org.xcmis.search.lucene.index
Interface ConcurrentDirectoryFactory

All Known Implementing Classes:

ReadWriteDirectoryFactory, ReentrantDirectoryFactory

public interface ConcurrentDirectoryFactory

Created by The eXo Platform SAS.
Date:

Version:

$Id: ConcurrentDirectoryFactory.java 2 2010-02-04 17:21:49Z andrew00x $

Author:

Karpenko Sergiy

Method Summary

File	createFile(File dir, String filename, int dirCount) Create file with locking of dirCount parent directories.
void	removeDirectory(File dir, int dirCount) Try remove directory and parent directories.

Method Detail

createFile

File createFile(File dir,
                String filename,
                int dirCount)
                throws IOException,
                       TransactionLogException

Create file with locking of dirCount parent directories.

Parameters:

dir - - parent directory of file

filename - - name of file

dirCount - - count of parent directories that will be locked during create file execution

Returns:

File - created file

Throws:

IOException - - I/O Exception

TransactionLogException - - if file already exist, or file or it's parent directory was not created (or not exist)

removeDirectory

void removeDirectory(File dir,
                     int dirCount)
                     throws TransactionLogException

Try remove directory and parent directories. Maximum count of removed directories is dirCount.

Parameters:

dir - - directory to remove.

dirCount - - maximum count of removed directories. dir counted to.

Throws:

TransactionLogException - - if directory do not contain subfiles, but was not removed.