nTriplesParserTest = new NTriplesParserTest();
nTriplesParserTest.init();
UriRef graphUri = new UriRef("http://example.com/");
TcManager tcManager = TcManager.getInstance();
if (tcManager.listMGraphs().contains(graphUri)) {
tcManager.deleteTripleCollection(graphUri);
}
graph = tcManager.createMGraph(graphUri);
sp = new StreamProcessor(NTriplesParser.connect(ClerezzaSink.connect(graph)));
}