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https://issues.apache.org/jira/browse/FLINK-3618?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Greg Hogan closed FLINK-3618.
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Resolution: Implemented
Implemented in 918e5d0c9dae7a080dcf2505df38af4c655ba6b6
> 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
> Assignee: Greg Hogan
> Priority: Minor
> Fix For: 1.1.0
>
>
> 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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