Vasia Kalavri created FLINK-1523:
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Summary: Vertex-centric iteration extensions
Key: FLINK-1523
URL: https://issues.apache.org/jira/browse/FLINK-1523
Project: Flink
Issue Type: Improvement
Components: Gelly
Reporter: Vasia Kalavri
We would like to make the following extensions to the vertex-centric iterations
of Gelly:
- allow vertices to access their in/out degrees and the total number of
vertices of the graph, inside the iteration.
- allow choosing the neighborhood type (in/out/all) over which to run the
vertex-centric iteration. Now, the model uses the updates of the in-neighbors
to calculate state and send messages to out-neighbors. We could add a parameter
with value "in/out/all" to the {{VertexUpdateFunction}} and
{{MessagingFunction}}, that would indicate the type of neighborhood.
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