public void StorageStardogUpdateNamedGraphRemoveTriples()
{
try
{
//Options.UseBomForUtf8 = false;
StardogConnector stardog = StardogTests.GetConnection();;
Graph g = new Graph();
g.LoadFromEmbeddedResource("VDS.RDF.Configuration.configuration.ttl");
g.BaseUri = new Uri("http://example.org/graph");
stardog.SaveGraph(g);
INode rdfType = g.CreateUriNode(new Uri(VDS.RDF.Parsing.RdfSpecsHelper.RdfType));
stardog.UpdateGraph(g.BaseUri, null, g.GetTriplesWithPredicate(rdfType));
g.Retract(g.GetTriplesWithPredicate(rdfType).ToList());
Graph h = new Graph();
stardog.LoadGraph(h, new Uri("http://example.org/graph"));
if (g.Triples.Count == h.Triples.Count)
{
Assert.AreEqual(g, h, "Retrieved Graph should be equal to the Saved Graph");
}
else
{
Assert.IsTrue(h.HasSubGraph(g), "Retrieved Graph should have the Saved Graph as a subgraph");
}
Assert.IsFalse(h.GetTriplesWithPredicate(rdfType).Any(), "Retrieved Graph should not contain any rdf:type Triples");
}
finally
{
//Options.UseBomForUtf8 = true;
}
}
/// <summary>
/// Delete and insert the provided graphs
/// </summary>
/// <param name="name">URI of graph; leave null for default graph</param>
/// <param name="gInsert">Graph object containing data to insert</param>
/// <param name="gDelete">Graph object containing data to delete</param>
/// <returns></returns>
public static bool UpdateGraph(Uri name, Graph gInsert, Graph gDelete)
{
using (StardogConnector dog = new StardogConnector(ConnectionString(), ConnectionDatabase(), ConnectionUser(), ConnectionPassword()))
{
dog.UpdateGraph(name, gInsert.Triples, gDelete.Triples);
}
return true;
}
