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From Martin Junghanns <m.jungha...@mailbox.org>
Subject Re: VertexUpdateFunction
Date Mon, 29 May 2017 17:38:20 GMT
Hi Ali :)

You could compute the degrees beforehand (e.g. using the 
Graph.[in|out|get]degrees()) methods and use the resulting dataset as a 
new vertex dataset. You can now run your vertex-centric computation and 
access the degrees as vertex value.



On 29.05.2017 09:28, rostami@informatik.uni-leipzig.de wrote:
> Hi,
> I want to write an iterative algorithm using Gelly (spargel), like:
> https://ci.apache.org/projects/flink/flink-docs-release-0.8/spargel_guide.html 
> My question is how I can access the actual vertex information like the 
> vertex degree (in- or outdegree)
> under the subclass of VertexUpdateFunction. A way is maybe to send an 
> instance of graph to the constructor.
> However, getting the degree for a vertex in each instance of this 
> subclass would be really inefficient.
> Thanks,
> Ali

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