| Class and Description | 
|---|
| Path Names a file or directory in a  FileSystem. | 
| Class and Description | 
|---|
| FileStatus Interface that represents the client side information for a file. | 
| Class and Description | 
|---|
| Abortable Abort data being written to  a stream, so that close() does
  not write the data. | 
| 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. | 
| ByteBufferPositionedReadable Implementers of this interface provide a positioned read API that writes to a
  ByteBufferrather than abyte[]. | 
| ByteBufferReadable Implementers of this interface provide a read API that writes to a
 ByteBuffer, not a byte[]. | 
| CacheFlag Specifies semantics for CacheDirective operations. | 
| 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). | 
| 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 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. | 
| FilterFileSystem A  FilterFileSystemcontains
 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  FSInputStreamin aDataInputStreamand buffers input through aBufferedInputStream. | 
| FSDataOutputStream Utility that wraps a  OutputStreamin aDataOutputStream. | 
| FSDataOutputStreamBuilder Builder for  FSDataOutputStreamand its subclasses. | 
| FsServerDefaults Provides server default configuration values to clients. | 
| 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. | 
| GlobalStorageStatistics Stores global storage statistics objects. | 
| LocalFileSystem Implement the FileSystem API for the checksumed local filesystem. | 
| LocatedFileStatus This class defines a FileStatus that includes a file's block locations. | 
| 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. | 
| PathFilter | 
| PathHandle Opaque, serializable reference to an entity in the FileSystem. | 
| PositionedReadable Stream that permits positional reading. | 
| QuotaUsage Store the quota usage of a directory. | 
| ReadOption Options that can be used when reading from a FileSystem. | 
| Seekable Stream that permits seeking. | 
| StorageStatistics StorageStatistics contains statistics data for a FileSystem or FileContext
 instance. | 
| StorageType Defines the types of supported storage media. | 
| StreamCapabilities Interface to query streams for supported capabilities. | 
| 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  XAttris byte[], this class is to 
 covert byte[] to some kind of string representation or convert back. | 
| XAttrSetFlag | 
| Class and Description | 
|---|
| AbstractFileSystem This class provides an interface for implementors of a Hadoop file system
 (analogous to the VFS of Unix). | 
| ContentSummary Store the summary of a content (a directory or a file). | 
| CreateFlag CreateFlag specifies the file create semantic. | 
| 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  FSInputStreamin aDataInputStreamand buffers input through aBufferedInputStream. | 
| FSDataOutputStream Utility that wraps a  OutputStreamin aDataOutputStream. | 
| Path Names a file or directory in a  FileSystem. | 
| 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. | 
| FileAlreadyExistsException Used when target file already exists for any operation and 
 is not configured to be overwritten. | 
| 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  FSInputStreamin aDataInputStreamand buffers input through aBufferedInputStream. | 
| FSDataOutputStream Utility that wraps a  OutputStreamin aDataOutputStream. | 
| Path Names a file or directory in a  FileSystem. | 
| XAttrSetFlag | 
| Class and Description | 
|---|
| FileStatus Interface that represents the client side information for a file. | 
| Path Names a file or directory in a  FileSystem. | 
| Class and Description | 
|---|
| Path Names a file or directory in a  FileSystem. | 
| 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  FSInputStreamin aDataInputStreamand buffers input through aBufferedInputStream. | 
| FSDataOutputStream Utility that wraps a  OutputStreamin aDataOutputStream. | 
| Path Names a file or directory in a  FileSystem. | 
| Class and Description | 
|---|
| 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. | 
| Path Names a file or directory in a  FileSystem. | 
| PathHandle Opaque, serializable reference to an entity in the FileSystem. | 
| Class and Description | 
|---|
| AbstractFileSystem This class provides an interface for implementors of a Hadoop file system
 (analogous to the VFS of Unix). | 
| Class and Description | 
|---|
| Path Names a file or directory in a  FileSystem. | 
| 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  FSInputStreamin aDataInputStreamand buffers input through aBufferedInputStream. | 
| FSDataOutputStream Utility that wraps a  OutputStreamin aDataOutputStream. | 
| Path Names a file or directory in a  FileSystem. | 
| 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  FSInputStreamin aDataInputStreamand buffers input through aBufferedInputStream. | 
| FSDataOutputStream Utility that wraps a  OutputStreamin aDataOutputStream. | 
| 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. | 
| ParentNotDirectoryException Indicates that the parent of specified Path is not a directory
 as expected. | 
| Path Names a file or directory in a  FileSystem. | 
| PathFilter | 
| QuotaUsage Store the quota usage of a directory. | 
| UnsupportedFileSystemException File system for a given file system name/scheme is not supported | 
| XAttrSetFlag | 
| Class and Description | 
|---|
| Abortable Abort data being written to  a stream, so that close() does
  not write the data. | 
| 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
  ByteBufferrather than abyte[]. | 
| ByteBufferReadable Implementers of this interface provide a read API that writes to a
 ByteBuffer, not a byte[]. | 
| CacheFlag Specifies semantics for CacheDirective operations. | 
| CanSetDropBehind | 
| CanSetReadahead | 
| CanUnbuffer FSDataInputStreams implement this interface to indicate that they can clear
 their buffers on request. | 
| FSDataInputStream Utility that wraps a  FSInputStreamin aDataInputStreamand buffers input through aBufferedInputStream. | 
| FSDataOutputStream Utility that wraps a  OutputStreamin aDataOutputStream. | 
| Path Names a file or directory in a  FileSystem. | 
| PositionedReadable Stream that permits positional reading. | 
| Seekable Stream that permits seeking. | 
| StorageType Defines the types of supported storage media. | 
| 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. | 
| Class and Description | 
|---|
| Path Names a file or directory in a  FileSystem. | 
| Class and Description | 
|---|
| Path Names a file or directory in a  FileSystem. | 
| 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 | 
|---|
| 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. | 
| FSDataOutputStream Utility that wraps a  OutputStreamin aDataOutputStream. | 
| Path Names a file or directory in a  FileSystem. | 
| Class and Description | 
|---|
| Path Names a file or directory in a  FileSystem. | 
| Seekable Stream that permits seeking. | 
| Class and Description | 
|---|
| FileSystem An abstract base class for a fairly generic filesystem. | 
| Path Names a file or directory in a  FileSystem. | 
| PathFilter | 
| Class and Description | 
|---|
| FileSystem An abstract base class for a fairly generic filesystem. | 
| Class and Description | 
|---|
| FileSystem An abstract base class for a fairly generic 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 | 
|---|
| BlockLocation Represents the network location of a block, information about the hosts
 that contain block replicas, and other block metadata (E.g. | 
| 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. | 
| PathFilter | 
| Class and Description | 
|---|
| Path Names a file or directory in a  FileSystem. | 
| Class and Description | 
|---|
| Path Names a file or directory in a  FileSystem. | 
| StreamCapabilities Interface to query streams for supported capabilities. | 
| Class and Description | 
|---|
| Path Names a file or directory in a  FileSystem. | 
| StreamCapabilities Interface to query streams for supported capabilities. | 
| 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 | 
|---|
| Path Names a file or directory in a  FileSystem. | 
| Class and Description | 
|---|
| Path Names a file or directory in a  FileSystem. | 
| Class and Description | 
|---|
| 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. | 
| Path Names a file or directory in a  FileSystem. | 
| PathFilter | 
| UnsupportedFileSystemException File system for a given file system name/scheme is not supported | 
| 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 | 
|---|
| FileAlreadyExistsException Used when target file already exists for any operation and 
 is not configured to be overwritten. | 
| Class and Description | 
|---|
| Path Names a file or directory in a  FileSystem. | 
| Class and Description | 
|---|
| Path Names a file or directory in a  FileSystem. | 
| Class and Description | 
|---|
| FSBuilder The base interface which various FileSystem FileContext Builder
 interfaces can extend, and which underlying implementations
 will then implement. | 
| Class and Description | 
|---|
| Path Names a file or directory in a  FileSystem. | 
| Class and Description | 
|---|
| Path Names a file or directory in a  FileSystem. | 
| Class and Description | 
|---|
| 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 | 
|---|
| Path Names a file or directory in a  FileSystem. | 
| Class and Description | 
|---|
| Path Names a file or directory in a  FileSystem. | 
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