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From "Bill Graham (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PIG-2664) Allow PPNL impls to get more job info during the run
Date Tue, 01 May 2012 15:49:49 GMT

    [ https://issues.apache.org/jira/browse/PIG-2664?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13265870#comment-13265870
] 

Bill Graham commented on PIG-2664:
----------------------------------

There's also EmbeddedPigStats which is used when Pig is running in embedded mode. It also
subclasses PigStats but throws UnsupportedOperationException exceptions for most of the abstract
methods it implements. We can follow the same approach with an abstract getJobClient() method.

I also don't love the ((SimplePigStats)PigStats.get()).getFoo() approach, but it's the pattern
already in use in PigStatsUtil and other options didn't seem great. I'm ok with moving getJobClient
it to PigStats though. That way we can at least get rid of the cast.
                
> Allow PPNL impls to get more job info during the run
> ----------------------------------------------------
>
>                 Key: PIG-2664
>                 URL: https://issues.apache.org/jira/browse/PIG-2664
>             Project: Pig
>          Issue Type: Improvement
>            Reporter: Bill Graham
>            Assignee: Bill Graham
>         Attachments: PIG-2664.1.patch
>
>
> Implementations of PigProcessNotificationListener don't have access to much job-related
into until after the job is completed. A few minor edits to PigStatsUtil can change that.
> - Expose the JobClient
> - Set an initial JobStats object upon kicking off a job. This makes JobId available to
clients once it's assigned.

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