com.pervasive.datarush.cluster

Class FileServiceImpl

java.lang.Object

com.pervasive.datarush.cluster.FileServiceImpl

All Implemented Interfaces:

FileService, SimpleRMI.ServerListener

public final class FileServiceImpl
extends Object
implements FileService, SimpleRMI.ServerListener

Constructor Summary

Constructors

Constructor and Description
FileServiceImpl(Path basePath)

Method Summary

Methods

Modifier and Type	Method and Description
InputStream	concat(List<String> relativePaths, boolean ignoreNonExistant)
void	delete(String relativePath) Deletes the file or directory ( recursively )
void	destroy() Called upon server shutdown.
boolean	exists(String relativePath) Returns true if the file exists.
FileData	getFileData(String relativePath)
long	getLength(String relativePath)
PathInfo	getRoot() Returns the root directory supported by this file service
void	init(GenericTCPServer.ServerContext context) Called upon server start to inform the handler of context information such as the listening address.
boolean	isDirectory(String relativePath) Returns true if the file exists and is a directory.
boolean	isFile(String relativePath) Returns true if the file exists and is a file ( not a directory ).
List<FileData>	listPathData(String relativePath) Lists the files and subdirectories under this directory
List<String>	listPaths(String relativePath) Lists the files and subdirectories under this directory
InputStream	openInputStream(String relativePath) Opens the file for reading.
OutputStream	openOutputStream(String relativePath, WriteMode mode) Opens the file for writing.

Methods inherited from class java.lang.Object

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

Constructor Detail

FileServiceImpl

public FileServiceImpl(Path basePath)

Method Detail

isFile

public boolean isFile(String relativePath)

Description copied from interface: FileService

Returns true if the file exists and is a file ( not a directory ).

Specified by:

isFile in interface FileService

Parameters:

relativePath - the file path

Returns:

true if the file exists and is a file

exists

public boolean exists(String relativePath)

Description copied from interface: FileService

Returns true if the file exists.

Specified by:

exists in interface FileService

Parameters:

relativePath - the file path

Returns:

true if the file exists

isDirectory

public boolean isDirectory(String relativePath)

Description copied from interface: FileService

Returns true if the file exists and is a directory.

Specified by:

isDirectory in interface FileService

Parameters:

relativePath - the file path

Returns:

true if the file exists and is a directory

getFileData

public FileData getFileData(String relativePath)

Specified by:

getFileData in interface FileService

openInputStream

public InputStream openInputStream(String relativePath)

Description copied from interface: FileService

Opens the file for reading.

Specified by:

openInputStream in interface FileService

Parameters:

relativePath - the file path

Returns:

a stream of the contents of the file

openOutputStream

public OutputStream openOutputStream(String relativePath,
                            WriteMode mode)

Description copied from interface: FileService

Opens the file for writing.

Specified by:

openOutputStream in interface FileService

Parameters:

relativePath - the file path

mode - the write mode

Returns:

a stream for writing the contents of the file

listPaths

public List<String> listPaths(String relativePath)

Description copied from interface: FileService

Lists the files and subdirectories under this directory

Specified by:

listPaths in interface FileService

Parameters:

relativePath - the file path

Returns:

the contents of this directory

listPathData

public List<FileData> listPathData(String relativePath)

Description copied from interface: FileService

Lists the files and subdirectories under this directory

Specified by:

listPathData in interface FileService

Parameters:

relativePath - the file path

Returns:

the contents of this directory

delete

public void delete(String relativePath)

Description copied from interface: FileService

Deletes the file or directory ( recursively )

Specified by:

delete in interface FileService

Parameters:

relativePath - the file path

init

public void init(GenericTCPServer.ServerContext context)

Description copied from interface: SimpleRMI.ServerListener

Called upon server start to inform the handler of context information such as the listening address. This method will be called prior to accepting any requests.

Specified by:

init in interface SimpleRMI.ServerListener

Parameters:

context - the server context

destroy

public void destroy()

Description copied from interface: SimpleRMI.ServerListener

Called upon server shutdown. This method will be called only after the last request has finished.

Specified by:

destroy in interface SimpleRMI.ServerListener

getRoot

public PathInfo getRoot()

Description copied from interface: FileService

Returns the root directory supported by this file service

Specified by:

getRoot in interface FileService

Returns:

the root directory supported by this file service

getLength

public long getLength(String relativePath)

Specified by:

getLength in interface FileService

concat

public InputStream concat(List<String> relativePaths,
                 boolean ignoreNonExistant)

Specified by:

concat in interface FileService