org.apache.hadoop.hive.llap.security

Class LlapTokenClient

java.lang.Object

org.apache.hadoop.hive.llap.security.LlapTokenClient

public class LlapTokenClient
extends Object

Constructor Summary

Constructors

Constructor and Description
LlapTokenClient(org.apache.hadoop.conf.Configuration conf)

Method Summary

Modifier and Type	Method and Description
org.apache.hadoop.security.token.Token<LlapTokenIdentifier>	getDelegationToken(String appId)
LlapTokenClient	withCurrentToken(org.apache.hadoop.security.token.Token<LlapTokenIdentifier> token) An initial token can be set with this method.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

LlapTokenClient

public LlapTokenClient(org.apache.hadoop.conf.Configuration conf)

Method Detail

getDelegationToken

public org.apache.hadoop.security.token.Token<LlapTokenIdentifier> getDelegationToken(String appId)
                                                                               throws IOException

Throws:

IOException

withCurrentToken

public LlapTokenClient withCurrentToken(org.apache.hadoop.security.token.Token<LlapTokenIdentifier> token)

An initial token can be set with this method. A typical path is LlapTaskCommunicator -- LlapProtocolClientProxy::initPeriodicTokenRefresh. If the LlapTaskCommunicator is instantiated an initial token, it can be used for subsequent calls, even for fetching new tokens.