org.apache.hadoop.hdfs.protocol

Class HdfsNamedFileStatus

java.lang.Object

org.apache.hadoop.fs.FileStatus

org.apache.hadoop.hdfs.protocol.HdfsNamedFileStatus

All Implemented Interfaces:

ObjectInputValidation, Serializable, Comparable<Object>, org.apache.hadoop.hdfs.protocol.HdfsFileStatus, org.apache.hadoop.io.Writable

public class HdfsNamedFileStatus
extends org.apache.hadoop.fs.FileStatus
implements org.apache.hadoop.hdfs.protocol.HdfsFileStatus

HDFS metadata for an entity in the filesystem without locations. Note that symlinks and directories are returned as HdfsLocatedFileStatus for backwards compatibility.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.fs.FileStatus

org.apache.hadoop.fs.FileStatus.AttrFlags

Nested classes/interfaces inherited from interface org.apache.hadoop.hdfs.protocol.HdfsFileStatus

HdfsFileStatus.Flags

Field Summary

Fields inherited from class org.apache.hadoop.fs.FileStatus

NONE

Fields inherited from interface org.apache.hadoop.hdfs.protocol.HdfsFileStatus

EMPTY_NAME

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o)
int	getChildrenNum()
org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy	getErasureCodingPolicy() Get the erasure coding policy if it's set.
org.apache.hadoop.fs.FileEncryptionInfo	getFileEncryptionInfo() Get metadata for encryption, if present.
long	getFileId() Inode ID for this entity, if a file.
byte[]	getLocalNameInBytes() Get the Java UTF8 representation of the local name.
byte	getStoragePolicy()
org.apache.hadoop.fs.Path	getSymlink() See FileStatus.getSymlink().
byte[]	getSymlinkInBytes() Opaque referant for the symlink, to be resolved at the client.
int	hashCode()
boolean	isSymlink() See FileStatus.isSymlink().
void	setGroup(String group) See FileStatus.setGroup(String).
void	setOwner(String owner) See FileStatus.setOwner(String).
void	setPermission(org.apache.hadoop.fs.permission.FsPermission permission) See FileStatus.setPermission(FsPermission).
void	setSymlink(org.apache.hadoop.fs.Path sym) See FileStatus.setSymlink(Path sym).

Methods inherited from class org.apache.hadoop.fs.FileStatus

attributes, compareTo, compareTo, getAccessTime, getBlockSize, getGroup, getLen, getModificationTime, getOwner, getPath, getPermission, getReplication, hasAcl, isDir, isDirectory, isEncrypted, isErasureCoded, isFile, isSnapshotEnabled, readFields, setPath, toString, validateObject, write

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.hadoop.hdfs.protocol.HdfsFileStatus

compareTo, convert, convert, getAccessTime, getBlockSize, getFullName, getFullPath, getGroup, getLen, getLocalName, getModificationTime, getOwner, getPath, getPermission, getReplication, hasAcl, isDir, isDirectory, isEmptyLocalName, isEncrypted, isErasureCoded, isFile, isSnapshotEnabled, makeQualified, setPath

Methods inherited from interface org.apache.hadoop.io.Writable

readFields, write

Methods inherited from interface java.lang.Comparable

compareTo

Methods inherited from interface java.io.ObjectInputValidation

validateObject

Method Detail

setOwner

public void setOwner(String owner)

Description copied from interface: org.apache.hadoop.hdfs.protocol.HdfsFileStatus

See FileStatus.setOwner(String).

Specified by:

setOwner in interface org.apache.hadoop.hdfs.protocol.HdfsFileStatus

Overrides:

setOwner in class org.apache.hadoop.fs.FileStatus

setGroup

public void setGroup(String group)

Description copied from interface: org.apache.hadoop.hdfs.protocol.HdfsFileStatus

See FileStatus.setGroup(String).

Specified by:

setGroup in interface org.apache.hadoop.hdfs.protocol.HdfsFileStatus

Overrides:

setGroup in class org.apache.hadoop.fs.FileStatus

isSymlink

public boolean isSymlink()

Description copied from interface: org.apache.hadoop.hdfs.protocol.HdfsFileStatus

See FileStatus.isSymlink().

Specified by:

isSymlink in interface org.apache.hadoop.hdfs.protocol.HdfsFileStatus

Overrides:

isSymlink in class org.apache.hadoop.fs.FileStatus

getSymlink

public org.apache.hadoop.fs.Path getSymlink()
                                     throws IOException

Description copied from interface: org.apache.hadoop.hdfs.protocol.HdfsFileStatus

See FileStatus.getSymlink().

Specified by:

getSymlink in interface org.apache.hadoop.hdfs.protocol.HdfsFileStatus

Overrides:

getSymlink in class org.apache.hadoop.fs.FileStatus

Throws:

IOException

setPermission

public void setPermission(org.apache.hadoop.fs.permission.FsPermission permission)

Description copied from interface: org.apache.hadoop.hdfs.protocol.HdfsFileStatus

See FileStatus.setPermission(FsPermission).

Specified by:

setPermission in interface org.apache.hadoop.hdfs.protocol.HdfsFileStatus

Overrides:

setPermission in class org.apache.hadoop.fs.FileStatus

getLocalNameInBytes

public byte[] getLocalNameInBytes()

Get the Java UTF8 representation of the local name.

Specified by:

getLocalNameInBytes in interface org.apache.hadoop.hdfs.protocol.HdfsFileStatus

Returns:

the local name in java UTF8

setSymlink

public void setSymlink(org.apache.hadoop.fs.Path sym)

Description copied from interface: org.apache.hadoop.hdfs.protocol.HdfsFileStatus

See FileStatus.setSymlink(Path sym).

Specified by:

setSymlink in interface org.apache.hadoop.hdfs.protocol.HdfsFileStatus

Overrides:

setSymlink in class org.apache.hadoop.fs.FileStatus

getSymlinkInBytes

public byte[] getSymlinkInBytes()

Opaque referant for the symlink, to be resolved at the client.

Specified by:

getSymlinkInBytes in interface org.apache.hadoop.hdfs.protocol.HdfsFileStatus

getFileId

public long getFileId()

Description copied from interface: org.apache.hadoop.hdfs.protocol.HdfsFileStatus

Inode ID for this entity, if a file.

Specified by:

getFileId in interface org.apache.hadoop.hdfs.protocol.HdfsFileStatus

Returns:

inode ID.

getFileEncryptionInfo

public org.apache.hadoop.fs.FileEncryptionInfo getFileEncryptionInfo()

Description copied from interface: org.apache.hadoop.hdfs.protocol.HdfsFileStatus

Get metadata for encryption, if present.

Specified by:

getFileEncryptionInfo in interface org.apache.hadoop.hdfs.protocol.HdfsFileStatus

Returns:

the FileEncryptionInfo for this stream, or null if not encrypted.

getErasureCodingPolicy

public org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy getErasureCodingPolicy()

Get the erasure coding policy if it's set.

Specified by:

getErasureCodingPolicy in interface org.apache.hadoop.hdfs.protocol.HdfsFileStatus

Returns:

the erasure coding policy

getChildrenNum

public int getChildrenNum()

Specified by:

getChildrenNum in interface org.apache.hadoop.hdfs.protocol.HdfsFileStatus

Returns:

number of children for this inode.

getStoragePolicy

public byte getStoragePolicy()

Specified by:

getStoragePolicy in interface org.apache.hadoop.hdfs.protocol.HdfsFileStatus

Returns:

the storage policy id

equals

public boolean equals(Object o)

Overrides:

equals in class org.apache.hadoop.fs.FileStatus

hashCode

public int hashCode()

Overrides:

hashCode in class org.apache.hadoop.fs.FileStatus