context,
contextSet,
	protected NodeSet getDescendants(DocumentSet documents, NodeSet context) {		if (test.getType() == NodeTest.NAME_TEST) {			DBBroker broker = null;			try {				broker = pool.get();				if (buf == null)					buf = (NodeSet) broker.findElementsByTagName(documents, test.getName());				return buf.getDescendants(					context,					ArraySet.DESCENDANT,					axis == Constants.DESCENDANT_SELF_AXIS, inPredicate);			} catch (EXistException e) {				e.printStackTrace();				return null;			} finally {				pool.release(broker);			}		} else {			VirtualNodeSet vset = new VirtualNodeSet(axis, (TypeTest) test, context);			vset.setInPredicate(inPredicate);			return vset;		}	}