1 |
| package org.jboss.cache.loader; |
2 |
| |
3 |
| import net.jcip.annotations.ThreadSafe; |
4 |
| import org.apache.commons.logging.Log; |
5 |
| import org.jboss.cache.Fqn; |
6 |
| import org.jboss.cache.Modification; |
7 |
| import org.jboss.cache.config.CacheLoaderConfig; |
8 |
| import org.jboss.cache.lock.StripedLock; |
9 |
| import org.jboss.cache.util.Util; |
10 |
| |
11 |
| import java.io.ByteArrayInputStream; |
12 |
| import java.io.IOException; |
13 |
| import java.io.InputStream; |
14 |
| import java.sql.Connection; |
15 |
| import java.sql.DatabaseMetaData; |
16 |
| import java.sql.PreparedStatement; |
17 |
| import java.sql.ResultSet; |
18 |
| import java.sql.SQLException; |
19 |
| import java.sql.Statement; |
20 |
| import java.sql.Types; |
21 |
| import java.util.Collection; |
22 |
| import java.util.Collections; |
23 |
| import java.util.HashMap; |
24 |
| import java.util.HashSet; |
25 |
| import java.util.List; |
26 |
| import java.util.Locale; |
27 |
| import java.util.Map; |
28 |
| import java.util.Properties; |
29 |
| import java.util.Set; |
30 |
| |
31 |
| |
32 |
| |
33 |
| |
34 |
| |
35 |
| |
36 |
| |
37 |
| |
38 |
| |
39 |
| |
40 |
| |
41 |
| |
42 |
| |
43 |
| |
44 |
| |
45 |
| @ThreadSafe |
46 |
| public abstract class AdjListJDBCCacheLoader extends AbstractCacheLoader |
47 |
| { |
48 |
| protected ConnectionFactory cf; |
49 |
| protected String driverName; |
50 |
| private AdjListJDBCCacheLoaderConfig config; |
51 |
| protected StripedLock lock = new StripedLock(); |
52 |
| |
53 |
259
| public void setConfig(CacheLoaderConfig.IndividualCacheLoaderConfig base)
|
54 |
| { |
55 |
259
| config = processConfig(base);
|
56 |
| |
57 |
259
| if (config.getDatasourceName() == null)
|
58 |
| { |
59 |
196
| try
|
60 |
| { |
61 |
| |
62 |
| |
63 |
196
| getLogger().debug("Initialising with a connection factory since data source is not provided.");
|
64 |
196
| if (getLogger().isDebugEnabled())
|
65 |
0
| getLogger().debug("Using connection factory " + config.getConnectionFactoryClass());
|
66 |
196
| cf = (ConnectionFactory) Util.loadClass(config.getConnectionFactoryClass()).newInstance();
|
67 |
| } |
68 |
| catch (Exception e) |
69 |
| { |
70 |
0
| getLogger().error("Connection factory class could not be loaded", e);
|
71 |
0
| throw new IllegalStateException("Connection factory class could not be loaded", e);
|
72 |
| } |
73 |
| } |
74 |
| else |
75 |
| { |
76 |
| |
77 |
| |
78 |
63
| cf = new ManagedConnectionFactory();
|
79 |
| } |
80 |
| |
81 |
259
| cf.setConfig(config);
|
82 |
| } |
83 |
| |
84 |
| |
85 |
| |
86 |
| |
87 |
| |
88 |
| |
89 |
| |
90 |
| |
91 |
| |
92 |
7264
| public Map get(Fqn name) throws Exception
|
93 |
| { |
94 |
7264
| lock.acquireLock(name, false);
|
95 |
7264
| try
|
96 |
| { |
97 |
7264
| final Map node = loadNode(name);
|
98 |
7264
| return node == NULL_NODE_IN_ROW ? new HashMap(0) : node;
|
99 |
| } |
100 |
| finally |
101 |
| { |
102 |
7264
| lock.releaseLock(name);
|
103 |
| } |
104 |
| } |
105 |
| |
106 |
| |
107 |
| |
108 |
| |
109 |
| |
110 |
| |
111 |
| |
112 |
| |
113 |
6203
| public Set<String> getChildrenNames(Fqn fqn) throws Exception
|
114 |
| { |
115 |
6203
| Set children = null;
|
116 |
6203
| Connection con = null;
|
117 |
6203
| PreparedStatement ps = null;
|
118 |
6203
| ResultSet rs = null;
|
119 |
6203
| try
|
120 |
| { |
121 |
6203
| if (getLogger().isDebugEnabled())
|
122 |
| { |
123 |
0
| getLogger().debug("executing sql: " + config.getSelectChildNamesSql() + " (" + fqn + ")");
|
124 |
| } |
125 |
| |
126 |
6203
| con = cf.getConnection();
|
127 |
6203
| ps = con.prepareStatement(config.getSelectChildNamesSql());
|
128 |
6203
| ps.setString(1, fqn.toString());
|
129 |
6203
| lock.acquireLock(fqn, false);
|
130 |
6203
| rs = ps.executeQuery();
|
131 |
6203
| if (rs.next())
|
132 |
| { |
133 |
120
| children = new HashSet();
|
134 |
120
| do
|
135 |
| { |
136 |
302
| String child = rs.getString(1);
|
137 |
302
| int slashInd = child.lastIndexOf('/');
|
138 |
302
| String name = child.substring(slashInd + 1);
|
139 |
| |
140 |
| |
141 |
302
| children.add(name);
|
142 |
| } |
143 |
302
| while (rs.next());
|
144 |
| } |
145 |
| } |
146 |
| catch (SQLException e) |
147 |
| { |
148 |
0
| reportAndRethrowError("Failed to get children names for fqn " + fqn, e);
|
149 |
| } |
150 |
| finally |
151 |
| { |
152 |
6203
| safeClose(rs);
|
153 |
6203
| safeClose(ps);
|
154 |
6203
| cf.close(con);
|
155 |
6203
| lock.releaseLock(fqn);
|
156 |
| } |
157 |
| |
158 |
6203
| return children == null ? null : Collections.unmodifiableSet(children);
|
159 |
| } |
160 |
| |
161 |
| |
162 |
| |
163 |
| |
164 |
| |
165 |
| |
166 |
| |
167 |
| |
168 |
47
| public void removeData(Fqn name) throws Exception
|
169 |
| { |
170 |
47
| updateNode(name, null);
|
171 |
| } |
172 |
| |
173 |
| |
174 |
| |
175 |
| |
176 |
| |
177 |
| |
178 |
| |
179 |
| |
180 |
| |
181 |
| |
182 |
19
| public void prepare(Object tx, List<Modification> modifications, boolean one_phase) throws Exception
|
183 |
| { |
184 |
| |
185 |
19
| cf.prepare(tx);
|
186 |
| |
187 |
19
| try
|
188 |
| { |
189 |
19
| put(modifications);
|
190 |
| |
191 |
| |
192 |
19
| if (one_phase)
|
193 |
| { |
194 |
4
| commit(tx);
|
195 |
| } |
196 |
| } |
197 |
| catch (Exception e) |
198 |
| { |
199 |
| |
200 |
0
| rollback(tx);
|
201 |
| |
202 |
0
| throw e;
|
203 |
| } |
204 |
| } |
205 |
| |
206 |
| |
207 |
| |
208 |
| |
209 |
| |
210 |
| |
211 |
| |
212 |
| |
213 |
14
| public void commit(Object tx) throws Exception
|
214 |
| { |
215 |
14
| cf.commit(tx);
|
216 |
| } |
217 |
| |
218 |
| |
219 |
| |
220 |
| |
221 |
| |
222 |
| |
223 |
5
| public void rollback(Object tx)
|
224 |
| { |
225 |
5
| cf.rollback(tx);
|
226 |
| } |
227 |
| |
228 |
| |
229 |
| |
230 |
241
| public void create() throws Exception
|
231 |
| { |
232 |
| } |
233 |
| |
234 |
253
| public void start() throws Exception
|
235 |
| { |
236 |
253
| cf.start();
|
237 |
| |
238 |
253
| Connection con = null;
|
239 |
253
| Statement st = null;
|
240 |
| |
241 |
253
| try
|
242 |
| { |
243 |
253
| con = cf.getConnection();
|
244 |
253
| driverName = getDriverName(con);
|
245 |
253
| if (config.getCreateTable())
|
246 |
| { |
247 |
253
| if (!tableExists(config.getTable(), con))
|
248 |
| { |
249 |
247
| if (getLogger().isDebugEnabled())
|
250 |
| { |
251 |
0
| getLogger().debug("executing ddl: " + config.getCreateTableDDL());
|
252 |
| } |
253 |
247
| st = con.createStatement();
|
254 |
247
| st.executeUpdate(config.getCreateTableDDL());
|
255 |
| } |
256 |
| } |
257 |
| } |
258 |
| finally |
259 |
| { |
260 |
253
| safeClose(st);
|
261 |
253
| cf.close(con);
|
262 |
| } |
263 |
| } |
264 |
| |
265 |
253
| public void stop()
|
266 |
| { |
267 |
253
| if (config.getDropTable())
|
268 |
| { |
269 |
253
| Connection con = null;
|
270 |
253
| Statement st = null;
|
271 |
253
| try
|
272 |
| { |
273 |
253
| if (getLogger().isDebugEnabled())
|
274 |
| { |
275 |
0
| getLogger().debug("executing ddl: " + config.getDropTableDDL());
|
276 |
| } |
277 |
| |
278 |
253
| con = cf.getConnection();
|
279 |
253
| st = con.createStatement();
|
280 |
253
| st.executeUpdate(config.getDropTableDDL());
|
281 |
247
| safeClose(st);
|
282 |
| } |
283 |
| catch (SQLException e) |
284 |
| { |
285 |
6
| getLogger().error("Failed to drop table: " + e.getMessage(), e);
|
286 |
| } |
287 |
| finally |
288 |
| { |
289 |
253
| safeClose(st);
|
290 |
253
| cf.close(con);
|
291 |
253
| cf.stop();
|
292 |
| } |
293 |
| } |
294 |
| } |
295 |
| |
296 |
241
| public void destroy()
|
297 |
| { |
298 |
| } |
299 |
| |
300 |
| |
301 |
| |
302 |
| |
303 |
| |
304 |
| |
305 |
| |
306 |
| |
307 |
| |
308 |
5825
| public boolean exists(Fqn name) throws Exception
|
309 |
| { |
310 |
5825
| lock.acquireLock(name, false);
|
311 |
5825
| try
|
312 |
| { |
313 |
5825
| final Map node = loadNode(name);
|
314 |
5825
| return node != null;
|
315 |
| } |
316 |
| finally |
317 |
| { |
318 |
5825
| lock.releaseLock(name);
|
319 |
| } |
320 |
| } |
321 |
| |
322 |
| |
323 |
| |
324 |
| |
325 |
| |
326 |
| |
327 |
| |
328 |
| |
329 |
| |
330 |
6098
| public Object remove(Fqn name, Object key) throws Exception
|
331 |
| { |
332 |
6098
| lock.acquireLock(name, true);
|
333 |
6098
| try
|
334 |
| { |
335 |
6098
| Object removedValue = null;
|
336 |
6098
| Map node = loadNode(name);
|
337 |
6098
| if (node != null && node != NULL_NODE_IN_ROW)
|
338 |
| { |
339 |
2899
| removedValue = node.remove(key);
|
340 |
2899
| if (node.isEmpty())
|
341 |
| { |
342 |
2817
| updateNode(name, null);
|
343 |
| } |
344 |
| else |
345 |
| { |
346 |
82
| updateNode(name, node);
|
347 |
| } |
348 |
| } |
349 |
6098
| return removedValue;
|
350 |
| } |
351 |
| finally |
352 |
| { |
353 |
6098
| lock.releaseLock(name);
|
354 |
| } |
355 |
| } |
356 |
| |
357 |
| |
358 |
| |
359 |
| |
360 |
| |
361 |
| |
362 |
| |
363 |
| |
364 |
| |
365 |
| |
366 |
32159
| protected Map loadNode(Fqn name)
|
367 |
| { |
368 |
32159
| boolean rowExists = false;
|
369 |
32159
| Map oldNode = null;
|
370 |
32159
| Connection con = null;
|
371 |
32159
| PreparedStatement ps = null;
|
372 |
32159
| ResultSet rs = null;
|
373 |
32159
| try
|
374 |
| { |
375 |
32159
| if (getLogger().isDebugEnabled())
|
376 |
| { |
377 |
0
| getLogger().debug("executing sql: " + config.getSelectNodeSql() + " (" + name + ")");
|
378 |
| } |
379 |
| |
380 |
32159
| con = cf.getConnection();
|
381 |
32159
| ps = con.prepareStatement(config.getSelectNodeSql());
|
382 |
32159
| ps.setString(1, name.toString());
|
383 |
| |
384 |
32159
| rs = ps.executeQuery();
|
385 |
| |
386 |
32159
| if (rs.next())
|
387 |
| { |
388 |
20330
| rowExists = true;
|
389 |
20330
| InputStream is = rs.getBinaryStream(1);
|
390 |
20330
| if (is != null && !rs.wasNull())
|
391 |
| { |
392 |
15665
| try
|
393 |
| { |
394 |
| |
395 |
| |
396 |
| |
397 |
| |
398 |
| |
399 |
15665
| Object marshalledNode = unmarshall(is);
|
400 |
15665
| oldNode = (Map) marshalledNode;
|
401 |
| } |
402 |
| catch (Exception e) |
403 |
| { |
404 |
0
| throw new Exception("Unable to load to deserialize result: ", e);
|
405 |
| } |
406 |
| finally |
407 |
| { |
408 |
15665
| safeClose(is);
|
409 |
| } |
410 |
| } |
411 |
| } |
412 |
| } |
413 |
| catch (Exception e) |
414 |
| { |
415 |
0
| reportAndRethrowError("Failed to load node for fqn " + name, e);
|
416 |
| } |
417 |
| finally |
418 |
| { |
419 |
32159
| safeClose(rs);
|
420 |
32159
| safeClose(ps);
|
421 |
32159
| cf.close(con);
|
422 |
| } |
423 |
| |
424 |
32159
| return oldNode == null ? (rowExists ? NULL_NODE_IN_ROW : null) : oldNode;
|
425 |
| } |
426 |
| |
427 |
| |
428 |
| |
429 |
| |
430 |
| |
431 |
| |
432 |
| |
433 |
| |
434 |
5300
| protected void insertNode(Fqn name, Map node)
|
435 |
| { |
436 |
5300
| Connection con = null;
|
437 |
5300
| PreparedStatement ps = null;
|
438 |
5300
| try
|
439 |
| { |
440 |
5300
| if (getLogger().isDebugEnabled())
|
441 |
| { |
442 |
0
| getLogger().debug("executing sql: " + config.getInsertNodeSql() + " (" + name + ")");
|
443 |
| } |
444 |
| |
445 |
5300
| con = cf.getConnection();
|
446 |
5300
| ps = con.prepareStatement(config.getInsertNodeSql());
|
447 |
| |
448 |
5300
| ps.setString(1, name.toString());
|
449 |
| |
450 |
5300
| if (node != null)
|
451 |
| { |
452 |
| |
453 |
| |
454 |
| |
455 |
| |
456 |
4537
| byte[] byteStream = marshall(node);
|
457 |
4537
| ByteArrayInputStream bais = new ByteArrayInputStream(byteStream);
|
458 |
4537
| ps.setBinaryStream(2, bais, byteStream.length);
|
459 |
| } |
460 |
| else |
461 |
| { |
462 |
| |
463 |
763
| if (driverName != null && (driverName.contains("SQLSERVER")
|
464 |
| || driverName.contains("POSTGRESQL"))) |
465 |
| { |
466 |
0
| ps.setNull(2, Types.LONGVARBINARY);
|
467 |
| } |
468 |
| else |
469 |
| { |
470 |
763
| ps.setNull(2, Types.BLOB);
|
471 |
| } |
472 |
| |
473 |
| } |
474 |
| |
475 |
5300
| if (name.size() == 0)
|
476 |
| { |
477 |
231
| ps.setNull(3, Types.VARCHAR);
|
478 |
| } |
479 |
| else |
480 |
| { |
481 |
5069
| ps.setString(3, name.getAncestor(name.size() - 1).toString());
|
482 |
| } |
483 |
| |
484 |
5300
| int rows = ps.executeUpdate();
|
485 |
5300
| if (rows != 1)
|
486 |
| { |
487 |
0
| throw new IllegalStateException("Expected one insert row but got " + rows);
|
488 |
| } |
489 |
| } |
490 |
| catch (RuntimeException e) |
491 |
| { |
492 |
0
| throw e;
|
493 |
| } |
494 |
| catch (Exception e) |
495 |
| { |
496 |
0
| getLogger().error("Failed to insert node :" + e.getMessage());
|
497 |
0
| throw new IllegalStateException("Failed to insert node: " + e.getMessage(), e);
|
498 |
| } |
499 |
| finally |
500 |
| { |
501 |
5300
| safeClose(ps);
|
502 |
5300
| cf.close(con);
|
503 |
| } |
504 |
| } |
505 |
| |
506 |
| |
507 |
| |
508 |
| |
509 |
| |
510 |
| |
511 |
| |
512 |
| |
513 |
11137
| protected void updateNode(Fqn name, Map node)
|
514 |
| { |
515 |
11137
| Connection con = null;
|
516 |
11137
| PreparedStatement ps = null;
|
517 |
11137
| try
|
518 |
| { |
519 |
11137
| if (getLogger().isDebugEnabled())
|
520 |
| { |
521 |
0
| getLogger().debug("executing sql: " + config.getUpdateNodeSql());
|
522 |
| } |
523 |
| |
524 |
11137
| con = cf.getConnection();
|
525 |
11137
| ps = con.prepareStatement(config.getUpdateNodeSql());
|
526 |
| |
527 |
11137
| if (node == null)
|
528 |
| { |
529 |
| |
530 |
| |
531 |
| |
532 |
2868
| node = new HashMap(0);
|
533 |
| } |
534 |
| |
535 |
| |
536 |
| |
537 |
| |
538 |
| |
539 |
11137
| byte[] byteStream = marshall(node);
|
540 |
11137
| ByteArrayInputStream bais = new ByteArrayInputStream(byteStream);
|
541 |
11137
| ps.setBinaryStream(1, bais, byteStream.length);
|
542 |
| |
543 |
11137
| ps.setString(2, name.toString());
|
544 |
| |
545 |
11137
| int rows = ps.executeUpdate();
|
546 |
| |
547 |
| |
548 |
| |
549 |
| |
550 |
| } |
551 |
| catch (Exception e) |
552 |
| { |
553 |
0
| reportAndRethrowError("Failed to update node for fqn " + name, e);
|
554 |
| } |
555 |
| finally |
556 |
| { |
557 |
11137
| safeClose(ps);
|
558 |
11137
| cf.close(con);
|
559 |
| } |
560 |
| } |
561 |
| |
562 |
253
| protected String getDriverName(Connection con)
|
563 |
| { |
564 |
0
| if (con == null) return null;
|
565 |
253
| try
|
566 |
| { |
567 |
253
| DatabaseMetaData dmd = con.getMetaData();
|
568 |
253
| return toUpperCase(dmd.getDriverName());
|
569 |
| } |
570 |
| catch (SQLException e) |
571 |
| { |
572 |
| |
573 |
| |
574 |
0
| throw new IllegalStateException("Error while getting the driver name", e);
|
575 |
| } |
576 |
| } |
577 |
| |
578 |
792
| static String getRequiredProperty(Properties props, String name)
|
579 |
| { |
580 |
792
| String value = props.getProperty(name);
|
581 |
792
| if (value == null)
|
582 |
| { |
583 |
0
| throw new IllegalStateException("Missing required property: " + name);
|
584 |
| } |
585 |
792
| return value;
|
586 |
| } |
587 |
| |
588 |
253
| protected boolean tableExists(String tableName, Connection con)
|
589 |
| { |
590 |
253
| ResultSet rs = null;
|
591 |
253
| try
|
592 |
| { |
593 |
| |
594 |
| |
595 |
253
| DatabaseMetaData dmd = con.getMetaData();
|
596 |
253
| String catalog = con.getCatalog();
|
597 |
253
| String schema = null;
|
598 |
253
| String quote = dmd.getIdentifierQuoteString();
|
599 |
253
| if (tableName.startsWith(quote))
|
600 |
| { |
601 |
0
| if (!tableName.endsWith(quote))
|
602 |
| { |
603 |
0
| throw new IllegalStateException("Mismatched quote in table name: " + tableName);
|
604 |
| } |
605 |
0
| int quoteLength = quote.length();
|
606 |
0
| tableName = tableName.substring(quoteLength, tableName.length() - quoteLength);
|
607 |
0
| if (dmd.storesLowerCaseQuotedIdentifiers())
|
608 |
| { |
609 |
0
| tableName = toLowerCase(tableName);
|
610 |
| } |
611 |
0
| else if (dmd.storesUpperCaseQuotedIdentifiers())
|
612 |
| { |
613 |
0
| tableName = toUpperCase(tableName);
|
614 |
| } |
615 |
| } |
616 |
| else |
617 |
| { |
618 |
253
| if (dmd.storesLowerCaseIdentifiers())
|
619 |
| { |
620 |
0
| tableName = toLowerCase(tableName);
|
621 |
| } |
622 |
253
| else if (dmd.storesUpperCaseIdentifiers())
|
623 |
| { |
624 |
253
| tableName = toUpperCase(tableName);
|
625 |
| } |
626 |
| } |
627 |
| |
628 |
253
| int dotIndex;
|
629 |
?
| if ((dotIndex = tableName.indexOf('.')) != -1)
|
630 |
| { |
631 |
| |
632 |
0
| schema = tableName.substring(0, dotIndex);
|
633 |
0
| tableName = tableName.substring(dotIndex + 1);
|
634 |
| } |
635 |
| |
636 |
253
| rs = dmd.getTables(catalog, schema, tableName, null);
|
637 |
253
| return rs.next();
|
638 |
| } |
639 |
| catch (SQLException e) |
640 |
| { |
641 |
| |
642 |
| |
643 |
0
| throw new IllegalStateException("Error while checking if table aleady exists " + tableName, e);
|
644 |
| } |
645 |
| finally |
646 |
| { |
647 |
253
| safeClose(rs);
|
648 |
| } |
649 |
| } |
650 |
| |
651 |
| |
652 |
| protected abstract Log getLogger(); |
653 |
| |
654 |
| protected abstract AdjListJDBCCacheLoaderConfig processConfig(CacheLoaderConfig.IndividualCacheLoaderConfig base); |
655 |
| |
656 |
0
| protected void reportAndRethrowError(String message, Exception cause) throws IllegalStateException
|
657 |
| { |
658 |
0
| getLogger().error(message, cause);
|
659 |
0
| throw new IllegalStateException(message, cause);
|
660 |
| } |
661 |
| |
662 |
15665
| protected void safeClose(InputStream is)
|
663 |
| { |
664 |
15665
| if (is != null)
|
665 |
| { |
666 |
15665
| try
|
667 |
| { |
668 |
15665
| is.close();
|
669 |
| } |
670 |
| catch (IOException e) |
671 |
| { |
672 |
0
| getLogger().warn("Failed to close input stream: " + e.getMessage());
|
673 |
| } |
674 |
| } |
675 |
| } |
676 |
| |
677 |
62462
| protected void safeClose(Statement st)
|
678 |
| { |
679 |
62462
| if (st != null)
|
680 |
| { |
681 |
62456
| try
|
682 |
| { |
683 |
62456
| st.close();
|
684 |
| } |
685 |
| catch (SQLException e) |
686 |
| { |
687 |
0
| getLogger().warn("Failed to close statement: " + e.getMessage());
|
688 |
| } |
689 |
| } |
690 |
| } |
691 |
| |
692 |
38877
| protected void safeClose(ResultSet rs)
|
693 |
| { |
694 |
38877
| if (rs != null)
|
695 |
| { |
696 |
38877
| try
|
697 |
| { |
698 |
38877
| rs.close();
|
699 |
| } |
700 |
| catch (SQLException e) |
701 |
| { |
702 |
0
| getLogger().warn("Failed to close result set: " + e.getMessage());
|
703 |
| } |
704 |
| } |
705 |
| } |
706 |
| |
707 |
15683
| protected Object unmarshall(InputStream from) throws Exception
|
708 |
| { |
709 |
15683
| return getMarshaller().objectFromStream(from);
|
710 |
| } |
711 |
| |
712 |
15663
| protected byte[] marshall(Object obj) throws Exception
|
713 |
| { |
714 |
15663
| return getMarshaller().objectToByteBuffer(obj);
|
715 |
| } |
716 |
| |
717 |
506
| private static String toUpperCase(String s)
|
718 |
| { |
719 |
506
| return s.toUpperCase(Locale.ENGLISH);
|
720 |
| } |
721 |
| |
722 |
0
| private static String toLowerCase(String s)
|
723 |
| { |
724 |
0
| return s.toLowerCase((Locale.ENGLISH));
|
725 |
| } |
726 |
| |
727 |
| |
728 |
| |
729 |
| protected static final Map NULL_NODE_IN_ROW = new Map() |
730 |
| { |
731 |
0
| public int size()
|
732 |
| { |
733 |
0
| throw new UnsupportedOperationException();
|
734 |
| } |
735 |
| |
736 |
0
| public void clear()
|
737 |
| { |
738 |
0
| throw new UnsupportedOperationException();
|
739 |
| } |
740 |
| |
741 |
0
| public boolean isEmpty()
|
742 |
| { |
743 |
0
| throw new UnsupportedOperationException();
|
744 |
| } |
745 |
| |
746 |
0
| public boolean containsKey(Object key)
|
747 |
| { |
748 |
0
| throw new UnsupportedOperationException();
|
749 |
| } |
750 |
| |
751 |
0
| public boolean containsValue(Object value)
|
752 |
| { |
753 |
0
| throw new UnsupportedOperationException();
|
754 |
| } |
755 |
| |
756 |
0
| public Collection values()
|
757 |
| { |
758 |
0
| throw new UnsupportedOperationException();
|
759 |
| } |
760 |
| |
761 |
0
| public void putAll(Map t)
|
762 |
| { |
763 |
0
| throw new UnsupportedOperationException();
|
764 |
| } |
765 |
| |
766 |
0
| public Set entrySet()
|
767 |
| { |
768 |
0
| throw new UnsupportedOperationException();
|
769 |
| } |
770 |
| |
771 |
0
| public Set keySet()
|
772 |
| { |
773 |
0
| throw new UnsupportedOperationException();
|
774 |
| } |
775 |
| |
776 |
0
| public Object get(Object key)
|
777 |
| { |
778 |
0
| throw new UnsupportedOperationException();
|
779 |
| } |
780 |
| |
781 |
0
| public Object remove(Object key)
|
782 |
| { |
783 |
0
| throw new UnsupportedOperationException();
|
784 |
| } |
785 |
| |
786 |
0
| public Object put(Object key, Object value)
|
787 |
| { |
788 |
0
| throw new UnsupportedOperationException();
|
789 |
| } |
790 |
| }; |
791 |
| |
792 |
| } |