org.h2.store.fs.split

类 FilePathSplit

java.lang.Object

org.h2.store.fs.FilePath

org.h2.store.fs.FilePathWrapper

org.h2.store.fs.split.FilePathSplit

public class FilePathSplit
extends FilePathWrapper

A file system that may split files into multiple smaller files. (required for a FAT32 because it only support files up to 2 GB).

字段概要

从类继承的字段 org.h2.store.fs.FilePath

name

构造器概要

构造器

构造器和说明
FilePathSplit()

方法概要

限定符和类型	方法和说明
void	delete() Delete a file or directory if it exists.
protected String	getPrefix()
String	getScheme() Get the scheme (prefix) for this file provider.
long	lastModified() Get the last modified date of a file
void	moveTo(FilePath path, boolean atomicReplace) Rename a file if this is allowed.
ArrayList<FilePath>	newDirectoryStream() List the files and directories in the given directory.
InputStream	newInputStream() Create an input stream to read from the file.
OutputStream	newOutputStream(boolean append) Create an output stream to write into the file.
FileChannel	open(String mode) Open a random access file object.
boolean	setReadOnly() Disable the ability to write.
long	size() Get the size of a file in bytes
FilePath	unwrap(String fileName) Get the base path for the given wrapped path.

从类继承的方法 org.h2.store.fs.FilePathWrapper

canWrite, createDirectory, createFile, createTempFile, exists, getBase, getParent, getPath, isAbsolute, isDirectory, isRegularFile, toRealPath, unwrap, wrap

从类继承的方法 org.h2.store.fs.FilePath

get, getName, newFileChannelOutputStream, register, toString, unregister

从类继承的方法 java.lang.Object

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

构造器详细资料

FilePathSplit

public FilePathSplit()

方法详细资料

getPrefix

protected String getPrefix()

覆盖:

getPrefix 在类中 FilePathWrapper

unwrap

public FilePath unwrap(String fileName)

从类复制的说明: FilePathWrapper

Get the base path for the given wrapped path.

覆盖:

unwrap 在类中 FilePathWrapper

参数:

fileName - the path including the scheme prefix

返回:

the base file path

setReadOnly

public boolean setReadOnly()

从类复制的说明: FilePath

Disable the ability to write.

覆盖:

setReadOnly 在类中 FilePathWrapper

返回:

true if the call was successful

delete

public void delete()

从类复制的说明: FilePath

Delete a file or directory if it exists. Directories may only be deleted if they are empty.

覆盖:

delete 在类中 FilePathWrapper

lastModified

public long lastModified()

从类复制的说明: FilePath

Get the last modified date of a file

覆盖:

lastModified 在类中 FilePathWrapper

返回:

the last modified date

size

public long size()

从类复制的说明: FilePath

Get the size of a file in bytes

覆盖:

size 在类中 FilePathWrapper

返回:

the size in bytes

newDirectoryStream

public ArrayList<FilePath> newDirectoryStream()

从类复制的说明: FilePath

List the files and directories in the given directory.

覆盖:

newDirectoryStream 在类中 FilePathWrapper

返回:

the list of fully qualified file names

newInputStream

public InputStream newInputStream()
                           throws IOException

从类复制的说明: FilePath

Create an input stream to read from the file.

覆盖:

newInputStream 在类中 FilePathWrapper

返回:

the input stream

抛出:

IOException - If an I/O error occurs

open

public FileChannel open(String mode)
                 throws IOException

从类复制的说明: FilePath

Open a random access file object.

覆盖:

open 在类中 FilePathWrapper

参数:

mode - the access mode. Supported are r, rw, rws, rwd

返回:

the file object

抛出:

IOException - If an I/O error occurs

newOutputStream

public OutputStream newOutputStream(boolean append)
                             throws IOException

从类复制的说明: FilePath

Create an output stream to write into the file.

覆盖:

newOutputStream 在类中 FilePathWrapper

参数:

append - if true, the file will grow, if false, the file will be truncated first

返回:

the output stream

抛出:

IOException - If an I/O error occurs

moveTo

public void moveTo(FilePath path,
                   boolean atomicReplace)

从类复制的说明: FilePath

Rename a file if this is allowed.

覆盖:

moveTo 在类中 FilePathWrapper

参数:

path - the new fully qualified file name

atomicReplace - whether the move should be atomic, and the target file should be replaced if it exists and replacing is possible

getScheme

public String getScheme()

从类复制的说明: FilePath

Get the scheme (prefix) for this file provider. This is similar to java.nio.file.spi.FileSystemProvider.getScheme.

指定者:

getScheme 在类中 FilePath

返回:

the scheme