Package org.apache.storm.security.auth

Class ShellBasedGroupsMapping

java.lang.Object

org.apache.storm.security.auth.ShellBasedGroupsMapping

All Implemented Interfaces:

IGroupMappingServiceProvider

public class ShellBasedGroupsMapping
extends Object
implements IGroupMappingServiceProvider

Field Summary

Fields

Modifier and Type	Field	Description
RotatingMap<String,Set<String>>	cachedGroups
static final org.slf4j.Logger	LOG

Constructor Summary

Constructors

Constructor	Description
ShellBasedGroupsMapping()

Method Summary

Modifier and Type	Method	Description
Set<String>	getGroups(String user)	Returns list of groups for a user.
void	prepare(Map<String,Object> topoConf)	Invoked once immediately after construction.

Methods inherited from class java.lang.Object

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

Field Details

LOG

public static final org.slf4j.Logger LOG

cachedGroups

public RotatingMap<String,Set<String>> cachedGroups

Constructor Details

ShellBasedGroupsMapping

public ShellBasedGroupsMapping()

Method Details

prepare

public void prepare(Map<String,Object> topoConf)

Invoked once immediately after construction.

Specified by:

prepare in interface IGroupMappingServiceProvider

Parameters:

topoConf - Storm configuration

getGroups

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

Returns list of groups for a user.

Specified by:

getGroups in interface IGroupMappingServiceProvider

Parameters:

user - get groups for this user

Returns:

list of groups for a given user

Throws:

IOException