Avery Ching commented on GIRAPH-47:

Sorry if I wasn't clear, but we could do away with the Configurable 
workerObject and instead have a method in BasicVertex:

WorkerContext getWorkerContext();

While you may be blocked by GIRAPH-36 for your test, you can still try this out 
on the unittests as they do use the pre/post/application/superstep methods 
(i.e. SimplePageRankVertex).  I've modified the interface slightly to give the 
Context at the beginning.

public interface WorkerContext {
    void initialize(Context context); // Called before anything done on this 
    void close(); // Called when worker is done                           
    void preSuperstep(); // Called before compute() on any vertex               
    void postSuperstep(); // Called after all vertices have run compute()       

> 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
> 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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