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 / JDBCStoreProviderWriter.java @ 40559
History | View | Annotate | Download (22.3 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.sql.Connection; |
57 |
import java.sql.PreparedStatement; |
58 |
import java.sql.SQLException; |
59 |
import java.sql.Statement; |
60 |
import java.util.ArrayList; |
61 |
import java.util.Arrays; |
62 |
import java.util.Iterator; |
63 |
import java.util.List; |
64 |
|
65 |
import org.gvsig.fmap.dal.exception.DataException; |
66 |
import org.gvsig.fmap.dal.exception.InitializeException; |
67 |
import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
68 |
import org.gvsig.fmap.dal.feature.FeatureRules; |
69 |
import org.gvsig.fmap.dal.feature.FeatureType; |
70 |
import org.gvsig.fmap.dal.feature.exception.PerformEditingException; |
71 |
import org.gvsig.fmap.dal.feature.spi.FeatureProvider; |
72 |
import org.gvsig.fmap.dal.feature.spi.FeatureReferenceProviderServices; |
73 |
import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
74 |
import org.gvsig.fmap.dal.store.db.FeatureTypeHelper; |
75 |
import org.gvsig.fmap.dal.store.jdbc.exception.JDBCExecutePreparedSQLException; |
76 |
import org.gvsig.fmap.dal.store.jdbc.exception.JDBCExecuteSQLException; |
77 |
import org.gvsig.fmap.dal.store.jdbc.exception.JDBCPreparingSQLException; |
78 |
import org.gvsig.fmap.dal.store.jdbc.exception.JDBCSQLException; |
79 |
import org.gvsig.fmap.dal.store.jdbc.exception.JDBCUpdateWithoutChangesException; |
80 |
import org.gvsig.tools.dynobject.DynObject; |
81 |
import org.slf4j.Logger; |
82 |
import org.slf4j.LoggerFactory; |
83 |
|
84 |
/**
|
85 |
* @author jmvivo
|
86 |
*
|
87 |
*/
|
88 |
public class JDBCStoreProviderWriter extends JDBCStoreProvider { |
89 |
|
90 |
final static private Logger logger = LoggerFactory |
91 |
.getLogger(JDBCStoreProviderWriter.class); |
92 |
|
93 |
|
94 |
protected String appendModeSql; |
95 |
protected List<FeatureAttributeDescriptor> appendModeAttributes; |
96 |
|
97 |
|
98 |
public JDBCStoreProviderWriter(JDBCStoreParameters params,
|
99 |
DataStoreProviderServices storeServices) |
100 |
throws InitializeException {
|
101 |
super(params, storeServices);
|
102 |
} |
103 |
|
104 |
protected JDBCStoreProviderWriter(JDBCStoreParameters params,
|
105 |
DataStoreProviderServices storeServices, DynObject metadata) |
106 |
throws InitializeException {
|
107 |
super(params, storeServices, metadata);
|
108 |
} |
109 |
|
110 |
|
111 |
|
112 |
protected void addToListFeatureValues(FeatureProvider featureProvider, |
113 |
FeatureAttributeDescriptor attrOfList, |
114 |
FeatureAttributeDescriptor attr, List<Object> values) throws DataException { |
115 |
if (attr == null) { |
116 |
if (attrOfList.isPrimaryKey()) {
|
117 |
throw new RuntimeException("pk attribute '" |
118 |
+ attrOfList.getName() + "' not found in feature");
|
119 |
} |
120 |
values.add(helper |
121 |
.dalValueToJDBC(attr, attrOfList.getDefaultValue())); |
122 |
} else {
|
123 |
values.add(helper.dalValueToJDBC(attr, featureProvider.get(attr |
124 |
.getIndex()))); |
125 |
} |
126 |
|
127 |
} |
128 |
|
129 |
protected void addToListFeatureValues(FeatureProvider featureProvider, |
130 |
List<FeatureAttributeDescriptor> attributes, List<Object> values) throws DataException { |
131 |
FeatureAttributeDescriptor attr, attrOfList; |
132 |
FeatureType fType = featureProvider.getType(); |
133 |
for (int i = 0; i < attributes.size(); i++) { |
134 |
attrOfList = (FeatureAttributeDescriptor) attributes.get(i); |
135 |
attr = fType.getAttributeDescriptor(attrOfList.getName()); |
136 |
addToListFeatureValues(featureProvider, attrOfList, attr, values); |
137 |
} |
138 |
} |
139 |
|
140 |
protected void appendToSQLPreparedPkWhereClause(StringBuilder sql, |
141 |
List<FeatureAttributeDescriptor> pkAttributes) {
|
142 |
sql.append(" Where ");
|
143 |
FeatureAttributeDescriptor attr; |
144 |
for (int i = 0; i < pkAttributes.size() - 1; i++) { |
145 |
attr = (FeatureAttributeDescriptor) pkAttributes.get(i); |
146 |
sql.append(helper.escapeFieldName(attr.getName())); |
147 |
sql.append(" = ? AND ");
|
148 |
} |
149 |
attr = (FeatureAttributeDescriptor) pkAttributes.get(pkAttributes |
150 |
.size() - 1);
|
151 |
sql.append(helper.escapeFieldName(attr.getName())); |
152 |
sql.append(" = ? ");
|
153 |
} |
154 |
|
155 |
protected void executeRemovePreparedStatement(Connection conn, String sql, |
156 |
List<FeatureAttributeDescriptor> attributes, Iterator<FeatureReferenceProviderServices> featureReferences) throws DataException { |
157 |
PreparedStatement st;
|
158 |
try {
|
159 |
st = conn.prepareStatement(sql); |
160 |
} catch (SQLException e) { |
161 |
throw new JDBCPreparingSQLException(sql, e); |
162 |
} |
163 |
try {
|
164 |
List<Object> values = new ArrayList<Object>(); |
165 |
FeatureReferenceProviderServices featureRef; |
166 |
// FeatureType featureType;
|
167 |
while (featureReferences.hasNext()) {
|
168 |
st.clearParameters(); |
169 |
featureRef = featureReferences.next(); |
170 |
values.clear(); |
171 |
// featureType = this.getFeatureStore()
|
172 |
// .getFeatureType(featureRef.getFeatureTypeId());
|
173 |
|
174 |
Iterator<FeatureAttributeDescriptor> iter = attributes.iterator();
|
175 |
FeatureAttributeDescriptor attr; |
176 |
while (iter.hasNext()) {
|
177 |
attr = iter.next(); |
178 |
values.add( helper.dalValueToJDBC(attr, featureRef |
179 |
.getKeyValue(attr.getName()))); |
180 |
} |
181 |
|
182 |
for (int i = 0; i < values.size(); i++) { |
183 |
st.setObject(i + 1, values.get(i));
|
184 |
} |
185 |
try {
|
186 |
int nAffected =st.executeUpdate();
|
187 |
if (nAffected == 0) { |
188 |
throw new JDBCUpdateWithoutChangesException(sql, values); |
189 |
} |
190 |
if (nAffected > 1){ |
191 |
logger.warn("Remove statement affectst to {} rows: {}",
|
192 |
nAffected, sql); |
193 |
} |
194 |
|
195 |
} catch (SQLException e) { |
196 |
throw new JDBCExecutePreparedSQLException(sql, values, e); |
197 |
} |
198 |
|
199 |
} |
200 |
} catch (SQLException e) { |
201 |
throw new JDBCSQLException(e); |
202 |
} finally {
|
203 |
try {st.close();} catch (SQLException e) { }; |
204 |
} |
205 |
|
206 |
} |
207 |
|
208 |
protected void executeUpdatePreparedStatement(Connection conn, String sql, |
209 |
List<FeatureAttributeDescriptor> attributes, Iterator<FeatureProvider> featureProviders) throws DataException { |
210 |
PreparedStatement st;
|
211 |
try {
|
212 |
st = conn.prepareStatement(sql); |
213 |
} catch (SQLException e) { |
214 |
throw new JDBCPreparingSQLException(sql, e); |
215 |
} |
216 |
try {
|
217 |
List<Object> values = new ArrayList<Object>(); |
218 |
FeatureProvider featureProvider; |
219 |
while (featureProviders.hasNext()) {
|
220 |
st.clearParameters(); |
221 |
featureProvider = (FeatureProvider) featureProviders.next(); |
222 |
values.clear(); |
223 |
addToListFeatureValues(featureProvider, attributes, values); |
224 |
for (int i = 0; i < values.size(); i++) { |
225 |
st.setObject(i + 1, values.get(i));
|
226 |
} |
227 |
try {
|
228 |
if (st.executeUpdate() == 0) { |
229 |
throw new JDBCUpdateWithoutChangesException(sql, values); |
230 |
} |
231 |
} catch (SQLException e) { |
232 |
throw new JDBCExecutePreparedSQLException(sql, values, e); |
233 |
} |
234 |
|
235 |
} |
236 |
} catch (SQLException e) { |
237 |
throw new JDBCSQLException(e); |
238 |
} finally {
|
239 |
try {st.close();} catch (SQLException e) { }; |
240 |
} |
241 |
|
242 |
} |
243 |
|
244 |
protected void performDeletes(Connection conn, Iterator<FeatureReferenceProviderServices> deleteds, List<FeatureAttributeDescriptor> pkAttributes) |
245 |
throws DataException {
|
246 |
|
247 |
if (pkAttributes.size() < 0) { |
248 |
throw new RuntimeException("Operation requires missing pk"); |
249 |
} |
250 |
|
251 |
// ************ Prepare SQL ****************
|
252 |
StringBuilder sqlb = new StringBuilder(); |
253 |
sqlb.append("Delete from ");
|
254 |
sqlb.append(getJDBCParameters().tableID()); |
255 |
appendToSQLPreparedPkWhereClause(sqlb, pkAttributes); |
256 |
String sql = sqlb.toString();
|
257 |
// ************ Prepare SQL (end) ****************
|
258 |
|
259 |
executeRemovePreparedStatement(conn, sql, pkAttributes, deleteds); |
260 |
} |
261 |
|
262 |
protected String getSqlStatementAddField(FeatureAttributeDescriptor attr, |
263 |
List<String> additionalStatement) throws DataException { |
264 |
StringBuilder strb = new StringBuilder(); |
265 |
strb.append("ADD ");
|
266 |
strb.append(this.helper.getSqlFieldDescription(attr));
|
267 |
return strb.toString();
|
268 |
} |
269 |
|
270 |
protected String getSqlStatementDropField(FeatureAttributeDescriptor attr,List<String> additionalStatement) { |
271 |
// DROP [ COLUMN ] column
|
272 |
return " DROP COLUMN " |
273 |
+ this.helper.escapeFieldName(attr.getName());
|
274 |
|
275 |
} |
276 |
|
277 |
public boolean supportsAppendMode() { |
278 |
return true; |
279 |
} |
280 |
|
281 |
public void endAppend() throws DataException { |
282 |
appendModeSql = null;
|
283 |
appendModeAttributes = null;
|
284 |
} |
285 |
|
286 |
protected List<String> getSqlStatementAlterField( |
287 |
FeatureAttributeDescriptor attrOrg, |
288 |
FeatureAttributeDescriptor attrTrg, List<String> additionalStatement) |
289 |
throws DataException {
|
290 |
//
|
291 |
List<String> actions = new ArrayList<String>(); |
292 |
StringBuilder strb;
|
293 |
if (attrOrg.getDataType() != attrTrg.getDataType()) {
|
294 |
// ALTER COLUMN {col} TYPE {type} character varying(35)
|
295 |
strb = new StringBuilder(); |
296 |
strb.append("ALTER COLUMN ");
|
297 |
strb.append(helper.escapeFieldName(attrTrg.getName())); |
298 |
strb.append(" ");
|
299 |
strb.append(helper.getSqlColumnTypeDescription(attrTrg)); |
300 |
|
301 |
actions.add(strb.toString()); |
302 |
} |
303 |
|
304 |
if (attrOrg.allowNull() != attrTrg.allowNull()) {
|
305 |
// ALTER [ COLUMN ] column { SET | DROP } NOT NULL
|
306 |
|
307 |
strb = new StringBuilder(); |
308 |
strb.append("ALTER COLUMN ");
|
309 |
strb.append(helper.escapeFieldName(attrTrg.getName())); |
310 |
strb.append(' ');
|
311 |
if (attrTrg.allowNull()) {
|
312 |
strb.append("SET ");
|
313 |
} else {
|
314 |
strb.append("DROP ");
|
315 |
} |
316 |
strb.append("NOT NULL");
|
317 |
actions.add(strb.toString()); |
318 |
} |
319 |
|
320 |
if (attrOrg.getDefaultValue() != attrTrg.getDefaultValue()) {
|
321 |
if (attrTrg.getDefaultValue() == null) { |
322 |
// ALTER [ COLUMN ] column DROP DEFAULT
|
323 |
|
324 |
strb = new StringBuilder(); |
325 |
strb.append("ALTER COLUMN ");
|
326 |
strb.append(helper.escapeFieldName(attrTrg.getName())); |
327 |
strb.append(" DROP DEFAULT");
|
328 |
actions.add(strb.toString()); |
329 |
} else if (!attrTrg.getDefaultValue().equals( |
330 |
attrOrg.getDefaultValue())) { |
331 |
// ALTER [ COLUMN ] column DROP DEFAULT
|
332 |
|
333 |
strb = new StringBuilder(); |
334 |
strb.append("ALTER COLUMN ");
|
335 |
strb.append(helper.escapeFieldName(attrTrg.getName())); |
336 |
strb.append(" SET DEFAULT");
|
337 |
strb.append(helper.dalValueToJDBC(attrTrg, attrTrg |
338 |
.getDefaultValue())); |
339 |
actions.add(strb.toString()); |
340 |
} |
341 |
} |
342 |
|
343 |
return actions;
|
344 |
} |
345 |
|
346 |
protected void performUpdateTable(Connection conn, FeatureType original, |
347 |
FeatureType target) throws DataException {
|
348 |
|
349 |
/*
|
350 |
*
|
351 |
* ALTER TABLE [ ONLY ] name [ * ] action [, ... ]
|
352 |
*/
|
353 |
|
354 |
List<String> toDrop = new ArrayList<String>(); |
355 |
List<String> toAdd = new ArrayList<String>(); |
356 |
List<String> toAlter = new ArrayList<String>(); |
357 |
|
358 |
List<String> additionalStatement = new ArrayList<String>(); |
359 |
|
360 |
FeatureAttributeDescriptor attrOrg; |
361 |
FeatureAttributeDescriptor attrTrg; |
362 |
Iterator<FeatureAttributeDescriptor> attrs = FeatureTypeHelper.iterator(original);
|
363 |
while (attrs.hasNext()) {
|
364 |
attrOrg = (FeatureAttributeDescriptor) attrs.next(); |
365 |
attrTrg = target.getAttributeDescriptor(attrOrg.getName()); |
366 |
if (attrTrg == null) { |
367 |
toDrop.add(getSqlStatementDropField(attrOrg, |
368 |
additionalStatement)); |
369 |
} else {
|
370 |
toAlter.addAll(getSqlStatementAlterField(attrOrg, attrTrg,additionalStatement)); |
371 |
} |
372 |
|
373 |
} |
374 |
attrs = FeatureTypeHelper.iterator(target); |
375 |
while (attrs.hasNext()) {
|
376 |
attrTrg = (FeatureAttributeDescriptor) attrs.next(); |
377 |
if (original.getAttributeDescriptor(attrTrg.getName()) == null) { |
378 |
toAdd.add(getSqlStatementAddField(attrTrg, |
379 |
additionalStatement)); |
380 |
} |
381 |
} |
382 |
|
383 |
StringBuilder sqlb = new StringBuilder(); |
384 |
|
385 |
sqlb.append("ALTER TABLE ");
|
386 |
sqlb.append(getJDBCParameters().tableID()); |
387 |
sqlb.append(' ');
|
388 |
|
389 |
List<String> actions = new ArrayList<String>(); |
390 |
actions.addAll(toDrop); |
391 |
actions.addAll(toAlter); |
392 |
actions.addAll(toAdd); |
393 |
|
394 |
Iterator<String> it = actions.iterator(); |
395 |
while (it.hasNext()) {
|
396 |
if (it.next() == null) { |
397 |
it.remove(); |
398 |
} |
399 |
} |
400 |
|
401 |
it = additionalStatement.iterator(); |
402 |
while (it.hasNext()) {
|
403 |
if (it.next() == null) { |
404 |
it.remove(); |
405 |
} |
406 |
} |
407 |
|
408 |
if (actions.size() < 1) { |
409 |
return;
|
410 |
} |
411 |
|
412 |
helper.stringJoin(actions, ", ", sqlb);
|
413 |
|
414 |
String sql = sqlb.toString();
|
415 |
|
416 |
Statement st = null; |
417 |
|
418 |
try {
|
419 |
st = conn.createStatement(); |
420 |
} catch (SQLException e1) { |
421 |
throw new JDBCSQLException(e1); |
422 |
} |
423 |
try {
|
424 |
st.execute(sql); |
425 |
Iterator<String> iter = additionalStatement.iterator(); |
426 |
while (iter.hasNext()) {
|
427 |
sql = (String) iter.next();
|
428 |
st.execute(sql); |
429 |
} |
430 |
} catch (SQLException e1) { |
431 |
throw new JDBCExecuteSQLException(sql, e1); |
432 |
} finally {
|
433 |
try {
|
434 |
st.close(); |
435 |
} catch (Exception e) { |
436 |
logger.error("Exception closing statement", e);
|
437 |
} |
438 |
; |
439 |
} |
440 |
|
441 |
} |
442 |
|
443 |
|
444 |
private void perfomInsert(Connection conn, PreparedStatement insertSt, |
445 |
String sql, FeatureProvider feature, List<FeatureAttributeDescriptor> attributes) |
446 |
throws DataException {
|
447 |
|
448 |
try {
|
449 |
insertSt.clearParameters(); |
450 |
List<Object> values = new ArrayList<Object>(); |
451 |
addToListFeatureValues(feature, attributes, values); |
452 |
// FeatureAttributeDescriptor attr;
|
453 |
int j = 1; |
454 |
for (int i = 0; i < values.size(); i++) { |
455 |
insertSt.setObject(j, values.get(i)); |
456 |
j++; |
457 |
} |
458 |
if (logger.isDebugEnabled()) {
|
459 |
logger.debug("Executing insert. sql={} value={}", new Object[] { |
460 |
sql, values }); |
461 |
} |
462 |
try {
|
463 |
insertSt.execute(); |
464 |
} catch (SQLException e) { |
465 |
throw new JDBCExecutePreparedSQLException(sql, values, e); |
466 |
} |
467 |
|
468 |
} catch (SQLException e1) { |
469 |
throw new JDBCSQLException(e1); |
470 |
} |
471 |
} |
472 |
|
473 |
public void append(final FeatureProvider featureProvider) throws DataException { |
474 |
TransactionalAction action = new TransactionalAction() {
|
475 |
public Object action(Connection conn) throws DataException { |
476 |
|
477 |
PreparedStatement st;
|
478 |
try {
|
479 |
st = conn.prepareStatement(appendModeSql); |
480 |
} catch (SQLException e) { |
481 |
throw new JDBCPreparingSQLException(appendModeSql, e); |
482 |
} |
483 |
try {
|
484 |
perfomInsert(conn, st, appendModeSql, featureProvider, |
485 |
appendModeAttributes); |
486 |
} finally {
|
487 |
try {
|
488 |
st.close(); |
489 |
} catch (SQLException e) { |
490 |
} |
491 |
; |
492 |
} |
493 |
return null; |
494 |
} |
495 |
|
496 |
public boolean continueTransactionAllowed() { |
497 |
return false; |
498 |
} |
499 |
}; |
500 |
try {
|
501 |
this.helper.doConnectionAction(action);
|
502 |
|
503 |
resetCount(); |
504 |
|
505 |
} catch (Exception e) { |
506 |
throw new PerformEditingException(this.getProviderName(), e); |
507 |
} |
508 |
} |
509 |
|
510 |
protected void prepareAttributeForUpdate(FeatureAttributeDescriptor attr, |
511 |
List<String> values) { |
512 |
values.add(helper.escapeFieldName(attr.getName()) + " = ?");
|
513 |
} |
514 |
|
515 |
protected void prepareAttributeForInsert(FeatureAttributeDescriptor attr, |
516 |
List<String> fields, List<String> values) { |
517 |
|
518 |
fields.add(helper.escapeFieldName(attr.getName())); |
519 |
values.add("?");
|
520 |
|
521 |
} |
522 |
|
523 |
|
524 |
protected void prepareSQLAndAttributeListForInsert(StringBuilder sqlb, |
525 |
List<FeatureAttributeDescriptor> attributes) throws DataException { |
526 |
/*
|
527 |
* INSERT INTO table [ ( column [, ...] ) ] { DEFAULT VALUES | VALUES (
|
528 |
* { expression | DEFAULT } [, ...] ) [, ...] | query } [ RETURNING * |
|
529 |
* output_expression [ AS output_name ] [, ...] ]
|
530 |
*/
|
531 |
|
532 |
sqlb.append("INSERT INTO ");
|
533 |
sqlb.append(getJDBCParameters().tableID()); |
534 |
|
535 |
sqlb.append(" (");
|
536 |
|
537 |
FeatureType type = this.getFeatureStore().getDefaultFeatureType();
|
538 |
|
539 |
List<String> fields = new ArrayList<String>(); |
540 |
List<String> values = new ArrayList<String>(); |
541 |
|
542 |
Iterator<FeatureAttributeDescriptor> iter = FeatureTypeHelper.iterator(type);
|
543 |
FeatureAttributeDescriptor attr; |
544 |
while (iter.hasNext()) {
|
545 |
attr = iter.next(); |
546 |
if (attr.isAutomatic() || attr.isReadOnly()) {
|
547 |
continue;
|
548 |
} |
549 |
attributes.add(attr); |
550 |
prepareAttributeForInsert(attr, fields, values); |
551 |
|
552 |
} |
553 |
if (attributes.size() < 1) { |
554 |
throw new RuntimeException("no fields to set"); |
555 |
} |
556 |
|
557 |
helper.stringJoin(fields, ", ", sqlb);
|
558 |
|
559 |
sqlb.append(") VALUES (");
|
560 |
helper.stringJoin(values, ", ", sqlb);
|
561 |
|
562 |
sqlb.append(") ");
|
563 |
|
564 |
} |
565 |
|
566 |
|
567 |
protected void performInserts(Connection conn, Iterator<FeatureProvider> inserteds) |
568 |
throws DataException {
|
569 |
|
570 |
StringBuilder sqlb = new StringBuilder(); |
571 |
List<FeatureAttributeDescriptor> attrs = new ArrayList<FeatureAttributeDescriptor>(); |
572 |
|
573 |
prepareSQLAndAttributeListForInsert(sqlb, attrs); |
574 |
|
575 |
String sql = sqlb.toString();
|
576 |
PreparedStatement st;
|
577 |
try {
|
578 |
st = conn.prepareStatement(sql); |
579 |
} catch (SQLException e) { |
580 |
throw new JDBCPreparingSQLException(sql, e); |
581 |
} |
582 |
try {
|
583 |
while (inserteds.hasNext()) {
|
584 |
perfomInsert(conn, st, sql, inserteds.next(), |
585 |
attrs); |
586 |
} |
587 |
} finally {
|
588 |
try {st.close();} catch (SQLException e) {logger.error("Error closing statement", e);}; |
589 |
} |
590 |
} |
591 |
|
592 |
protected void performUpdates(Connection conn, Iterator<FeatureProvider> updateds, |
593 |
List<FeatureAttributeDescriptor> pkAttributes) throws DataException { |
594 |
/*
|
595 |
* UPDATE [ ONLY ] table [ [ AS ] alias ] SET { column = { expression |
|
596 |
* DEFAULT } | ( column [, ...] ) = ( { expression | DEFAULT } [, ...] )
|
597 |
* } [, ...] [ FROM fromlist ] [ WHERE condition ] [ RETURNING * |
|
598 |
* output_expression [ AS output_name ] [, ...] ]
|
599 |
*/
|
600 |
|
601 |
if (pkAttributes.size() < 0) { |
602 |
throw new RuntimeException("Operation requires missing pk"); |
603 |
} |
604 |
|
605 |
// ************ Prepare SQL ****************
|
606 |
|
607 |
StringBuilder sqlb = new StringBuilder(); |
608 |
sqlb.append("UPDATE ");
|
609 |
sqlb.append(getJDBCParameters().tableID()); |
610 |
|
611 |
sqlb.append(" SET ");
|
612 |
|
613 |
List<String> values = new ArrayList<String>(); |
614 |
|
615 |
FeatureType type = this.getFeatureStore().getDefaultFeatureType();
|
616 |
|
617 |
Iterator<FeatureAttributeDescriptor> iter = FeatureTypeHelper.iterator(type);
|
618 |
FeatureAttributeDescriptor attr; |
619 |
List<FeatureAttributeDescriptor> updateAttrs = new ArrayList<FeatureAttributeDescriptor>(); |
620 |
while (iter.hasNext()) {
|
621 |
attr = iter.next(); |
622 |
if (attr.isPrimaryKey() || attr.isAutomatic() || attr.isReadOnly()) {
|
623 |
continue;
|
624 |
} |
625 |
updateAttrs.add(attr); |
626 |
prepareAttributeForUpdate(attr, values); |
627 |
|
628 |
} |
629 |
if (updateAttrs.size() < 1) { |
630 |
throw new RuntimeException("no fields to set"); |
631 |
} |
632 |
|
633 |
helper.stringJoin(values, ", ", sqlb);
|
634 |
|
635 |
sqlb.append(' ');
|
636 |
appendToSQLPreparedPkWhereClause(sqlb, pkAttributes); |
637 |
|
638 |
String sql = sqlb.toString();
|
639 |
// ************ Prepare SQL (end) ****************
|
640 |
|
641 |
updateAttrs.addAll(pkAttributes); |
642 |
|
643 |
executeUpdatePreparedStatement(conn, sql, updateAttrs, updateds); |
644 |
} |
645 |
|
646 |
|
647 |
public void beginAppend() throws DataException { |
648 |
StringBuilder sqlb = new StringBuilder(); |
649 |
List<FeatureAttributeDescriptor> attrs = new ArrayList<FeatureAttributeDescriptor>(); |
650 |
|
651 |
prepareSQLAndAttributeListForInsert(sqlb, attrs); |
652 |
|
653 |
appendModeSql = sqlb.toString(); |
654 |
appendModeAttributes = attrs; |
655 |
} |
656 |
|
657 |
|
658 |
protected TransactionalAction getPerformChangesAction(
|
659 |
final Iterator<FeatureReferenceProviderServices> deleteds, |
660 |
final Iterator<FeatureProvider> inserteds, |
661 |
final Iterator<FeatureProvider> updateds, |
662 |
final Iterator<FeatureTypeChanged> featureTypesChanged) { |
663 |
|
664 |
TransactionalAction action = new TransactionalAction() {
|
665 |
|
666 |
public Object action(Connection conn) throws DataException { |
667 |
|
668 |
if (featureTypesChanged.hasNext()) {
|
669 |
|
670 |
FeatureTypeChanged item = featureTypesChanged.next(); |
671 |
performUpdateTable(conn, item.getSource(), item.getTarget()); |
672 |
} |
673 |
|
674 |
List<FeatureAttributeDescriptor> pkAttributes = null; |
675 |
if (deleteds.hasNext() || updateds.hasNext()) {
|
676 |
pkAttributes = Arrays.asList(getFeatureStore()
|
677 |
.getDefaultFeatureType() |
678 |
.getPrimaryKey()); |
679 |
} |
680 |
|
681 |
if (deleteds.hasNext()) {
|
682 |
performDeletes(conn, deleteds, pkAttributes); |
683 |
} |
684 |
|
685 |
if (updateds.hasNext()) {
|
686 |
performUpdates(conn, updateds, pkAttributes); |
687 |
} |
688 |
|
689 |
if (inserteds.hasNext()) {
|
690 |
performInserts(conn, inserteds); |
691 |
} |
692 |
|
693 |
return null; |
694 |
} |
695 |
|
696 |
public boolean continueTransactionAllowed() { |
697 |
return false; |
698 |
} |
699 |
|
700 |
}; |
701 |
|
702 |
return action;
|
703 |
|
704 |
} |
705 |
|
706 |
@SuppressWarnings("unchecked") |
707 |
public void performChanges(Iterator deleteds, Iterator inserteds, |
708 |
Iterator updateds, Iterator featureTypesChanged) |
709 |
throws PerformEditingException {
|
710 |
|
711 |
boolean countChanged = deleteds.hasNext() || inserteds.hasNext();
|
712 |
|
713 |
try {
|
714 |
this.helper.doConnectionAction(getPerformChangesAction(deleteds,
|
715 |
inserteds, updateds, featureTypesChanged)); |
716 |
|
717 |
/*
|
718 |
* Get rules before initializing feature type
|
719 |
*/
|
720 |
FeatureRules old_rules = getFeatureStore().getDefaultFeatureType().getRules(); |
721 |
|
722 |
/*
|
723 |
* This initialization loses the feature type rules
|
724 |
*/
|
725 |
this.initFeatureType();
|
726 |
|
727 |
/*
|
728 |
* Get new feature type, clear rules and add
|
729 |
* the ones saved previously
|
730 |
*/
|
731 |
FeatureType ft = getFeatureStore().getDefaultFeatureType(); |
732 |
FeatureRules new_rules = ft.getRules(); |
733 |
new_rules.clear(); |
734 |
for (int i=0; i<old_rules.size(); i++) { |
735 |
new_rules.add(old_rules.getRule(i)); |
736 |
} |
737 |
// ===================================================
|
738 |
|
739 |
if (countChanged) {
|
740 |
resetCount(); |
741 |
} |
742 |
|
743 |
} catch (Exception e) { |
744 |
throw new PerformEditingException(this.getProviderName(), e); |
745 |
} |
746 |
} |
747 |
|
748 |
|
749 |
public boolean allowWrite() { |
750 |
if (directSQLMode) {
|
751 |
return false; |
752 |
} |
753 |
if (getJDBCParameters().getPkFields() == null |
754 |
|| getJDBCParameters().getPkFields().length > 0) {
|
755 |
FeatureType ft = null;
|
756 |
try {
|
757 |
ft = this.getFeatureStore().getDefaultFeatureType();
|
758 |
} catch (DataException e) {
|
759 |
logger.error("Excepton get default Feature Type", e);
|
760 |
} |
761 |
|
762 |
if (ft == null) { |
763 |
return false; |
764 |
} |
765 |
FeatureAttributeDescriptor attr; |
766 |
Iterator<FeatureAttributeDescriptor> iter = FeatureTypeHelper.iterator(ft);
|
767 |
while (iter.hasNext()) {
|
768 |
attr = (FeatureAttributeDescriptor) iter.next(); |
769 |
if (attr.isPrimaryKey()) {
|
770 |
return true; |
771 |
} |
772 |
} |
773 |
return false; |
774 |
|
775 |
} else {
|
776 |
return true; |
777 |
} |
778 |
} |
779 |
} |