IdMappingServiceProvider (Apache Hadoop Common 3.5.0 API)

All Known Implementing Classes:: ShellBasedIdMapping

@Public @Evolving public interface IdMappingServiceProvider

An interface for the implementation of <userId, userName> mapping and <groupId, groupName> mapping.

Method Summary

Modifier and Type

Method

Description

int

getGid(String group)

int

getGidAllowingUnknown(String group)

String

getGroupName(int gid, String unknown)

int

getUid(String user)

int

getUidAllowingUnknown(String user)

String

getUserName(int uid, String unknown)

Method Details
- getUid
  
  int getUid(String user) throws IOException
  
  Throws:
  
  IOException
- getGid
  
  int getGid(String group) throws IOException
  
  Throws:
  
  IOException
- getUserName
  
  String getUserName(int uid, String unknown)
- getGroupName
  
  String getGroupName(int gid, String unknown)
- getUidAllowingUnknown
  
  int getUidAllowingUnknown(String user)
- getGidAllowingUnknown
  
  int getGidAllowingUnknown(String group)