Package org.apache.hadoop.tools.protocolPB

Class GetUserMappingsProtocolClientSideTranslatorPB

java.lang.Object

org.apache.hadoop.tools.protocolPB.GetUserMappingsProtocolClientSideTranslatorPB

All Implemented Interfaces:

Closeable, AutoCloseable, ProtocolMetaInterface, GetUserMappingsProtocol

public class GetUserMappingsProtocolClientSideTranslatorPB
extends Object
implements ProtocolMetaInterface, GetUserMappingsProtocol, Closeable

Field Summary

Fields inherited from interface org.apache.hadoop.tools.GetUserMappingsProtocol

versionID

Constructor Summary

Constructors

Constructor	Description
GetUserMappingsProtocolClientSideTranslatorPB(GetUserMappingsProtocolPB rpcProxy)

Method Summary

Modifier and Type	Method	Description
void	close()
String[]	getGroupsForUser(String user)	Get the groups which are mapped to the given user.
boolean	isMethodSupported(String methodName)	Checks whether the given method name is supported by the server.

Methods inherited from class java.lang.Object

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

Constructor Details

GetUserMappingsProtocolClientSideTranslatorPB

public GetUserMappingsProtocolClientSideTranslatorPB(GetUserMappingsProtocolPB rpcProxy)

Method Details

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

IOException

getGroupsForUser

public String[] getGroupsForUser(String user)
                          throws IOException

Description copied from interface: GetUserMappingsProtocol

Get the groups which are mapped to the given user.

Specified by:

getGroupsForUser in interface GetUserMappingsProtocol

Parameters:

user - The user to get the groups for.

Returns:

The set of groups the user belongs to.

Throws:

IOException - raised on errors performing I/O.

isMethodSupported

public boolean isMethodSupported(String methodName)
                          throws IOException

Description copied from interface: ProtocolMetaInterface

Checks whether the given method name is supported by the server. It is assumed that all method names are unique for a protocol.

Specified by:

isMethodSupported in interface ProtocolMetaInterface

Parameters:

methodName - The name of the method

Returns:

true if method is supported, otherwise false.

Throws:

IOException - raised on errors performing I/O.