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

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

All Implemented Interfaces:

Service, ProxyUser

@InterfaceAudience.Private
public class ProxyUserService
extends BaseService
implements ProxyUser

Nested Class Summary

static class

ProxyUserService.ERROR

Constructor Summary

ProxyUserService()

Method Summary

Class	getInterface() Returns the interface implemented by this service.
Class[]	getServiceDependencies() Returns the service dependencies of this service.
protected void	init() Initializes the server.
void	validate(String proxyUser, String proxyHost, String doAsUser)

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

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

Methods inherited from class java.lang.Object

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

Constructor Detail

ProxyUserService

public ProxyUserService()

Method Detail

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.

getServiceDependencies

public Class[] getServiceDependencies()

Description copied from class: BaseService

Returns the service dependencies of this service. The service will be instantiated only if all the service dependencies are already initialized.

This method returns an empty array (size 0)

Specified by:

getServiceDependencies in interface Service

Overrides:

getServiceDependencies in class BaseService

Returns:

an empty array (size 0).

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.

validate

public void validate(String proxyUser,
                     String proxyHost,
                     String doAsUser)
              throws IOException,
                     AccessControlException

Specified by:

validate in interface ProxyUser

Throws:

IOException

AccessControlException