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org.apache.oozie.service
Class UserGroupInformationService

java.lang.Object
  org.apache.oozie.service.UserGroupInformationService

All Implemented Interfaces:

Service

public class UserGroupInformationService
extends Object
implements Service

Field Summary

Fields inherited from interface org.apache.oozie.service.Service

CONF_PREFIX, DEFAULT_LOCK_TIMEOUT, lockTimeout, USE_XCOMMAND

Constructor Summary

UserGroupInformationService()

Method Summary

void	destroy() Destroy the service.
Class<? extends Service>	getInterface() Return the public interface of the service.
org.apache.hadoop.security.UserGroupInformation	getProxyUser(String user)
void	init(Services services) Initialize the service.

Methods inherited from class java.lang.Object

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

Constructor Detail

UserGroupInformationService

public UserGroupInformationService()

Method Detail

init

public void init(Services services)
          throws ServiceException

Description copied from interface: Service

Initialize the service.

Invoked by the Service singleton at start up time.

Specified by:

init in interface Service

Parameters:

services - services singleton initializing the service.

Throws:

ServiceException - thrown if the service could not initialize.

destroy

public void destroy()

Description copied from interface: Service

Destroy the service.

Invoked by the Service singleton at shutdown time.

Specified by:

destroy in interface Service

getInterface

public Class<? extends Service> getInterface()

Description copied from interface: Service

Return the public interface of the service.

Services are retrieved by its public interface. Specializations of services must return the public interface.

Specified by:

getInterface in interface Service

Returns:

the interface of the service.

getProxyUser

public org.apache.hadoop.security.UserGroupInformation getProxyUser(String user)
                                                             throws IOException

Throws:

IOException