org.objectweb.jotm.core.log
Interface LogWriter

All Known Implementing Classes:

LogWriterImpl

public interface LogWriter

LogWriter is the entity that stores all information on executed transactions to support recovery. LogWriter is initialized by the open method and closed by the close method. In case of any failure in any LogWriter method, a LogFailureException is thrown.

Method Summary

void	close() Close log writer.
void	logAbort(BasicTransaction tx)
void	logAborted(BasicTransaction tx)
void	logAddDependency(TransactionDependency dep)
void	logBegin(BasicTransaction tx)
void	logCommit(BasicTransaction tx)
void	logCommitted(BasicTransaction tx)
void	logPrepare(BasicTransaction tx)
void	logPrepared(BasicTransaction tx, int vote)
void	logRemoveDependency(TransactionDependency dep)
void	logTMStart()
void	logTMStop()
void	open() Open log writer.

Method Detail

open

public void open()
          throws LogFailureException

Open log writer. This method initializes the log, e.g., establishes a connection to database, creates a log files, etc.

Throws:

LogFailureException - an initialization failure has occured

close

public void close()
           throws LogFailureException

Close log writer. This method closes the log, closes all connections, temporary files, etc.

Throws:

LogFailureException - a failure has occured

logTMStart

public void logTMStart()
                throws LogFailureException

LogFailureException

logTMStop

public void logTMStop()
               throws LogFailureException

LogFailureException

logBegin

public void logBegin(BasicTransaction tx)
              throws LogFailureException

LogFailureException

logCommit

public void logCommit(BasicTransaction tx)
               throws LogFailureException

LogFailureException

logCommitted

public void logCommitted(BasicTransaction tx)
                  throws LogFailureException

LogFailureException

logAbort

public void logAbort(BasicTransaction tx)
              throws LogFailureException

LogFailureException

logAborted

public void logAborted(BasicTransaction tx)
                throws LogFailureException

LogFailureException

logPrepare

public void logPrepare(BasicTransaction tx)
                throws LogFailureException

LogFailureException

logPrepared

public void logPrepared(BasicTransaction tx,
                        int vote)
                 throws LogFailureException

LogFailureException

logAddDependency

public void logAddDependency(TransactionDependency dep)
                      throws LogFailureException

LogFailureException

logRemoveDependency

public void logRemoveDependency(TransactionDependency dep)
                         throws LogFailureException

LogFailureException