//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 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());
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldNotSeeEmptyLogFileWhenReadingTransactionStream() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldNotSeeEmptyLogFileWhenReadingTransactionStream()
{
// GIVEN
LogVersionRepository logVersionRepository = new SimpleLogVersionRepository();
LogFiles logFiles = LogFilesBuilder.builder(_directory.databaseLayout(), _fileSystemRule.get()).withLogVersionRepository(logVersionRepository).withTransactionIdStore(new SimpleTransactionIdStore()).build();
_life.add(logFiles);
LogFile logFile = logFiles.LogFile;
FlushablePositionAwareChannel writer = logFile.Writer;
LogPositionMarker startPosition = new LogPositionMarker();
writer.GetCurrentPosition(startPosition);
// WHEN
AtomicBoolean end = new AtomicBoolean();
sbyte[] dataChunk = new sbyte[100];
// one thread constantly writing to and rotating the channel
AtomicInteger rotations = new AtomicInteger();
System.Threading.CountdownEvent startSignal = new System.Threading.CountdownEvent(1);
Future <Void> writeFuture = _t2.execute(ignored =>
{
ThreadLocalRandom random = ThreadLocalRandom.current();
startSignal.Signal();
while (!end.get())
{
writer.Put(dataChunk, random.Next(1, dataChunk.Length));
if (logFile.RotationNeeded())
{
logFile.Rotate();
// Let's just close the gap to the reader so that it gets closer to the "hot zone"
// where the rotation happens.
writer.GetCurrentPosition(startPosition);
rotations.incrementAndGet();
}
}
return(null);
});
assertTrue(startSignal.await(10, SECONDS));
// one thread reading through the channel
long maxEndTime = currentTimeMillis() + _limitTime;
int reads = 0;
try
{
for ( ; currentTimeMillis() < maxEndTime && reads < LIMIT_READS && rotations.get() < LIMIT_ROTATIONS; reads++)
{
using (ReadableLogChannel reader = logFile.GetReader(startPosition.NewPosition()))
{
Deplete(reader);
}
}
}
finally
{
end.set(true);
writeFuture.get();
}
// THEN simply getting here means this was successful
}