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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-1633) Add getTriplets() Gelly method
Date Mon, 23 Mar 2015 11:26:12 GMT

    [ https://issues.apache.org/jira/browse/FLINK-1633?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14375765#comment-14375765

ASF GitHub Bot commented on FLINK-1633:

Github user vasia commented on a diff in the pull request:

    --- Diff: flink-staging/flink-gelly/src/main/java/org/apache/flink/graph/Graph.java ---
    @@ -53,6 +54,7 @@
     import org.apache.flink.graph.utils.Tuple2ToVertexMap;
     import org.apache.flink.graph.utils.Tuple3ToEdgeMap;
     import org.apache.flink.graph.utils.VertexToTuple2Map;
    +import org.apache.flink.graph.utils.Tuple2ToVertexMap;
    --- End diff --
    my bad, it's duplicate

> Add getTriplets() Gelly method
> ------------------------------
>                 Key: FLINK-1633
>                 URL: https://issues.apache.org/jira/browse/FLINK-1633
>             Project: Flink
>          Issue Type: New Feature
>          Components: Gelly
>    Affects Versions: 0.9
>            Reporter: Vasia Kalavri
>            Assignee: Andra Lungu
>            Priority: Minor
>              Labels: starter
> In some graph algorithms, it is required to access the graph edges together with the
vertex values of the source and target vertices. For example, several graph weighting schemes
compute some kind of similarity weights for edges, based on the attributes of the source and
target vertices. This issue proposes adding a convenience Gelly method that generates a DataSet
of <srcVertex, Edge, TrgVertex> triplets from the input graph.

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