org.apache.hadoop.hdfs.tools

Class GetGroups

java.lang.Object

org.apache.hadoop.conf.Configured

org.apache.hadoop.tools.GetGroupsBase

org.apache.hadoop.hdfs.tools.GetGroups

All Implemented Interfaces:

Configurable, Tool

@InterfaceAudience.Private
public class GetGroups
extends GetGroupsBase

HDFS implementation of a tool for getting the groups which a given user belongs to.

Constructor Summary

Constructors

Constructor and Description
GetGroups(Configuration conf)
GetGroups(Configuration conf, PrintStream out)

Method Summary

Methods

Modifier and Type	Method and Description
protected InetSocketAddress	getProtocolAddress(Configuration conf) Must be overridden by subclasses to get the address where the GetUserMappingsProtocol implementation is running.
protected GetUserMappingsProtocol	getUgmProtocol() Get a client of the GetUserMappingsProtocol.
static void	main(String[] argv)
void	setConf(Configuration conf) Set the configuration to be used by this object.

Methods inherited from class org.apache.hadoop.tools.GetGroupsBase

run

Methods inherited from class org.apache.hadoop.conf.Configured

getConf

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hadoop.conf.Configurable

getConf

Constructor Detail

GetGroups

public GetGroups(Configuration conf)

GetGroups

public GetGroups(Configuration conf,
         PrintStream out)

Method Detail

getProtocolAddress

protected InetSocketAddress getProtocolAddress(Configuration conf)
                                        throws IOException

Description copied from class: GetGroupsBase

Must be overridden by subclasses to get the address where the GetUserMappingsProtocol implementation is running.

Specified by:

getProtocolAddress in class GetGroupsBase

Parameters:

conf - The configuration to use.

Returns:

The address where the service is listening.

Throws:

IOException

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

Overrides:

setConf in class Configured

getUgmProtocol

protected GetUserMappingsProtocol getUgmProtocol()
                                          throws IOException

Description copied from class: GetGroupsBase

Get a client of the GetUserMappingsProtocol.

Overrides:

getUgmProtocol in class GetGroupsBase

Returns:

A GetUserMappingsProtocol client proxy.

Throws:

IOException

main

public static void main(String[] argv)
                 throws Exception

Throws:

Exception