| 接口 | 说明 |
|---|---|
| HasFileDescriptor |
Having a FileDescriptor
|
| PathFilter | |
| PositionedReadable |
Stream that permits positional reading.
|
| Seekable |
Stream that permits seeking.
|
| Syncable |
This interface declare the sync() operation.
|
| 类 | 说明 |
|---|---|
| BlockLocation | |
| BufferedFSInputStream |
A class optimizes reading from FSInputStream by bufferring
|
| ChecksumFileSystem |
Abstract Checksumed FileSystem.
|
| CommonConfigurationKeys |
This class contains constants for configuration keys used
in the common code.
|
| ContentSummary |
Store the summary of a content (a directory or a file).
|
| DF |
Filesystem disk space usage statistics.
|
| DU |
Filesystem disk space usage statistics.
|
| 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.
|
| FileSystem.Statistics | |
| FileUtil |
A collection of file-processing util methods
|
| 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. |
| FSInputChecker |
This is a generic input stream for verifying checksums for
data before it is read by a user.
|
| FSInputStream |
FSInputStream is a generic old InputStream with a little bit
of RAF-style seek ability.
|
| FSOutputSummer |
This is a generic output stream for generating checksums for
data before it is written to the underlying stream
|
| FsShell |
Provide command line access to a FileSystem.
|
| FsUrlStreamHandlerFactory |
Factory for URL stream handlers.
|
| GlobPattern |
A class for POSIX glob pattern with brace expansions.
|
| HardLink |
Class for creating hardlinks.
|
| HardLink.LinkStats |
HardLink statistics counters and methods.
|
| HarFileSystem |
This is an implementation of the Hadoop Archive
Filesystem.
|
| InMemoryFileSystem | 已过时 |
| LocalDirAllocator |
An implementation of a round-robin scheme for disk allocation for creating
files.
|
| LocalFileSystem |
Implement the FileSystem API for the checksumed local filesystem.
|
| MD5MD5CRC32FileChecksum |
MD5 of MD5 of CRC32.
|
| Path |
Names a file or directory in a
FileSystem. |
| RawLocalFileSystem |
Implement the FileSystem API for the raw local filesystem.
|
| Trash |
Provides a trash feature.
|
| 枚举 | 说明 |
|---|---|
| HardLink.OSType |
| 异常错误 | 说明 |
|---|---|
| ChecksumException |
Thrown for checksum errors.
|
| FileAlreadyExistsException |
Used when target file already exists for any operation and
is not configured to be overwritten.
|
| 错误 | 说明 |
|---|---|
| FSError |
Thrown for unexpected filesystem errors, presumed to reflect disk errors
in the native filesystem.
|
Copyright © 2009 The Apache Software Foundation