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:

org.apache.hadoop.conf.Configurable

@Public
@Unstable
public class SingleUGIResolver
extends UGIResolver
implements org.apache.hadoop.conf.Configurable

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

Field Summary

Fields

Modifier and Type	Field	Description
static java.lang.String	GID
static java.lang.String	GROUP
static java.lang.String	UID
static java.lang.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(java.lang.String name)
void	addUser(java.lang.String name)
org.apache.hadoop.conf.Configuration	getConf()
java.lang.String	group(java.lang.String s)
void	setConf(org.apache.hadoop.conf.Configuration conf)
java.lang.String	user(java.lang.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 Detail

UID

public static final java.lang.String UID

See Also:

Constant Field Values

USER

public static final java.lang.String USER

See Also:

Constant Field Values

GID

public static final java.lang.String GID

See Also:

Constant Field Values

GROUP

public static final java.lang.String GROUP

See Also:

Constant Field Values

Constructor Detail

SingleUGIResolver

public SingleUGIResolver()

Method Detail

setConf

public void setConf(org.apache.hadoop.conf.Configuration conf)

Specified by:

setConf in interface org.apache.hadoop.conf.Configurable

getConf

public org.apache.hadoop.conf.Configuration getConf()

Specified by:

getConf in interface org.apache.hadoop.conf.Configurable

user

public java.lang.String user(java.lang.String s)

Overrides:

user in class UGIResolver

group

public java.lang.String group(java.lang.String s)

Overrides:

group in class UGIResolver

addUser

public void addUser(java.lang.String name)

Specified by:

addUser in class UGIResolver

addGroup

public void addGroup(java.lang.String name)

Specified by:

addGroup in class UGIResolver