer rsID = null; |
296 |
while (iter.hasNext()) {
|
297 |
rsID = (Integer) iter.next();
|
298 |
if (rsID != null) { |
299 |
try {
|
300 |
forceCloseResultSet(rsID.intValue()); |
301 |
} catch (InvalidResultSetIdException e) {
|
302 |
continue;
|
303 |
} |
304 |
} |
305 |
iter.remove(); |
306 |
} |
307 |
|
308 |
} |
309 |
} |
310 |
|
311 |
protected final void forceCloseResultSet(int rsID) |
312 |
throws ResourceBeginException, JDBCException,
|
313 |
InvalidResultSetIdException { |
314 |
logger.warn("Close forced of resultSet ({})", rsID);
|
315 |
closeResulset(rsID); |
316 |
} |
317 |
|
318 |
protected final ResultSet getResultSet(int resultsetID) |
319 |
throws InvalidResultSetIdException {
|
320 |
if (resultsetID >= resulsetList.size()) {
|
321 |
throw new InvalidResultSetIdException(resultsetID); |
322 |
} |
323 |
ResultSetInfo rsInfo = (ResultSetInfo) resulsetList.get(resultsetID); |
324 |
if (rsInfo == null) { |
325 |
throw new InvalidResultSetIdException(resultsetID); |
326 |
} |
327 |
return rsInfo.get();
|
328 |
|
329 |
} |
330 |
|
331 |
private ResultSet dropResultSet(int resultsetID) |
332 |
throws InvalidResultSetIdException {
|
333 |
if (resultsetID >= resulsetList.size()) {
|
334 |
throw new InvalidResultSetIdException(resultsetID); |
335 |
} |
336 |
ResultSetInfo rsInfo = (ResultSetInfo) resulsetList.get(resultsetID); |
337 |
if (rsInfo == null) { |
338 |
throw new InvalidResultSetIdException(resultsetID); |
339 |
} |
340 |
if (resultsetID == resulsetList.size() - 1) { |
341 |
resulsetList.remove(resultsetID); |
342 |
} else {
|
343 |
resulsetList.set(resultsetID, null);
|
344 |
} |
345 |
return rsInfo.get();
|
346 |
} |
347 |
|
348 |
|
349 |
public final boolean resulsetNext(int resultsetID) throws JDBCException, |
350 |
InvalidResultSetIdException, ResourceBeginException { |
351 |
ResultSet rs = getResultSet(resultsetID);
|
352 |
resourceBegin(); |
353 |
try {
|
354 |
return rs.next();
|
355 |
} catch (SQLException e) { |
356 |
throw new JDBCSQLException(e); |
357 |
} finally {
|
358 |
resourceEnd(); |
359 |
} |
360 |
} |
361 |
|
362 |
public final void closeResulset(int resultsetID) |
363 |
throws JDBCException,
|
364 |
InvalidResultSetIdException, ResourceBeginException { |
365 |
synchronized (this) { |
366 |
resourceBegin(); |
367 |
try {
|
368 |
ResultSet rs = dropResultSet(resultsetID);
|
369 |
closeResulset(rs); |
370 |
if (logger.isDebugEnabled()) {
|
371 |
logger.debug(" id: " + resultsetID + " (total " |
372 |
+ getResultsetOpenCount() + ")");
|
373 |
} |
374 |
|
375 |
} finally {
|
376 |
resourceEnd(); |
377 |
} |
378 |
checksResulsets(); |
379 |
} |
380 |
} |
381 |
|
382 |
public final void checksResulsets() throws JDBCException, |
383 |
InvalidResultSetIdException, ResourceBeginException { |
384 |
synchronized (this) { |
385 |
resourceBegin(); |
386 |
try {
|
387 |
ResultSetInfo rsInfo; |
388 |
for (int i = 0; i < resulsetList.size(); i++) { |
389 |
rsInfo = (ResultSetInfo) resulsetList.get(i); |
390 |
if (rsInfo == null) { |
391 |
continue;
|
392 |
} |
393 |
if (rsInfo.isZombie()) {
|
394 |
forceCloseResultSet(i); |
395 |
} |
396 |
} |
397 |
|
398 |
} finally {
|
399 |
resourceEnd(); |
400 |
} |
401 |
|
402 |
} |
403 |
} |
404 |
|
405 |
|
406 |
private int getResultsetOpenCount() { |
407 |
int count = 0; |
408 |
Iterator iter = resulsetList.iterator();
|
409 |
while (iter.hasNext()) {
|
410 |
if (iter.next() != null) { |
411 |
count++; |
412 |
} |
413 |
} |
414 |
return count;
|
415 |
} |
416 |
|
417 |
protected void closeResulset(ResultSet rs) throws JDBCException, |
418 |
ResourceBeginException { |
419 |
resourceBegin(); |
420 |
try {
|
421 |
Statement st = rs.getStatement();
|
422 |
Connection con = st.getConnection();
|
423 |
try {
|
424 |
rs.close(); |
425 |
} finally {
|
426 |
// TODO revisar esto
|
427 |
try{ st.close(); } catch (Exception ex){ }; |
428 |
try{ con.close(); } catch (Exception ex){ }; |
429 |
} |
430 |
} catch (SQLException e) { |
431 |
throw new JDBCSQLException(e); |
432 |
} finally {
|
433 |
resourceEnd(); |
434 |
} |
435 |
|
436 |
} |
437 |
|
438 |
protected final int openResulsetCount() { |
439 |
int count = 0; |
440 |
Iterator iter = resulsetList.iterator();
|
441 |
while (iter.hasNext()) {
|
442 |
if (iter.next() != null) { |
443 |
count++; |
444 |
} |
445 |
} |
446 |
return count;
|
447 |
} |
448 |
|
449 |
public boolean closeResourceRequested(ResourceProvider resource) { |
450 |
try {
|
451 |
checksResulsets(); |
452 |
return openResulsetCount() == 0 && closeResource(resource); |
453 |
} catch (DataException e) {
|
454 |
logger.error("Exception throws", e);
|
455 |
return false; |
456 |
} |
457 |
} |
458 |
|
459 |
|
460 |
protected String fixFilter(String filter) { |
461 |
if (filter == null) { |
462 |
return null; |
463 |
} |
464 |
|
465 |
return filter;
|
466 |
} |
467 |
|
468 |
protected JDBCHelper createHelper() throws InitializeException { |
469 |
return new JDBCHelper(this, getJDBCParameters()); |
470 |
} |
471 |
|
472 |
protected JDBCHelper getHelper() {
|
473 |
return helper;
|
474 |
} |
475 |
|
476 |
protected void resetCount() { |
477 |
totalCount = null;
|
478 |
} |
479 |
|
480 |
/**
|
481 |
* Get feature count for a <code>filter</code>.<br>
|
482 |
*
|
483 |
* <code>filter</code> can be <code>null</code>.<br>
|
484 |
*
|
485 |
* <strong>Note:</strong><br>
|
486 |
* this method have to perform <code>resouceBegin</code> at the begining and
|
487 |
* <code>resourceEnd</code> at the end of execution.
|
488 |
*
|
489 |
*
|
490 |
* @param filter
|
491 |
* @return
|
492 |
* @throws DataException
|
493 |
*/
|
494 |
protected long getCount(String filter) throws DataException { |
495 |
this.open();
|
496 |
if (filter == null && totalCount != null) { |
497 |
return totalCount.longValue();
|
498 |
} |
499 |
long count = 0; |
500 |
String sql = compoundCountSelect(filter);
|
501 |
resourceBegin(); |
502 |
try {
|
503 |
ResultSet rs = createNewResultSet(sql, null); |
504 |
try {
|
505 |
if (rs.next()) {
|
506 |
count = rs.getLong(1);
|
507 |
} |
508 |
} catch (SQLException e) { |
509 |
throw new JDBCSQLException(e); |
510 |
} finally {
|
511 |
closeResulset(rs); |
512 |
} |
513 |
} finally {
|
514 |
resourceEnd(); |
515 |
} |
516 |
if (filter == null) { |
517 |
totalCount = new Long(count); |
518 |
} |
519 |
return count;
|
520 |
} |
521 |
|
522 |
public void close() throws CloseException { |
523 |
helper.close(); |
524 |
} |
525 |
|
526 |
public void open() throws OpenException { |
527 |
helper.open(); |
528 |
} |
529 |
|
530 |
|
531 |
public FeatureProvider getFeatureProviderByReference(
|
532 |
FeatureReferenceProviderServices reference) throws DataException {
|
533 |
return getFeatureProviderByReference(reference, getFeatureStore()
|
534 |
.getDefaultFeatureType()); |
535 |
} |
536 |
|
537 |
public FeatureProvider getFeatureProviderByReference(
|
538 |
FeatureReferenceProviderServices reference, FeatureType featureType) |
539 |
throws DataException {
|
540 |
open(); |
541 |
resourceBegin(); |
542 |
try {
|
543 |
StringBuilder filter = new StringBuilder(); |
544 |
FeatureAttributeDescriptor[] pk = getFeatureStore().getFeatureType(
|
545 |
featureType.getId()).getPrimaryKey(); |
546 |
|
547 |
List values = new ArrayList(); |
548 |
|
549 |
int i;
|
550 |
for (i = 0; i < pk.length - 1; i++) { |
551 |
values.add(helper.dalValueToJDBC(pk[i], reference |
552 |
.getKeyValue(pk[i].getName()))); |
553 |
filter.append(helper.getSqlFieldName(pk[i])); |
554 |
filter.append(" = ? AND ");
|
555 |
} |
556 |
values.add(helper.dalValueToJDBC(pk[i], reference.getKeyValue(pk[i] |
557 |
.getName()))); |
558 |
filter.append(helper.getSqlFieldName(pk[i])); |
559 |
filter.append(" = ? ");
|
560 |
|
561 |
String sql = compoundSelect(featureType, filter.toString(), null, |
562 |
1, 0); |
563 |
|
564 |
FeatureProvider data; |
565 |
int rsId = createResultSet(sql, values.toArray());
|
566 |
try {
|
567 |
if (!resulsetNext(rsId)) {
|
568 |
// FIXME Exception
|
569 |
throw new RuntimeException("Reference Not found"); |
570 |
} |
571 |
data = createFeatureProvider(featureType); |
572 |
loadFeatureProvider(data, rsId); |
573 |
} finally {
|
574 |
closeResulset(rsId); |
575 |
} |
576 |
|
577 |
return data;
|
578 |
|
579 |
} finally {
|
580 |
resourceEnd(); |
581 |
} |
582 |
|
583 |
} |
584 |
|
585 |
public int getOIDType() { |
586 |
return DataTypes.UNKNOWN;
|
587 |
} |
588 |
|
589 |
protected void initFeatureType() throws InitializeException { |
590 |
|
591 |
EditableFeatureType edFType = null;
|
592 |
try {
|
593 |
edFType = this.getStoreServices().createFeatureType();
|
594 |
|
595 |
helper.loadFeatureType(edFType, getJDBCParameters()); |
596 |
|
597 |
} catch (DataException e) {
|
598 |
throw new InitializeException(this.getName(), e); |
599 |
} |
600 |
|
601 |
FeatureType defaultType = edFType.getNotEditableCopy(); |
602 |
List types = new ArrayList(1); |
603 |
types.add(defaultType); |
604 |
this.getStoreServices().setFeatureTypes(types, defaultType);
|
605 |
try {
|
606 |
loadMetadata(); |
607 |
} catch (DataException e) {
|
608 |
throw new InitializeException(e); |
609 |
} |
610 |
} |
611 |
|
612 |
protected ResultSet createNewResultSet(String sql, Object[] values) |
613 |
throws DataException {
|
614 |
this.open();
|
615 |
Connection conn = null; |
616 |
PreparedStatement st = null; |
617 |
ResultSet rs = null; |
618 |
this.resourceBegin();
|
619 |
try {
|
620 |
conn = this.helper.getConnection();
|
621 |
st = conn.prepareStatement(sql); |
622 |
|
623 |
if (values != null) { |
624 |
Object value;
|
625 |
for (int i = 0; i < values.length; i++) { |
626 |
value = values[i]; |
627 |
if (value instanceof Geometry) { |
628 |
byte[] bytes; |
629 |
try {
|
630 |
bytes = (byte[]) ((Geometry) value) |
631 |
.invokeOperation(ToWKB.CODE, null);
|
632 |
} catch (BaseException e) {
|
633 |
// FIXME
|
634 |
throw new InvalidParameterException(); |
635 |
} |
636 |
st.setBytes(i + 1, bytes);
|
637 |
} |
638 |
st.setObject(i + 1, value);
|
639 |
} |
640 |
|
641 |
} |
642 |
|
643 |
try {
|
644 |
rs = st.executeQuery(); |
645 |
} catch (SQLException e1) { |
646 |
try {st.close();} catch (Exception e2) {}; |
647 |
try {conn.close();} catch (Exception e2) {} ; |
648 |
throw new JDBCExecuteSQLException(sql, e1); |
649 |
} |
650 |
rs.setFetchSize(5000); // TODO add to params? |
651 |
return rs;
|
652 |
} catch (SQLException e) { |
653 |
// TODO throw exception ???
|
654 |
try {rs.close();} catch (Exception e1) {}; |
655 |
try {st.close();} catch (Exception e1) {}; |
656 |
try {conn.close();} catch (Exception e1) {}; |
657 |
throw new JDBCSQLException(e); |
658 |
} finally {
|
659 |
this.resourceEnd();
|
660 |
} |
661 |
} |
662 |
|
663 |
/**
|
664 |
* Permform a {@link Resource#begin()} to the current provider resources.
|
665 |
*
|
666 |
*/
|
667 |
|
668 |
protected void resourceBegin() throws ResourceBeginException { |
669 |
this.helper.begin();
|
670 |
|
671 |
} |
672 |
|
673 |
/**
|
674 |
* Permform a {@link Resource#end()} to the current provider resources.
|
675 |
*/
|
676 |
|
677 |
protected void resourceEnd() { |
678 |
this.helper.end();
|
679 |
} |
680 |
|
681 |
protected boolean closeResource(ResourceProvider resource) { |
682 |
try {
|
683 |
this.helper.close();
|
684 |
} catch (CloseException e) {
|
685 |
logger.error("Exception in close Request", e);
|
686 |
} |
687 |
return !this.helper.isOpen(); |
688 |
} |
689 |
|
690 |
protected String compoundCountSelect(String filter) { |
691 |
if (this.directSQLMode) { |
692 |
return null; |
693 |
} |
694 |
// Select
|
695 |
StringBuilder sql = new StringBuilder(); |
696 |
sql.append("Select count(");
|
697 |
String[] pkFields = getJDBCParameters().getPkFields(); |
698 |
if (pkFields != null && pkFields.length == 1) { |
699 |
sql.append(helper.escapeFieldName(pkFields[0]));
|
700 |
} else {
|
701 |
sql.append('*');
|
702 |
|
703 |
} |
704 |
sql.append(") ");
|
705 |
|
706 |
sql.append("from ");
|
707 |
|
708 |
sql.append(getJDBCParameters().tableID()); |
709 |
sql.append(' ');
|
710 |
|
711 |
appendWhere(sql, filter); |
712 |
|
713 |
return sql.toString();
|
714 |
} |
715 |
|
716 |
protected void appendWhere(StringBuilder sql, String filter) { |
717 |
filter = fixFilter(filter); |
718 |
String initialFilter = getJDBCParameters().getInitialFilter();
|
719 |
if ((initialFilter != null && initialFilter.length() != 0) |
720 |
|| (filter != null && filter.length() != 0)) { |
721 |
sql.append("where (");
|
722 |
|
723 |
if (initialFilter != null && initialFilter.length() != 0 |
724 |
&& filter != null && filter.length() != 0) { |
725 |
// initialFilter + filter
|
726 |
sql.append('(');
|
727 |
sql.append(initialFilter); |
728 |
sql.append(") and (");
|
729 |
sql.append(filter); |
730 |
sql.append(')');
|
731 |
} else if (initialFilter != null && initialFilter.length() != 0) { |
732 |
// initialFilter only
|
733 |
sql.append(initialFilter); |
734 |
} else {
|
735 |
// filter only
|
736 |
sql.append(filter); |
737 |
} |
738 |
sql.append(") ");
|
739 |
} |
740 |
} |
741 |
|
742 |
protected void loadMetadata() throws DataException { |
743 |
IProjection srs = getJDBCParameters().getSRS(); |
744 |
|
745 |
if (srs == null) { |
746 |
srs = getFeatureStore().getDefaultFeatureType().getDefaultSRS(); |
747 |
} |
748 |
|
749 |
this.setDynValue("DefaultSRS", srs); |
750 |
|
751 |
String defGeomName = this.getFeatureStore().getDefaultFeatureType() |
752 |
.getDefaultGeometryAttributeName(); |
753 |
Envelope env = null;
|
754 |
if (defGeomName != null && defGeomName.length() > 0) { |
755 |
env = this.helper.getFullEnvelopeOfField(this.getJDBCParameters(), |
756 |
defGeomName, this.getJDBCParameters().getWorkingArea());
|
757 |
|
758 |
} |
759 |
this.setDynValue("Envelope", env); |
760 |
|
761 |
} |
762 |
|
763 |
public void closeDone() throws DataException { |
764 |
clearMetadata(); |
765 |
|
766 |
} |
767 |
|
768 |
public void opendDone() throws DataException { |
769 |
// Nothing to do
|
770 |
} |
771 |
|
772 |
public Envelope getEnvelope() throws DataException { |
773 |
this.open();
|
774 |
return (Envelope) this.getDynValue("Envelope"); |
775 |
} |
776 |
|
777 |
public void resourceChanged(ResourceProvider resource) { |
778 |
this.getStoreServices().notifyChange(
|
779 |
DataStoreNotification.RESOURCE_CHANGED, |
780 |
resource); |
781 |
} |
782 |
|
783 |
protected void clearMetadata() { |
784 |
this.setDynValue("DefaultSRS", null); |
785 |
this.setDynValue("Envelope", null); |
786 |
} |
787 |
|
788 |
public boolean allowAutomaticValues() { |
789 |
return this.helper.allowAutomaticValues(); |
790 |
} |
791 |
|
792 |
public DataServerExplorer getExplorer() throws ReadException { |
793 |
DataManager manager = DALLocator.getDataManager(); |
794 |
JDBCServerExplorerParameters exParams; |
795 |
JDBCStoreParameters params = getJDBCParameters(); |
796 |
try {
|
797 |
exParams = (JDBCServerExplorerParameters) manager |
798 |
.createServerExplorerParameters(JDBCServerExplorer.NAME); |
799 |
exParams.setHost(params.getHost()); |
800 |
exParams.setPort(params.getPort()); |
801 |
exParams.setDBName(params.getDBName()); |
802 |
exParams.setUser(params.getUser()); |
803 |
exParams.setPassword(params.getPassword()); |
804 |
exParams.setUrl(params.getUrl()); |
805 |
exParams.setCatalog(params.getCatalog()); |
806 |
exParams.setSchema(params.getSchema()); |
807 |
exParams.setJDBCDriverClassName(params.getJDBCDriverClassName()); |
808 |
|
809 |
return manager.createServerExplorer(exParams);
|
810 |
} catch (DataException e) {
|
811 |
throw new ReadException(this.getName(), e); |
812 |
} catch (ValidateDataParametersException e) {
|
813 |
// TODO Auto-generated catch block
|
814 |
throw new ReadException(this.getName(), e); |
815 |
} |
816 |
} |
817 |
|
818 |
public void dispose() throws CloseException { |
819 |
this.close();
|
820 |
resulsetList = null;
|
821 |
this.helper.dispose();
|
822 |
super.dispose();
|
823 |
} |
824 |
|
825 |
public Object createNewOID() { |
826 |
return null; |
827 |
} |
828 |
|
829 |
public String compoundSelect(FeatureType type, String filter, String order, |
830 |
long limit, long offset) throws DataException { |
831 |
StringBuilder sql = new StringBuilder(); |
832 |
JDBCStoreParameters params = getJDBCParameters(); |
833 |
if (directSQLMode) {
|
834 |
if (filter != null || order != null) { |
835 |
// FIXME Exception
|
836 |
throw new UnsupportedOperationException(); |
837 |
} |
838 |
sql.append(params.getSQL()); |
839 |
sql.append(' ');
|
840 |
} else {
|
841 |
FeatureAttributeDescriptor[] fields = type
|
842 |
.getAttributeDescriptors(); |
843 |
|
844 |
// Select
|
845 |
sql.append("Select ");
|
846 |
for (int i = 0; i < fields.length - 1; i++) { |
847 |
sql.append(helper.getSqlFieldName(fields[i])); |
848 |
sql.append(", ");
|
849 |
} |
850 |
sql.append(helper.getSqlFieldName(fields[fields.length - 1]));
|
851 |
sql.append(' ');
|
852 |
|
853 |
FeatureAttributeDescriptor[] pkFields = getStoreServices()
|
854 |
.getProviderFeatureType(type.getId()).getPrimaryKey(); |
855 |
|
856 |
if (pkFields != null && pkFields.length > 0) { |
857 |
// checks for pk fields are in select
|
858 |
boolean toAdd;
|
859 |
for (int i = 0; i < pkFields.length; i++) { |
860 |
toAdd = true;
|
861 |
for (int j = 0; j < fields.length; j++) { |
862 |
if (pkFields[i].getName().equals(fields[j].getName())) {
|
863 |
toAdd = false;
|
864 |
break;
|
865 |
} |
866 |
if (toAdd) {
|
867 |
sql.append(", ");
|
868 |
sql.append(helper.getSqlFieldName(pkFields[i])); |
869 |
} |
870 |
} |
871 |
} |
872 |
sql.append(' ');
|
873 |
} |
874 |
|
875 |
// table
|
876 |
sql.append("from ");
|
877 |
sql.append(params.tableID()); |
878 |
sql.append(' ');
|
879 |
|
880 |
// Where
|
881 |
appendWhere(sql, filter); |
882 |
|
883 |
// Order
|
884 |
if ((params.getInitialOrder() != null && params.getInitialOrder() |
885 |
.length() != 0)
|
886 |
|| (order != null && order.length() != 0)) { |
887 |
sql.append("order by ");
|
888 |
|
889 |
if (order != null && order.length() != 0) { |
890 |
// order
|
891 |
sql.append(order); |
892 |
} else {
|
893 |
// initial order
|
894 |
sql.append(params.getInitialOrder()); |
895 |
} |
896 |
sql.append(' ');
|
897 |
} |
898 |
} |
899 |
// limit offset
|
900 |
if (limit >= 1 || offset >= 1) { |
901 |
sql.append(helper.compoundLimitAndOffset(limit,offset)); |
902 |
} |
903 |
return sql.toString();
|
904 |
} |
905 |
|
906 |
public long getFeatureCount() throws DataException { |
907 |
return getCount(null); |
908 |
} |
909 |
|
910 |
public String getName() { |
911 |
return NAME;
|
912 |
} |
913 |
|
914 |
public boolean hasGeometrySupport() { |
915 |
return false; |
916 |
} |
917 |
|
918 |
public FeatureSetProvider createSet(FeatureQuery query,
|
919 |
FeatureType featureType) throws DataException {
|
920 |
|
921 |
return new JDBCSetProvider(this, query, featureType); |
922 |
} |
923 |
|
924 |
public Object getSourceId() { |
925 |
return this.getJDBCParameters().getSourceId(); |
926 |
} |
927 |
|
928 |
} |