throw new OrderingConstraintException("Constraint [" + constraint + "] selects no detectors");
return;
	private void createConstraintEdges(			ConstraintGraph result,			Set<DetectorNode> earlierSet,			Set<DetectorNode> laterSet, DetectorOrderingConstraint constraint) throws OrderingConstraintException {				if (earlierSet.isEmpty() || laterSet.isEmpty())			throw new OrderingConstraintException("Constraint [" + constraint + "] selects no detectors");				for (Iterator<DetectorNode> i = earlierSet.iterator(); i.hasNext();) {			DetectorNode earlier = i.next();			for (Iterator<DetectorNode> j = laterSet.iterator(); j.hasNext();) {				DetectorNode later = j.next();				result.createEdge(earlier, later);			}		}	}