Ejemplo n.º 1
0
 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));
 }
Ejemplo n.º 2
0
 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);
   }
 }
Ejemplo n.º 3
0
 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;
 }