Package | Description |
---|---|
org.apache.hadoop.conf |
Configuration of system parameters.
|
org.apache.hadoop.fs |
An abstract file system API.
|
org.apache.hadoop.fs.crypto | |
org.apache.hadoop.fs.ftp | |
org.apache.hadoop.fs.http |
Filesystem implementations that allow Hadoop to read directly from
HTTP / HTTPS endpoints.
|
org.apache.hadoop.fs.impl |
This package contains implementation classes for use inside
filesystems.
|
org.apache.hadoop.fs.protocolPB |
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.
|
org.apache.hadoop.fs.sftp |
SFTP FileSystem package.
|
org.apache.hadoop.fs.shell.find | |
org.apache.hadoop.fs.statistics |
This package contains support for statistic collection and reporting.
|
org.apache.hadoop.fs.statistics.impl |
Implementation support for statistics.
|
org.apache.hadoop.fs.store |
This package is for classes to be shared across object stores; for internal
use within the hadoop-* modules only.
|
org.apache.hadoop.fs.viewfs |
ViewFileSystem and ViewFileSystemOverloadScheme classes.
|
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.metrics2.sink |
Builtin metrics sinks
|
org.apache.hadoop.security | |
org.apache.hadoop.util |
Common utilities.
|
org.apache.hadoop.util.functional |
Support for functional programming within the Hadoop APIs.
|
Class and Description |
---|
Path
Names a file or directory in a
FileSystem . |
Class and Description |
---|
Abortable
Abort data being written to a stream, so that close() does
not write the data.
|
Abortable.AbortableResult
Interface for the result of aborts; allows subclasses to extend
(IOStatistics etc) or for future enhancements if ever needed.
|
AbstractFileSystem
This class provides an interface for implementors of a Hadoop file system
(analogous to the VFS of Unix).
|
BatchedRemoteIterator.BatchedEntries |
BlockLocation
Represents the network location of a block, information about the hosts
that contain block replicas, and other block metadata (E.g.
|
BlockStoragePolicySpi
A storage policy specifies the placement of block replicas on specific
storage types.
|
ByteBufferPositionedReadable
Implementers of this interface provide a positioned read API that writes to a
ByteBuffer rather than a byte[] . |
ByteBufferReadable
Implementers of this interface provide a read API that writes to a
ByteBuffer, not a byte[].
|
CanSetDropBehind |
CanSetReadahead |
CanUnbuffer
FSDataInputStreams implement this interface to indicate that they can clear
their buffers on request.
|
ChecksumFileSystem
Abstract Checksumed FileSystem.
|
ContentSummary
Store the summary of a content (a directory or a file).
|
ContentSummary.Builder
We don't use generics.
|
CreateFlag
CreateFlag specifies the file create semantic.
|
DelegationTokenRenewer.Renewable
The renewable interface used by the renewer.
|
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 for users of 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.
|
FileStatus.AttrFlags
Flags for entity attributes.
|
FileSystem
An abstract base class for a fairly generic filesystem.
|
FileSystem.Statistics
Tracks statistics about how many reads, writes, and so forth have been
done in a FileSystem.
|
FileSystem.Statistics.StatisticsData
Statistics data.
|
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. |
FSBuilder
The base interface which various FileSystem FileContext Builder
interfaces can extend, and which underlying implementations
will then implement.
|
FSDataInputStream
Utility that wraps a
FSInputStream in a DataInputStream
and buffers input through a BufferedInputStream . |
FSDataOutputStream
Utility that wraps a
OutputStream in a DataOutputStream . |
FSDataOutputStreamBuilder
Builder for
FSDataOutputStream and its subclasses. |
FSProtos.FileStatusProto
FileStatus encoding.
|
FSProtos.FileStatusProto.Builder
FileStatus encoding.
|
FSProtos.FileStatusProto.FileType
Protobuf enum
hadoop.fs.FileStatusProto.FileType |
FSProtos.FileStatusProto.Flags
Protobuf enum
hadoop.fs.FileStatusProto.Flags |
FSProtos.FileStatusProtoOrBuilder |
FSProtos.FsPermissionProto
Protobuf type
hadoop.fs.FsPermissionProto |
FSProtos.FsPermissionProto.Builder
Protobuf type
hadoop.fs.FsPermissionProto |
FSProtos.FsPermissionProtoOrBuilder |
FSProtos.LocalFileSystemPathHandleProto
Placeholder type for consistent basic FileSystem operations.
|
FSProtos.LocalFileSystemPathHandleProto.Builder
Placeholder type for consistent basic FileSystem operations.
|
FSProtos.LocalFileSystemPathHandleProtoOrBuilder |
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 . |
FutureDataInputStreamBuilder
Builder for input streams and subclasses whose return value is
actually a completable future: this allows for better asynchronous
operation.
|
GetSpaceUsed |
GetSpaceUsed.Builder
The builder class
|
GlobalStorageStatistics
Stores global storage statistics objects.
|
GlobalStorageStatistics.StorageStatisticsProvider
A callback API for creating new StorageStatistics instances.
|
HardLink
Class for creating hardlinks.
|
HardLink.LinkStats
HardLink statistics counters and methods.
|
InvalidPathHandleException
Thrown when the constraints enoded in a
PathHandle do not hold. |
LocalFileSystem
Implement the FileSystem API for the checksumed local filesystem.
|
LocatedFileStatus
This class defines a FileStatus that includes a file's block locations.
|
MultipartUploader
MultipartUploader is an interface for copying files multipart and across
multiple nodes.
|
MultipartUploaderBuilder
Builder interface for Multipart readers.
|
Options.ChecksumCombineMode
Enum for indicating what mode to use when combining chunk and block
checksums to define an aggregate FileChecksum.
|
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.Progress |
Options.CreateOpts.ReplicationFactor |
Options.HandleOpt
Options for creating
PathHandle references. |
Options.HandleOpt.Data
Option storing standard constraints on data.
|
Options.HandleOpt.Location
Option storing standard constraints on location.
|
Options.Rename
Enum to support the varargs for rename() options
|
ParentNotDirectoryException
Indicates that the parent of specified Path is not a directory
as expected.
|
PartHandle
Opaque, serializable reference to a part id for multipart uploads.
|
PartialListing
A partial listing of the children of a parent directory.
|
Path
Names a file or directory in a
FileSystem . |
PathCapabilities
The Path counterpoint to
StreamCapabilities ; a query to see if,
a FileSystem/FileContext instance has a specific capability under the given
path. |
PathExistsException
Exception corresponding to File Exists - EEXISTS
|
PathFilter |
PathHandle
Opaque, serializable reference to an entity in the FileSystem.
|
PathIOException
Exceptions based on standard posix/linux style exceptions for path related
errors.
|
PositionedReadable
Stream that permits positional reading.
|
QuotaUsage
Store the quota usage of a directory.
|
QuotaUsage.Builder
Builder class for QuotaUsage.
|
ReadOption
Options that can be used when reading from a FileSystem.
|
RemoteIterator
An iterator over a collection whose elements need to be fetched remotely
|
Seekable
Stream that permits seeking.
|
StorageStatistics
StorageStatistics contains statistics data for a FileSystem or FileContext
instance.
|
StorageStatistics.LongStatistic
A 64-bit storage statistic.
|
StorageType
Defines the types of supported storage media.
|
StreamCapabilities
Interface to query streams for supported capabilities.
|
StreamCapabilities.StreamCapability
Deprecated.
|
Syncable
This is the interface for flush/sync operations.
|
TrashPolicy
This interface is used for implementing different Trash policies.
|
UnsupportedFileSystemException
File system for a given file system name/scheme is not supported
|
UploadHandle
Opaque, serializable reference to an uploadId for multipart uploads.
|
XAttrCodec
The value of
XAttr is byte[], this class is to
covert byte[] to some kind of string representation or convert back. |
XAttrSetFlag |
Class and Description |
---|
Abortable
Abort data being written to a stream, so that close() does
not write the data.
|
ByteBufferPositionedReadable
Implementers of this interface provide a positioned read API that writes to a
ByteBuffer rather than a byte[] . |
ByteBufferReadable
Implementers of this interface provide a read API that writes to a
ByteBuffer, not a byte[].
|
CanSetDropBehind |
CanSetReadahead |
CanUnbuffer
FSDataInputStreams implement this interface to indicate that they can clear
their buffers on request.
|
FSDataInputStream
Utility that wraps a
FSInputStream in a DataInputStream
and buffers input through a BufferedInputStream . |
FSDataOutputStream
Utility that wraps a
OutputStream in a DataOutputStream . |
PositionedReadable
Stream that permits positional reading.
|
Seekable
Stream that permits seeking.
|
StreamCapabilities
Interface to query streams for supported capabilities.
|
Syncable
This is the interface for flush/sync operations.
|
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 . |
Path
Names a file or directory in a
FileSystem . |
PathCapabilities
The Path counterpoint to
StreamCapabilities ; a query to see if,
a FileSystem/FileContext instance has a specific capability under the given
path. |
Class and Description |
---|
FileSystem
An abstract base class for a fairly generic filesystem.
|
PathCapabilities
The Path counterpoint to
StreamCapabilities ; a query to see if,
a FileSystem/FileContext instance has a specific capability under the given
path. |
Class and Description |
---|
AbstractFileSystem
This class provides an interface for implementors of a Hadoop file system
(analogous to the VFS of Unix).
|
CreateFlag
CreateFlag specifies the file create semantic.
|
FileContext
The FileContext class provides an interface for users of the Hadoop
file system.
|
FileStatus
Interface that represents the client side information for a file.
|
FileSystem
An abstract base class for a fairly generic filesystem.
|
FSBuilder
The base interface which various FileSystem FileContext Builder
interfaces can extend, and which underlying implementations
will then implement.
|
FutureDataInputStreamBuilder
Builder for input streams and subclasses whose return value is
actually a completable future: this allows for better asynchronous
operation.
|
MultipartUploader
MultipartUploader is an interface for copying files multipart and across
multiple nodes.
|
MultipartUploaderBuilder
Builder interface for Multipart readers.
|
Options.ChecksumOpt
This is used in FileSystem and FileContext to specify checksum options.
|
PartHandle
Opaque, serializable reference to a part id for multipart uploads.
|
Path
Names a file or directory in a
FileSystem . |
PathHandle
Opaque, serializable reference to an entity in the FileSystem.
|
UploadHandle
Opaque, serializable reference to an uploadId for multipart uploads.
|
Class and Description |
---|
FileStatus
Interface that represents the client side information for a file.
|
FSProtos.FileStatusProto
FileStatus encoding.
|
FSProtos.FsPermissionProto
Protobuf type
hadoop.fs.FsPermissionProto |
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 . |
Path
Names a file or directory in a
FileSystem . |
PathCapabilities
The Path counterpoint to
StreamCapabilities ; a query to see if,
a FileSystem/FileContext instance has a specific capability under the given
path. |
Class and Description |
---|
FileStatus
Interface that represents the client side information for a file.
|
FileSystem
An abstract base class for a fairly generic filesystem.
|
Path
Names a file or directory in a
FileSystem . |
Class and Description |
---|
StreamCapabilities
Interface to query streams for supported capabilities.
|
Syncable
This is the interface for flush/sync operations.
|
Class and Description |
---|
StorageStatistics
StorageStatistics contains statistics data for a FileSystem or FileContext
instance.
|
StorageStatistics.LongStatistic
A 64-bit storage statistic.
|
Class and Description |
---|
FileChecksum
An abstract class representing file checksums for files.
|
Class and Description |
---|
AbstractFileSystem
This class provides an interface for implementors of a Hadoop file system
(analogous to the VFS of Unix).
|
BlockLocation
Represents the network location of a block, information about the hosts
that contain block replicas, and other block metadata (E.g.
|
BlockStoragePolicySpi
A storage policy specifies the placement of block replicas on specific
storage types.
|
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 . |
FsServerDefaults
Provides server default configuration values to clients.
|
FsStatus
This class is used to represent the capacity, free and used space on a
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.
|
ParentNotDirectoryException
Indicates that the parent of specified Path is not a directory
as expected.
|
Path
Names a file or directory in a
FileSystem . |
PathCapabilities
The Path counterpoint to
StreamCapabilities ; a query to see if,
a FileSystem/FileContext instance has a specific capability under the given
path. |
PathFilter |
QuotaUsage
Store the quota usage of a directory.
|
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
|
XAttrSetFlag |
Class and Description |
---|
CreateFlag
CreateFlag specifies the file create semantic.
|
FileContext
The FileContext class provides an interface for users of 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 . |
Options.CreateOpts
Class to support the varargs for create() options.
|
Path
Names a file or directory in a
FileSystem . |
StreamCapabilities
Interface to query streams for supported capabilities.
|
Syncable
This is the interface for flush/sync operations.
|
Class and Description |
---|
Path
Names a file or directory in a
FileSystem . |
Seekable
Stream that permits seeking.
|
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 . |
Class and Description |
---|
FileSystem
An abstract base class for a fairly generic filesystem.
|
Path
Names a file or directory in a
FileSystem . |
Class and Description |
---|
FileSystem
An abstract base class for a fairly generic filesystem.
|
Path
Names a file or directory in a
FileSystem . |
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 . |
Path
Names a file or directory in a
FileSystem . |
Class and Description |
---|
RemoteIterator
An iterator over a collection whose elements need to be fetched remotely
|
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