//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldWriteSomeDataIntoTheLog() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldWriteSomeDataIntoTheLog()
{
// GIVEN
string name = "log";
FileSystemAbstraction fs = _fileSystemRule.get();
LogFiles logFiles = LogFilesBuilder.builder(_directory.databaseLayout(), fs).withTransactionIdStore(_transactionIdStore).withLogVersionRepository(_logVersionRepository).build();
_life.start();
_life.add(logFiles);
// WHEN
FlushablePositionAwareChannel writer = logFiles.LogFile.Writer;
LogPositionMarker positionMarker = new LogPositionMarker();
writer.GetCurrentPosition(positionMarker);
int intValue = 45;
long longValue = 4854587;
writer.PutInt(intValue);
writer.PutLong(longValue);
writer.PrepareForFlush().flush();
// THEN
using (ReadableClosableChannel reader = logFiles.LogFile.getReader(positionMarker.NewPosition()))
{
assertEquals(intValue, reader.Int);
assertEquals(longValue, reader.Long);
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldReadOlderLogs() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldReadOlderLogs()
{
// GIVEN
FileSystemAbstraction fs = _fileSystemRule.get();
LogFiles logFiles = LogFilesBuilder.builder(_directory.databaseLayout(), fs).withTransactionIdStore(_transactionIdStore).withLogVersionRepository(_logVersionRepository).build();
_life.start();
_life.add(logFiles);
// WHEN
LogFile logFile = logFiles.LogFile;
FlushablePositionAwareChannel writer = logFile.Writer;
LogPositionMarker positionMarker = new LogPositionMarker();
writer.GetCurrentPosition(positionMarker);
LogPosition position1 = positionMarker.NewPosition();
int intValue = 45;
long longValue = 4854587;
sbyte[] someBytes = someBytes(40);
writer.PutInt(intValue);
writer.PutLong(longValue);
writer.Put(someBytes, someBytes.Length);
writer.PrepareForFlush().flush();
writer.GetCurrentPosition(positionMarker);
LogPosition position2 = positionMarker.NewPosition();
long longValue2 = 123456789L;
writer.PutLong(longValue2);
writer.Put(someBytes, someBytes.Length);
writer.PrepareForFlush().flush();
// THEN
using (ReadableClosableChannel reader = logFile.GetReader(position1))
{
assertEquals(intValue, reader.Int);
assertEquals(longValue, reader.Long);
assertArrayEquals(someBytes, ReadBytes(reader, 40));
}
using (ReadableClosableChannel reader = logFile.GetReader(position2))
{
assertEquals(longValue2, reader.Long);
assertArrayEquals(someBytes, ReadBytes(reader, 40));
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private static void appendCheckpoint(org.neo4j.kernel.impl.transaction.log.files.LogFiles logFiles, org.neo4j.kernel.recovery.LogTailScanner tailScanner) throws java.io.IOException
private static void AppendCheckpoint(LogFiles logFiles, LogTailScanner tailScanner)
{
using (Lifespan lifespan = new Lifespan(logFiles))
{
FlushablePositionAwareChannel writer = logFiles.LogFile.Writer;
TransactionLogWriter transactionLogWriter = new TransactionLogWriter(new LogEntryWriter(writer));
transactionLogWriter.CheckPoint(tailScanner.TailInformation.lastCheckPoint.LogPosition);
writer.PrepareForFlush().flush();
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private void writeTransactions(int transactionCount, int minTransactionSize, int maxTransactionSize) throws java.io.IOException
private void WriteTransactions(int transactionCount, int minTransactionSize, int maxTransactionSize)
{
FlushablePositionAwareChannel channel = _logFile.Writer;
TransactionLogWriter writer = new TransactionLogWriter(new LogEntryWriter(channel));
for (int i = 0; i < transactionCount; i++)
{
writer.Append(Tx(_random.intBetween(minTransactionSize, maxTransactionSize)), ++_txId);
}
channel.PrepareForFlush().flush();
// Don't close the channel, LogFile owns it
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private void generateTransactionLogFiles(org.neo4j.kernel.impl.transaction.log.files.LogFiles logFiles) throws java.io.IOException
private void GenerateTransactionLogFiles(LogFiles logFiles)
{
LogFile logFile = logFiles.LogFile;
FlushablePositionAwareChannel writer = logFile.Writer;
for (sbyte i = 0; i < 107; i++)
{
writer.Put(i);
writer.PrepareForFlush();
if (logFile.RotationNeeded())
{
logFile.Rotate();
}
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private void appendCheckpoint(org.neo4j.kernel.impl.transaction.log.entry.LogEntryVersion logVersion) throws java.io.IOException
private void AppendCheckpoint(LogEntryVersion logVersion)
{
PageCache pageCache = _pageCacheRule.getPageCache(_fs);
VersionAwareLogEntryReader <ReadableClosablePositionAwareChannel> logEntryReader = new VersionAwareLogEntryReader <ReadableClosablePositionAwareChannel>();
LogFiles logFiles = LogFilesBuilder.activeFilesBuilder(_storeDirectory.databaseLayout(), _fs, pageCache).withLogEntryReader(logEntryReader).build();
LogTailScanner tailScanner = new LogTailScanner(logFiles, logEntryReader, new Monitors());
LogTailScanner.LogTailInformation tailInformation = tailScanner.TailInformation;
using (Lifespan lifespan = new Lifespan(logFiles))
{
FlushablePositionAwareChannel channel = logFiles.LogFile.Writer;
LogPosition logPosition = tailInformation.LastCheckPoint.LogPosition;
// Fake record
channel.Put(logVersion.byteCode()).put(CHECK_POINT).putLong(logPosition.LogVersion).putLong(logPosition.ByteOffset);
channel.PrepareForFlush().flush();
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldBeAbleToWriteACheckPoint() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldBeAbleToWriteACheckPoint()
{
// Given
FlushablePositionAwareChannel channel = mock(typeof(FlushablePositionAwareChannel), RETURNS_MOCKS);
Flushable flushable = mock(typeof(Flushable));
when(channel.PrepareForFlush()).thenReturn(flushable);
when(channel.PutLong(anyLong())).thenReturn(channel);
when(_logFile.Writer).thenReturn(channel);
BatchingTransactionAppender appender = Life.add(CreateTransactionAppender());
// When
appender.CheckPoint(new LogPosition(1L, 2L), LogCheckPointEvent.NULL);
// Then
verify(channel, times(1)).putLong(1L);
verify(channel, times(1)).putLong(2L);
verify(channel, times(1)).prepareForFlush();
verify(flushable, times(1)).flush();
verify(_databaseHealth, never()).panic(any());
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldVisitLogFile() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldVisitLogFile()
{
// GIVEN
string name = "log";
FileSystemAbstraction fs = _fileSystemRule.get();
LogFiles logFiles = LogFilesBuilder.builder(_directory.databaseLayout(), fs).withTransactionIdStore(_transactionIdStore).withLogVersionRepository(_logVersionRepository).build();
_life.start();
_life.add(logFiles);
LogFile logFile = logFiles.LogFile;
FlushablePositionAwareChannel writer = logFile.Writer;
LogPositionMarker mark = new LogPositionMarker();
writer.GetCurrentPosition(mark);
for (int i = 0; i < 5; i++)
{
writer.Put(( sbyte )i);
}
writer.PrepareForFlush();
// WHEN/THEN
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.concurrent.atomic.AtomicBoolean called = new java.util.concurrent.atomic.AtomicBoolean();
AtomicBoolean called = new AtomicBoolean();
logFile.Accept(channel =>
{
for (int i = 0; i < 5; i++)
{
assertEquals(( sbyte )i, channel.get());
}
called.set(true);
return(true);
}, mark.NewPosition());
assertTrue(called.get());
}