Martin Junghanns created FLINK-3618:
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Summary: Rename abstract UDF classes in Scatter-Gather
implementation
Key: FLINK-3618
URL: https://issues.apache.org/jira/browse/FLINK-3618
Project: Flink
Issue Type: Improvement
Components: Gelly
Affects Versions: 1.1.0, 1.0.1
Reporter: Martin Junghanns
Priority: Minor
We now offer three Vertex-centric computing abstractions:
* Pregel
* Gather-Sum-Apply
* Scatter-Gather
Each of these abstractions provides abstract classes that need to be
implemented by the user:
* Pregel: {{ComputeFunction}}
* GSA: {{GatherFunction}}, {{SumFunction}}, {{ApplyFunction}}
* Scatter-Gather: {{MessagingFunction}}, {{VertexUpdateFunction}}
In Pregel and GSA, the names of those functions follow the name of the
abstraction or the name suggested in the corresponding papers. For consistency
of the API, I propose to rename {{MessageFunction}} to {{ScatterFunction}} and
{{VertexUpdateFunction}} to {{GatherFunction}}.
Also for consistency, I would like to change the parameter order in
{{Graph.runScatterGatherIteration(VertexUpdateFunction f1, MessagingFunction
f2}} to {{Graph.runScatterGatherIteration(ScatterFunction f1, GatherFunction
f2}} (like in {{Graph.runGatherSumApplyFunction(...)}})
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