FixedGroupsMapping (Storm 2.7.1 API)

java.lang.Object
- org.apache.storm.security.auth.FixedGroupsMapping

All Implemented Interfaces:: IGroupMappingServiceProvider

public class FixedGroupsMapping
extends Object
implements IGroupMappingServiceProvider

Field Summary

Fields
Modifier and Type Field Description

Map<String,Set<String>> cachedGroups

static org.slf4j.Logger LOG

static String STORM_FIXED_GROUP_MAPPING

Constructor Summary

Constructors
Constructor Description

FixedGroupsMapping()

Method Summary

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

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - STORM_FIXED_GROUP_MAPPING
```
public static final String STORM_FIXED_GROUP_MAPPING
```
    See Also:
    
    Constant Field Values
  - LOG
```
public static org.slf4j.Logger LOG
```
  - cachedGroups
```
public Map<String,Set<String>> cachedGroups
```
- Constructor Detail
  - FixedGroupsMapping
```
public FixedGroupsMapping()
```
- Method Detail
  - prepare
```
public void prepare(Map<String,Object> stormConf)
```
    Invoked once immediately after construction.
    
    Specified by:
    
    prepare in interface IGroupMappingServiceProvider
    
    Parameters:
    
    stormConf - 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