org.apache.hadoop.fs.permission

类 PermissionStatus

java.lang.Object

org.apache.hadoop.fs.permission.PermissionStatus

所有已实现的接口:

Writable

public class PermissionStatus
extends Object
implements Writable

Store permission related information.

构造器概要

构造器

构造器和说明
PermissionStatus(String user, String group, FsPermission permission) Constructor

方法概要

方法

限定符和类型	方法和说明
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.

从类继承的方法 java.lang.Object

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

构造器详细资料

PermissionStatus

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

Constructor

方法详细资料

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.

另请参阅:

FsPermission.applyUMask(FsPermission)

readFields

public void readFields(DataInput in)
                throws IOException

Deserialize the fields of this object from in.

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

指定者:

readFields 在接口中 Writable

参数:

in - DataInput to deseriablize this object from.

抛出:

IOException

write

public void write(DataOutput out)
           throws IOException

Serialize the fields of this object to out.

指定者:

write 在接口中 Writable

参数:

out - DataOuput to serialize this object into.

抛出:

IOException

read

public static PermissionStatus read(DataInput in)
                             throws IOException

Create and initialize a PermissionStatus from DataInput.

抛出:

IOException

write

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

Serialize a PermissionStatus from its base components.

抛出:

IOException

toString

public String toString()

覆盖:

toString 在类中 Object