com.terracottatech.offheapstore.filesystem.impl

Class OffheapDirectory

java.lang.Object

com.terracottatech.offheapstore.filesystem.impl.OffheapDirectory

All Implemented Interfaces:

Directory

public class OffheapDirectory
extends Object
implements Directory

Method Summary

Modifier and Type	Method and Description
void	deleteAllFiles() Deletes all files present under this directory
void	deleteFile(String name) Deletes a File.
boolean	fileExists(String name) Checks if a File exists in the directory
String	getName()
File	getOrCreateFile(String name) Creates a new, empty file or returns a reference to the named file if it already exists.
long	getSizeInBytes() Reports the total size of the directory
Set<String>	listFiles() Retrieves the names of files present in the directory

Methods inherited from class java.lang.Object

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

Method Detail

getOrCreateFile

public File getOrCreateFile(String name)
                     throws IOException

Description copied from interface: Directory

Creates a new, empty file or returns a reference to the named file if it already exists.

Specified by:

getOrCreateFile in interface Directory

Parameters:

name - name of the File to be created

Returns:

reference to the new or existing file

Throws:

IOException - if an error occurred while processing the request.

deleteAllFiles

public void deleteAllFiles()
                    throws IOException

Description copied from interface: Directory

Deletes all files present under this directory

Specified by:

deleteAllFiles in interface Directory

Throws:

IOException - if an I/O error occurs

deleteFile

public void deleteFile(String name)
                throws IOException,
                       FileNotFoundException

Description copied from interface: Directory

Deletes a File. This method will block until all the streams associated with the file have been closed.

Specified by:

deleteFile in interface Directory

Parameters:

name - of the file to be deleted.

Throws:

IOException - if an I/O error occurs.

FileNotFoundException - if the file is not found.

fileExists

public boolean fileExists(String name)

Description copied from interface: Directory

Checks if a File exists in the directory

Specified by:

fileExists in interface Directory

Parameters:

name - name of the file to be checked for existence.

Returns:

true if the file exists in the directory, false otherwise.

listFiles

public Set<String> listFiles()
                      throws IOException

Description copied from interface: Directory

Retrieves the names of files present in the directory

Specified by:

listFiles in interface Directory

Returns:

set containing names of the files.

Throws:

IOException - if an error occurs while processing the request.

getSizeInBytes

public long getSizeInBytes()

Description copied from interface: Directory

Reports the total size of the directory

Specified by:

getSizeInBytes in interface Directory

Returns:

sum of sizes of files in bytes.

getName

public String getName()