# Hierarchy For Package org.apache.hadoop.mapreduce.v2.api

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.hadoop.security.token.TokenIdentifier (implements org.apache.hadoop.io.Writable)
    - org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier
      - org.apache.hadoop.mapreduce.v2.api.MRDelegationTokenIdentifier
  - org.apache.hadoop.security.token.TokenRenewer
    - org.apache.hadoop.security.token.Token.TrivialRenewer
      - org.apache.hadoop.mapreduce.v2.api.MRDelegationTokenIdentifier.Renewer

## Interface Hierarchy

- org.apache.hadoop.tools.GetUserMappingsProtocol
  - org.apache.hadoop.mapreduce.v2.api.HSAdminProtocol (also extends org.apache.hadoop.mapreduce.v2.api.HSAdminRefreshProtocol, org.apache.hadoop.security.RefreshUserMappingsProtocol)
- org.apache.hadoop.mapreduce.v2.api.HSAdminRefreshProtocol
  - org.apache.hadoop.mapreduce.v2.api.HSAdminProtocol (also extends org.apache.hadoop.tools.GetUserMappingsProtocol, org.apache.hadoop.security.RefreshUserMappingsProtocol)
- org.apache.hadoop.mapreduce.v2.hs.proto.HSAdminRefreshProtocolProtos.HSAdminRefreshProtocolService.BlockingInterface
  - org.apache.hadoop.mapreduce.v2.api.HSAdminRefreshProtocolPB
- org.apache.hadoop.mapreduce.v2.api.MRClientProtocol
  - org.apache.hadoop.mapreduce.v2.api.HSClientProtocol
- org.apache.hadoop.yarn.proto.MRClientProtocol.MRClientProtocolService.BlockingInterface
  - org.apache.hadoop.mapreduce.v2.api.MRClientProtocolPB
    - org.apache.hadoop.yarn.proto.HSClientProtocol.HSClientProtocolService.BlockingInterface
      - org.apache.hadoop.mapreduce.v2.api.HSClientProtocolPB
- org.apache.hadoop.security.RefreshUserMappingsProtocol
  - org.apache.hadoop.mapreduce.v2.api.HSAdminProtocol (also extends org.apache.hadoop.tools.GetUserMappingsProtocol, org.apache.hadoop.mapreduce.v2.api.HSAdminRefreshProtocol)

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