Source Code Cross Referenced for TestTransactionalLobs.java in  » Database-DBMS » axion » org » axiondb » functional » Java Source Code / Java DocumentationJava Source Code and Java Documentation

Java Source Code / Java Documentation
1. 6.0 JDK Core
2. 6.0 JDK Modules
3. 6.0 JDK Modules com.sun
4. 6.0 JDK Modules com.sun.java
5. 6.0 JDK Modules sun
6. 6.0 JDK Platform
7. Ajax
8. Apache Harmony Java SE
9. Aspect oriented
10. Authentication Authorization
11. Blogger System
12. Build
13. Byte Code
14. Cache
15. Chart
16. Chat
17. Code Analyzer
18. Collaboration
19. Content Management System
20. Database Client
21. Database DBMS
22. Database JDBC Connection Pool
23. Database ORM
24. Development
25. EJB Server geronimo
26. EJB Server GlassFish
27. EJB Server JBoss 4.2.1
28. EJB Server resin 3.1.5
29. ERP CRM Financial
30. ESB
31. Forum
32. GIS
33. Graphic Library
34. Groupware
35. HTML Parser
36. IDE
37. IDE Eclipse
38. IDE Netbeans
39. Installer
40. Internationalization Localization
41. Inversion of Control
42. Issue Tracking
43. J2EE
44. JBoss
45. JMS
46. JMX
47. Library
48. Mail Clients
49. Net
50. Parser
51. PDF
52. Portal
53. Profiler
54. Project Management
55. Report
56. RSS RDF
57. Rule Engine
58. Science
59. Scripting
60. Search Engine
61. Security
62. Sevlet Container
63. Source Control
64. Swing Library
65. Template Engine
66. Test Coverage
67. Testing
68. UML
69. Web Crawler
70. Web Framework
71. Web Mail
72. Web Server
73. Web Services
74. Web Services apache cxf 2.0.1
75. Web Services AXIS2
76. Wiki Engine
77. Workflow Engines
78. XML
79. XML UI
Java
Java Tutorial
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Java Source Code / Java Documentation » Database DBMS » axion » org.axiondb.functional 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * $Id: TestTransactionalLobs.java,v 1.4 2003/11/07 08:11:12 jstrachan Exp $
003:         * =======================================================================
004:         * Copyright (c) 2003 Axion Development Team.  All rights reserved.
005:         *
006:         * Redistribution and use in source and binary forms, with or without
007:         * modification, are permitted provided that the following conditions
008:         * are met:
009:         *
010:         * 1. Redistributions of source code must retain the above
011:         *    copyright notice, this list of conditions and the following
012:         *    disclaimer.
013:         *
014:         * 2. Redistributions in binary form must reproduce the above copyright
015:         *    notice, this list of conditions and the following disclaimer in
016:         *    the documentation and/or other materials provided with the
017:         *    distribution.
018:         *
019:         * 3. The names "Tigris", "Axion", nor the names of its contributors may
020:         *    not be used to endorse or promote products derived from this
021:         *    software without specific prior written permission.
022:         *
023:         * 4. Products derived from this software may not be called "Axion", nor
024:         *    may "Tigris" or "Axion" appear in their names without specific prior
025:         *    written permission.
026:         *
027:         * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
028:         * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
029:         * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
030:         * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
031:         * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
032:         * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
033:         * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
034:         * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
035:         * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
036:         * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
037:         * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
038:         * =======================================================================
039:         */
040:
041:        package org.axiondb.functional;
042:
043:        import java.io.ByteArrayOutputStream;
044:        import java.io.InputStream;
045:        import java.sql.Blob;
046:        import java.sql.Connection;
047:        import java.sql.DriverManager;
048:        import java.sql.PreparedStatement;
049:        import java.sql.ResultSet;
050:        import java.sql.Statement;
051:
052:        import junit.framework.Test;
053:        import junit.framework.TestSuite;
054:
055:        import org.axiondb.types.ByteArrayBlob;
056:
057:        /**
058:         * @version $Revision: 1.4 $ $Date: 2003/11/07 08:11:12 $
059:         * @author Rodney Waldhoff
060:         */
061:        public class TestTransactionalLobs extends AbstractFunctionalTest {
062:
063:            //------------------------------------------------------------ Conventional
064:
065:            public TestTransactionalLobs(String testName) {
066:                super (testName);
067:            }
068:
069:            public static Test suite() {
070:                return new TestSuite(TestTransactionalLobs.class);
071:            }
072:
073:            //--------------------------------------------------------------- Lifecycle
074:
075:            public void setUp() throws Exception {
076:                super .setUp();
077:            }
078:
079:            public void tearDown() throws Exception {
080:                super .tearDown();
081:            }
082:
083:            //------------------------------------------------------------------- Tests
084:
085:            public void testSimpleClobInsert() throws Exception {
086:                String body = "This is a simple test.";
087:                createClobTable(_conn);
088:
089:                Connection conn = DriverManager
090:                        .getConnection(getConnectString());
091:                conn.setAutoCommit(false);
092:
093:                assertEquals(0, selectClobCount(conn));
094:                insertClob(conn, 0, body);
095:                assertEquals(1, selectClobCount(conn));
096:                assertEquals(body, selectClob(conn, 0));
097:                conn.commit();
098:                assertEquals(1, selectClobCount(conn));
099:                assertEquals(body, selectClob(conn, 0));
100:
101:                conn.close();
102:            }
103:
104:            public void testSimpleBlobInsert() throws Exception {
105:                String body = "This is a simple test.";
106:                createBlobTable(_conn);
107:
108:                Connection conn = DriverManager
109:                        .getConnection(getConnectString());
110:                conn.setAutoCommit(false);
111:
112:                assertEquals(0, selectBlobCount(conn));
113:                insertBlob(conn, 0, body.getBytes());
114:                assertEquals(1, selectBlobCount(conn));
115:                assertEquals(body, new String(selectBlob(conn, 0)));
116:                conn.commit();
117:                assertEquals(1, selectBlobCount(conn));
118:                assertEquals(body, new String(selectBlob(conn, 0)));
119:
120:                conn.close();
121:            }
122:
123:            public void testClobInsertRollback() throws Exception {
124:                String body = "This is a simple test.";
125:                createClobTable(_conn);
126:
127:                Connection conn = DriverManager
128:                        .getConnection(getConnectString());
129:                conn.setAutoCommit(false);
130:
131:                assertEquals(0, selectClobCount(conn));
132:                assertNull(selectClob(conn, 0));
133:
134:                insertClob(conn, 0, body);
135:
136:                assertEquals(1, selectClobCount(conn));
137:                assertEquals(body, selectClob(conn, 0));
138:
139:                conn.rollback();
140:
141:                assertEquals(0, selectClobCount(conn));
142:                assertNull(selectClob(conn, 0));
143:
144:                conn.close();
145:            }
146:
147:            public void testBlobInsertRollback() throws Exception {
148:                String body = "This is a simple test.";
149:                createBlobTable(_conn);
150:
151:                Connection conn = DriverManager
152:                        .getConnection(getConnectString());
153:                conn.setAutoCommit(false);
154:
155:                assertEquals(0, selectBlobCount(conn));
156:                assertNull(selectBlob(conn, 0));
157:
158:                insertBlob(conn, 0, body.getBytes());
159:
160:                assertEquals(1, selectBlobCount(conn));
161:                assertEquals(body, new String(selectBlob(conn, 0)));
162:
163:                conn.rollback();
164:
165:                assertEquals(0, selectBlobCount(conn));
166:                assertNull(selectBlob(conn, 0));
167:
168:                conn.close();
169:            }
170:
171:            public void testClobInsertIsolation() throws Exception {
172:                String body = "This is a simple test.";
173:                createClobTable(_conn);
174:
175:                Connection conn = DriverManager
176:                        .getConnection(getConnectString());
177:                conn.setAutoCommit(false);
178:
179:                Connection conn2 = DriverManager
180:                        .getConnection(getConnectString());
181:                conn2.setAutoCommit(false);
182:
183:                assertEquals(0, selectClobCount(conn));
184:                assertNull(selectClob(conn, 0));
185:
186:                assertEquals(0, selectClobCount(conn2));
187:                assertNull(selectClob(conn2, 0));
188:
189:                insertClob(conn, 0, body);
190:
191:                assertEquals(1, selectClobCount(conn));
192:                assertEquals(body, selectClob(conn, 0));
193:
194:                assertEquals(0, selectClobCount(conn2));
195:                assertNull(selectClob(conn2, 0));
196:
197:                conn2.commit();
198:
199:                assertEquals(1, selectClobCount(conn));
200:                assertEquals(body, selectClob(conn, 0));
201:
202:                assertEquals(0, selectClobCount(conn2));
203:                assertNull(selectClob(conn2, 0));
204:
205:                conn.commit();
206:
207:                assertEquals(1, selectClobCount(conn));
208:                assertEquals(body, selectClob(conn, 0));
209:
210:                assertEquals(0, selectClobCount(conn2));
211:                assertNull(selectClob(conn2, 0));
212:
213:                conn.close();
214:
215:                assertEquals(0, selectClobCount(conn2));
216:                assertNull(selectClob(conn2, 0));
217:
218:                conn2.commit();
219:
220:                assertEquals(1, selectClobCount(conn2));
221:                assertEquals(body, selectClob(conn2, 0));
222:
223:                conn2.close();
224:            }
225:
226:            public void testClobUpdateIsolation() throws Exception {
227:                String inserted = "This is a simple test.";
228:                createClobTable(_conn);
229:                insertClob(_conn, 0, inserted);
230:                assertEquals(1, selectClobCount(_conn));
231:                assertEquals(inserted, selectClob(_conn, 0));
232:
233:                assertEquals(1, selectClobCount(_conn));
234:                assertEquals(inserted, selectClob(_conn, 0));
235:
236:                Connection conn = DriverManager
237:                        .getConnection(getConnectString());
238:                conn.setAutoCommit(false);
239:
240:                Connection conn2 = DriverManager
241:                        .getConnection(getConnectString());
242:                conn2.setAutoCommit(false);
243:
244:                assertEquals(1, selectClobCount(conn));
245:                assertEquals(inserted, selectClob(conn, 0));
246:
247:                assertEquals(1, selectClobCount(conn2));
248:                assertEquals(inserted, selectClob(conn2, 0));
249:
250:                String updated = "This is the updated contents.";
251:
252:                updateClob(conn, 0, updated);
253:
254:                assertEquals(1, selectClobCount(conn));
255:                assertEquals(updated, selectClob(conn, 0));
256:
257:                assertEquals(1, selectClobCount(conn2));
258:                assertEquals(inserted, selectClob(conn2, 0));
259:
260:                conn2.commit();
261:
262:                assertEquals(1, selectClobCount(conn));
263:                assertEquals(updated, selectClob(conn, 0));
264:
265:                assertEquals(1, selectClobCount(conn2));
266:                assertEquals(inserted, selectClob(conn2, 0));
267:
268:                conn.commit();
269:
270:                assertEquals(1, selectClobCount(conn));
271:                assertEquals(updated, selectClob(conn, 0));
272:
273:                assertEquals(1, selectClobCount(conn2));
274:                assertEquals(inserted, selectClob(conn2, 0));
275:
276:                conn.close();
277:
278:                assertEquals(1, selectClobCount(conn2));
279:                assertEquals(inserted, selectClob(conn2, 0));
280:
281:                conn2.commit();
282:
283:                assertEquals(1, selectClobCount(conn2));
284:                assertEquals(updated, selectClob(conn2, 0));
285:
286:                conn2.close();
287:            }
288:
289:            public void testClobDeleteIsolation() throws Exception {
290:                String inserted = "This is a simple test.";
291:                createClobTable(_conn);
292:                insertClob(_conn, 0, inserted);
293:                assertEquals(1, selectClobCount(_conn));
294:                assertEquals(inserted, selectClob(_conn, 0));
295:
296:                assertEquals(1, selectClobCount(_conn));
297:                assertEquals(inserted, selectClob(_conn, 0));
298:
299:                Connection conn = DriverManager
300:                        .getConnection(getConnectString());
301:                conn.setAutoCommit(false);
302:
303:                Connection conn2 = DriverManager
304:                        .getConnection(getConnectString());
305:                conn2.setAutoCommit(false);
306:
307:                assertEquals(1, selectClobCount(conn));
308:                assertEquals(inserted, selectClob(conn, 0));
309:
310:                assertEquals(1, selectClobCount(conn2));
311:                assertEquals(inserted, selectClob(conn2, 0));
312:
313:                deleteClob(conn, 0);
314:
315:                assertEquals(0, selectClobCount(conn));
316:                assertNull(selectClob(conn, 0));
317:
318:                assertEquals(1, selectClobCount(conn2));
319:                assertEquals(inserted, selectClob(conn2, 0));
320:
321:                conn2.commit();
322:
323:                assertEquals(0, selectClobCount(conn));
324:                assertNull(selectClob(conn, 0));
325:
326:                assertEquals(1, selectClobCount(conn2));
327:                assertEquals(inserted, selectClob(conn2, 0));
328:
329:                conn.commit();
330:
331:                assertEquals(0, selectClobCount(conn));
332:                assertNull(selectClob(conn, 0));
333:
334:                assertEquals(1, selectClobCount(conn2));
335:                assertEquals(inserted, selectClob(conn2, 0));
336:
337:                conn.close();
338:
339:                assertEquals(1, selectClobCount(conn2));
340:                assertEquals(inserted, selectClob(conn2, 0));
341:
342:                conn2.commit();
343:
344:                assertEquals(0, selectClobCount(conn2));
345:                assertNull(selectClob(conn2, 0));
346:
347:                conn2.close();
348:            }
349:
350:            public void testBlobInsertIsolation() throws Exception {
351:                String body = "This is a simple test.";
352:                createBlobTable(_conn);
353:
354:                Connection conn = DriverManager
355:                        .getConnection(getConnectString());
356:                conn.setAutoCommit(false);
357:
358:                Connection conn2 = DriverManager
359:                        .getConnection(getConnectString());
360:                conn2.setAutoCommit(false);
361:
362:                assertEquals(0, selectBlobCount(conn));
363:                assertNull(selectBlob(conn, 0));
364:
365:                assertEquals(0, selectBlobCount(conn2));
366:                assertNull(selectBlob(conn2, 0));
367:
368:                insertBlob(conn, 0, body.getBytes());
369:
370:                assertEquals(1, selectBlobCount(conn));
371:                assertEquals(body, new String(selectBlob(conn, 0)));
372:
373:                assertEquals(0, selectBlobCount(conn2));
374:                assertNull(selectBlob(conn2, 0));
375:
376:                conn2.commit();
377:
378:                assertEquals(1, selectBlobCount(conn));
379:                assertEquals(body, new String(selectBlob(conn, 0)));
380:
381:                assertEquals(0, selectBlobCount(conn2));
382:                assertNull(selectBlob(conn2, 0));
383:
384:                conn.commit();
385:
386:                assertEquals(1, selectBlobCount(conn));
387:                assertEquals(body, new String(selectBlob(conn, 0)));
388:
389:                assertEquals(0, selectBlobCount(conn2));
390:                assertNull(selectBlob(conn2, 0));
391:
392:                conn.close();
393:
394:                assertEquals(0, selectBlobCount(conn2));
395:                assertNull(selectBlob(conn2, 0));
396:
397:                conn2.commit();
398:
399:                assertEquals(1, selectBlobCount(conn2));
400:                assertEquals(body, new String(selectBlob(conn2, 0)));
401:
402:                conn2.close();
403:            }
404:
405:            public void testBlobUpdateIsolation() throws Exception {
406:                String inserted = "This is a simple test.";
407:                createBlobTable(_conn);
408:                insertBlob(_conn, 0, inserted.getBytes());
409:                assertEquals(1, selectBlobCount(_conn));
410:                assertEquals(inserted, new String(selectBlob(_conn, 0)));
411:
412:                assertEquals(1, selectBlobCount(_conn));
413:                assertEquals(inserted, new String(selectBlob(_conn, 0)));
414:
415:                Connection conn = DriverManager
416:                        .getConnection(getConnectString());
417:                conn.setAutoCommit(false);
418:
419:                Connection conn2 = DriverManager
420:                        .getConnection(getConnectString());
421:                conn2.setAutoCommit(false);
422:
423:                assertEquals(1, selectBlobCount(conn));
424:                assertEquals(inserted, new String(selectBlob(conn, 0)));
425:
426:                assertEquals(1, selectBlobCount(conn2));
427:                assertEquals(inserted, new String(selectBlob(conn2, 0)));
428:
429:                String updated = "This is the updated contents.";
430:
431:                updateBlob(conn, 0, updated.getBytes());
432:
433:                assertEquals(1, selectBlobCount(conn));
434:                assertEquals(updated, new String(selectBlob(conn, 0)));
435:
436:                assertEquals(1, selectBlobCount(conn2));
437:                assertEquals(inserted, new String(selectBlob(conn2, 0)));
438:
439:                conn2.commit();
440:
441:                assertEquals(1, selectBlobCount(conn));
442:                assertEquals(updated, new String(selectBlob(conn, 0)));
443:
444:                assertEquals(1, selectBlobCount(conn2));
445:                assertEquals(inserted, new String(selectBlob(conn2, 0)));
446:
447:                conn.commit();
448:
449:                assertEquals(1, selectBlobCount(conn));
450:                assertEquals(updated, new String(selectBlob(conn, 0)));
451:
452:                assertEquals(1, selectBlobCount(conn2));
453:                assertEquals(inserted, new String(selectBlob(conn2, 0)));
454:
455:                conn.close();
456:
457:                assertEquals(1, selectBlobCount(conn2));
458:                assertEquals(inserted, new String(selectBlob(conn2, 0)));
459:
460:                conn2.commit();
461:
462:                assertEquals(1, selectBlobCount(conn2));
463:                assertEquals(updated, new String(selectBlob(conn2, 0)));
464:
465:                conn2.close();
466:            }
467:
468:            public void testBlobDeleteIsolation() throws Exception {
469:                String inserted = "This is a simple test.";
470:                createBlobTable(_conn);
471:                insertBlob(_conn, 0, inserted.getBytes());
472:                assertEquals(1, selectBlobCount(_conn));
473:                assertEquals(inserted, new String(selectBlob(_conn, 0)));
474:
475:                assertEquals(1, selectBlobCount(_conn));
476:                assertEquals(inserted, new String(selectBlob(_conn, 0)));
477:
478:                Connection conn = DriverManager
479:                        .getConnection(getConnectString());
480:                conn.setAutoCommit(false);
481:
482:                Connection conn2 = DriverManager
483:                        .getConnection(getConnectString());
484:                conn2.setAutoCommit(false);
485:
486:                assertEquals(1, selectBlobCount(conn));
487:                assertEquals(inserted, new String(selectBlob(conn, 0)));
488:
489:                assertEquals(1, selectBlobCount(conn2));
490:                assertEquals(inserted, new String(selectBlob(conn2, 0)));
491:
492:                deleteBlob(conn, 0);
493:
494:                assertEquals(0, selectBlobCount(conn));
495:                assertNull(selectBlob(conn, 0));
496:
497:                assertEquals(1, selectBlobCount(conn2));
498:                assertEquals(inserted, new String(selectBlob(conn2, 0)));
499:
500:                conn2.commit();
501:
502:                assertEquals(0, selectBlobCount(conn));
503:                assertNull(selectBlob(conn, 0));
504:
505:                assertEquals(1, selectBlobCount(conn2));
506:                assertEquals(inserted, new String(selectBlob(conn2, 0)));
507:
508:                conn.commit();
509:
510:                assertEquals(0, selectBlobCount(conn));
511:                assertNull(selectBlob(conn, 0));
512:
513:                assertEquals(1, selectBlobCount(conn2));
514:                assertEquals(inserted, new String(selectBlob(conn2, 0)));
515:
516:                conn.close();
517:
518:                assertEquals(1, selectBlobCount(conn2));
519:                assertEquals(inserted, new String(selectBlob(conn2, 0)));
520:
521:                conn2.commit();
522:
523:                assertEquals(0, selectBlobCount(conn2));
524:                assertNull(selectBlob(conn2, 0));
525:
526:                conn2.close();
527:            }
528:
529:            //------------------------------------------------------------------- Utils
530:
531:            private void createClobTable(Connection conn) throws Exception {
532:                Statement stmt = conn.createStatement();
533:                stmt
534:                        .execute("create table CLOB_TBL ( ID integer, BODY compressedclob )");
535:                stmt.close();
536:            }
537:
538:            private void createBlobTable(Connection conn) throws Exception {
539:                Statement stmt = conn.createStatement();
540:                stmt
541:                        .execute("create table BLOB_TBL ( ID integer, BODY compressedblob )");
542:                stmt.close();
543:            }
544:
545:            private void insertClob(Connection conn, int id, String body)
546:                    throws Exception {
547:                Statement stmt = conn.createStatement();
548:                assertEquals(1, stmt
549:                        .executeUpdate("insert into CLOB_TBL values ( " + id
550:                                + ", '" + body + "' )"));
551:                /*
552:                 // TODO: this style of clob writing doesn't work transactionally right now, but the inline style does
553:                 assertEquals(1,stmt.executeUpdate("insert into CLOB_TBL values ( " + id + ", 'newlob()' )"));
554:                 ResultSet rset = stmt.executeQuery("select BODY from CLOB_TBL where ID = " + id);
555:                 assertTrue(rset.next());
556:                 Clob clob = rset.getClob(1);
557:                 Writer out = clob.setCharacterStream(0);
558:                 out.write(body);
559:                 out.close();
560:                 rset.close();
561:                 */
562:                stmt.close();
563:            }
564:
565:            private void insertBlob(Connection conn, int id, byte[] body)
566:                    throws Exception {
567:                PreparedStatement stmt = conn
568:                        .prepareStatement("insert into BLOB_TBL values ( ?, ? )");
569:                stmt.setInt(1, id);
570:                stmt.setBlob(2, new ByteArrayBlob(body));
571:                assertEquals(1, stmt.executeUpdate());
572:                stmt.close();
573:            }
574:
575:            private void updateClob(Connection conn, int id, String body)
576:                    throws Exception {
577:                Statement stmt = conn.createStatement();
578:                assertEquals(1, stmt
579:                        .executeUpdate("update CLOB_TBL set BODY = '" + body
580:                                + "' where ID = " + id));
581:                /*        
582:                 // TODO: this style of clob writing doesn't work transactionally right now, but the inline style does
583:                 ResultSet rset = stmt.executeQuery("select BODY from CLOB_TBL where ID = " + id);
584:                 assertTrue(rset.next());
585:                 Clob clob = rset.getClob(1);
586:                 Writer out = clob.setCharacterStream(0);
587:                 out.write(body);
588:                 out.close();
589:                 rset.close();
590:                 */
591:                stmt.close();
592:            }
593:
594:            private void updateBlob(Connection conn, int id, byte[] body)
595:                    throws Exception {
596:                PreparedStatement stmt = conn
597:                        .prepareStatement("update BLOB_TBL set BODY = ? where ID = ?");
598:                stmt.setBlob(1, new ByteArrayBlob(body));
599:                stmt.setInt(2, id);
600:                assertEquals(1, stmt.executeUpdate());
601:                stmt.close();
602:            }
603:
604:            private void deleteClob(Connection conn, int id) throws Exception {
605:                Statement stmt = conn.createStatement();
606:                assertEquals(1, stmt
607:                        .executeUpdate("delete from CLOB_TBL where ID = " + id));
608:                stmt.close();
609:            }
610:
611:            private void deleteBlob(Connection conn, int id) throws Exception {
612:                Statement stmt = conn.createStatement();
613:                assertEquals(1, stmt
614:                        .executeUpdate("delete from BLOB_TBL where ID = " + id));
615:                stmt.close();
616:            }
617:
618:            private String selectClob(Connection conn, int id) throws Exception {
619:                Statement stmt = conn.createStatement();
620:                String result = null;
621:                ResultSet rset = stmt
622:                        .executeQuery("select BODY from CLOB_TBL where ID = "
623:                                + id);
624:                if (rset.next()) {
625:                    result = rset.getString(1);
626:                }
627:                rset.close();
628:                stmt.close();
629:                return result;
630:            }
631:
632:            private byte[] selectBlob(Connection conn, int id) throws Exception {
633:                Statement stmt = conn.createStatement();
634:                byte[] result = null;
635:                ResultSet rset = stmt
636:                        .executeQuery("select BODY from BLOB_TBL where ID = "
637:                                + id);
638:                if (rset.next()) {
639:                    ByteArrayOutputStream read = new ByteArrayOutputStream();
640:                    Blob blob = rset.getBlob(1);
641:                    if (null != blob) {
642:                        InputStream in = blob.getBinaryStream();
643:                        for (int b = in.read(); b != -1; b = in.read()) {
644:                            read.write((byte) b);
645:                        }
646:                        in.close();
647:                        result = read.toByteArray();
648:                    }
649:                }
650:                rset.close();
651:                stmt.close();
652:                return result;
653:            }
654:
655:            private int selectClobCount(Connection conn) throws Exception {
656:                Statement stmt = conn.createStatement();
657:                int result = -1;
658:                ResultSet rset = stmt
659:                        .executeQuery("select count(*) from CLOB_TBL");
660:                assertTrue(rset.next());
661:                result = rset.getInt(1);
662:                rset.close();
663:                stmt.close();
664:                return result;
665:            }
666:
667:            private int selectBlobCount(Connection conn) throws Exception {
668:                Statement stmt = conn.createStatement();
669:                int result = -1;
670:                ResultSet rset = stmt
671:                        .executeQuery("select count(*) from BLOB_TBL");
672:                assertTrue(rset.next());
673:                result = rset.getInt(1);
674:                rset.close();
675:                stmt.close();
676:                return result;
677:            }
678:
679:        }
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.