| Package | Description |
|---|---|
| org.apache.hadoop.fs |
Implementations of
AbstractFileSystem for hdfs
over rpc and hdfs over web. |
| org.apache.hadoop.fs.viewfs |
ViewFileSystem and ViewFileSystemOverloadScheme classes.
|
| org.apache.hadoop.ha | |
| org.apache.hadoop.hdfs.client |
This package provides the administrative APIs for HDFS.
|
| org.apache.hadoop.mapreduce.v2.hs | |
| org.apache.hadoop.security.authorize |
Support for service-level authorization.
|
| Modifier and Type | Method and Description |
|---|---|
void |
FilterFileSystem.access(Path path,
FsAction mode) |
FSDataOutputStream |
AbstractFileSystem.create(Path f,
EnumSet<CreateFlag> createFlag,
org.apache.hadoop.fs.Options.CreateOpts... opts)
The specification of this method matches that of
FileContext.create(Path, EnumSet, Options.CreateOpts...) except
that the Path f must be fully qualified and the permission is absolute
(i.e. |
FSDataOutputStream |
FileContext.create(Path f,
EnumSet<CreateFlag> createFlag,
org.apache.hadoop.fs.Options.CreateOpts... opts)
Create or overwrite file on indicated path and returns an output stream for
writing into the file.
|
abstract FSDataOutputStream |
AbstractFileSystem.createInternal(Path f,
EnumSet<CreateFlag> flag,
FsPermission absolutePermission,
int bufferSize,
short replication,
long blockSize,
Progressable progress,
org.apache.hadoop.fs.Options.ChecksumOpt checksumOpt,
boolean createParent)
The specification of this method matches that of
AbstractFileSystem.create(Path, EnumSet, Options.CreateOpts...) except that the opts
have been declared explicitly. |
void |
FileContext.createSymlink(Path target,
Path link,
boolean createParent)
Creates a symbolic link to an existing file.
|
void |
FilterFileSystem.createSymlink(Path target,
Path link,
boolean createParent) |
void |
FileSystem.createSymlink(Path target,
Path link,
boolean createParent)
|
abstract boolean |
AbstractFileSystem.delete(Path f,
boolean recursive)
The specification of this method matches that of
FileContext.delete(Path, boolean) except that Path f must be for
this file system. |
boolean |
FileContext.delete(Path f,
boolean recursive)
Delete a file.
|
boolean |
FileContext.deleteOnExit(Path f)
Mark a path to be deleted on JVM shutdown.
|
abstract BlockLocation[] |
AbstractFileSystem.getFileBlockLocations(Path f,
long start,
long len)
The specification of this method matches that of
FileContext.getFileBlockLocations(Path, long, long) except that
Path f must be for this file system. |
abstract FileChecksum |
AbstractFileSystem.getFileChecksum(Path f)
The specification of this method matches that of
FileContext.getFileChecksum(Path) except that Path f must be for
this file system. |
FileChecksum |
FileContext.getFileChecksum(Path f)
Get the checksum of a file.
|
FileStatus |
AbstractFileSystem.getFileLinkStatus(Path f)
The specification of this method matches that of
FileContext.getFileLinkStatus(Path)
except that an UnresolvedLinkException may be thrown if a symlink is
encountered in the path leading up to the final path component. |
FileStatus |
FileContext.getFileLinkStatus(Path f)
Return a file status object that represents the path.
|
FileStatus |
FilterFileSystem.getFileLinkStatus(Path f) |
FileStatus |
FileSystem.getFileLinkStatus(Path f)
|
abstract FileStatus |
AbstractFileSystem.getFileStatus(Path f)
The specification of this method matches that of
FileContext.getFileStatus(Path)
except that an UnresolvedLinkException may be thrown if a symlink is
encountered in the path. |
FileStatus |
FileContext.getFileStatus(Path f)
Return a file status object that represents the path.
|
abstract FsStatus |
AbstractFileSystem.getFsStatus()
The specification of this method matches that of
FileContext.getFsStatus(Path). |
FsStatus |
AbstractFileSystem.getFsStatus(Path f)
The specification of this method matches that of
FileContext.getFsStatus(Path) except that Path f must be for this
file system. |
FsStatus |
FileContext.getFsStatus(Path f)
Returns a status object describing the use and capacity of the
file system denoted by the Parh argument p.
|
Path |
FileContext.getLinkTarget(Path f)
Returns the target of the given symbolic link as it was specified
when the link was created.
|
org.apache.hadoop.fs.RemoteIterator<LocatedFileStatus> |
AbstractFileSystem.listLocatedStatus(Path f)
The specification of this method matches that of
FileContext.listLocatedStatus(Path) except that Path f
must be for this file system. |
org.apache.hadoop.fs.RemoteIterator<LocatedFileStatus> |
FileContext.listLocatedStatus(Path f)
List the statuses of the files/directories in the given path if the path is
a directory.
|
abstract FileStatus[] |
AbstractFileSystem.listStatus(Path f)
The specification of this method matches that of
FileContext.Util.listStatus(Path) except that Path f must be
for this file system. |
org.apache.hadoop.fs.RemoteIterator<FileStatus> |
FileContext.listStatus(Path f)
List the statuses of the files/directories in the given path if the path is
a directory.
|
org.apache.hadoop.fs.RemoteIterator<FileStatus> |
AbstractFileSystem.listStatusIterator(Path f)
The specification of this method matches that of
FileContext.listStatus(Path) except that Path f must be for this
file system. |
abstract void |
AbstractFileSystem.mkdir(Path dir,
FsPermission permission,
boolean createParent)
The specification of this method matches that of
FileContext.mkdir(Path, FsPermission, boolean) except that the Path
f must be fully qualified and the permission is absolute (i.e. |
void |
FileContext.mkdir(Path dir,
FsPermission permission,
boolean createParent)
Make(create) a directory and all the non-existent parents.
|
FSDataInputStream |
AbstractFileSystem.open(Path f)
The specification of this method matches that of
FileContext.open(Path) except that Path f must be for this
file system. |
FSDataInputStream |
FileContext.open(Path f)
Opens an FSDataInputStream at the indicated Path using
default buffersize.
|
abstract FSDataInputStream |
AbstractFileSystem.open(Path f,
int bufferSize)
The specification of this method matches that of
FileContext.open(Path, int) except that Path f must be for this
file system. |
FSDataInputStream |
FileContext.open(Path f,
int bufferSize)
Opens an FSDataInputStream at the indicated Path.
|
void |
AbstractFileSystem.rename(Path src,
Path dst,
org.apache.hadoop.fs.Options.Rename... options)
The specification of this method matches that of
FileContext.rename(Path, Path, Options.Rename...) except that Path
f must be for this file system. |
void |
FileContext.rename(Path src,
Path dst,
org.apache.hadoop.fs.Options.Rename... options)
Renames Path src to Path dst
Fails if src is a file and dst is a directory.
|
abstract void |
AbstractFileSystem.renameInternal(Path src,
Path dst)
The specification of this method matches that of
FileContext.rename(Path, Path, Options.Rename...) except that Path
f must be for this file system and NO OVERWRITE is performed. |
void |
AbstractFileSystem.renameInternal(Path src,
Path dst,
boolean overwrite)
The specification of this method matches that of
FileContext.rename(Path, Path, Options.Rename...) except that Path
f must be for this file system. |
protected Path |
FileContext.resolve(Path f)
Resolves all symbolic links in the specified path.
|
Path |
AbstractFileSystem.resolvePath(Path p)
Return the fully-qualified path of path f resolving the path
through any internal symlinks or mount point
|
Path |
FileContext.resolvePath(Path f)
Resolve the path following any symlinks or mount points
|
abstract void |
AbstractFileSystem.setOwner(Path f,
String username,
String groupname)
The specification of this method matches that of
FileContext.setOwner(Path, String, String) except that Path f must
be for this file system. |
void |
FileContext.setOwner(Path f,
String username,
String groupname)
Set owner of a path (i.e.
|
abstract void |
AbstractFileSystem.setPermission(Path f,
FsPermission permission)
The specification of this method matches that of
FileContext.setPermission(Path, FsPermission) except that Path f
must be for this file system. |
void |
FileContext.setPermission(Path f,
FsPermission permission)
Set permission of a path.
|
abstract boolean |
AbstractFileSystem.setReplication(Path f,
short replication)
The specification of this method matches that of
FileContext.setReplication(Path, short) except that Path f must be
for this file system. |
boolean |
FileContext.setReplication(Path f,
short replication)
Set replication for an existing file.
|
abstract void |
AbstractFileSystem.setTimes(Path f,
long mtime,
long atime)
The specification of this method matches that of
FileContext.setTimes(Path, long, long) except that Path f must be
for this file system. |
void |
FileContext.setTimes(Path f,
long mtime,
long atime)
Set access time of a file.
|
abstract void |
AbstractFileSystem.setVerifyChecksum(boolean verifyChecksum)
The specification of this method matches that of
FileContext.setVerifyChecksum(boolean, Path) except that Path f
must be for this file system. |
void |
FileContext.setVerifyChecksum(boolean verifyChecksum,
Path f)
Set the verify checksum flag for the file system denoted by the path.
|
boolean |
AbstractFileSystem.truncate(Path f,
long newLength)
The specification of this method matches that of
FileContext.truncate(Path, long) except that Path f must be for
this file system. |
boolean |
FileContext.truncate(Path f,
long newLength)
Truncate the file in the indicated path to the indicated size.
|
| Modifier and Type | Method and Description |
|---|---|
void |
ViewFs.access(Path path,
FsAction mode) |
void |
ViewFileSystem.access(Path path,
FsAction mode) |
FSDataOutputStream |
ViewFs.createInternal(Path f,
EnumSet<CreateFlag> flag,
FsPermission absolutePermission,
int bufferSize,
short replication,
long blockSize,
Progressable progress,
org.apache.hadoop.fs.Options.ChecksumOpt checksumOpt,
boolean createParent) |
boolean |
ViewFileSystem.delete(Path f) |
boolean |
ViewFs.delete(Path f,
boolean recursive) |
boolean |
ViewFileSystem.delete(Path f,
boolean recursive) |
BlockLocation[] |
ViewFs.getFileBlockLocations(Path f,
long start,
long len) |
FileChecksum |
ViewFs.getFileChecksum(Path f) |
FileChecksum |
ViewFileSystem.getFileChecksum(Path f) |
FileChecksum |
ViewFileSystem.getFileChecksum(Path f,
long length) |
FileStatus |
ViewFs.getFileLinkStatus(Path f) |
FileStatus |
ViewFs.getFileStatus(Path f)
The specification of this method matches that of
FileContext.getFileStatus(Path)
except that an UnresolvedLinkException may be thrown if a symlink is
encountered in the path. |
FileStatus |
ViewFileSystem.getFileStatus(Path f)
Return a file status object that represents the path.
|
FsStatus |
ViewFs.getFsStatus() |
org.apache.hadoop.fs.RemoteIterator<LocatedFileStatus> |
ViewFs.listLocatedStatus(Path f) |
FileStatus[] |
ViewFs.listStatus(Path f)
The specification of this method matches that of
FileContext.Util.listStatus(Path) except that Path f must be
for this file system. |
FileStatus[] |
ViewFileSystem.listStatus(Path f)
List the statuses of the files/directories in the given path if the path is
a directory.
|
org.apache.hadoop.fs.RemoteIterator<FileStatus> |
ViewFs.listStatusIterator(Path f) |
void |
ViewFs.mkdir(Path dir,
FsPermission permission,
boolean createParent) |
FSDataInputStream |
ViewFs.open(Path f,
int bufferSize) |
FSDataInputStream |
ViewFileSystem.open(Path f,
int bufferSize) |
void |
ViewFs.renameInternal(Path src,
Path dst) |
Path |
ViewFs.resolvePath(Path f) |
void |
ViewFs.setOwner(Path f,
String username,
String groupname) |
void |
ViewFileSystem.setOwner(Path f,
String username,
String groupname) |
void |
ViewFs.setPermission(Path f,
FsPermission permission) |
void |
ViewFileSystem.setPermission(Path f,
FsPermission permission) |
boolean |
ViewFs.setReplication(Path f,
short replication) |
boolean |
ViewFileSystem.setReplication(Path f,
short replication) |
void |
ViewFs.setTimes(Path f,
long mtime,
long atime) |
void |
ViewFileSystem.setTimes(Path f,
long mtime,
long atime) |
void |
ViewFs.setVerifyChecksum(boolean verifyChecksum) |
boolean |
ViewFs.truncate(Path f,
long newLength) |
| Modifier and Type | Method and Description |
|---|---|
org.apache.hadoop.ha.HAServiceStatus |
HAServiceProtocol.getServiceStatus()
Return the current status of the service.
|
void |
HAServiceProtocol.monitorHealth()
Monitor the health of service.
|
void |
HAServiceProtocol.transitionToActive(org.apache.hadoop.ha.HAServiceProtocol.StateChangeRequestInfo reqInfo)
Request service to transition to active state.
|
void |
HAServiceProtocol.transitionToObserver(org.apache.hadoop.ha.HAServiceProtocol.StateChangeRequestInfo reqInfo)
Request service to transition to observer state.
|
void |
HAServiceProtocol.transitionToStandby(org.apache.hadoop.ha.HAServiceProtocol.StateChangeRequestInfo reqInfo)
Request service to transition to standby state.
|
| Modifier and Type | Method and Description |
|---|---|
void |
HdfsAdmin.createEncryptionZone(Path path,
String keyName)
Deprecated.
|
void |
HdfsAdmin.createEncryptionZone(Path path,
String keyName,
EnumSet<CreateEncryptionZoneFlag> flags)
Create an encryption zone rooted at an empty existing directory, using the
specified encryption key.
|
EncryptionZone |
HdfsAdmin.getEncryptionZoneForPath(Path path)
Get the path of the encryption zone for a given file or directory.
|
| Modifier and Type | Method and Description |
|---|---|
protected boolean |
HistoryFileManager.deleteDir(FileStatus serialDir) |
| Modifier and Type | Class and Description |
|---|---|
class |
AuthorizationException
An exception class for authorization-related issues.
|
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