Package org.apache.hadoop.hdfs.server.namenode

Class SingleUGIResolver

java.lang.Object

org.apache.hadoop.hdfs.server.namenode.UGIResolver

org.apache.hadoop.hdfs.server.namenode.SingleUGIResolver

All Implemented Interfaces:

Configurable

@Public
@Unstable
public class SingleUGIResolver
extends UGIResolver
implements Configurable

Map all owners/groups in external system to a single user in FSImage.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	GID
static final String	GROUP
static final String	UID
static final String	USER

Fields inherited from class org.apache.hadoop.hdfs.server.namenode.UGIResolver

GROUP_STRID_OFFSET, USER_GROUP_STRID_MASK, USER_STRID_OFFSET

Constructor Summary

Constructors

Constructor	Description
SingleUGIResolver()

Method Summary

Modifier and Type	Method	Description
void	addGroup(String name)
void	addUser(String name)
Configuration	getConf()	Return the configuration used by this object.
String	group(String s)
void	setConf(Configuration conf)	Set the configuration to be used by this object.
String	user(String s)

Methods inherited from class org.apache.hadoop.hdfs.server.namenode.UGIResolver

addGroup, addUser, buildPermissionStatus, getPermissionsProto, permission, resetUGInfo, resolve, ugiMap

Methods inherited from class java.lang.Object

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

Field Details

UID

public static final String UID

See Also:

• Constant Field Values

USER

public static final String USER

See Also:

• Constant Field Values

GID

public static final String GID

See Also:

• Constant Field Values

GROUP

public static final String GROUP

See Also:

• Constant Field Values

Constructor Details

SingleUGIResolver

public SingleUGIResolver()

Method Details

setConf

public void setConf(Configuration conf)

Description copied from interface: Configurable

Set the configuration to be used by this object.

Specified by:

setConf in interface Configurable

Parameters:

conf - configuration to be used

getConf

public Configuration getConf()

Description copied from interface: Configurable

Return the configuration used by this object.

Specified by:

getConf in interface Configurable

Returns:

Configuration

user

public String user(String s)

Overrides:

user in class UGIResolver

group

public String group(String s)

Overrides:

group in class UGIResolver

addUser

public void addUser(String name)

Specified by:

addUser in class UGIResolver

addGroup

public void addGroup(String name)

Specified by:

addGroup in class UGIResolver