How to use

BulkIterationNode

in

org.apache.flink.optimizer.dag

n = new BulkIterationNode((BulkIterationBase<?>) c);
p.setParallelism(containingIterationNode.getParallelism());
n = p;

final BulkIterationBase<?> iter = iterNode.getIterationContract();
  iterNode.getParallelism(), defaultDataExchangeMode, closure);
iterNode.setPartialSolution(partialSolution);
iterNode.setNextPartialSolution(rootOfStepFunction, terminationCriterion);
StaticDynamicPathIdentifier identifier = new StaticDynamicPathIdentifier(iterNode.getCostWeight());
iterNode.acceptForStepFunction(identifier);

@Override
public void computeUnclosedBranchStack() {
  if (this.openBranches != null) {
    return;
  }
  // the resulting branches are those of the step function
  // because the BulkPartialSolution takes the input's branches
  addClosedBranches(getSingleRootOfStepFunction().closedBranchingNodes);
  List<UnclosedBranchDescriptor> result = getSingleRootOfStepFunction().openBranches;
  this.openBranches = (result == null || result.isEmpty()) ? Collections.<UnclosedBranchDescriptor>emptyList() : result;
}

  @Override
  public void computeUnclosedBranchStack() {
    if (this.openBranches != null) {
      return;
    }

    OptimizerNode inputToIteration = this.iterationNode.getPredecessorNode();
    
    addClosedBranches(inputToIteration.closedBranchingNodes);
    List<UnclosedBranchDescriptor> fromInput = inputToIteration.getBranchesForParent(this.iterationNode.getIncomingConnection());
    this.openBranches = (fromInput == null || fromInput.isEmpty()) ? Collections.<UnclosedBranchDescriptor>emptyList() : fromInput;
  }
}

  ((BulkIterationNode) node).getNextPartialSolution() :
  ((BulkIterationPlanNode) node).getRootOfStepFunction();
((BulkIterationNode) node).getPartialSolution() :
((BulkIterationPlanNode) node).getPartialSolutionPlanNode();

public BulkIterationBase<?> getIterationContract() {
  return (BulkIterationBase<?>) getOperator();
}

@Override
public void computeInterestingPropertiesForInputs(CostEstimator estimator) {
  final InterestingProperties intProps = getInterestingProperties().clone();

if (nextPartialSolution.getParallelism() != getParallelism() ||
  nextPartialSolution == partialSolution || nextPartialSolution instanceof BinaryUnionNode)
  noop.setParallelism(getParallelism());

final int maxNumIterations = bulkNode.getIterationNode().getIterationContract().getMaximumNumberOfIterations();
if (maxNumIterations < 1) {
  throw new CompilerException("Cannot create bulk iteration with unspecified maximum number of iterations.");
AggregatorRegistry aggs = bulkNode.getIterationNode().getIterationContract().getAggregators();
Collection<AggregatorWithName<?>> allAggregators = aggs.getAllRegisteredAggregators();

  @Override
  public void computeUnclosedBranchStack() {
    if (this.openBranches != null) {
      return;
    }

    OptimizerNode inputToIteration = this.iterationNode.getPredecessorNode();
    
    addClosedBranches(inputToIteration.closedBranchingNodes);
    List<UnclosedBranchDescriptor> fromInput = inputToIteration.getBranchesForParent(this.iterationNode.getIncomingConnection());
    this.openBranches = (fromInput == null || fromInput.isEmpty()) ? Collections.<UnclosedBranchDescriptor>emptyList() : fromInput;
  }
}

  ((BulkIterationNode) node).getNextPartialSolution() :
  ((BulkIterationPlanNode) node).getRootOfStepFunction();
((BulkIterationNode) node).getPartialSolution() :
((BulkIterationPlanNode) node).getPartialSolutionPlanNode();

BulkIterationPlanNode node = new BulkIterationPlanNode(this, this.getOperator().getName(), in, pspn, candidate);
GlobalProperties gProps = candidate.getGlobalProperties().clone();
LocalProperties lProps = candidate.getLocalProperties().clone();
for (PlanNode terminationCandidate : terminationCriterionCandidates) {
  if (singleRoot.areBranchCompatible(candidate, terminationCandidate)) {
    BulkIterationPlanNode node = new BulkIterationPlanNode(this, "BulkIteration ("+this.getOperator().getName()+")", in, pspn, candidate, terminationCandidate);
    GlobalProperties gProps = candidate.getGlobalProperties().clone();
    LocalProperties lProps = candidate.getLocalProperties().clone();

@Override
public void computeInterestingPropertiesForInputs(CostEstimator estimator) {
  final InterestingProperties intProps = getInterestingProperties().clone();

if (nextPartialSolution.getParallelism() != getParallelism() ||
  nextPartialSolution == partialSolution || nextPartialSolution instanceof BinaryUnionNode)
  noop.setParallelism(getParallelism());

final int maxNumIterations = bulkNode.getIterationNode().getIterationContract().getMaximumNumberOfIterations();
if (maxNumIterations < 1) {
  throw new CompilerException("Cannot create bulk iteration with unspecified maximum number of iterations.");
AggregatorRegistry aggs = bulkNode.getIterationNode().getIterationContract().getAggregators();
Collection<AggregatorWithName<?>> allAggregators = aggs.getAllRegisteredAggregators();

final BulkIterationBase<?> iter = iterNode.getIterationContract();
  iterNode.getParallelism(), defaultDataExchangeMode, closure);
iterNode.setPartialSolution(partialSolution);
iterNode.setNextPartialSolution(rootOfStepFunction, terminationCriterion);
StaticDynamicPathIdentifier identifier = new StaticDynamicPathIdentifier(iterNode.getCostWeight());
iterNode.acceptForStepFunction(identifier);

@Override
public void computeUnclosedBranchStack() {
  if (this.openBranches != null) {
    return;
  }
  // the resulting branches are those of the step function
  // because the BulkPartialSolution takes the input's branches
  addClosedBranches(getSingleRootOfStepFunction().closedBranchingNodes);
  List<UnclosedBranchDescriptor> result = getSingleRootOfStepFunction().openBranches;
  this.openBranches = (result == null || result.isEmpty()) ? Collections.<UnclosedBranchDescriptor>emptyList() : result;
}

  @Override
  public void computeUnclosedBranchStack() {
    if (this.openBranches != null) {
      return;
    }

    OptimizerNode inputToIteration = this.iterationNode.getPredecessorNode();
    
    addClosedBranches(inputToIteration.closedBranchingNodes);
    List<UnclosedBranchDescriptor> fromInput = inputToIteration.getBranchesForParent(this.iterationNode.getIncomingConnection());
    this.openBranches = (fromInput == null || fromInput.isEmpty()) ? Collections.<UnclosedBranchDescriptor>emptyList() : fromInput;
  }
}

n = new BulkIterationNode((BulkIterationBase<?>) c);
p.setParallelism(containingIterationNode.getParallelism());
n = p;

  ((BulkIterationNode) node).getNextPartialSolution() :
  ((BulkIterationPlanNode) node).getRootOfStepFunction();
((BulkIterationNode) node).getPartialSolution() :
((BulkIterationPlanNode) node).getPartialSolutionPlanNode();