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));
}
private void addStages(ArrayList<Stage> stages, NamedGraphMap arguments, Mapping map) {
Iterator<Map.Entry<String, Cons>> it2 = triples.entrySetIterator();
while (it2.hasNext()) {
Map.Entry<String, Cons> e = it2.next();
String name = e.getKey();
Cons nodeTriples = e.getValue();
Graph g = arguments.get(name);
int nBlocks = Cons.size(nodeTriples), i = nBlocks;
Triple[] nodes = new Triple[nBlocks];
while (nodeTriples != null) {
nodes[--i] = nodeTriples.head;
nodeTriples = nodeTriples.tail;
}
nodes = sortTriples(nodes);
Stage next = g.queryHandler().patternStage(map, constraint, nodes);
stages.add(next);
}
}
private Stage connectStages(ArrayList<Stage> stages, int count) {
Stage current = Stage.initial(count);
for (int i = 0; i < stages.size(); i += 1) current = stages.get(i).connectFrom(current);
return current;
}