Uses of Class
org.apache.hadoop.fs.FileSystem

Packages that use FileSystem

Package	Description
org.apache.hadoop.fs	An abstract file system API.
org.apache.hadoop.fs.ftp
org.apache.hadoop.fs.sftp	SFTP FileSystem package.
org.apache.hadoop.fs.shell.find
org.apache.hadoop.fs.viewfs
org.apache.hadoop.io	Generic i/o code for use when reading and writing data to the network, to databases, and to files.
org.apache.hadoop.security

Uses of FileSystem in org.apache.hadoop.fs

Classes in org.apache.hadoop.fs with type parameters of type FileSystem

Modifier and Type	Class and Description
static class	DelegationTokenRenewer.RenewAction<T extends FileSystem & DelegationTokenRenewer.Renewable> An action that will renew and replace the file system's delegation tokens automatically.

Subclasses of FileSystem in org.apache.hadoop.fs

Modifier and Type	Class and Description
class	ChecksumFileSystem Abstract Checksumed FileSystem.
class	FilterFileSystem A FilterFileSystem contains some other file system, which it uses as its basic file system, possibly transforming the data along the way or providing additional functionality.
class	HarFileSystem This is an implementation of the Hadoop Archive Filesystem.
class	LocalFileSystem Implement the FileSystem API for the checksumed local filesystem.
class	RawLocalFileSystem Implement the FileSystem API for the raw local filesystem.

Fields in org.apache.hadoop.fs declared as FileSystem

Modifier and Type	Field and Description
protected FileSystem	TrashPolicy.fs
protected FileSystem	FilterFileSystem.fs

Methods in org.apache.hadoop.fs that return FileSystem

Modifier and Type	Method and Description
static FileSystem	FileSystem.get(Configuration conf) Returns the configured filesystem implementation.
static FileSystem	FileSystem.get(URI uri, Configuration conf) Returns the FileSystem for this URI's scheme and authority.
static FileSystem	FileSystem.get(URI uri, Configuration conf, String user) Get a filesystem instance based on the uri, the passed configuration and the user
FileSystem[]	HarFileSystem.getChildFileSystems() Used for delegation token related functionality.
FileSystem[]	FilterFileSystem.getChildFileSystems()
FileSystem	Path.getFileSystem(Configuration conf) Return the FileSystem that owns this Path.
protected static FileSystem	FileSystem.getFSofPath(Path absOrFqPath, Configuration conf)
static FileSystem	FileSystem.getNamed(String name, Configuration conf) Deprecated. call #get(URI,Configuration) instead.
FileSystem	LocalFileSystem.getRaw()
FileSystem	FilterFileSystem.getRawFileSystem() Get the raw file system
FileSystem	ChecksumFileSystem.getRawFileSystem() get the raw file system
static FileSystem	FileSystem.newInstance(Configuration conf) Returns a unique configured filesystem implementation.
static FileSystem	FileSystem.newInstance(URI uri, Configuration conf) Returns the FileSystem for this URI's scheme and authority.
static FileSystem	FileSystem.newInstance(URI uri, Configuration conf, String user) Returns the FileSystem for this URI's scheme and authority and the passed user.

Methods in org.apache.hadoop.fs that return types with arguments of type FileSystem

Modifier and Type	Method and Description
static Class<? extends FileSystem>	FileSystem.getFileSystemClass(String scheme, Configuration conf)

Methods in org.apache.hadoop.fs with parameters of type FileSystem

Modifier and Type	Method and Description
static boolean	FileUtil.compareFs(FileSystem srcFs, FileSystem destFs)
static boolean	FileUtil.copy(File src, FileSystem dstFS, Path dst, boolean deleteSource, Configuration conf) Copy local files to a FileSystem.
static boolean	FileUtil.copy(FileSystem srcFS, FileStatus srcStatus, FileSystem dstFS, Path dst, boolean deleteSource, boolean overwrite, Configuration conf) Copy files between FileSystems.
static boolean	FileUtil.copy(FileSystem srcFS, Path[] srcs, FileSystem dstFS, Path dst, boolean deleteSource, boolean overwrite, Configuration conf)
static boolean	FileUtil.copy(FileSystem srcFS, Path src, File dst, boolean deleteSource, Configuration conf) Copy FileSystem files to local files.
static boolean	FileUtil.copy(FileSystem srcFS, Path src, FileSystem dstFS, Path dst, boolean deleteSource, boolean overwrite, Configuration conf) Copy files between FileSystems.
static boolean	FileUtil.copy(FileSystem srcFS, Path src, FileSystem dstFS, Path dst, boolean deleteSource, Configuration conf) Copy files between FileSystems.
static boolean	FileUtil.copyMerge(FileSystem srcFS, Path srcDir, FileSystem dstFS, Path dstFile, boolean deleteSource, Configuration conf, String addString) Deprecated.
static FSDataOutputStream	FileSystem.create(FileSystem fs, Path file, FsPermission permission) create a file with the provided permission The permission of the file is set to be the provided permission as in setPermission, not permission&~umask It is implemented using two RPCs.
static void	FileUtil.fullyDelete(FileSystem fs, Path dir) Deprecated. Use delete(Path, boolean)
static TrashPolicy	TrashPolicy.getInstance(Configuration conf, FileSystem fs) Get an instance of the configured TrashPolicy based on the value of the configuration parameter fs.trash.classname.
static TrashPolicy	TrashPolicy.getInstance(Configuration conf, FileSystem fs, Path home) Deprecated. Use TrashPolicy.getInstance(Configuration, FileSystem) instead.
void	TrashPolicy.initialize(Configuration conf, FileSystem fs) Used to setup the trash policy.
abstract void	TrashPolicy.initialize(Configuration conf, FileSystem fs, Path home) Deprecated. Use TrashPolicy.initialize(Configuration, FileSystem) instead.
Path	Path.makeQualified(FileSystem fs) Deprecated. use Path.makeQualified(URI, Path)
static boolean	FileSystem.mkdirs(FileSystem fs, Path dir, FsPermission permission) create a directory with the provided permission The permission of the directory is set to be the provided permission as in setPermission, not permission&~umask
static boolean	Trash.moveToAppropriateTrash(FileSystem fs, Path p, Configuration conf) In case of the symlinks or mount points, one has to move the appropriate trashbin in the actual volume of the path p being deleted.

Method parameters in org.apache.hadoop.fs with type arguments of type FileSystem

Modifier and Type	Method and Description
static FileSystem.Statistics	FileSystem.getStatistics(String scheme, Class<? extends FileSystem> cls) Deprecated. use getGlobalStorageStatistics()

Constructors in org.apache.hadoop.fs with parameters of type FileSystem

Constructor and Description
ChecksumFileSystem(FileSystem fs)
FilterFileSystem(FileSystem fs)
HarFileSystem(FileSystem fs) Constructor to create a HarFileSystem with an underlying filesystem.
LocalFileSystem(FileSystem rawLocalFileSystem)
Trash(FileSystem fs, Configuration conf) Construct a trash can accessor for the FileSystem provided.

Uses of FileSystem in org.apache.hadoop.fs.ftp

Subclasses of FileSystem in org.apache.hadoop.fs.ftp

Modifier and Type	Class and Description
class	FTPFileSystem A FileSystem backed by an FTP client provided by Apache Commons Net.

Uses of FileSystem in org.apache.hadoop.fs.sftp

Subclasses of FileSystem in org.apache.hadoop.fs.sftp

Modifier and Type	Class and Description
class	SFTPFileSystem SFTP FileSystem.

Uses of FileSystem in org.apache.hadoop.fs.shell.find

Methods in org.apache.hadoop.fs.shell.find that return FileSystem

Modifier and Type	Method and Description
protected FileSystem	BaseExpression.getFileSystem(org.apache.hadoop.fs.shell.PathData item) Returns the FileSystem associated with the PathData item.

Uses of FileSystem in org.apache.hadoop.fs.viewfs

Subclasses of FileSystem in org.apache.hadoop.fs.viewfs

Modifier and Type	Class and Description
class	ViewFileSystem ViewFileSystem (extends the FileSystem interface) implements a client-side mount table.

Methods in org.apache.hadoop.fs.viewfs that return FileSystem

Modifier and Type	Method and Description
FileSystem[]	ViewFileSystem.getChildFileSystems()

Uses of FileSystem in org.apache.hadoop.io

Methods in org.apache.hadoop.io with parameters of type FileSystem

Modifier and Type	Method and Description
static SequenceFile.Writer	SequenceFile.createWriter(FileSystem fs, Configuration conf, Path name, Class keyClass, Class valClass) Deprecated. Use SequenceFile.createWriter(Configuration, Writer.Option...) instead.
static SequenceFile.Writer	SequenceFile.createWriter(FileSystem fs, Configuration conf, Path name, Class keyClass, Class valClass, int bufferSize, short replication, long blockSize, boolean createParent, SequenceFile.CompressionType compressionType, CompressionCodec codec, SequenceFile.Metadata metadata) Deprecated.
static SequenceFile.Writer	SequenceFile.createWriter(FileSystem fs, Configuration conf, Path name, Class keyClass, Class valClass, int bufferSize, short replication, long blockSize, SequenceFile.CompressionType compressionType, CompressionCodec codec, Progressable progress, SequenceFile.Metadata metadata) Deprecated. Use SequenceFile.createWriter(Configuration, Writer.Option...) instead.
static SequenceFile.Writer	SequenceFile.createWriter(FileSystem fs, Configuration conf, Path name, Class keyClass, Class valClass, SequenceFile.CompressionType compressionType) Deprecated. Use SequenceFile.createWriter(Configuration, Writer.Option...) instead.
static SequenceFile.Writer	SequenceFile.createWriter(FileSystem fs, Configuration conf, Path name, Class keyClass, Class valClass, SequenceFile.CompressionType compressionType, CompressionCodec codec) Deprecated. Use SequenceFile.createWriter(Configuration, Writer.Option...) instead.
static SequenceFile.Writer	SequenceFile.createWriter(FileSystem fs, Configuration conf, Path name, Class keyClass, Class valClass, SequenceFile.CompressionType compressionType, CompressionCodec codec, Progressable progress) Deprecated. Use SequenceFile.createWriter(Configuration, Writer.Option...) instead.
static SequenceFile.Writer	SequenceFile.createWriter(FileSystem fs, Configuration conf, Path name, Class keyClass, Class valClass, SequenceFile.CompressionType compressionType, CompressionCodec codec, Progressable progress, SequenceFile.Metadata metadata) Deprecated. Use SequenceFile.createWriter(Configuration, Writer.Option...) instead.
static SequenceFile.Writer	SequenceFile.createWriter(FileSystem fs, Configuration conf, Path name, Class keyClass, Class valClass, SequenceFile.CompressionType compressionType, Progressable progress) Deprecated. Use SequenceFile.createWriter(Configuration, Writer.Option...) instead.
static void	MapFile.delete(FileSystem fs, String name) Deletes the named map file.
static void	BloomMapFile.delete(FileSystem fs, String name)
static long	MapFile.fix(FileSystem fs, Path dir, Class<? extends Writable> keyClass, Class<? extends Writable> valueClass, boolean dryrun, Configuration conf) This method attempts to fix a corrupt MapFile by re-creating its index.
protected FSDataInputStream	SequenceFile.Reader.openFile(FileSystem fs, Path file, int bufferSize, long length) Override this method to specialize the type of FSDataInputStream returned.
static void	MapFile.rename(FileSystem fs, String oldName, String newName) Renames an existing map directory.

Constructors in org.apache.hadoop.io with parameters of type FileSystem

Constructor and Description
ArrayFile.Reader(FileSystem fs, String file, Configuration conf) Construct an array reader for the named file.
ArrayFile.Writer(Configuration conf, FileSystem fs, String file, Class<? extends Writable> valClass) Create the named file for values of the named class.
ArrayFile.Writer(Configuration conf, FileSystem fs, String file, Class<? extends Writable> valClass, SequenceFile.CompressionType compress, Progressable progress) Create the named file for values of the named class.
BloomMapFile.Reader(FileSystem fs, String dirName, Configuration conf) Deprecated.
BloomMapFile.Reader(FileSystem fs, String dirName, WritableComparator comparator, Configuration conf) Deprecated.
BloomMapFile.Reader(FileSystem fs, String dirName, WritableComparator comparator, Configuration conf, boolean open) Deprecated.
BloomMapFile.Writer(Configuration conf, FileSystem fs, String dirName, Class<? extends WritableComparable> keyClass, Class valClass) Deprecated.
BloomMapFile.Writer(Configuration conf, FileSystem fs, String dirName, Class<? extends WritableComparable> keyClass, Class<? extends Writable> valClass, SequenceFile.CompressionType compress, CompressionCodec codec, Progressable progress) Deprecated.
BloomMapFile.Writer(Configuration conf, FileSystem fs, String dirName, Class<? extends WritableComparable> keyClass, Class valClass, SequenceFile.CompressionType compress) Deprecated.
BloomMapFile.Writer(Configuration conf, FileSystem fs, String dirName, Class<? extends WritableComparable> keyClass, Class valClass, SequenceFile.CompressionType compress, Progressable progress) Deprecated.
BloomMapFile.Writer(Configuration conf, FileSystem fs, String dirName, WritableComparator comparator, Class valClass) Deprecated.
BloomMapFile.Writer(Configuration conf, FileSystem fs, String dirName, WritableComparator comparator, Class valClass, SequenceFile.CompressionType compress) Deprecated.
BloomMapFile.Writer(Configuration conf, FileSystem fs, String dirName, WritableComparator comparator, Class valClass, SequenceFile.CompressionType compress, CompressionCodec codec, Progressable progress) Deprecated.
BloomMapFile.Writer(Configuration conf, FileSystem fs, String dirName, WritableComparator comparator, Class valClass, SequenceFile.CompressionType compress, Progressable progress) Deprecated.
MapFile.Reader(FileSystem fs, String dirName, Configuration conf) Deprecated.
MapFile.Reader(FileSystem fs, String dirName, WritableComparator comparator, Configuration conf) Deprecated.
MapFile.Writer(Configuration conf, FileSystem fs, String dirName, Class<? extends WritableComparable> keyClass, Class valClass) Deprecated. Use Writer(Configuration, Path, Option...) instead.
MapFile.Writer(Configuration conf, FileSystem fs, String dirName, Class<? extends WritableComparable> keyClass, Class valClass, SequenceFile.CompressionType compress) Deprecated. Use Writer(Configuration, Path, Option...) instead.
MapFile.Writer(Configuration conf, FileSystem fs, String dirName, Class<? extends WritableComparable> keyClass, Class valClass, SequenceFile.CompressionType compress, CompressionCodec codec, Progressable progress) Deprecated. Use Writer(Configuration, Path, Option...) instead.
MapFile.Writer(Configuration conf, FileSystem fs, String dirName, Class<? extends WritableComparable> keyClass, Class valClass, SequenceFile.CompressionType compress, Progressable progress) Deprecated. Use Writer(Configuration, Path, Option...) instead.
MapFile.Writer(Configuration conf, FileSystem fs, String dirName, WritableComparator comparator, Class valClass) Deprecated. Use Writer(Configuration, Path, Option...) instead.
MapFile.Writer(Configuration conf, FileSystem fs, String dirName, WritableComparator comparator, Class valClass, SequenceFile.CompressionType compress) Deprecated. Use Writer(Configuration, Path, Option...) instead.
MapFile.Writer(Configuration conf, FileSystem fs, String dirName, WritableComparator comparator, Class valClass, SequenceFile.CompressionType compress, CompressionCodec codec, Progressable progress) Deprecated. Use Writer(Configuration, Path, Option...) instead.
MapFile.Writer(Configuration conf, FileSystem fs, String dirName, WritableComparator comparator, Class valClass, SequenceFile.CompressionType compress, Progressable progress) Deprecated. Use Writer(Configuration, Path, Option...)} instead.
SequenceFile.Reader(FileSystem fs, Path file, Configuration conf) Deprecated. Use Reader(Configuration, Option...) instead.
SequenceFile.Sorter(FileSystem fs, Class<? extends WritableComparable> keyClass, Class valClass, Configuration conf) Sort and merge files containing the named classes.
SequenceFile.Sorter(FileSystem fs, RawComparator comparator, Class keyClass, Class valClass, Configuration conf) Sort and merge using an arbitrary RawComparator.
SequenceFile.Sorter(FileSystem fs, RawComparator comparator, Class keyClass, Class valClass, Configuration conf, SequenceFile.Metadata metadata) Sort and merge using an arbitrary RawComparator.
SequenceFile.Writer(FileSystem fs, Configuration conf, Path name, Class keyClass, Class valClass) Deprecated. Use SequenceFile.createWriter(Configuration, Writer.Option...) instead.
SequenceFile.Writer(FileSystem fs, Configuration conf, Path name, Class keyClass, Class valClass, int bufferSize, short replication, long blockSize, Progressable progress, SequenceFile.Metadata metadata) Deprecated. Use SequenceFile.createWriter(Configuration, Writer.Option...) instead.
SequenceFile.Writer(FileSystem fs, Configuration conf, Path name, Class keyClass, Class valClass, Progressable progress, SequenceFile.Metadata metadata) Deprecated. Use SequenceFile.createWriter(Configuration, Writer.Option...) instead.
SetFile.Reader(FileSystem fs, String dirName, Configuration conf) Construct a set reader for the named set.
SetFile.Reader(FileSystem fs, String dirName, WritableComparator comparator, Configuration conf) Construct a set reader for the named set using the named comparator.
SetFile.Writer(Configuration conf, FileSystem fs, String dirName, Class<? extends WritableComparable> keyClass, SequenceFile.CompressionType compress) Create a set naming the element class and compression type.
SetFile.Writer(Configuration conf, FileSystem fs, String dirName, WritableComparator comparator, SequenceFile.CompressionType compress) Create a set naming the element comparator and compression type.
SetFile.Writer(FileSystem fs, String dirName, Class<? extends WritableComparable> keyClass) Deprecated. pass a Configuration too

Uses of FileSystem in org.apache.hadoop.security

Method parameters in org.apache.hadoop.security with type arguments of type FileSystem

Modifier and Type	Method and Description
static Configuration	ProviderUtils.excludeIncompatibleCredentialProviders(Configuration config, Class<? extends FileSystem> fileSystemClass) There are certain integrations of the credential provider API in which a recursive dependency between the provider and the hadoop filesystem abstraction causes a problem.