this.repository = repository;
this.client = client;
URIFactory uf = repository.getURIFactory();
LiteralFactory lf = repository.getLiteralFactory();
HTTPBNodeFactory bf = new HTTPBNodeFactory(client.bnodes());
this.vf = new ValueFactoryImpl(bf, uf, lf);
this.creatorTrace = debugEnabled() ? new Throwable() : null;
}