Пример #1
0
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Parameterized.Parameters(name = "Migrate: {0}->{1}") public static Iterable<Object[]> data() throws java.io.IOException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
        public static IEnumerable <object[]> Data()
        {
            FileSystemAbstraction fs            = _fileSystemRule.get();
            PageCache             pageCache     = _pageCacheRule.getPageCache(fs);
            TestDirectory         testDirectory = TestDirectory.testDirectory();

            testDirectory.PrepareDirectory(typeof(StoreMigrationIT), "migration");
            DatabaseLayout    databaseLayout    = testDirectory.DatabaseLayout();
            StoreVersionCheck storeVersionCheck = new StoreVersionCheck(pageCache);
            VersionAwareLogEntryReader <ReadableClosablePositionAwareChannel> logEntryReader = new VersionAwareLogEntryReader <ReadableClosablePositionAwareChannel>();
            LogFiles             logFiles      = LogFilesBuilder.logFilesBasedOnlyBuilder(databaseLayout.DatabaseDirectory(), fs).withLogEntryReader(logEntryReader).build();
            LogTailScanner       tailScanner   = new LogTailScanner(logFiles, logEntryReader, new Monitors());
            IList <object[]>     data          = new List <object[]>();
            List <RecordFormats> recordFormats = new List <RecordFormats>();

            RecordFormatSelector.allFormats().forEach(f => addIfNotThere(f, recordFormats));
            foreach (RecordFormats toFormat in recordFormats)
            {
                UpgradableDatabase upgradableDatabase = new UpgradableDatabase(storeVersionCheck, toFormat, tailScanner);
                foreach (RecordFormats fromFormat in recordFormats)
                {
                    try
                    {
                        CreateDb(fromFormat, databaseLayout.DatabaseDirectory());
                        if (!upgradableDatabase.HasCurrentVersion(databaseLayout))
                        {
                            upgradableDatabase.CheckUpgradable(databaseLayout);
                            data.Add(new object[] { fromFormat, toFormat });
                        }
                    }
                    catch (Exception)
                    {
                        //This means that the combination is not migratable.
                    }
                    fs.DeleteRecursively(databaseLayout.DatabaseDirectory());
                }
            }

            return(data);
        }
Пример #2
0
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldComputeTheLastTxInfoCorrectly() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
        public virtual void ShouldComputeTheLastTxInfoCorrectly()
        {
            // given
            DatabaseLayout databaseLayout = _directory.databaseLayout();
            File           prepare        = _directory.directory("prepare");

            MigrationTestUtils.prepareSampleLegacyDatabase(Version, _fs, databaseLayout.DatabaseDirectory(), prepare);
            // and a state of the migration saying that it has done the actual migration
            LogService         logService         = NullLogService.Instance;
            PageCache          pageCache          = _pageCacheRule.getPageCache(_fs);
            LogTailScanner     tailScanner        = GetTailScanner(databaseLayout.DatabaseDirectory());
            UpgradableDatabase upgradableDatabase = GetUpgradableDatabase(pageCache, tailScanner);

            string versionToMigrateFrom = upgradableDatabase.CheckUpgradable(databaseLayout).storeVersion();
            SilentMigrationProgressMonitor progressMonitor = new SilentMigrationProgressMonitor();
            StoreMigrator  migrator        = new StoreMigrator(_fs, pageCache, _config, logService, _jobScheduler);
            DatabaseLayout migrationLayout = _directory.databaseLayout(StoreUpgrader.MIGRATION_DIRECTORY);

            // when
            migrator.Migrate(databaseLayout, migrationLayout, progressMonitor.StartSection("section"), versionToMigrateFrom, upgradableDatabase.CurrentVersion());

            // then
            assertTrue(TxIdComparator.apply(migrator.ReadLastTxInformation(migrationLayout)));
        }
Пример #3
0
 private static UpgradableDatabase GetUpgradableDatabase(PageCache pageCache, LogTailScanner tailScanner)
 {
     return(new UpgradableDatabase(new StoreVersionCheck(pageCache), SelectFormat(), tailScanner));
 }
Пример #4
0
 public DefaultRecoveryServiceAnonymousInnerClass3(RecoveryTest outerInstance, StorageEngine storageEngine, LogTailScanner tailScanner, TransactionIdStore transactionIdStore, LogicalTransactionStore txStore, SimpleLogVersionRepository versionRepository, UnknownType noMonitor, AtomicBoolean recoveryRequired) : base(storageEngine, tailScanner, transactionIdStore, txStore, versionRepository, noMonitor)
 {
     this.outerInstance     = outerInstance;
     this._recoveryRequired = recoveryRequired;
 }
Пример #5
0
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldRecoverExistingData() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
        public virtual void ShouldRecoverExistingData()
        {
            File file = _logFiles.getLogFileForVersion(_logVersion);

            WriteSomeData(file, pair =>
            {
                LogEntryWriter writer = pair.first();
                Consumer <LogPositionMarker> consumer = pair.other();
                LogPositionMarker marker = new LogPositionMarker();

                // last committed tx
                consumer.accept(marker);
                LogPosition lastCommittedTxPosition = marker.newPosition();
                writer.writeStartEntry(0, 1, 2L, 3L, new sbyte[0]);
                _lastCommittedTxStartEntry = new LogEntryStart(0, 1, 2L, 3L, new sbyte[0], lastCommittedTxPosition);
                writer.writeCommitEntry(4L, 5L);
                _lastCommittedTxCommitEntry = new LogEntryCommit(4L, 5L);

                // check point pointing to the previously committed transaction
                writer.writeCheckPointEntry(lastCommittedTxPosition);
                _expectedCheckPointEntry = new CheckPoint(lastCommittedTxPosition);

                // tx committed after checkpoint
                consumer.accept(marker);
                writer.writeStartEntry(0, 1, 6L, 4L, new sbyte[0]);
                _expectedStartEntry = new LogEntryStart(0, 1, 6L, 4L, new sbyte[0], marker.newPosition());

                writer.writeCommitEntry(5L, 7L);
                _expectedCommitEntry = new LogEntryCommit(5L, 7L);

                return(true);
            });

            LifeSupport     life    = new LifeSupport();
            RecoveryMonitor monitor = mock(typeof(RecoveryMonitor));
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.concurrent.atomic.AtomicBoolean recoveryRequired = new java.util.concurrent.atomic.AtomicBoolean();
            AtomicBoolean recoveryRequired = new AtomicBoolean();

            try
            {
                StorageEngine storageEngine = mock(typeof(StorageEngine));
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.kernel.impl.transaction.log.entry.LogEntryReader<org.neo4j.kernel.impl.transaction.log.ReadableClosablePositionAwareChannel> reader = new org.neo4j.kernel.impl.transaction.log.entry.VersionAwareLogEntryReader<>();
                LogEntryReader <ReadableClosablePositionAwareChannel> reader = new VersionAwareLogEntryReader <ReadableClosablePositionAwareChannel>();
                LogTailScanner tailScanner = GetTailScanner(_logFiles, reader);

                TransactionMetadataCache metadataCache = new TransactionMetadataCache();
                LogicalTransactionStore  txStore       = new PhysicalLogicalTransactionStore(_logFiles, metadataCache, reader, _monitors, false);
                CorruptedLogsTruncator   logPruner     = new CorruptedLogsTruncator(_storeDir, _logFiles, FileSystemRule.get());
                life.add(new Recovery(new DefaultRecoveryServiceAnonymousInnerClass(this, storageEngine, tailScanner, _transactionIdStore, txStore, _versionRepository, NO_MONITOR, recoveryRequired)
                                      , logPruner, _schemaLife, monitor, SilentProgressReporter.INSTANCE, false));

                life.Start();

                InOrder order = inOrder(monitor);
                order.verify(monitor, times(1)).recoveryRequired(any(typeof(LogPosition)));
                order.verify(monitor, times(1)).recoveryCompleted(2);
                assertTrue(recoveryRequired.get());
            }
            finally
            {
                life.Shutdown();
            }
        }
Пример #6
0
 public UpgradableDatabase(StoreVersionCheck storeVersionCheck, RecordFormats format, LogTailScanner tailScanner)
 {
     this._storeVersionCheck = storeVersionCheck;
     this._format            = format;
     this._tailScanner       = tailScanner;
 }