org.apache.hadoop.lib.service.security
Class GroupsService

java.lang.Object
  org.apache.hadoop.lib.server.BaseService
      org.apache.hadoop.lib.service.security.GroupsService

All Implemented Interfaces:

Service, Groups

@InterfaceAudience.Private
public class GroupsService
extends BaseService
implements Groups

Constructor Summary

GroupsService()

Method Summary

List<String>	getGroups(String user)
Class	getInterface() Returns the interface implemented by this service.
protected void	init() Initializes the server.

Methods inherited from class org.apache.hadoop.lib.server.BaseService

destroy, getPrefix, getPrefixedName, getServer, getServiceConfig, getServiceDependencies, init, postInit, serverStatusChange

Methods inherited from class java.lang.Object

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

Constructor Detail

GroupsService

public GroupsService()

Method Detail

init

protected void init()
             throws ServiceException

Description copied from class: BaseService

Initializes the server.

This method is called by BaseService.init(Server) after all service properties (properties prefixed with

Specified by:

init in class BaseService

Throws:

ServiceException - thrown if the service could not be initialized.

getInterface

public Class getInterface()

Description copied from interface: Service

Returns the interface implemented by this service. This interface is used the Server when the Server.get(Class) method is used to retrieve a service.

Specified by:

getInterface in interface Service

Returns:

the interface that identifies the service.

getGroups

public List<String> getGroups(String user)
                       throws IOException

Specified by:

getGroups in interface Groups

Throws:

IOException