public ExtendedIterator<Domain> executeBindings(
List<Stage> outStages, NamedGraphMap args, Node[] nodes) {
Mapping map = new Mapping(nodes);
ArrayList<Stage> stages = new ArrayList<Stage>();
addStages(stages, args, map);
if (constraint.isComplex()) stages.add(new ConstraintStage(map, constraint));
outStages.addAll(stages);
variableCount = map.size();
return filter(connectStages(stages, variableCount));
}
public int size() {
return parent.size();
}