Package convex.dlfs.impl

Class DLFSLocal

java.lang.Object

java.nio.file.FileSystem

convex.dlfs.DLFileSystem

convex.dlfs.impl.DLFSLocal

All Implemented Interfaces:

Closeable, AutoCloseable, Cloneable

public class DLFSLocal
extends DLFileSystem

Local DLFS Drive implementation

Field Summary

Fields inherited from class convex.dlfs.DLFileSystem

emptyPath, provider, root, uriPath

Constructor Summary

Constructors

Constructor	Description
DLFSLocal(DLFSProvider dlfsProvider, String uriPath, AVector<ACell> rootNode)

Method Summary

Modifier and Type	Method	Description
protected void	checkAccess(DLPath path)	Implementation for DLFSProvider delegation
DLFSLocal	clone()
static DLFSLocal	create(DLFSProvider provider)
protected DLPath	createDirectory(DLPath dir, FileAttribute<?>[] attrs)	Implementation for delegation by DLFSProvider, create a directory
AVector<ACell>	createFile(DLPath path)	Creates a file, returning the new node
void	delete(DLPath path)
AVector<ACell>	getNode(DLPath path)	Gets DLFS node for the given path
Hash	getRootHash()
void	merge(AVector<ACell> other)	Merges another DLFS drive into this one
SeekableByteChannel	newByteChannel(DLPath path, Set<? extends OpenOption> options, FileAttribute<?>[] attrs)	Implementation for delegation by DLFSProvider
DLDirectoryStream	newDirectoryStream(DLPath dir, DirectoryStream.Filter<? super Path> filter)	Implementation for delegation by DLFSProvider
AVector<ACell>	updateNode(DLPath dir, AVector<ACell> newNode)	Updates a node, returning the new node

Methods inherited from class convex.dlfs.DLFileSystem

close, getEmptyPath, getFileAttributes, getFileStores, getNodeHash, getPath, getPathMatcher, getRoot, getRootDirectories, getSeparator, getTimestamp, getUserPrincipalLookupService, isOpen, isReadOnly, newWatchService, provider, replicate, setTimestamp, supportedFileAttributeViews, updateTimestamp, updateTimestamp

Methods inherited from class java.lang.Object

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

Constructor Details

DLFSLocal

public DLFSLocal(DLFSProvider dlfsProvider,
 String uriPath,
 AVector<ACell> rootNode)

Method Details

create

public static DLFSLocal create(DLFSProvider provider)

getNode

public AVector<ACell> getNode(DLPath path)

Description copied from class: DLFileSystem

Gets DLFS node for the given path

Specified by:

getNode in class DLFileSystem

Parameters:

path - Path for which to obtain DLFSNode

Returns:

DLFS node, or null if does not exist

newDirectoryStream

public DLDirectoryStream newDirectoryStream(DLPath dir,
 DirectoryStream.Filter<? super Path> filter)

Description copied from class: DLFileSystem

Implementation for delegation by DLFSProvider

Specified by:

newDirectoryStream in class DLFileSystem

Returns:

Directory stream

newByteChannel

public SeekableByteChannel newByteChannel(DLPath path,
 Set<? extends OpenOption> options,
 FileAttribute<?>[] attrs)
                                   throws IOException

Description copied from class: DLFileSystem

Implementation for delegation by DLFSProvider

Specified by:

newByteChannel in class DLFileSystem

Parameters:

path - Path for new file

options - Options for file creation

attrs - File attributes

Returns:

ByteChannel instance

Throws:

IOException - In case of IO Error

createDirectory

protected DLPath createDirectory(DLPath dir,
 FileAttribute<?>[] attrs)
                          throws IOException

Description copied from class: DLFileSystem

Implementation for delegation by DLFSProvider, create a directory

Specified by:

createDirectory in class DLFileSystem

Returns:

Throws:

IOException

createFile

public AVector<ACell> createFile(DLPath path)
                          throws IOException

Description copied from class: DLFileSystem

Creates a file, returning the new node

Specified by:

createFile in class DLFileSystem

Parameters:

path - Path for which to create DLFSNode

Returns:

New file node

Throws:

IOException - In event of IOError

delete

public void delete(DLPath path)
            throws IOException

Specified by:

delete in class DLFileSystem

Throws:

IOException

updateNode

public AVector<ACell> updateNode(DLPath dir,
 AVector<ACell> newNode)

Description copied from class: DLFileSystem

Updates a node, returning the new node

Specified by:

updateNode in class DLFileSystem

Parameters:

dir - Path for which to update DLFSNode

newNode - NEw node to put in place

Returns:

The new node

checkAccess

protected void checkAccess(DLPath path)
                    throws IOException

Description copied from class: DLFileSystem

Implementation for DLFSProvider delegation

Specified by:

checkAccess in class DLFileSystem

Parameters:

path -

Throws:

IOException

getRootHash

public Hash getRootHash()

Specified by:

getRootHash in class DLFileSystem

merge

public void merge(AVector<ACell> other)

Description copied from class: DLFileSystem

Merges another DLFS drive into this one

Specified by:

merge in class DLFileSystem

Parameters:

other - Root node of other DLFS drive

clone

public DLFSLocal clone()

Specified by:

clone in class DLFileSystem