Package org.apache.iotdb.tsfile.fileSystem.fsFactory

Class HDFSFactory

java.lang.Object

org.apache.iotdb.tsfile.fileSystem.fsFactory.HDFSFactory

All Implemented Interfaces:

FSFactory

public class HDFSFactory
extends Object
implements FSFactory

Constructor Summary

Constructors

Constructor	Description
HDFSFactory()

Method Summary

Modifier and Type	Method	Description
void	copyFile(File srcFile, File destFile)	copy file
void	deleteDirectory(String dir)	Force delete the directory
boolean	deleteIfExists(File file)	delete the file if it exists
BufferedInputStream	getBufferedInputStream(String filePath)	get input stream
BufferedOutputStream	getBufferedOutputStream(String filePath)	get output stream
BufferedReader	getBufferedReader(String filePath)	get buffered reader
BufferedWriter	getBufferedWriter(String filePath, boolean append)	get buffered reader
File	getFile(File parent, String child)	get file
File	getFile(String pathname)	get file
File	getFile(String parent, String child)	get file
File	getFile(URI uri)	get file by uri
File	getFileWithParent(String pathname)	get file with parent
File[]	listFilesByPrefix(String fileFolder, String prefix)	list file by prefix
File[]	listFilesBySuffix(String fileFolder, String suffix)	list file by suffix
void	moveFile(File srcFile, File destFile)	move file

Methods inherited from class java.lang.Object

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

Constructor Detail

HDFSFactory

public HDFSFactory()

Method Detail

getFileWithParent

public File getFileWithParent(String pathname)

Description copied from interface: FSFactory

get file with parent

Specified by:

getFileWithParent in interface FSFactory

Parameters:

pathname - pathname

Returns:

file with parent

getFile

public File getFile(String pathname)

Description copied from interface: FSFactory

get file

Specified by:

getFile in interface FSFactory

Parameters:

pathname - pathname

Returns:

file

getFile

public File getFile(String parent,
                    String child)

Description copied from interface: FSFactory

get file

Specified by:

getFile in interface FSFactory

Parameters:

parent - parent file path

child - child file path

Returns:

file

getFile

public File getFile(File parent,
                    String child)

Description copied from interface: FSFactory

get file

Specified by:

getFile in interface FSFactory

Parameters:

parent - parent file

child - child file path

Returns:

file

getFile

public File getFile(URI uri)

Description copied from interface: FSFactory

get file by uri

Specified by:

getFile in interface FSFactory

Parameters:

uri - uri

Returns:

file

getBufferedReader

public BufferedReader getBufferedReader(String filePath)

Description copied from interface: FSFactory

get buffered reader

Specified by:

getBufferedReader in interface FSFactory

Parameters:

filePath - file path

Returns:

buffered reader

getBufferedWriter

public BufferedWriter getBufferedWriter(String filePath,
                                        boolean append)

Description copied from interface: FSFactory

get buffered reader

Specified by:

getBufferedWriter in interface FSFactory

Parameters:

filePath - file path

append - whether is append

Returns:

buffered reader

getBufferedInputStream

public BufferedInputStream getBufferedInputStream(String filePath)

Description copied from interface: FSFactory

get input stream

Specified by:

getBufferedInputStream in interface FSFactory

Parameters:

filePath - file path

Returns:

input stream

getBufferedOutputStream

public BufferedOutputStream getBufferedOutputStream(String filePath)

Description copied from interface: FSFactory

get output stream

Specified by:

getBufferedOutputStream in interface FSFactory

Parameters:

filePath - file path

Returns:

output stream

moveFile

public void moveFile(File srcFile,
                     File destFile)
              throws IOException

Description copied from interface: FSFactory

move file

Specified by:

moveFile in interface FSFactory

Parameters:

srcFile - src file

destFile - dest file

Throws:

IOException

copyFile

public void copyFile(File srcFile,
                     File destFile)
              throws IOException

Description copied from interface: FSFactory

copy file

Specified by:

copyFile in interface FSFactory

Parameters:

srcFile - src file

destFile - dest file

Throws:

IOException

listFilesBySuffix

public File[] listFilesBySuffix(String fileFolder,
                                String suffix)

Description copied from interface: FSFactory

list file by suffix

Specified by:

listFilesBySuffix in interface FSFactory

Parameters:

fileFolder - file folder

suffix - suffix

Returns:

list of files

listFilesByPrefix

public File[] listFilesByPrefix(String fileFolder,
                                String prefix)

Description copied from interface: FSFactory

list file by prefix

Specified by:

listFilesByPrefix in interface FSFactory

Parameters:

fileFolder - file folder

prefix - prefix

Returns:

list of files

deleteIfExists

public boolean deleteIfExists(File file)

Description copied from interface: FSFactory

delete the file if it exists

Specified by:

deleteIfExists in interface FSFactory

Parameters:

file - local file or HDFS file

deleteDirectory

public void deleteDirectory(String dir)
                     throws IOException

Description copied from interface: FSFactory

Force delete the directory

Specified by:

deleteDirectory in interface FSFactory

Throws:

IOException