org.mbs.services.transaction.file
Class FileTransactionPlain

java.lang.Object
  org.mbs.services.transaction.file.FileTransactionPlain

All Implemented Interfaces:

FileTransaction

public class FileTransactionPlain
extends java.lang.Object
implements FileTransaction

This is implementation of FileTransaction proxy in plain java. Please notice, that this class is not thread-safe.

Author:

Valentin Valchev

Constructor Summary

FileTransactionPlain()

Method Summary

void	commit() Commits the changes.
void	init(TransactionContext transaction) This method is called by the FileTransactionResource class, right after, the implementing class is instantiated.
void	mark(int operation, java.io.File file) Marks a file, that operation is being performed on it.
void	rollback() Rolls back the changes, restoring the old contents and removed files.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FileTransactionPlain

public FileTransactionPlain()

Method Detail

mark

public void mark(int operation,
                 java.io.File file)
          throws java.io.IOException

Marks a file, that operation is being performed on it.

Specified by:

mark in interface FileTransaction

Parameters:

operation - the operation that will be performed on the file.

file - the file itself.

Throws:

java.io.IOException - on I/O error

See Also:

FileTransactionResource.FILE_CREATE, FileTransactionResource.FILE_CREATE_TEMP, FileTransactionResource.FILE_MODIFY, FileTransactionResource.FILE_REMOVE

commit

public final void commit()

Description copied from interface: FileTransaction

Commits the changes. Also cleans up the garbage and operation log.

Specified by:

commit in interface FileTransaction

rollback

public final void rollback()

Description copied from interface: FileTransaction

Rolls back the changes, restoring the old contents and removed files.

Specified by:

rollback in interface FileTransaction

init

public void init(TransactionContext transaction)

Description copied from interface: FileTransaction

This method is called by the FileTransactionResource class, right after, the implementing class is instantiated.

Specified by:

init in interface FileTransaction

Parameters:

transaction - the current transaction context.

See Also:

FileTransaction.init(org.mbs.services.transaction.TransactionContext)