Rohini Palaniswamy commented on PIG-3038:

bq. Alternative is to have credential related APIs added to EvalFunc, LoadFunc 
and StoreFunc. To deal with backward compatibility in that case, one will have 
to do reflection and determine whether the method is implemented or not and 
then call it which is not that good.
  We went with this approach as we are moving to Java 8 in 0.18 and can do 
default methods.

> Support for Credentials for UDF,Loader and Storer
> -------------------------------------------------
>                 Key: PIG-3038
>                 URL: https://issues.apache.org/jira/browse/PIG-3038
>             Project: Pig
>          Issue Type: New Feature
>    Affects Versions: 0.10.0
>            Reporter: Rohini Palaniswamy
>            Assignee: Satish Subhashrao Saley
>            Priority: Major
>             Fix For: 0.18.0
>   Pig does not have a clean way (APIs) to support adding Credentials (hbase 
> token, hcat/hive metastore token) to Job and retrieving it.

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