backtype.storm.security.auth

Class DefaultPrincipalToLocal

java.lang.Object

backtype.storm.security.auth.DefaultPrincipalToLocal

All Implemented Interfaces:

IPrincipalToLocal

public class DefaultPrincipalToLocal
extends Object
implements IPrincipalToLocal

Storm can be configured to launch worker processed as a given user. Some transports need to map the Principal to a local user name.

Constructor Summary

Constructors

Constructor and Description
DefaultPrincipalToLocal()

Method Summary

Methods

Modifier and Type	Method and Description
void	prepare(Map storm_conf) Invoked once immediately after construction
String	toLocal(Principal principal) Convert a Principal to a local user name.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultPrincipalToLocal

public DefaultPrincipalToLocal()

Method Detail

prepare

public void prepare(Map storm_conf)

Invoked once immediately after construction

Specified by:

prepare in interface IPrincipalToLocal

Parameters:

conf - Storm configuration

toLocal

public String toLocal(Principal principal)

Convert a Principal to a local user name.

Specified by:

toLocal in interface IPrincipalToLocal

Parameters:

principal - the principal to convert

Returns:

The local user name.