Source Code Cross Referenced for PreparedStatementProxy.java in  » Database-JDBC-Connection-Pool » jTDS » net » sourceforge » jtds » jdbcx » proxy » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database JDBC Connection Pool » jTDS » net.sourceforge.jtds.jdbcx.proxy 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        // jTDS JDBC Driver for Microsoft SQL Server and Sybase
002:        // Copyright (C) 2004 The jTDS Project
003:        //
004:        // This library is free software; you can redistribute it and/or
005:        // modify it under the terms of the GNU Lesser General Public
006:        // License as published by the Free Software Foundation; either
007:        // version 2.1 of the License, or (at your option) any later version.
008:        //
009:        // This library is distributed in the hope that it will be useful,
010:        // but WITHOUT ANY WARRANTY; without even the implied warranty of
011:        // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
012:        // Lesser General Public License for more details.
013:        //
014:        // You should have received a copy of the GNU Lesser General Public
015:        // License along with this library; if not, write to the Free Software
016:        // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
017:        //
018:        package net.sourceforge.jtds.jdbcx.proxy;
019:
020:        import java.math.BigDecimal;
021:        import java.sql.*;
022:        import java.util.Calendar;
023:
024:        import net.sourceforge.jtds.jdbc.*;
025:
026:        /**
027:         * This class would be better implemented as a java.lang.reflect.Proxy.  However, this
028:         * feature was not added until 1.3 and reflection performance was not improved until 1.4.
029:         * Since the driver still needs to be compatible with 1.2 and 1.3 this class is used
030:         * to delegate the calls to a prepared statement with minimal overhead.
031:         *
032:         * @version $Id: PreparedStatementProxy.java,v 1.3 2004/08/24 17:45:08 bheineman Exp $
033:         */
034:        public class PreparedStatementProxy extends StatementProxy implements 
035:                PreparedStatement {
036:            private JtdsPreparedStatement _preparedStatement;
037:
038:            PreparedStatementProxy(ConnectionProxy connection,
039:                    JtdsPreparedStatement preparedStatement) {
040:                super (connection, preparedStatement);
041:
042:                _preparedStatement = preparedStatement;
043:            }
044:
045:            /**
046:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
047:             * prepared statement will cause an event to be fired on the connection
048:             * pool listeners.
049:             *
050:             * @throws SQLException if an error occurs
051:             */
052:            public ResultSet executeQuery() throws SQLException {
053:                validateConnection();
054:
055:                try {
056:                    return _preparedStatement.executeQuery();
057:                } catch (SQLException sqlException) {
058:                    processSQLException(sqlException);
059:                }
060:
061:                return null;
062:            }
063:
064:            /**
065:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
066:             * prepared statement will cause an event to be fired on the connection
067:             * pool listeners.
068:             *
069:             * @throws SQLException if an error occurs
070:             */
071:            public int executeUpdate() throws SQLException {
072:                validateConnection();
073:
074:                try {
075:                    return _preparedStatement.executeUpdate();
076:                } catch (SQLException sqlException) {
077:                    processSQLException(sqlException);
078:                }
079:
080:                return Integer.MIN_VALUE;
081:            }
082:
083:            /**
084:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
085:             * prepared statement will cause an event to be fired on the connection
086:             * pool listeners.
087:             *
088:             * @throws SQLException if an error occurs
089:             */
090:            public void setNull(int parameterIndex, int sqlType)
091:                    throws SQLException {
092:                validateConnection();
093:
094:                try {
095:                    _preparedStatement.setNull(parameterIndex, sqlType);
096:                } catch (SQLException sqlException) {
097:                    processSQLException(sqlException);
098:                }
099:            }
100:
101:            /**
102:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
103:             * prepared statement will cause an event to be fired on the connection
104:             * pool listeners.
105:             *
106:             * @throws SQLException if an error occurs
107:             */
108:            public void setBoolean(int parameterIndex, boolean x)
109:                    throws SQLException {
110:                validateConnection();
111:
112:                try {
113:                    _preparedStatement.setBoolean(parameterIndex, x);
114:                } catch (SQLException sqlException) {
115:                    processSQLException(sqlException);
116:                }
117:            }
118:
119:            /**
120:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
121:             * prepared statement will cause an event to be fired on the connection
122:             * pool listeners.
123:             *
124:             * @throws SQLException if an error occurs
125:             */
126:            public void setByte(int parameterIndex, byte x) throws SQLException {
127:                validateConnection();
128:
129:                try {
130:                    _preparedStatement.setByte(parameterIndex, x);
131:                } catch (SQLException sqlException) {
132:                    processSQLException(sqlException);
133:                }
134:            }
135:
136:            /**
137:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
138:             * prepared statement will cause an event to be fired on the connection
139:             * pool listeners.
140:             *
141:             * @throws SQLException if an error occurs
142:             */
143:            public void setShort(int parameterIndex, short x)
144:                    throws SQLException {
145:                validateConnection();
146:
147:                try {
148:                    _preparedStatement.setShort(parameterIndex, x);
149:                } catch (SQLException sqlException) {
150:                    processSQLException(sqlException);
151:                }
152:            }
153:
154:            /**
155:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
156:             * prepared statement will cause an event to be fired on the connection
157:             * pool listeners.
158:             *
159:             * @throws SQLException if an error occurs
160:             */
161:            public void setInt(int parameterIndex, int x) throws SQLException {
162:                validateConnection();
163:
164:                try {
165:                    _preparedStatement.setInt(parameterIndex, x);
166:                } catch (SQLException sqlException) {
167:                    processSQLException(sqlException);
168:                }
169:            }
170:
171:            /**
172:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
173:             * prepared statement will cause an event to be fired on the connection
174:             * pool listeners.
175:             *
176:             * @throws SQLException if an error occurs
177:             */
178:            public void setLong(int parameterIndex, long x) throws SQLException {
179:                validateConnection();
180:
181:                try {
182:                    _preparedStatement.setLong(parameterIndex, x);
183:                } catch (SQLException sqlException) {
184:                    processSQLException(sqlException);
185:                }
186:            }
187:
188:            /**
189:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
190:             * prepared statement will cause an event to be fired on the connection
191:             * pool listeners.
192:             *
193:             * @throws SQLException if an error occurs
194:             */
195:            public void setFloat(int parameterIndex, float x)
196:                    throws SQLException {
197:                validateConnection();
198:
199:                try {
200:                    _preparedStatement.setFloat(parameterIndex, x);
201:                } catch (SQLException sqlException) {
202:                    processSQLException(sqlException);
203:                }
204:            }
205:
206:            /**
207:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
208:             * prepared statement will cause an event to be fired on the connection
209:             * pool listeners.
210:             *
211:             * @throws SQLException if an error occurs
212:             */
213:            public void setDouble(int parameterIndex, double x)
214:                    throws SQLException {
215:                validateConnection();
216:
217:                try {
218:                    _preparedStatement.setDouble(parameterIndex, x);
219:                } catch (SQLException sqlException) {
220:                    processSQLException(sqlException);
221:                }
222:            }
223:
224:            /**
225:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
226:             * prepared statement will cause an event to be fired on the connection
227:             * pool listeners.
228:             *
229:             * @throws SQLException if an error occurs
230:             */
231:            public void setBigDecimal(int parameterIndex, BigDecimal x)
232:                    throws SQLException {
233:                validateConnection();
234:
235:                try {
236:                    _preparedStatement.setBigDecimal(parameterIndex, x);
237:                } catch (SQLException sqlException) {
238:                    processSQLException(sqlException);
239:                }
240:            }
241:
242:            /**
243:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
244:             * prepared statement will cause an event to be fired on the connection
245:             * pool listeners.
246:             *
247:             * @throws SQLException if an error occurs
248:             */
249:            public void setString(int parameterIndex, String x)
250:                    throws SQLException {
251:                validateConnection();
252:
253:                try {
254:                    _preparedStatement.setString(parameterIndex, x);
255:                } catch (SQLException sqlException) {
256:                    processSQLException(sqlException);
257:                }
258:            }
259:
260:            /**
261:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
262:             * prepared statement will cause an event to be fired on the connection
263:             * pool listeners.
264:             *
265:             * @throws SQLException if an error occurs
266:             */
267:            public void setBytes(int parameterIndex, byte[] x)
268:                    throws SQLException {
269:                validateConnection();
270:
271:                try {
272:                    _preparedStatement.setBytes(parameterIndex, x);
273:                } catch (SQLException sqlException) {
274:                    processSQLException(sqlException);
275:                }
276:            }
277:
278:            /**
279:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
280:             * prepared statement will cause an event to be fired on the connection
281:             * pool listeners.
282:             *
283:             * @throws SQLException if an error occurs
284:             */
285:            public void setDate(int parameterIndex, java.sql.Date x)
286:                    throws SQLException {
287:                validateConnection();
288:
289:                try {
290:                    _preparedStatement.setDate(parameterIndex, x);
291:                } catch (SQLException sqlException) {
292:                    processSQLException(sqlException);
293:                }
294:            }
295:
296:            /**
297:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
298:             * prepared statement will cause an event to be fired on the connection
299:             * pool listeners.
300:             *
301:             * @throws SQLException if an error occurs
302:             */
303:            public void setTime(int parameterIndex, java.sql.Time x)
304:                    throws SQLException {
305:                validateConnection();
306:
307:                try {
308:                    _preparedStatement.setTime(parameterIndex, x);
309:                } catch (SQLException sqlException) {
310:                    processSQLException(sqlException);
311:                }
312:            }
313:
314:            /**
315:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
316:             * prepared statement will cause an event to be fired on the connection
317:             * pool listeners.
318:             *
319:             * @throws SQLException if an error occurs
320:             */
321:            public void setTimestamp(int parameterIndex, java.sql.Timestamp x)
322:                    throws SQLException {
323:                validateConnection();
324:
325:                try {
326:                    _preparedStatement.setTimestamp(parameterIndex, x);
327:                } catch (SQLException sqlException) {
328:                    processSQLException(sqlException);
329:                }
330:            }
331:
332:            /**
333:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
334:             * prepared statement will cause an event to be fired on the connection
335:             * pool listeners.
336:             *
337:             * @throws SQLException if an error occurs
338:             */
339:            public void setAsciiStream(int parameterIndex,
340:                    java.io.InputStream x, int length) throws SQLException {
341:                validateConnection();
342:
343:                try {
344:                    _preparedStatement
345:                            .setAsciiStream(parameterIndex, x, length);
346:                } catch (SQLException sqlException) {
347:                    processSQLException(sqlException);
348:                }
349:            }
350:
351:            /**
352:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
353:             * prepared statement will cause an event to be fired on the connection
354:             * pool listeners.
355:             *
356:             * @throws SQLException if an error occurs
357:             */
358:            public void setUnicodeStream(int parameterIndex,
359:                    java.io.InputStream x, int length) throws SQLException {
360:                validateConnection();
361:
362:                try {
363:                    _preparedStatement.setUnicodeStream(parameterIndex, x,
364:                            length);
365:                } catch (SQLException sqlException) {
366:                    processSQLException(sqlException);
367:                }
368:            }
369:
370:            /**
371:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
372:             * prepared statement will cause an event to be fired on the connection
373:             * pool listeners.
374:             *
375:             * @throws SQLException if an error occurs
376:             */
377:            public void setBinaryStream(int parameterIndex,
378:                    java.io.InputStream x, int length) throws SQLException {
379:                validateConnection();
380:
381:                try {
382:                    _preparedStatement.setBinaryStream(parameterIndex, x,
383:                            length);
384:                } catch (SQLException sqlException) {
385:                    processSQLException(sqlException);
386:                }
387:            }
388:
389:            /**
390:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
391:             * prepared statement will cause an event to be fired on the connection
392:             * pool listeners.
393:             *
394:             * @throws SQLException if an error occurs
395:             */
396:            public void clearParameters() throws SQLException {
397:                validateConnection();
398:
399:                try {
400:                    _preparedStatement.clearParameters();
401:                } catch (SQLException sqlException) {
402:                    processSQLException(sqlException);
403:                }
404:            }
405:
406:            /**
407:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
408:             * prepared statement will cause an event to be fired on the connection
409:             * pool listeners.
410:             *
411:             * @throws SQLException if an error occurs
412:             */
413:            public void setObject(int parameterIndex, Object x,
414:                    int targetSqlType, int scale) throws SQLException {
415:                validateConnection();
416:
417:                try {
418:                    _preparedStatement.setObject(parameterIndex, x,
419:                            targetSqlType, scale);
420:                } catch (SQLException sqlException) {
421:                    processSQLException(sqlException);
422:                }
423:            }
424:
425:            /**
426:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
427:             * prepared statement will cause an event to be fired on the connection
428:             * pool listeners.
429:             *
430:             * @throws SQLException if an error occurs
431:             */
432:            public void setObject(int parameterIndex, Object x,
433:                    int targetSqlType) throws SQLException {
434:                validateConnection();
435:
436:                try {
437:                    _preparedStatement.setObject(parameterIndex, x,
438:                            targetSqlType);
439:                } catch (SQLException sqlException) {
440:                    processSQLException(sqlException);
441:                }
442:            }
443:
444:            /**
445:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
446:             * prepared statement will cause an event to be fired on the connection
447:             * pool listeners.
448:             *
449:             * @throws SQLException if an error occurs
450:             */
451:            public void setObject(int parameterIndex, Object x)
452:                    throws SQLException {
453:                validateConnection();
454:
455:                try {
456:                    _preparedStatement.setObject(parameterIndex, x);
457:                } catch (SQLException sqlException) {
458:                    processSQLException(sqlException);
459:                }
460:            }
461:
462:            /**
463:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
464:             * prepared statement will cause an event to be fired on the connection
465:             * pool listeners.
466:             *
467:             * @throws SQLException if an error occurs
468:             */
469:            public boolean execute() throws SQLException {
470:                validateConnection();
471:
472:                try {
473:                    return _preparedStatement.execute();
474:                } catch (SQLException sqlException) {
475:                    processSQLException(sqlException);
476:                }
477:
478:                return false;
479:            }
480:
481:            /**
482:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
483:             * prepared statement will cause an event to be fired on the connection
484:             * pool listeners.
485:             *
486:             * @throws SQLException if an error occurs
487:             */
488:            public void addBatch() throws SQLException {
489:                validateConnection();
490:
491:                try {
492:                    _preparedStatement.addBatch();
493:                } catch (SQLException sqlException) {
494:                    processSQLException(sqlException);
495:                }
496:            }
497:
498:            /**
499:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
500:             * prepared statement will cause an event to be fired on the connection
501:             * pool listeners.
502:             *
503:             * @throws SQLException if an error occurs
504:             */
505:            public void setCharacterStream(int parameterIndex,
506:                    java.io.Reader x, int length) throws SQLException {
507:                validateConnection();
508:
509:                try {
510:                    _preparedStatement.setCharacterStream(parameterIndex, x,
511:                            length);
512:                } catch (SQLException sqlException) {
513:                    processSQLException(sqlException);
514:                }
515:            }
516:
517:            /**
518:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
519:             * prepared statement will cause an event to be fired on the connection
520:             * pool listeners.
521:             *
522:             * @throws SQLException if an error occurs
523:             */
524:            public void setRef(int parameterIndex, Ref x) throws SQLException {
525:                validateConnection();
526:
527:                try {
528:                    _preparedStatement.setRef(parameterIndex, x);
529:                } catch (SQLException sqlException) {
530:                    processSQLException(sqlException);
531:                }
532:            }
533:
534:            /**
535:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
536:             * prepared statement will cause an event to be fired on the connection
537:             * pool listeners.
538:             *
539:             * @throws SQLException if an error occurs
540:             */
541:            public void setBlob(int parameterIndex, Blob x) throws SQLException {
542:                validateConnection();
543:
544:                try {
545:                    _preparedStatement.setBlob(parameterIndex, x);
546:                } catch (SQLException sqlException) {
547:                    processSQLException(sqlException);
548:                }
549:            }
550:
551:            /**
552:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
553:             * prepared statement will cause an event to be fired on the connection
554:             * pool listeners.
555:             *
556:             * @throws SQLException if an error occurs
557:             */
558:            public void setClob(int parameterIndex, Clob x) throws SQLException {
559:                validateConnection();
560:
561:                try {
562:                    _preparedStatement.setClob(parameterIndex, x);
563:                } catch (SQLException sqlException) {
564:                    processSQLException(sqlException);
565:                }
566:            }
567:
568:            /**
569:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
570:             * prepared statement will cause an event to be fired on the connection
571:             * pool listeners.
572:             *
573:             * @throws SQLException if an error occurs
574:             */
575:            public void setArray(int parameterIndex, Array x)
576:                    throws SQLException {
577:                validateConnection();
578:
579:                try {
580:                    _preparedStatement.setArray(parameterIndex, x);
581:                } catch (SQLException sqlException) {
582:                    processSQLException(sqlException);
583:                }
584:            }
585:
586:            /**
587:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
588:             * prepared statement will cause an event to be fired on the connection
589:             * pool listeners.
590:             *
591:             * @throws SQLException if an error occurs
592:             */
593:            public ResultSetMetaData getMetaData() throws SQLException {
594:                validateConnection();
595:
596:                try {
597:                    return _preparedStatement.getMetaData();
598:                } catch (SQLException sqlException) {
599:                    processSQLException(sqlException);
600:                }
601:
602:                return null;
603:            }
604:
605:            /**
606:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
607:             * prepared statement will cause an event to be fired on the connection
608:             * pool listeners.
609:             *
610:             * @throws SQLException if an error occurs
611:             */
612:            public void setDate(int parameterIndex, java.sql.Date x,
613:                    Calendar cal) throws SQLException {
614:                validateConnection();
615:
616:                try {
617:                    _preparedStatement.setDate(parameterIndex, x, cal);
618:                } catch (SQLException sqlException) {
619:                    processSQLException(sqlException);
620:                }
621:            }
622:
623:            /**
624:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
625:             * prepared statement will cause an event to be fired on the connection
626:             * pool listeners.
627:             *
628:             * @throws SQLException if an error occurs
629:             */
630:            public void setTime(int parameterIndex, java.sql.Time x,
631:                    Calendar cal) throws SQLException {
632:                validateConnection();
633:
634:                try {
635:                    _preparedStatement.setTime(parameterIndex, x, cal);
636:                } catch (SQLException sqlException) {
637:                    processSQLException(sqlException);
638:                }
639:            }
640:
641:            /**
642:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
643:             * prepared statement will cause an event to be fired on the connection
644:             * pool listeners.
645:             *
646:             * @throws SQLException if an error occurs
647:             */
648:            public void setTimestamp(int parameterIndex, java.sql.Timestamp x,
649:                    Calendar cal) throws SQLException {
650:                validateConnection();
651:
652:                try {
653:                    _preparedStatement.setTimestamp(parameterIndex, x, cal);
654:                } catch (SQLException sqlException) {
655:                    processSQLException(sqlException);
656:                }
657:            }
658:
659:            /**
660:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
661:             * prepared statement will cause an event to be fired on the connection
662:             * pool listeners.
663:             *
664:             * @throws SQLException if an error occurs
665:             */
666:            public void setNull(int parameterIndex, int sqlType, String typeName)
667:                    throws SQLException {
668:                validateConnection();
669:
670:                try {
671:                    _preparedStatement.setNull(parameterIndex, sqlType,
672:                            typeName);
673:                } catch (SQLException sqlException) {
674:                    processSQLException(sqlException);
675:                }
676:            }
677:
678:            /**
679:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
680:             * prepared statement will cause an event to be fired on the connection
681:             * pool listeners.
682:             *
683:             * @throws SQLException if an error occurs
684:             */
685:            public void setURL(int parameterIndex, java.net.URL x)
686:                    throws SQLException {
687:                validateConnection();
688:
689:                try {
690:                    _preparedStatement.setURL(parameterIndex, x);
691:                } catch (SQLException sqlException) {
692:                    processSQLException(sqlException);
693:                }
694:            }
695:
696:            /**
697:             * Delgates calls to the prepared statement; SQLExceptions thrown from the
698:             * prepared statement will cause an event to be fired on the connection
699:             * pool listeners.
700:             *
701:             * @throws SQLException if an error occurs
702:             */
703:            public ParameterMetaData getParameterMetaData() throws SQLException {
704:                validateConnection();
705:
706:                try {
707:                    return _preparedStatement.getParameterMetaData();
708:                } catch (SQLException sqlException) {
709:                    processSQLException(sqlException);
710:                }
711:
712:                return null;
713:            }
714:        }
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