+ public static Variable stateVariable(ReadGraph graph, Variable self) throws DatabaseException {\r
+ Variable session = graph.syncRequest(new ProxySessionRequest(self));\r
+ if (session == null)\r
+ throw new DatabaseException("No state for " + self.getURI(graph));\r
+ return session.getPossibleChild(graph, "__scl__");\r
+ }\r
+ \r