org.apache.iotdb.tsfile.fileSystem.fsFactory

Interface FSFactory

All Known Implementing Classes:

HDFSFactory, LocalFSFactory

public interface FSFactory

Method Summary

Modifier and Type	Method and Description
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

Method Detail

getFileWithParent

File getFileWithParent(String pathname)

get file with parent

Parameters:

pathname - pathname

Returns:

file with parent

getFile

File getFile(String pathname)

get file

Parameters:

pathname - pathname

Returns:

file

getFile

File getFile(String parent,
             String child)

get file

Parameters:

parent - parent file path

child - child file path

Returns:

file

getFile

File getFile(File parent,
             String child)

get file

Parameters:

parent - parent file

child - child file path

Returns:

file

getFile

File getFile(URI uri)

get file by uri

Parameters:

uri - uri

Returns:

file

getBufferedReader

BufferedReader getBufferedReader(String filePath)

get buffered reader

Parameters:

filePath - file path

Returns:

buffered reader

getBufferedWriter

BufferedWriter getBufferedWriter(String filePath,
                                 boolean append)

get buffered reader

Parameters:

filePath - file path

append - whether is append

Returns:

buffered reader

getBufferedInputStream

BufferedInputStream getBufferedInputStream(String filePath)

get input stream

Parameters:

filePath - file path

Returns:

input stream

getBufferedOutputStream

BufferedOutputStream getBufferedOutputStream(String filePath)

get output stream

Parameters:

filePath - file path

Returns:

output stream

moveFile

void moveFile(File srcFile,
              File destFile)

move file

Parameters:

srcFile - src file

destFile - dest file

listFilesBySuffix

File[] listFilesBySuffix(String fileFolder,
                         String suffix)

list file by suffix

Parameters:

fileFolder - file folder

suffix - suffix

Returns:

list of files

listFilesByPrefix

File[] listFilesByPrefix(String fileFolder,
                         String prefix)

list file by prefix

Parameters:

fileFolder - file folder

prefix - prefix

Returns:

list of files

deleteIfExists

boolean deleteIfExists(File file)
                throws IOException

delete the file if it exists

Parameters:

file - local file or HDFS file

Throws:

IOException