Uses of Package
org.apache.hadoop.fs

Packages that use org.apache.hadoop.fs

Package	Description
org.apache.hadoop.conf	Configuration of system parameters.
org.apache.hadoop.fs	An abstract file system API.
org.apache.hadoop.fs.ftp
org.apache.hadoop.fs.kfs	A client for the Kosmos filesystem (KFS)
org.apache.hadoop.fs.s3	A distributed, block-based implementation of FileSystem that uses Amazon S3 as a backing store.
org.apache.hadoop.fs.s3native	A distributed implementation of FileSystem for reading and writing files on Amazon S3.
org.apache.hadoop.fs.shell
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.io.compress
org.apache.hadoop.io.file.tfile
org.apache.hadoop.util	Common utilities.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.conf

Class and Description
Path Names a file or directory in a FileSystem.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.fs

Class and Description
AbstractFileSystem This class provides an interface for implementors of a Hadoop file system (analogous to the VFS of Unix).
BlockLocation
ChecksumFileSystem Abstract Checksumed FileSystem.
ContentSummary Store the summary of a content (a directory or a file).
CreateFlag CreateFlag specifies the file create semantic.
FileAlreadyExistsException Used when target file already exists for any operation and is not configured to be overwritten.
FileChecksum An abstract class representing file checksums for files.
FileContext The FileContext class provides an interface to the application writer for using the Hadoop file system.
FileContext.Util Utility/library methods built over the basic FileContext methods.
FileStatus Interface that represents the client side information for a file.
FileSystem An abstract base class for a fairly generic filesystem.
FileSystem.Statistics
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.
FSDataInputStream Utility that wraps a FSInputStream in a DataInputStream and buffers input through a BufferedInputStream.
FSDataOutputStream Utility that wraps a OutputStream in a DataOutputStream, buffers output through a BufferedOutputStream and creates a checksum file.
FsServerDefaults Provides server default configuration values to clients.
FsShellPermissions.Chown Used to change owner and/or group of files
FsStatus This class is used to represent the capacity, free and used space on a FileSystem.
HardLink Class for creating hardlinks.
HardLink.LinkStats HardLink statistics counters and methods.
HardLink.OSType
LocalFileSystem Implement the FileSystem API for the checksumed local filesystem.
LocatedFileStatus This class defines a FileStatus that includes a file's block locations.
Options.ChecksumOpt This is used in FileSystem and FileContext to specify checksum options.
Options.CreateOpts Class to support the varargs for create() options.
Options.CreateOpts.BlockSize
Options.CreateOpts.BufferSize
Options.CreateOpts.BytesPerChecksum This is not needed if ChecksumParam is specified.
Options.CreateOpts.ChecksumParam
Options.CreateOpts.CreateParent
Options.CreateOpts.Perms
Options.CreateOpts.ReplicationFactor
Options.Rename Enum to support the varargs for rename() options
ParentNotDirectoryException Indicates that the parent of specified Path is not a directory as expected.
Path Names a file or directory in a FileSystem.
PathFilter
PositionedReadable Stream that permits positional reading.
RemoteIterator An iterator over a collection whose elements need to be fetched remotely
Seekable Stream that permits seeking.
Syncable This interface for flush/sync operation.
TrashPolicy This interface is used for implementing different Trash policies.
UnsupportedFileSystemException File system for a given file system name/scheme is not supported

Classes in org.apache.hadoop.fs used by org.apache.hadoop.fs.ftp

Class and Description
FileStatus Interface that represents the client side information for a file.
FileSystem An abstract base class for a fairly generic filesystem.
FSDataInputStream Utility that wraps a FSInputStream in a DataInputStream and buffers input through a BufferedInputStream.
FSDataOutputStream Utility that wraps a OutputStream in a DataOutputStream, buffers output through a BufferedOutputStream and creates a checksum file.
Path Names a file or directory in a FileSystem.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.fs.kfs

Class and Description
BlockLocation
FileStatus Interface that represents the client side information for a file.
FileSystem An abstract base class for a fairly generic filesystem.
FSDataInputStream Utility that wraps a FSInputStream in a DataInputStream and buffers input through a BufferedInputStream.
FSDataOutputStream Utility that wraps a OutputStream in a DataOutputStream, buffers output through a BufferedOutputStream and creates a checksum file.
Path Names a file or directory in a FileSystem.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.fs.s3

Class and Description
FileStatus Interface that represents the client side information for a file.
FileSystem An abstract base class for a fairly generic filesystem.
FSDataInputStream Utility that wraps a FSInputStream in a DataInputStream and buffers input through a BufferedInputStream.
FSDataOutputStream Utility that wraps a OutputStream in a DataOutputStream, buffers output through a BufferedOutputStream and creates a checksum file.
Path Names a file or directory in a FileSystem.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.fs.s3native

Class and Description
FileStatus Interface that represents the client side information for a file.
FileSystem An abstract base class for a fairly generic filesystem.
FSDataInputStream Utility that wraps a FSInputStream in a DataInputStream and buffers input through a BufferedInputStream.
FSDataOutputStream Utility that wraps a OutputStream in a DataOutputStream, buffers output through a BufferedOutputStream and creates a checksum file.
Path Names a file or directory in a FileSystem.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.fs.shell

Class and Description
Path Names a file or directory in a FileSystem.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.fs.viewfs

Class and Description
AbstractFileSystem This class provides an interface for implementors of a Hadoop file system (analogous to the VFS of Unix).
BlockLocation
ContentSummary Store the summary of a content (a directory or a file).
CreateFlag CreateFlag specifies the file create semantic.
FileAlreadyExistsException Used when target file already exists for any operation and is not configured to be overwritten.
FileChecksum An abstract class representing file checksums for files.
FileStatus Interface that represents the client side information for a file.
FileSystem An abstract base class for a fairly generic filesystem.
FSDataInputStream Utility that wraps a FSInputStream in a DataInputStream and buffers input through a BufferedInputStream.
FSDataOutputStream Utility that wraps a OutputStream in a DataOutputStream, buffers output through a BufferedOutputStream and creates a checksum file.
FsServerDefaults Provides server default configuration values to clients.
FsStatus This class is used to represent the capacity, free and used space on a FileSystem.
Options.ChecksumOpt This is used in FileSystem and FileContext to specify checksum options.
ParentNotDirectoryException Indicates that the parent of specified Path is not a directory as expected.
Path Names a file or directory in a FileSystem.
RemoteIterator An iterator over a collection whose elements need to be fetched remotely
UnsupportedFileSystemException File system for a given file system name/scheme is not supported

Classes in org.apache.hadoop.fs used by org.apache.hadoop.io

Class and Description
CreateFlag CreateFlag specifies the file create semantic.
FileContext The FileContext class provides an interface to the application writer for using the Hadoop file system.
FileSystem An abstract base class for a fairly generic filesystem.
FSDataInputStream Utility that wraps a FSInputStream in a DataInputStream and buffers input through a BufferedInputStream.
FSDataOutputStream Utility that wraps a OutputStream in a DataOutputStream, buffers output through a BufferedOutputStream and creates a checksum file.
Options.CreateOpts Class to support the varargs for create() options.
Path Names a file or directory in a FileSystem.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.io.compress

Class and Description
Path Names a file or directory in a FileSystem.
Seekable Stream that permits seeking.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.io.file.tfile

Class and Description
FSDataInputStream Utility that wraps a FSInputStream in a DataInputStream and buffers input through a BufferedInputStream.
FSDataOutputStream Utility that wraps a OutputStream in a DataOutputStream, buffers output through a BufferedOutputStream and creates a checksum file.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.util

Class and Description
FSDataInputStream Utility that wraps a FSInputStream in a DataInputStream and buffers input through a BufferedInputStream.
FSDataOutputStream Utility that wraps a OutputStream in a DataOutputStream, buffers output through a BufferedOutputStream and creates a checksum file.
Path Names a file or directory in a FileSystem.