Alessandro Presta created GIRAPH-240:
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Summary: Our vertices shouldn't accept null ids or values
Key: GIRAPH-240
URL: https://issues.apache.org/jira/browse/GIRAPH-240
Project: Giraph
Issue Type: Bug
Components: graph
Reporter: Alessandro Presta
I may be missing something, but I don't understand why HashMapVertex and
EdgeListVertex (and possibly others) check for null vertexId and vertexValue
instead of complaining.
Shouldn't each vertex be forced to have an id and a value? It's a source of
potential bugs (see the serialization code that has to check for null and
read/write a boolean flag) and I don't see the logic.
If one doesn't want vertex/edge values at all there's always NullWritable.
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