@InterfaceAudience.Public @InterfaceStability.Evolving public class KerberosDelegationTokenAuthenticator extends DelegationTokenAuthenticator
KerberosDelegationTokenAuthenticator provides support for
 Kerberos SPNEGO authentication mechanism and support for Hadoop Delegation
 Token operations.
 
 It falls back to the PseudoDelegationTokenAuthenticator if the HTTP
 endpoint does not trigger a SPNEGO authenticationDELEGATION_PARAM, DELEGATION_TOKEN_HEADER, DELEGATION_TOKEN_JSON, DELEGATION_TOKEN_URL_STRING_JSON, OP_PARAM, RENEW_DELEGATION_TOKEN_JSON, RENEWER_PARAM, TOKEN_PARAM| コンストラクタと説明 | 
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| KerberosDelegationTokenAuthenticator() | 
authenticate, cancelDelegationToken, cancelDelegationToken, getDelegationToken, getDelegationToken, renewDelegationToken, renewDelegationToken, setConnectionConfiguratorpublic KerberosDelegationTokenAuthenticator()
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