DatasetGraphTxn dsgTxn2 = sConn2.begin(ReadWrite.READ) ;
if ( nonTxnData )
assertTrue(dsgTxn2.contains(q)) ;
assertTrue(dsgTxn2.contains(q1)) ;
dsgTxn2.end() ;
// Check API methods work.
Dataset ds = TDBFactory.createDataset(loc) ;
ds.begin(ReadWrite.READ) ;
Model m = (q.isDefaultGraph() ? ds.getDefaultModel() : ds.getNamedModel("g")) ;