[jira] [Updated] (GIRAPH-47) Export Worker's Context/State to vertices through pre/post/Application/Superstep

["Claudio Martella (Updated) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/GIRAPH-47?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Claudio Martella updated GIRAPH-47:
-----------------------------------

    Attachment: GIRAPH-47.diff

This basically implements the interface discussed. It also add a nothing-doing WorkerContext (called DumpWorkerContext) and a SimpleVertexWithWorkerContext example. At this point BasicVertex.pre/post/Application/Superstep API could be removed and the user might just use this one. Also, checkpointing of WorkerContext could be discussed.
                
> 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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