messages.coGroup(iteration.getSolutionSet()).where(0).equalTo(0).with(updateUdf);
DeltaIteration.SolutionSetPlaceHolder<D> solutionSetPlaceHolder = iterationHead.getSolutionSet(); DeltaIteration.WorksetPlaceHolder<W> worksetPlaceHolder = iterationHead.getWorkset();
public static DataSet<Tuple2<Long, Double>> constructPlan(DataSet<Tuple2<Long, Double>> initialData, int numIterations) { DeltaIteration<Tuple2<Long, Double>, Tuple2<Long, Double>> iteration = initialData.iterateDelta(initialData, numIterations, 0); DataSet<Tuple2<Long, Double>> delta = iteration.getSolutionSet() .join(iteration.getWorkset().flatMap(new Duplicator())).where(0).equalTo(0).with(new SummingJoin()).name(JOIN_1) .groupBy(0).aggregate(Aggregations.MIN, 1).map(new Expander()) .join(iteration.getSolutionSet()).where(0).equalTo(0).with(new SummingJoinProject()).name(JOIN_2); DataSet<Tuple2<Long, Double>> changes = delta.groupBy(0).aggregate(Aggregations.SUM, 1); DataSet<Tuple2<Long, Double>> result = iteration.closeWith(delta, changes); return result; }
.join(iteration.getSolutionSet()).where(0).equalTo(0) .with(new ComponentIdFilter());
.join(iteration.getSolutionSet()).where(0).equalTo(0) .with(new ComponentIdFilter());
candidatesDependencies.join(iteration.getSolutionSet()).where(0).equalTo(0) .with(new NeighborWithComponentIDJoin()) .groupBy(0).reduceGroup(new MinimumReduce()); verticesWithNewComponents.join(iteration.getSolutionSet()).where(0).equalTo(0) .flatMap(new MinimumIdFilter());