Source Code Cross Referenced for ShutdownDatabase.java in  » Database-DBMS » db-derby-10.2 » org » apache » derbyTesting » functionTests » tests » lang » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database DBMS » db derby 10.2 » org.apache.derbyTesting.functionTests.tests.lang 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:
003:        Derby - Class org.apache.derbyTesting.functionTests.tests.lang.ShutdownDatabase
004:
005:        Licensed to the Apache Software Foundation (ASF) under one or more
006:        contributor license agreements.  See the NOTICE file distributed with
007:        this work for additional information regarding copyright ownership.
008:        The ASF licenses this file to You under the Apache License, Version 2.0
009:        (the "License"); you may not use this file except in compliance with
010:        the License.  You may obtain a copy of the License at
011:
012:        http://www.apache.org/licenses/LICENSE-2.0
013:
014:        Unless required by applicable law or agreed to in writing, software
015:        distributed under the License is distributed on an "AS IS" BASIS,
016:        WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
017:        See the License for the specific language governing permissions and
018:        limitations under the License.
019:
020:         */
021:
022:        package org.apache.derbyTesting.functionTests.tests.lang;
023:
024:        /**
025:         This test confirm 
026:         that no trouble happens when database , of which active connection exists with , was shut down.
027:
028:
029:         Tested combinations for transaction of connection to a database that is shutted down is as next :
030:
031:         With committed/rollbacked transatction :
032:         <ul>
033:         <li>
034:         <ul>
035:         <li> The only transaction was committed.
036:         <li> The transaction was committed, and next transaction was committed.
037:         <li> The transaction was rollbacked, and next transaction was commited.
038:         </ul>
039:         </li>
040:
041:         <li>
042:         <ul>
043:         <li> The only transaction was rollbacked.
044:         <li> The transaction was commited, and next transaction was rollbacked.
045:         <li> The transaction was rollbacked, and next transaction was rollbacked.
046:         </ul>
047:         </li>
048:         </ul>
049:
050:         With not yet committed/rollbacked transaction :
051:         <ul>
052:         <li>
053:         <ul>
054:         <li> The only transaction was not committed/rollbacked.
055:         <li> The transaction was committed, and next transaction was not committed/rollbacked yet.
056:         <li>  The transaction was rollbacked, and next transaction was not committed/rollbacked yet.
057:         </ul>
058:         </li>
059:         </ul>
060:        
061:         @author Tomohito Nakayama
062:         */
063:
064:        import java.sql.Connection;
065:        import java.sql.Statement;
066:        import java.sql.PreparedStatement;
067:        import java.sql.ResultSet;
068:
069:        import java.io.IOException;
070:        import java.sql.SQLException;
071:
072:        import org.apache.derby.iapi.reference.SQLState;
073:
074:        import org.apache.derbyTesting.functionTests.util.TestUtil;
075:
076:        import org.apache.derby.iapi.error.StandardException;
077:
078:        public class ShutdownDatabase {
079:
080:            public static void main(String[] args) {
081:                try {
082:                    //			util.getPropertyArg(args);
083:
084:                    testShutDownWithCommitedTransaction();
085:                    testShutDownWithRollbackedTransaction();
086:                    testShutDownWithLeftTransaction();
087:
088:                } catch (SQLException e) {
089:                    e.printStackTrace();
090:
091:                } catch (Throwable t) {
092:                    t.printStackTrace();
093:
094:                }
095:
096:            }
097:
098:            private static void testShutDownWithCommitedTransaction()
099:                    throws SQLException, ClassNotFoundException,
100:                    InstantiationException, IllegalAccessException {
101:
102:                testOnlyTransactionWasCommited();
103:                testTwiceCommited();
104:                testOnceRollbackedAndCommited();
105:
106:            }
107:
108:            private static void testShutDownWithRollbackedTransaction()
109:                    throws SQLException, ClassNotFoundException,
110:                    InstantiationException, IllegalAccessException {
111:
112:                testOnlyTransactionWasRollbacked();
113:                testOnceCommitedAndRollbacked();
114:                testTwiceRollbacked();
115:
116:            }
117:
118:            private static void testShutDownWithLeftTransaction()
119:                    throws SQLException, ClassNotFoundException,
120:                    InstantiationException, IllegalAccessException {
121:
122:                testOnlyTransactionWasLeft();
123:                testOnceCommitedAndLeft();
124:                testOnceRollbackedAndLeft();
125:
126:            }
127:
128:            private static void testOnlyTransactionWasCommited()
129:                    throws SQLException, ClassNotFoundException,
130:                    InstantiationException, IllegalAccessException {
131:
132:                final String dbname = "testOnlyTransactionWasCommitedDB";
133:                Connection conn = null;
134:
135:                try {
136:                    conn = openConnectionToNewDatabase(dbname);
137:                    createTestTable(conn);
138:
139:                    conn.setAutoCommit(false);
140:                    insertIntoTestTable(conn, 1, 1000);
141:                    conn.commit();
142:
143:                    shutdownDatabase(dbname);
144:
145:                } catch (SQLException e) {
146:                    verifyShutdownError(e);
147:                }
148:
149:                conn = null;
150:
151:                try {
152:                    conn = reopenConnectionToDatabase(dbname);
153:                    countRowInTestTable(conn);
154:
155:                } finally {
156:                    if (conn != null) {
157:                        conn.close();
158:                        conn = null;
159:                    }
160:                }
161:
162:            }
163:
164:            private static void testTwiceCommited() throws SQLException,
165:                    ClassNotFoundException, InstantiationException,
166:                    IllegalAccessException {
167:
168:                final String dbname = "testTwiceCommitedDB";
169:                Connection conn = null;
170:
171:                try {
172:                    conn = openConnectionToNewDatabase(dbname);
173:                    createTestTable(conn);
174:
175:                    conn.setAutoCommit(false);
176:                    insertIntoTestTable(conn, 1, 1000);
177:                    conn.commit();
178:                    insertIntoTestTable(conn, 1001, 999);
179:                    conn.commit();
180:
181:                    shutdownDatabase(dbname);
182:
183:                } catch (SQLException e) {
184:                    verifyShutdownError(e);
185:                }
186:
187:                conn = null;
188:
189:                try {
190:                    conn = reopenConnectionToDatabase(dbname);
191:                    countRowInTestTable(conn);
192:
193:                } finally {
194:                    if (conn != null) {
195:                        conn.close();
196:                        conn = null;
197:                    }
198:                }
199:
200:            }
201:
202:            private static void testOnceRollbackedAndCommited()
203:                    throws SQLException, ClassNotFoundException,
204:                    InstantiationException, IllegalAccessException {
205:
206:                final String dbname = "testOnceRollbackedAndCommitedDB";
207:                Connection conn = null;
208:
209:                try {
210:                    conn = openConnectionToNewDatabase(dbname);
211:                    createTestTable(conn);
212:
213:                    conn.setAutoCommit(false);
214:                    insertIntoTestTable(conn, 1, 1000);
215:                    conn.rollback();
216:                    insertIntoTestTable(conn, 1001, 999);
217:                    conn.commit();
218:
219:                    shutdownDatabase(dbname);
220:
221:                } catch (SQLException e) {
222:                    verifyShutdownError(e);
223:                }
224:
225:                conn = null;
226:
227:                try {
228:                    conn = reopenConnectionToDatabase(dbname);
229:                    countRowInTestTable(conn);
230:
231:                } finally {
232:                    if (conn != null) {
233:                        conn.close();
234:                        conn = null;
235:                    }
236:                }
237:
238:            }
239:
240:            private static void testOnlyTransactionWasRollbacked()
241:                    throws SQLException, ClassNotFoundException,
242:                    InstantiationException, IllegalAccessException {
243:
244:                final String dbname = "testOnlyTransactionWasRollbackedDB";
245:                Connection conn = null;
246:
247:                try {
248:                    conn = openConnectionToNewDatabase(dbname);
249:                    createTestTable(conn);
250:
251:                    conn.setAutoCommit(false);
252:                    insertIntoTestTable(conn, 1, 1000);
253:                    conn.rollback();
254:
255:                    shutdownDatabase(dbname);
256:
257:                } catch (SQLException e) {
258:                    verifyShutdownError(e);
259:                }
260:
261:                conn = null;
262:
263:                try {
264:                    conn = reopenConnectionToDatabase(dbname);
265:                    countRowInTestTable(conn);
266:
267:                } finally {
268:                    if (conn != null) {
269:                        conn.close();
270:                        conn = null;
271:                    }
272:                }
273:
274:            }
275:
276:            private static void testOnceCommitedAndRollbacked()
277:                    throws SQLException, ClassNotFoundException,
278:                    InstantiationException, IllegalAccessException {
279:
280:                final String dbname = "testOnceCommitedAndRollbackedDB";
281:                Connection conn = null;
282:
283:                try {
284:                    conn = openConnectionToNewDatabase(dbname);
285:                    createTestTable(conn);
286:
287:                    conn.setAutoCommit(false);
288:                    insertIntoTestTable(conn, 1, 1000);
289:                    conn.commit();
290:                    insertIntoTestTable(conn, 1001, 999);
291:                    conn.rollback();
292:
293:                    shutdownDatabase(dbname);
294:
295:                } catch (SQLException e) {
296:                    verifyShutdownError(e);
297:                }
298:
299:                conn = null;
300:
301:                try {
302:                    conn = reopenConnectionToDatabase(dbname);
303:                    countRowInTestTable(conn);
304:
305:                } finally {
306:                    if (conn != null) {
307:                        conn.close();
308:                        conn = null;
309:                    }
310:                }
311:
312:            }
313:
314:            private static void testTwiceRollbacked() throws SQLException,
315:                    ClassNotFoundException, InstantiationException,
316:                    IllegalAccessException {
317:
318:                final String dbname = "testTwiceRollbackedDB";
319:                Connection conn = null;
320:
321:                try {
322:                    conn = openConnectionToNewDatabase(dbname);
323:                    createTestTable(conn);
324:
325:                    conn.setAutoCommit(false);
326:                    insertIntoTestTable(conn, 1, 1000);
327:                    conn.rollback();
328:                    insertIntoTestTable(conn, 1001, 999);
329:                    conn.rollback();
330:
331:                    shutdownDatabase(dbname);
332:
333:                } catch (SQLException e) {
334:                    verifyShutdownError(e);
335:                }
336:
337:                conn = null;
338:
339:                try {
340:                    conn = reopenConnectionToDatabase(dbname);
341:                    countRowInTestTable(conn);
342:
343:                } finally {
344:                    if (conn != null) {
345:                        conn.close();
346:                        conn = null;
347:                    }
348:                }
349:
350:            }
351:
352:            private static void testOnlyTransactionWasLeft()
353:                    throws SQLException, ClassNotFoundException,
354:                    InstantiationException, IllegalAccessException {
355:
356:                final String dbname = "testOnlyTransactionWasLeftDB";
357:                Connection conn = null;
358:
359:                try {
360:                    conn = openConnectionToNewDatabase(dbname);
361:                    createTestTable(conn);
362:
363:                    conn.setAutoCommit(false);
364:                    insertIntoTestTable(conn, 1, 1000);
365:
366:                    shutdownDatabase(dbname);
367:
368:                } catch (SQLException e) {
369:                    verifyShutdownError(e);
370:                }
371:
372:                conn = null;
373:
374:                try {
375:                    conn = reopenConnectionToDatabase(dbname);
376:                    countRowInTestTable(conn);
377:
378:                } finally {
379:                    if (conn != null) {
380:                        conn.close();
381:                        conn = null;
382:                    }
383:                }
384:
385:            }
386:
387:            private static void testOnceCommitedAndLeft() throws SQLException,
388:                    ClassNotFoundException, InstantiationException,
389:                    IllegalAccessException {
390:
391:                final String dbname = "testOnceCommitedAndLeftDB";
392:                Connection conn = null;
393:
394:                try {
395:                    conn = openConnectionToNewDatabase(dbname);
396:                    createTestTable(conn);
397:
398:                    conn.setAutoCommit(false);
399:                    insertIntoTestTable(conn, 1, 1000);
400:                    conn.commit();
401:                    insertIntoTestTable(conn, 1001, 999);
402:
403:                    shutdownDatabase(dbname);
404:
405:                } catch (SQLException e) {
406:                    verifyShutdownError(e);
407:                }
408:
409:                conn = null;
410:
411:                try {
412:                    conn = reopenConnectionToDatabase(dbname);
413:                    countRowInTestTable(conn);
414:
415:                } finally {
416:                    if (conn != null) {
417:                        conn.close();
418:                        conn = null;
419:                    }
420:                }
421:
422:            }
423:
424:            private static void testOnceRollbackedAndLeft()
425:                    throws SQLException, ClassNotFoundException,
426:                    InstantiationException, IllegalAccessException {
427:
428:                final String dbname = "testOnceRollbackedAndLeftDB";
429:                Connection conn = null;
430:
431:                try {
432:                    conn = openConnectionToNewDatabase(dbname);
433:                    createTestTable(conn);
434:
435:                    conn.setAutoCommit(false);
436:                    insertIntoTestTable(conn, 1, 1000);
437:                    conn.rollback();
438:                    insertIntoTestTable(conn, 1001, 999);
439:
440:                    shutdownDatabase(dbname);
441:
442:                } catch (SQLException e) {
443:                    verifyShutdownError(e);
444:                }
445:
446:                conn = null;
447:
448:                try {
449:                    conn = reopenConnectionToDatabase(dbname);
450:                    countRowInTestTable(conn);
451:
452:                } finally {
453:                    if (conn != null) {
454:                        conn.close();
455:                        conn = null;
456:                    }
457:                }
458:
459:            }
460:
461:            private static Connection openConnectionToNewDatabase(
462:                    String databaseName)
463:            //		throws SQLException, ClassNotFoundException, InstantiationException, IllegalAccessException {
464:                    throws SQLException {
465:
466:                Connection conn = TestUtil.getConnection(databaseName,
467:                        "create=true");
468:
469:                System.out.println("A connection to " + databaseName
470:                        + " was opened.");
471:
472:                return conn;
473:
474:            }
475:
476:            private static Connection reopenConnectionToDatabase(
477:                    String databaseName)
478:            //		throws SQLException, ClassNotFoundException, InstantiationException, IllegalAccessException {
479:                    throws SQLException {
480:
481:                return TestUtil.getConnection(databaseName, null);
482:
483:            }
484:
485:            private static void shutdownDatabase(String databaseName)
486:                    throws SQLException, ClassNotFoundException,
487:                    InstantiationException, IllegalAccessException {
488:
489:                TestUtil.getConnection(databaseName, "shutdown=true");
490:
491:                System.out.println(databaseName + " was shut down.");
492:
493:            }
494:
495:            private static void createTestTable(Connection conn)
496:                    throws SQLException {
497:
498:                Statement st = null;
499:
500:                try {
501:                    st = conn.createStatement();
502:                    st.execute("create table " + "TEST_TABLE "
503:                            + "( TEST_COL integer )");
504:
505:                } finally {
506:                    if (st != null) {
507:                        st.close();
508:                        st = null;
509:                    }
510:                }
511:            }
512:
513:            private static void insertIntoTestTable(Connection conn, int val)
514:                    throws SQLException {
515:
516:                PreparedStatement st = null;
517:
518:                try {
519:                    st = conn.prepareStatement("insert into " + "TEST_TABLE "
520:                            + "( TEST_COL ) " + "values( ? )");
521:                    st.setInt(1, val);
522:                    st.execute();
523:
524:                } finally {
525:                    if (st != null) {
526:                        st.close();
527:                        st = null;
528:                    }
529:                }
530:            }
531:
532:            private static void insertIntoTestTable(Connection conn,
533:                    int initialval, int count) throws SQLException {
534:
535:                for (int i = initialval; i < initialval + count; i++) {
536:
537:                    insertIntoTestTable(conn, i);
538:
539:                }
540:
541:            }
542:
543:            private static void countRowInTestTable(Connection conn)
544:                    throws SQLException {
545:
546:                Statement st = null;
547:                ResultSet rs = null;
548:
549:                try {
550:                    st = conn.createStatement();
551:                    rs = st.executeQuery("select " + "count(*) " + "from "
552:                            + "TEST_TABLE ");
553:
554:                    rs.next();
555:                    System.out.println(rs.getInt(1));
556:
557:                } finally {
558:
559:                    if (rs != null) {
560:                        rs.close();
561:                        rs = null;
562:                    }
563:
564:                    if (st != null) {
565:                        st.close();
566:                        st = null;
567:                    }
568:
569:                }
570:            }
571:
572:            private static void verifyShutdownError(SQLException e)
573:                    throws SQLException {
574:
575:                if (!isShutdownError(e))
576:                    throw e;
577:
578:                System.out.println("SQLException of shutting down was found.");
579:
580:            }
581:
582:            private static boolean isShutdownError(SQLException e) {
583:                return e
584:                        .getSQLState()
585:                        .equals(
586:                                StandardException
587:                                        .getSQLStateFromIdentifier(SQLState.SHUTDOWN_DATABASE));
588:            }
589:
590:        }
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