Package org.infinispan.persistence.sifs

Class FileProvider

java.lang.Object

org.infinispan.persistence.sifs.FileProvider

public class FileProvider
extends Object

Provides resource management for files - only limited amount of files may be opened in one moment, and opened file should not be deleted. Also allows to generate file indexes.

Author:

Radim Vansa <rvansa@redhat.com>

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	FileProvider.Handle
class	FileProvider.Log

Constructor Summary

Constructors

Constructor	Description
FileProvider(Path dataDir, int openFileLimit, String prefix, int maxFileSize)

Method Summary

Modifier and Type	Method	Description
void	clear()
void	deleteFile(int fileId)
FileProvider.Handle	getFile(int fileId)
FileProvider.Log	getFileForLog()
CloseableIterator<Integer>	getFileIterator()
long	getFileSize(int file)
boolean	hasFiles()
protected FileChannel	openChannel(int fileId)
protected FileChannel	openChannel(File file, boolean create, boolean readSharedMeadata)
void	stop()

Constructor Detail

FileProvider

public FileProvider(Path dataDir,
                    int openFileLimit,
                    String prefix,
                    int maxFileSize)

Method Detail

getFile

public FileProvider.Handle getFile(int fileId)
                            throws IOException

Throws:

IOException

getFileSize

public long getFileSize(int file)

openChannel

protected FileChannel openChannel(int fileId)
                           throws FileNotFoundException

Throws:

FileNotFoundException

openChannel

protected FileChannel openChannel(File file,
                                  boolean create,
                                  boolean readSharedMeadata)
                           throws FileNotFoundException

Throws:

FileNotFoundException

getFileForLog

public FileProvider.Log getFileForLog()
                               throws IOException

Throws:

IOException

getFileIterator

public CloseableIterator<Integer> getFileIterator()

hasFiles

public boolean hasFiles()

clear

public void clear()
           throws IOException

Throws:

IOException

deleteFile

public void deleteFile(int fileId)

stop

public void stop()