# Hierarchy For Package org.apache.hadoop.crypto.key.kms

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.hadoop.crypto.key.KeyProvider (implements java.io.Closeable)
    - org.apache.hadoop.crypto.key.kms.LoadBalancingKMSClientProvider (implements org.apache.hadoop.crypto.key.KeyProviderCryptoExtension.CryptoExtension, org.apache.hadoop.crypto.key.KeyProviderDelegationTokenExtension.DelegationTokenExtension)
  - org.apache.hadoop.crypto.key.KeyProvider.KeyVersion
    - org.apache.hadoop.crypto.key.kms.KMSClientProvider.KMSKeyVersion
  - org.apache.hadoop.crypto.key.KeyProvider.Metadata
    - org.apache.hadoop.crypto.key.kms.KMSClientProvider.KMSMetadata
  - org.apache.hadoop.crypto.key.KeyProviderCryptoExtension.EncryptedKeyVersion
    - org.apache.hadoop.crypto.key.kms.KMSClientProvider.KMSEncryptedKeyVersion
  - org.apache.hadoop.crypto.key.KeyProviderFactory
    - org.apache.hadoop.crypto.key.kms.KMSClientProvider.Factory
  - org.apache.hadoop.security.token.TokenIdentifier (implements org.apache.hadoop.io.Writable)
    - org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier
      - org.apache.hadoop.security.token.delegation.web.DelegationTokenIdentifier
        - org.apache.hadoop.crypto.key.kms.KMSDelegationToken.KMSDelegationTokenIdentifier
  - org.apache.hadoop.security.token.TokenRenewer
    - org.apache.hadoop.crypto.key.kms.KMSClientProvider.KMSTokenRenewer

## Interface Hierarchy

- org.apache.hadoop.crypto.key.kms.ValueQueue.QueueRefiller<E>

## Enum Hierarchy

- java.lang.Object
  - java.lang.Enum<E> (implements java.lang.Comparable<T>, java.io.Serializable)
    - org.apache.hadoop.crypto.key.kms.ValueQueue.SyncGenerationPolicy

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