private IEntityContext CreateEntityContext(IOntologyProvider ontologyProvider, IEnumerable <Assembly> mappingAssemblies)
{
var factory = new EntityContextFactory()
.WithMappings(builder => BuildMappingAssemblies(builder, mappingAssemblies))
.WithDefaultOntologies()
.WithMetaGraphUri(_metaGraph.BaseUri)
.WithNamedGraphSelector(_namedGraphSelector)
.WithDotNetRDF(_tripleStore);
if (ontologyProvider != null)
{
factory = factory.WithOntology(ontologyProvider);
}
return(factory.CreateContext());
}
static void Main()
{
ITripleStore store = new TripleStore();
store.LoadFromFile("input.trig");
var factory = new EntityContextFactory();
// it is also possible to add fluent/attribute mappings separately
factory.WithMappings(mb => mb.FromAssemblyOf <IPerson>());
// this is necessary to tell where entities' data is stored in named graphs
// see the input.trig file to find out how it does that
factory.WithMetaGraphUri(new Uri("http://romanticweb.net/samples"));
// this API bound to change in the future so that custom
// namespaces can be added easily
factory.WithOntology(new DefaultOntologiesProvider(BuiltInOntologies.DCTerms |
BuiltInOntologies.FOAF));
factory.WithDotNetRDF(store);
var context = factory.CreateContext();
foreach (var person in context.AsQueryable <IPerson>().Where(p => p.Name != "Karol"))
{
var pubId = "http://romanticweb.net/samples/publication/" + Guid.NewGuid();
var pub = context.Create <IPublication>(pubId);
pub.Title = string.Format("Publication about RDF by {0} {1}",
person.Name, person.LastName);
pub.DatePublished = DateTime.Now;
person.Publications.Add(pub);
}
context.Commit();
store.SaveToFile("output.trig", new TriGWriter());
}