org.apache.hadoop.fs.permission

Class PermissionStatus

java.lang.Object

org.apache.hadoop.fs.permission.PermissionStatus

All Implemented Interfaces:

Writable

@InterfaceAudience.LimitedPrivate(value={"HDFS","MapReduce"})
@InterfaceStability.Unstable
public class PermissionStatus
extends Object
implements Writable

Store permission related information.

Constructor Summary

Constructors

Constructor and Description
PermissionStatus(String user, String group, FsPermission permission) Constructor

Method Summary

Methods

Modifier and Type	Method and Description
PermissionStatus	applyUMask(FsPermission umask) Apply umask.
static PermissionStatus	createImmutable(String user, String group, FsPermission permission) Create an immutable PermissionStatus object.
String	getGroupName() Return group name
FsPermission	getPermission() Return permission
String	getUserName() Return user name
static PermissionStatus	read(DataInput in) Create and initialize a PermissionStatus from DataInput.
void	readFields(DataInput in) Deserialize the fields of this object from in.
String	toString()
void	write(DataOutput out) Serialize the fields of this object to out.
static void	write(DataOutput out, String username, String groupname, FsPermission permission) Serialize a PermissionStatus from its base components.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

PermissionStatus

public PermissionStatus(String user,
                String group,
                FsPermission permission)

Constructor

Method Detail

createImmutable

public static PermissionStatus createImmutable(String user,
                               String group,
                               FsPermission permission)

Create an immutable PermissionStatus object.

getUserName

public String getUserName()

Return user name

getGroupName

public String getGroupName()

Return group name

getPermission

public FsPermission getPermission()

Return permission

applyUMask

public PermissionStatus applyUMask(FsPermission umask)

Apply umask.

See Also:

FsPermission.applyUMask(FsPermission)

readFields

public void readFields(DataInput in)
                throws IOException

Description copied from interface: Writable

Deserialize the fields of this object from in.

For efficiency, implementations should attempt to re-use storage in the existing object where possible.

Specified by:

readFields in interface Writable

Parameters:

in - DataInput to deseriablize this object from.

Throws:

IOException

write

public void write(DataOutput out)
           throws IOException

Description copied from interface: Writable

Serialize the fields of this object to out.

Specified by:

write in interface Writable

Parameters:

out - DataOuput to serialize this object into.

Throws:

IOException

read

public static PermissionStatus read(DataInput in)
                             throws IOException

Create and initialize a PermissionStatus from DataInput.

Throws:

IOException

write

public static void write(DataOutput out,
         String username,
         String groupname,
         FsPermission permission)
                  throws IOException

Serialize a PermissionStatus from its base components.

Throws:

IOException

toString

public String toString()

Overrides:

toString in class Object