public void StorageVirtuosoConfigSerialization()
{
NTriplesFormatter formatter = new NTriplesFormatter();
VirtuosoManager manager = VirtuosoTest.GetConnection();
try
{
Assert.IsNotNull(manager);
Graph g = new Graph();
INode rdfType = g.CreateUriNode(new Uri(RdfSpecsHelper.RdfType));
INode dnrType = g.CreateUriNode(UriFactory.Create(ConfigurationLoader.PropertyType));
INode objFactory = g.CreateUriNode(UriFactory.Create(ConfigurationLoader.ClassObjectFactory));
INode virtFactory = g.CreateLiteralNode("VDS.RDF.Configuration.VirtuosoObjectFactory, dotNetRDF.Data.Virtuoso");
INode genericManager = g.CreateUriNode(UriFactory.Create(ConfigurationLoader.ClassStorageProvider));
INode virtManager = g.CreateLiteralNode("VDS.RDF.Storage.VirtuosoManager, dotNetRDF.Data.Virtuoso");
//Serialize Configuration
ConfigurationSerializationContext context = new ConfigurationSerializationContext(g);
manager.SerializeConfiguration(context);
Console.WriteLine("Serialized Configuration");
foreach (Triple t in g.Triples)
{
Console.WriteLine(t.ToString(formatter));
}
Console.WriteLine();
//Ensure that it was serialized
INode factory = g.GetTriplesWithPredicateObject(rdfType, objFactory).Select(t => t.Subject).FirstOrDefault();
Assert.IsNotNull(factory, "Should be an object factory in the serialized configuration");
Assert.IsTrue(g.ContainsTriple(new Triple(factory, dnrType, virtFactory)), "Should contain a Triple declaring the dnr:type to be the Virtuoso Object factory type");
INode objNode = g.GetTriplesWithPredicateObject(rdfType, genericManager).Select(t => t.Subject).FirstOrDefault();
Assert.IsNotNull(objNode, "Should be a generic manager in the serialized configuration");
Assert.IsTrue(g.ContainsTriple(new Triple(objNode, dnrType, virtManager)), "Should contain a Triple declaring the dnr:type to be the Virtuoso Manager type");
//Serialize again
manager.SerializeConfiguration(context);
Console.WriteLine("Serialized Configuration (after 2nd pass)");
foreach (Triple t in g.Triples)
{
Console.WriteLine(t.ToString(formatter));
}
Console.WriteLine();
//Ensure that object factory has not been serialized again
Assert.AreEqual(1, g.GetTriplesWithPredicateObject(rdfType, objFactory).Count(), "Should only be 1 Object Factory registered even after a 2nd serializer pass");
//Now try to load the object
ConfigurationLoader.AutoConfigureObjectFactories(g);
Object loadedObj = ConfigurationLoader.LoadObject(g, objNode);
if (loadedObj is VirtuosoManager)
{
Assert.AreEqual(manager.ToString(), loadedObj.ToString(), "String forms should be equal");
}
else
{
Assert.Fail("Returned an object of type '" + loadedObj.GetType().FullName + "' when deserializing");
}
}
finally
{
if (manager != null)
{
manager.Dispose();
}
}
}