ObjectIdRelationshipFilter filter = new ObjectIdRelationshipFilter();
runtime.getDataDomain().addFilter(filter);
runtime.getDataDomain().getEntityResolver().getCallbackRegistry().addListener(
filter);
DBHelper dbHelper = new DBHelper(runtime.getDataSource(null));
rootTable = new TableHelper(dbHelper, "UUID_ROOT1").setColumns("ID", "UUID");
rootTable.deleteAll();
e1Table = new TableHelper(dbHelper, "E1").setColumns("ID");