How to use

getSolutionSetDelta

method

in

org.apache.flink.api.common.operators.base.DeltaIterationBase

  throw new InvalidProgramException("The delta iteration " + iteration.getName() + " has no initial workset.");
if (iteration.getSolutionSetDelta() == null) {
  throw new InvalidProgramException("The iteration " + iteration.getName() + " has no solution set delta defined (is not closed).");
iteration.getSolutionSetDelta().accept(dynCollector);
iteration.getNextWorkset().accept(dynCollector);
  List<T> solutionSetDelta = (List<T>) execute(iteration.getSolutionSetDelta(), superstep);
  this.intermediateResults.put(iteration.getSolutionSetDelta(), solutionSetDelta);

@Override
public boolean preVisit(Operator<?> visitable) {
  if (this.seen.add(visitable)) {
    // add to  the map
    final String name = visitable.getName();
    List<Operator<?>> list = this.map.get(name);
    if (list == null) {
      list = new ArrayList<Operator<?>>(2);
      this.map.put(name, list);
    }
    list.add(visitable);
    
    // recurse into bulk iterations
    if (visitable instanceof BulkIterationBase) {
      ((BulkIterationBase) visitable).getNextPartialSolution().accept(this);
    } else if (visitable instanceof DeltaIterationBase) {
      ((DeltaIterationBase) visitable).getSolutionSetDelta().accept(this);
      ((DeltaIterationBase) visitable).getNextWorkset().accept(this);
    }
    
    return true;
  } else {
    return false;
  }
}

iter.getSolutionSetDelta().accept(recursiveCreator);
final OptimizerNode solutionSetDeltaNode = recursiveCreator.con2node.get(iter.getSolutionSetDelta());

InnerJoinOperatorBase<?, ?, ?, ?> solutionSetJoin = (InnerJoinOperatorBase<?, ?, ?, ?>) iteration.getSolutionSetDelta();
InnerJoinOperatorBase<?, ?, ?, ?> worksetSelfJoin = (InnerJoinOperatorBase<?, ?, ?, ?>) solutionSetJoin.getFirstInput();
MapOperatorBase<?, ?, ?> worksetMapper = (MapOperatorBase<?, ?, ?>) worksetSelfJoin.getFirstInput();

  throw new InvalidProgramException("The delta iteration " + iteration.getName() + " has no initial workset.");
if (iteration.getSolutionSetDelta() == null) {
  throw new InvalidProgramException("The iteration " + iteration.getName() + " has no solution set delta defined (is not closed).");
iteration.getSolutionSetDelta().accept(dynCollector);
iteration.getNextWorkset().accept(dynCollector);
  List<T> solutionSetDelta = (List<T>) execute(iteration.getSolutionSetDelta(), superstep);
  this.intermediateResults.put(iteration.getSolutionSetDelta(), solutionSetDelta);

  throw new InvalidProgramException("The delta iteration " + iteration.getName() + " has no initial workset.");
if (iteration.getSolutionSetDelta() == null) {
  throw new InvalidProgramException("The iteration " + iteration.getName() + " has no solution set delta defined (is not closed).");
iteration.getSolutionSetDelta().accept(dynCollector);
iteration.getNextWorkset().accept(dynCollector);
  List<T> solutionSetDelta = (List<T>) execute(iteration.getSolutionSetDelta(), superstep);
  this.intermediateResults.put(iteration.getSolutionSetDelta(), solutionSetDelta);

iter.getSolutionSetDelta().accept(recursiveCreator);
final OptimizerNode solutionSetDeltaNode = recursiveCreator.con2node.get(iter.getSolutionSetDelta());

iter.getSolutionSetDelta().accept(recursiveCreator);
final OptimizerNode solutionSetDeltaNode = recursiveCreator.con2node.get(iter.getSolutionSetDelta());

iter.getSolutionSetDelta().accept(recursiveCreator);
final OptimizerNode solutionSetDeltaNode = recursiveCreator.con2node.get(iter.getSolutionSetDelta());

iter.getSolutionSetDelta().accept(recursiveCreator);
final OptimizerNode solutionSetDeltaNode = recursiveCreator.con2node.get(iter.getSolutionSetDelta());