[jira] [Created] (FLINK-1633) Add getTriplets() Gelly method

[Shang Yuanchun (Jira)]

Vasia Kalavri created FLINK-1633:
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             Summary: 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
            Priority: Minor


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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