public void InteropSemWebInMemoryStoreConversion()
{
//Set up a Store and load 3 Graphs into it
TripleStore store = new TripleStore();
Graph g = new Graph();
FileLoader.Load(g, "InferenceTest.ttl");
store.Add(g);
g = new Graph();
FileLoader.Load(g, "Turtle.ttl");
store.Add(g);
g = new Graph();
g.Assert(new Triple(g.CreateUriNode(new Uri("http://example.org/#this")), g.CreateUriNode(new Uri(RdfSpecsHelper.RdfType)), g.CreateUriNode(new Uri("http://example.org/Graph"))));
store.Add(g);
InMemoryStoreSource source = new InMemoryStoreSource(store);
//Put this all into a SemWeb MemoryStore
MemoryStore mem = new MemoryStore();
source.Select(mem);
SemWebConsolePrinter printer = new SemWebConsolePrinter();
mem.Select(printer);
//Read it back into a dotNetRDF TripleStore
InMemoryStoreSource source2 = new InMemoryStoreSource(new TripleStore());
mem.Select(source2);
//Check the two stores are equivalent
IInMemoryQueryableStore store2 = source2.Store;
foreach (IGraph graph in store.Graphs)
{
String baseUri = (graph.BaseUri == null) ? String.Empty : graph.BaseUri.ToString();
Assert.IsTrue(store2.HasGraph(graph.BaseUri), "Second Store has Graph '" + baseUri + "' missing");
Assert.AreEqual(graph, store2.Graph(graph.BaseUri), "Graph '" + baseUri + "' was not the same Graph in both Stores");
}
}
public void InteropSemWebInMemoryStoreSource()
{
MicrosoftSqlStoreManager mssql = new MicrosoftSqlStoreManager("dotnetrdf_experimental", "sa", "20sQl08");
InMemoryStoreSource source = new InMemoryStoreSource(new SqlTripleStore(mssql));
N3Writer writer = new N3Writer(Console.Out);
Console.WriteLine("Outputting all Triples of the form ?s rdf:type ?type");
Statement template = new Statement(new Variable(), new Entity(RdfSpecsHelper.RdfType), new Variable());
source.Select(template, writer);
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("Outputting all Triples of the form ?s rdf:type ?car");
template = new Statement(new Variable(), new Entity(RdfSpecsHelper.RdfType), new Entity("http://example.org/vehicles/Car"));
source.Select(template, writer);
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("Outputting all Triples for Cars and Planes");
SelectFilter filter = new SelectFilter();
filter.Predicates = new Entity[] { new Entity(RdfSpecsHelper.RdfType) };
filter.Objects = new Entity[] { new Entity("http://example.org/vehicles/Car"), new Entity("http://example.org/vehicles/Plane") };
source.Select(filter, writer);
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("Outputting the Speeds of all Cards");
Variable car = new Variable("car");
Statement[] pattern = new Statement[]
{
new Statement(car, new Entity(RdfSpecsHelper.RdfType), new Entity("http://example.org/vehicles/Car")),
new Statement(car, new Entity("http://example.org/vehicles/Speed"), new Variable("speed"))
};
source.Query(pattern, new QueryOptions(), new SemWebResultsConsolePrinter());
Console.WriteLine();
writer.Close();
}