~networked-graphs/networkedgraphs/main

                        if (context instanceof URI) {

                                endpoints = sail.getSourceFinder().get((URI)context);

                                for (URI endpoint: endpoints) {

                                        List<TransactionOperation> endpointTransaction = endpointTransactions.get(endpoint);

                                        if (endpointTransaction == null) {

                                                endpointTransaction = Collections.synchronizedList(new ArrayList<TransactionOperation>());