Github user shghatge commented on the pull request:
https://github.com/apache/flink/pull/892#issuecomment-128866366
I made some of the changes mentioned. But there was a problem in replacing
the getTriplets() and flatMap. When I use this method
private static final class ReduceN implements
NeighborsFunctionWithVertexValue<Long,Tuple2<Double, HashSet<Long>> ,Double,
Tuple3<Long, Long, Double>> {
@Override
public void iterateNeighbors(
Vertex<Long, Tuple2<Double, HashSet<Long>>>
vertex,
Iterable<Tuple2<Edge<Long, Double>,
Vertex<Long, Tuple2<Double, HashSet<Long>>>>> neighbors,
Collector<Tuple3<Long, Long, Double>> out)
throws Exception {
for(Tuple2<Edge<Long, Double>, Vertex<Long,
Tuple2<Double, HashSet<Long>>>> neighbor : neighbors) {
HashSet<Long> intersection =
vertex.getValue().f1;
intersection.retainAll(neighbor.f1.getValue().f1);
for(long l : intersection) {
System.out.println(neighbor.f1.getId()+" "+l);
out.collect(new Tuple3<Long,
Long, Double>(neighbor.f1.getId(), l, vertex.getValue().f0));
}
}
}
}
For some reason the
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