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  1. Flink
  2. FLINK-2857

Gelly API improvements

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      During the Flink Forward Gelly School training, I got some really valuable feedback from participants on what they found hard to grasp or non-intuitive in the API.

      Based on that, I propose we make the following improvements:

      • rename the mapper in creation methods to VertexInitializer, so that its purpose is easier to understand.
      • add a fromTuple2DataSet method to easily create graphs from Tuple2 datasets, i.e. edges with no values.
      • in joinWith* methods, it is hard to understand what are the parameters in the mapper and what will be the output. I suggest we flatten them, try to give intuitive names and improve the javadocs.
      • in neighborhood methods, it is hard to understand what are the arguments of the EdgeFunction.iterateEdges and ReduceEdgesFunction.reduceEdges. Javadocs and parameter names could be improved here too.

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            • Assignee:
              vkalavri Vasia Kalavri
              Reporter:
              vkalavri Vasia Kalavri
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