private bool Recover(File storeDir, LogFiles logFiles)
{
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 DefaultRecoveryServiceAnonymousInnerClass3(this, storageEngine, tailScanner, _transactionIdStore, txStore, _versionRepository, NO_MONITOR, recoveryRequired)
, logPruner, _schemaLife, monitor, SilentProgressReporter.INSTANCE, false));
life.Start();
}
finally
{
life.Shutdown();
}
return(recoveryRequired.get());
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldOpenAndRecoverExistingData() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldOpenAndRecoverExistingData()
{
// GIVEN
TransactionIdStore transactionIdStore = new SimpleTransactionIdStore();
TransactionMetadataCache positionCache = new TransactionMetadataCache();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final byte[] additionalHeader = new byte[]{1, 2, 5};
sbyte[] additionalHeader = new sbyte[] { 1, 2, 5 };
const int masterId = 2;
int authorId = 1;
const long timeStarted = 12345;
long latestCommittedTxWhenStarted = 4545;
long timeCommitted = timeStarted + 10;
LifeSupport life = new LifeSupport();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.kernel.impl.transaction.log.files.LogFiles logFiles = org.neo4j.kernel.impl.transaction.log.files.LogFilesBuilder.builder(dir.databaseLayout(), fileSystemRule.get()).withTransactionIdStore(transactionIdStore).withLogVersionRepository(mock(LogVersionRepository.class)).build();
LogFiles logFiles = LogFilesBuilder.builder(Dir.databaseLayout(), FileSystemRule.get()).withTransactionIdStore(transactionIdStore).withLogVersionRepository(mock(typeof(LogVersionRepository))).build();
life.Start();
life.Add(logFiles);
try
{
AddATransactionAndRewind(life, logFiles, positionCache, transactionIdStore, additionalHeader, masterId, authorId, timeStarted, latestCommittedTxWhenStarted, timeCommitted);
}
finally
{
life.Shutdown();
}
life = new LifeSupport();
life.Add(logFiles);
//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();
FakeRecoveryVisitor visitor = new FakeRecoveryVisitor(additionalHeader, masterId, authorId, timeStarted, timeCommitted, latestCommittedTxWhenStarted);
LogicalTransactionStore txStore = new PhysicalLogicalTransactionStore(logFiles, positionCache, new VersionAwareLogEntryReader <ReadableClosablePositionAwareChannel>(), _monitors, true);
life.Add(new BatchingTransactionAppender(logFiles, NO_ROTATION, positionCache, transactionIdStore, BYPASS, _databaseHealth));
CorruptedLogsTruncator logPruner = new CorruptedLogsTruncator(_databaseDirectory, logFiles, FileSystemRule.get());
life.add(new Recovery(new RecoveryServiceAnonymousInnerClass(this, recoveryRequired, visitor, txStore)
, logPruner, new LifecycleAdapter(), mock(typeof(RecoveryMonitor)), SilentProgressReporter.INSTANCE, false));
// WHEN
try
{
life.Start();
}
finally
{
life.Shutdown();
}
// THEN
assertEquals(1, visitor.VisitedTransactions);
assertTrue(recoveryRequired.get());
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldSeeThatACleanDatabaseShouldNotRequireRecovery() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldSeeThatACleanDatabaseShouldNotRequireRecovery()
{
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);
writer.writeStartEntry(0, 1, 2L, 3L, new sbyte[0]);
writer.writeCommitEntry(4L, 5L);
// check point
consumer.accept(marker);
writer.writeCheckPointEntry(marker.newPosition());
return(true);
});
LifeSupport life = new LifeSupport();
RecoveryMonitor monitor = mock(typeof(RecoveryMonitor));
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 DefaultRecoveryServiceAnonymousInnerClass2(this, storageEngine, tailScanner, _transactionIdStore, txStore, _versionRepository, NO_MONITOR)
, logPruner, _schemaLife, monitor, SilentProgressReporter.INSTANCE, false));
life.Start();
verifyZeroInteractions(monitor);
}
finally
{
life.Shutdown();
}
}
//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();
}
}
