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Date: Fri, 4 Nov 2011 10:53:00 +0000 (UTC)
From: "Claudio Martella (Commented) (JIRA)" <jira@apache.org>
To: giraph-dev@incubator.apache.org
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Subject: [jira] [Commented] (GIRAPH-47) Export Worker's Context/State to
 vertices through pre/post/Application/Superstep
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    [ https://issues.apache.org/jira/browse/GIRAPH-47?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13143907#comment-13143907 ] 

Claudio Martella commented on GIRAPH-47:
----------------------------------------

Ok, I'm syncing with trunk and removing the previous pre/post/Superstep/Application.

Two questions:

- do we still want WorkerContext.preApplication() to throw InstantiationException and IllegalAccessException
- does it still make sense to keep the RepresentativeVertex to just pass the graphState at each superstep?
                
> Export Worker's Context/State to vertices through pre/post/Application/Superstep
> --------------------------------------------------------------------------------
>
>                 Key: GIRAPH-47
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-47
>             Project: Giraph
>          Issue Type: Improvement
>          Components: graph
>    Affects Versions: 0.70.0
>            Reporter: Claudio Martella
>            Assignee: Claudio Martella
>         Attachments: GIRAPH-47.diff
>
>
> It would be quite useful for vertices to reach some worker-related information stored i.e. in the GraphState class.
> This information could be exported as a parameter to pre/post/Application/Superstep like this:
> public void preApplication(Configurable workerObject);
> public void postApplication(Configurable workerObject);
> public void preSuperstep(Configurable workerObject);
> public void postSuperstep(Configurable workerObject);
> public Configurable getWorkerObject();
> Another possibility is to add a Context inner class to BasicVertex to store this information.

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