@Override protected NodeBooleanQuery getTopLevelQuery(final NodeQuery query) { NodeBooleanQuery q = new NodeBooleanQuery(); // set level and node constraints q.setLevelConstraint(query.getLevelConstraint()); q.setNodeConstraint(query.getNodeConstraint()[0], query.getNodeConstraint()[1]); // set ancestor q.setAncestorPointer(query.ancestor); return q; }