org.apache.oozie.action.hadoop
Class HCatCredentialHelper

java.lang.Object
  org.apache.oozie.action.hadoop.HCatCredentialHelper

public class HCatCredentialHelper
extends Object

Helper class to handle the HCat credentials Performs internally the heavy-lifting of fetching delegation tokens from Hive Metastore, abstracted from the user Token is added to jobConf

Constructor Summary

HCatCredentialHelper()

Method Summary

org.apache.hadoop.hive.metastore.HiveMetaStoreClient	getHCatClient(String principal, String server) Getting the HCat client.
void	set(org.apache.hadoop.mapred.JobConf launcherJobConf, String principal, String server) This Function will set the HCat token to jobconf

Methods inherited from class java.lang.Object

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

Constructor Detail

HCatCredentialHelper

public HCatCredentialHelper()

Method Detail

set

public void set(org.apache.hadoop.mapred.JobConf launcherJobConf,
                String principal,
                String server)
         throws Exception

This Function will set the HCat token to jobconf

Parameters:

launcherJobConf - - job conf

principal - - principal for HCat server

server - - Serevr URI for HCat server

Throws:

Exception

getHCatClient

public org.apache.hadoop.hive.metastore.HiveMetaStoreClient getHCatClient(String principal,
                                                                          String server)
                                                                   throws org.apache.hadoop.hive.metastore.api.MetaException

Getting the HCat client.

Parameters:

principal -

server -

Returns:

HiveMetaStoreClient

Throws:

org.apache.hadoop.hive.metastore.api.MetaException