org.h2.store.fs
Class FileSystemDiskNioMapped

java.lang.Object
  org.h2.store.fs.FileSystem
      org.h2.store.fs.FileSystemDisk
          org.h2.store.fs.FileSystemDiskNio
              org.h2.store.fs.FileSystemDiskNioMapped

public class FileSystemDiskNioMapped
extends FileSystemDiskNio

This file system stores files on disk and uses java.nio to access the files. This class used memory mapped files.

Constructor Summary

FileSystemDiskNioMapped()

Method Summary

protected java.lang.String	getPrefix() Get the prefix for this file system.
protected FileObject	open(java.lang.String fileName, java.lang.String mode) Try to open a file with this name and mode.

Methods inherited from class org.h2.store.fs.FileSystemDiskNio

accepts, createTempFile, getAbsolutePath, getParent, listFiles, normalize, openFileInputStream, openFileObject, translateFileName

Methods inherited from class org.h2.store.fs.FileSystemDisk

canWrite, copy, createDirs, createNewFile, delete, deleteRecursive, exists, expandUserHomeDirectory, fileStartsWith, freeMemoryAndFinalize, getFileName, getInstance, getLastModified, isAbsolute, isDirectory, isReadOnly, length, openFileOutputStream, rename, setReadOnly, trace, tryDelete

Methods inherited from class org.h2.store.fs.FileSystem

getInstance, getNextTempFileNamePart, mkdirs, register, unregister

Methods inherited from class java.lang.Object

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

Constructor Detail

FileSystemDiskNioMapped

public FileSystemDiskNioMapped()

Method Detail

getPrefix

protected java.lang.String getPrefix()

Description copied from class: FileSystemDiskNio

Get the prefix for this file system.

Overrides:

getPrefix in class FileSystemDiskNio

Returns:

the prefix

open

protected FileObject open(java.lang.String fileName,
                          java.lang.String mode)
                   throws java.io.IOException

Description copied from class: FileSystemDiskNio

Try to open a file with this name and mode.

Overrides:

open in class FileSystemDiskNio

Parameters:

fileName - the file name

mode - the open mode

Returns:

the file object

Throws:

java.io.IOException - if opening fails