org.apache.storm.security.auth

Interface IGroupMappingServiceProvider

All Known Implementing Classes:

FixedGroupsMapping, ShellBasedGroupsMapping

public interface IGroupMappingServiceProvider

Method Summary

Modifier and Type	Method and Description
Set<String>	getGroups(String user) Get all various group memberships of a given user.
void	prepare(Map<String,Object> topoConf) Invoked once immediately after construction.

Method Detail

prepare

void prepare(Map<String,Object> topoConf)

Invoked once immediately after construction.

Parameters:

topoConf - Storm configuration

getGroups

Set<String> getGroups(String user)
               throws IOException

Get all various group memberships of a given user. Returns EMPTY list in case of non-existing user.

Parameters:

user - User's name

Returns:

group memberships of user

Throws:

IOException