| 限定符和类型 | 类和说明 | 
|---|---|
class  | 
BlockTokenSelector
A block token selector for HDFS 
 | 
| 限定符和类型 | 类和说明 | 
|---|---|
class  | 
JobTokenSelector
Look through tokens to find the first job token that matches the service
 and return it. 
 | 
| 限定符和类型 | 类和说明 | 
|---|---|
class  | 
DelegationTokenSelector
A delegation token that is specialized for MapReduce 
 | 
| 限定符和类型 | 类和说明 | 
|---|---|
class  | 
AbstractDelegationTokenSelector<TokenIdent extends AbstractDelegationTokenIdentifier>
Look through tokens to find the first delegation token that matches the
 service and return it. 
 | 
Copyright © 2009 The Apache Software Foundation