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 the credentials

Constructor Summary

Constructors

Constructor and Description
HCatCredentialHelper()

Method Summary

Modifier and Type	Method and Description
org.apache.hive.hcatalog.api.HCatClient	getHCatClient(org.apache.hadoop.conf.Configuration launcherConfig, String principal, String server) Getting the HCat client.
void	set(org.apache.hadoop.security.Credentials credentials, org.apache.hadoop.conf.Configuration launcherConfig, String principal, String server) This Function will set the HCat token to the credentials

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.security.Credentials credentials,
                org.apache.hadoop.conf.Configuration launcherConfig,
                String principal,
                String server)
         throws Exception

This Function will set the HCat token to the credentials

Parameters:

credentials - - the credentials

launcherConfig - - launcher configuration

principal - - principal for HCat server

server - - Serevr URI for HCat server

Throws:

Exception

getHCatClient

public org.apache.hive.hcatalog.api.HCatClient getHCatClient(org.apache.hadoop.conf.Configuration launcherConfig,
                                                             String principal,
                                                             String server)
                                                      throws org.apache.hive.hcatalog.common.HCatException

Getting the HCat client.

Parameters:

launcherConfig -

principal -

server -

Returns:

HCatClient

Throws:

org.apache.hive.hcatalog.common.HCatException