/// <summary>
/// Analyzes transactions found in log file(s) specified by {@code storeDirOrLogFile} calling methods on the supplied
/// <seealso cref="Monitor"/> for each encountered data item.
/// </summary>
/// <param name="fileSystem"> <seealso cref="FileSystemAbstraction"/> to find the files on. </param>
/// <param name="storeDirOrLogFile"> <seealso cref="File"/> pointing either to a directory containing transaction log files, or directly
/// pointing to a single transaction log file to analyze. </param>
/// <param name="invalidLogEntryHandler"> <seealso cref="InvalidLogEntryHandler"/> to pass in to the internal <seealso cref="LogEntryReader"/>. </param>
/// <param name="monitor"> <seealso cref="Monitor"/> receiving call-backs for all <seealso cref="Monitor.transaction(LogEntry[]) transactions"/>,
/// <seealso cref="Monitor.checkpoint(CheckPoint, LogPosition) checkpoints"/> and <seealso cref="Monitor.logFile(File, long) log file transitions"/>
/// encountered during the analysis. </param>
/// <exception cref="IOException"> on I/O error. </exception>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public static void analyze(org.neo4j.io.fs.FileSystemAbstraction fileSystem, java.io.File storeDirOrLogFile, org.neo4j.kernel.impl.transaction.log.entry.InvalidLogEntryHandler invalidLogEntryHandler, Monitor monitor) throws java.io.IOException
public static void Analyze(FileSystemAbstraction fileSystem, File storeDirOrLogFile, InvalidLogEntryHandler invalidLogEntryHandler, Monitor monitor)
{
File firstFile;
LogVersionBridge bridge;
ReadAheadLogChannel channel;
LogEntryReader <ReadableClosablePositionAwareChannel> entryReader;
LogPositionMarker positionMarker;
if (storeDirOrLogFile.Directory)
{
// Use natural log version bridging if a directory is supplied
//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.logFilesBasedOnlyBuilder(storeDirOrLogFile, fileSystem).build();
LogFiles logFiles = LogFilesBuilder.logFilesBasedOnlyBuilder(storeDirOrLogFile, fileSystem).build();
bridge = new ReaderLogVersionBridgeAnonymousInnerClass(logFiles, monitor, channel);
long lowestLogVersion = logFiles.LowestLogVersion;
if (lowestLogVersion < 0)
{
throw new System.InvalidOperationException(format("Transaction logs at '%s' not found.", storeDirOrLogFile));
}
firstFile = logFiles.GetLogFileForVersion(lowestLogVersion);
monitor.LogFile(firstFile, lowestLogVersion);
}
else
{
// Use no bridging, simply reading this single log file if a file is supplied
firstFile = storeDirOrLogFile;
//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.logFilesBasedOnlyBuilder(storeDirOrLogFile, fileSystem).build();
LogFiles logFiles = LogFilesBuilder.logFilesBasedOnlyBuilder(storeDirOrLogFile, fileSystem).build();
monitor.LogFile(firstFile, logFiles.GetLogVersion(firstFile));
bridge = NO_MORE_CHANNELS;
}
channel = new ReadAheadLogChannel(openVersionedChannel(fileSystem, firstFile), bridge);
entryReader = new VersionAwareLogEntryReader <ReadableClosablePositionAwareChannel>(new RecordStorageCommandReaderFactory(), invalidLogEntryHandler);
positionMarker = new LogPositionMarker();
using (TransactionLogEntryCursor cursor = new TransactionLogEntryCursor(new LogEntryCursor(entryReader, channel)))
{
channel.GetCurrentPosition(positionMarker);
while (cursor.Next())
{
LogEntry[] tx = cursor.Get();
if (tx.Length == 1 && tx[0].Type == CHECK_POINT)
{
monitor.Checkpoint(tx[0].As(), positionMarker.NewPosition());
}
else
{
monitor.Transaction(tx);
}
}
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: protected java.io.IOException unknownCommandType(byte commandType, org.neo4j.storageengine.api.ReadableChannel channel) throws java.io.IOException
protected internal virtual IOException UnknownCommandType(sbyte commandType, ReadableChannel channel)
{
string message = "Unknown command type[" + commandType + "]";
if (channel is PositionAwareChannel)
{
PositionAwareChannel logChannel = ( PositionAwareChannel )channel;
LogPositionMarker position = new LogPositionMarker();
logChannel.GetCurrentPosition(position);
message += " near " + position.NewPosition();
}
return(new IOException(message));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldReturnUnspecifiedIfNothingHasBeenMarked()
public virtual void ShouldReturnUnspecifiedIfNothingHasBeenMarked()
{
// given
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.kernel.impl.transaction.log.LogPositionMarker marker = new org.neo4j.kernel.impl.transaction.log.LogPositionMarker();
LogPositionMarker marker = new LogPositionMarker();
// when
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.kernel.impl.transaction.log.LogPosition logPosition = marker.newPosition();
LogPosition logPosition = marker.NewPosition();
// given
assertEquals(LogPosition.UNSPECIFIED, logPosition);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldReturnTheMarkedPosition()
public virtual void ShouldReturnTheMarkedPosition()
{
// given
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.kernel.impl.transaction.log.LogPositionMarker marker = new org.neo4j.kernel.impl.transaction.log.LogPositionMarker();
LogPositionMarker marker = new LogPositionMarker();
// when
marker.Mark(1, 2);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.kernel.impl.transaction.log.LogPosition logPosition = marker.newPosition();
LogPosition logPosition = marker.NewPosition();
// given
assertEquals(new LogPosition(1, 2), logPosition);
}
public override LogPositionMarker GetCurrentPosition(LogPositionMarker positionMarker)
{
positionMarker.Unspecified();
return(positionMarker);
}
