public void AddListAndKeepingReferenceToStart()
{
var rdf = new RdfData(new NodeFactory());
var g = rdf.GetGraph(rdf.Uri("graph:/g1"))
.Update
.Let(out var graphId);
//(http://www.snee.com/bobdc.blog/2014/04/rdf-lists-and-sparql.html)
// x:sub rdfs:first "one"
// x.sub rdfs:rest _:1
// _:1 rdfs:first "two"
// _:1 rdfs:rest _:2
// _:2 rdfs:first "three"
// _:2 rdfs:rest rsf:nil
g.For(rdf.Uri("x:sub"))
.Let(out var listStart)
.List(rdf.New("one"), rdf.New("two"), rdf.New("three"))
.With(rdf.Uri("x:p")).Add(rdf.New("Extra data on last item"))
//And jump back to starting subject.
.ThenFor(listStart);
var listModel = new RdfsList(rdf, rdf.GetGraph(graphId));
var items = listModel.GetList(listStart)
.ToList();
Assert.AreEqual(3, items.Count, "Got 3 items from list");
Assert.AreEqual("two", items[1].Value <string>(), "2nd is as expected");
}
private void GetMyFavorites()
{
var rdf = RdfDataFactory.CreateNoLock();
var g = rdf.GetFullGraph(_myProfile);
new NTripleFile(_data)
.Read(g)
.Wait();
//the list of favs.
var favsList = g.Query
.For(g.Id)
.With(g.Uri("app:favorites"))
.GetBlanks()
.First();
//get list items.
var myFavorites = new RdfsList(rdf, g)
.GetList(favsList).ToArray();
Assert.IsTrue(myFavorites.Length > 0, "Got some favorites");
}
