public static void Main(String[] args)
{
//Fill in the code shown on this page here to build your hello world application
Graph g = new Graph();
IUriNode dotNetRDF = g.CreateUriNode(new Uri("http://www.dotnetrdf.org"));
IUriNode says = g.CreateUriNode(new Uri("http://example.org/says"));
ILiteralNode helloWorld = g.CreateLiteralNode("Hello World");
ILiteralNode bonjourMonde = g.CreateLiteralNode("Bonjour tout le Monde", "fr");
g.Assert(new Triple(dotNetRDF, says, helloWorld));
g.Assert(new Triple(dotNetRDF, says, bonjourMonde));
foreach (Triple t in g.Triples)
{
Console.WriteLine(t.ToString());
}
NTriplesWriter ntwriter = new NTriplesWriter();
ntwriter.Save(g, "HelloWorld.nt");
RdfXmlWriter rdfxmlwriter = new RdfXmlWriter();
rdfxmlwriter.Save(g, "HelloWorld.rdf");
}
public void WritingBlankNodeOutput()
{
//Create a Graph and add a couple of Triples which when serialized have
//potentially colliding IDs
Graph g = new Graph();
g.NamespaceMap.AddNamespace("ex", new Uri("http://example.org"));
IUriNode subj = g.CreateUriNode("ex:subject");
IUriNode pred = g.CreateUriNode("ex:predicate");
IUriNode name = g.CreateUriNode("ex:name");
IBlankNode b1 = g.CreateBlankNode("autos1");
IBlankNode b2 = g.CreateBlankNode("1");
g.Assert(subj, pred, b1);
g.Assert(b1, name, g.CreateLiteralNode("First Triple"));
g.Assert(subj, pred, b2);
g.Assert(b2, name, g.CreateLiteralNode("Second Triple"));
TurtleWriter ttlwriter = new TurtleWriter();
ttlwriter.Save(g, "bnode-output-test.ttl");
TestTools.ShowGraph(g);
TurtleParser ttlparser = new TurtleParser();
Graph h = new Graph();
ttlparser.Load(h, "bnode-output-test.ttl");
TestTools.ShowGraph(h);
Assert.AreEqual(g.Triples.Count, h.Triples.Count, "Expected same number of Triples after serialization and reparsing");
}
public static IGraph CreateCommitMetadata(Uri indexUri, CommitMetadata commitMetadata)
{
IGraph graph = new Graph();
if (commitMetadata.LastCreated != null)
{
graph.Assert(
graph.CreateUriNode(indexUri),
graph.CreateUriNode(Schema.Predicates.LastCreated),
graph.CreateLiteralNode(commitMetadata.LastCreated.Value.ToString("O"), Schema.DataTypes.DateTime));
}
if (commitMetadata.LastEdited != null)
{
graph.Assert(
graph.CreateUriNode(indexUri),
graph.CreateUriNode(Schema.Predicates.LastEdited),
graph.CreateLiteralNode(commitMetadata.LastEdited.Value.ToString("O"), Schema.DataTypes.DateTime));
}
if (commitMetadata.LastDeleted != null)
{
graph.Assert(
graph.CreateUriNode(indexUri),
graph.CreateUriNode(Schema.Predicates.LastDeleted),
graph.CreateLiteralNode(commitMetadata.LastDeleted.Value.ToString("O"), Schema.DataTypes.DateTime));
}
return graph;
}
public override bool Execute(PipelinePackage package, PackagePipelineContext context)
{
DateTime? commitTimeStamp = PackagePipelineHelpers.GetCommitTimeStamp(context);
Guid? commitId = PackagePipelineHelpers.GetCommitId(context);
IGraph graph = new Graph();
INode resource = graph.CreateUriNode(context.Uri);
if (commitTimeStamp != null)
{
graph.Assert(
resource,
graph.CreateUriNode(Schema.Predicates.CatalogTimeStamp),
graph.CreateLiteralNode(commitTimeStamp.Value.ToString("O"), Schema.DataTypes.DateTime));
}
if (commitId != null)
{
graph.Assert(
resource,
graph.CreateUriNode(Schema.Predicates.CatalogCommitId),
graph.CreateLiteralNode(commitId.Value.ToString()));
}
context.StageResults.Add(new GraphPackageMetadata(graph));
return true;
}
public void TestCreateAssociationLinks()
{
var testGraph = new Graph {BaseUri = new Uri("http://dbpedia.org/resource/")};
var film = testGraph.CreateUriNode(UriFactory.Create("http://dbpedia.org/resource/Un_Chien_Andalou"));
var rdfType = testGraph.CreateUriNode(UriFactory.Create("http://www.w3.org/1999/02/22-rdf-syntax-ns#type"));
testGraph.Assert(film,
rdfType,
testGraph.CreateUriNode(UriFactory.Create("http://dbpedia.org/ontology/Film")));
testGraph.Assert(film,
testGraph.CreateUriNode(UriFactory.Create("http://xmlns.com/foaf/0.1/name")),
testGraph.CreateLiteralNode("Un Chien Andalou"));
var director = testGraph.CreateUriNode(UriFactory.Create("http://dbpedia.org/resource/Luis_Bunuel"));
testGraph.Assert(director, rdfType, testGraph.CreateUriNode(UriFactory.Create("http://dbpedia.org/ontology/Person")));
testGraph.Assert(film, testGraph.CreateUriNode(UriFactory.Create("http://dbpedia.org/property/director")), director);
var mockRequest = new Mock<IODataRequestMessage>();
mockRequest.Setup(m => m.Url).Returns(new Uri("http://example.org/odata/Films('Un_Chien_Andalou')"));
var mock = new Mock<IODataResponseMessage>();
var mockStream = new MemoryStream();
mock.Setup(m => m.GetStream()).Returns(mockStream);
var generator = new ODataFeedGenerator(mockRequest.Object, mock.Object, _dbpediaMap, "http://example.org/odata/", new ODataMessageWriterSettings { Indent = true });
generator.CreateEntryFromGraph(testGraph, film.Uri.ToString(), "DBPedia.Film");
mockStream.Seek(0, SeekOrigin.Begin);
var streamXml = XDocument.Load(mockStream);
Assert.IsNotNull(streamXml);
Assert.IsNotNull(streamXml.Root);
Assert.AreEqual(XName.Get("entry", "http://www.w3.org/2005/Atom"), streamXml.Root.Name);
Console.WriteLine(streamXml.ToString());
}
IGraph CreatePageGraph(INode subject, IGraph graph)
{
Graph pageGraph = new Graph();
Triple idTriple = graph.GetTriplesWithSubjectPredicate(subject, graph.CreateUriNode(Schema.Predicates.Id)).First();
Triple versionTriple = graph.GetTriplesWithSubjectPredicate(subject, graph.CreateUriNode(Schema.Predicates.Version)).First();
pageGraph.Assert(idTriple.CopyTriple(pageGraph));
pageGraph.Assert(versionTriple.CopyTriple(pageGraph));
return pageGraph;
}
public StorageContent CreateContent(CatalogContext context)
{
IGraph graph = new Graph();
INode rdfTypePredicate = graph.CreateUriNode(Schema.Predicates.Type);
INode timeStampPredicate = graph.CreateUriNode(Schema.Predicates.CatalogTimestamp);
INode commitIdPredicate = graph.CreateUriNode(Schema.Predicates.CatalogCommitId);
INode container = graph.CreateUriNode(_resourceUri);
graph.Assert(container, rdfTypePredicate, graph.CreateUriNode(GetContainerType()));
graph.Assert(container, timeStampPredicate, graph.CreateLiteralNode(_timeStamp.ToString("O"), Schema.DataTypes.DateTime));
graph.Assert(container, commitIdPredicate, graph.CreateLiteralNode(_commitId.ToString()));
if (_parent != null)
{
graph.Assert(container, graph.CreateUriNode(Schema.Predicates.Parent), graph.CreateUriNode(_parent));
}
AddCustomContent(container, graph);
INode itemPredicate = graph.CreateUriNode(Schema.Predicates.CatalogItem);
INode countPredicate = graph.CreateUriNode(Schema.Predicates.CatalogCount);
foreach (KeyValuePair<Uri, CatalogContainerItem> item in _items)
{
INode itemNode = graph.CreateUriNode(item.Key);
graph.Assert(container, itemPredicate, itemNode);
graph.Assert(itemNode, rdfTypePredicate, graph.CreateUriNode(item.Value.Type));
if (item.Value.PageContent != null)
{
graph.Merge(item.Value.PageContent);
}
graph.Assert(itemNode, timeStampPredicate, graph.CreateLiteralNode(item.Value.TimeStamp.ToString("O"), Schema.DataTypes.DateTime));
graph.Assert(itemNode, commitIdPredicate, graph.CreateLiteralNode(item.Value.CommitId.ToString()));
if (item.Value.Count != null)
{
graph.Assert(itemNode, countPredicate, graph.CreateLiteralNode(item.Value.Count.ToString(), Schema.DataTypes.Integer));
}
}
JObject frame = context.GetJsonLdContext("context.Container.json", GetContainerType());
// The below code could be used to compact data storage by using relative URIs.
//frame = (JObject)frame.DeepClone();
//frame["@context"]["@base"] = _resourceUri.ToString();
StorageContent content = new StringStorageContent(Utils.CreateJson(graph, frame), "application/json", "no-store");
return content;
}
public override StorageContent CreateContent(CatalogContext context)
{
using (IGraph graph = new Graph())
{
INode entry = graph.CreateUriNode(GetItemAddress());
// catalog infrastructure fields
graph.Assert(entry, graph.CreateUriNode(Schema.Predicates.Type), graph.CreateUriNode(GetItemType()));
graph.Assert(entry, graph.CreateUriNode(Schema.Predicates.Type), graph.CreateUriNode(Schema.DataTypes.Permalink));
graph.Assert(entry, graph.CreateUriNode(Schema.Predicates.CatalogTimeStamp), graph.CreateLiteralNode(TimeStamp.ToString("O"), Schema.DataTypes.DateTime));
graph.Assert(entry, graph.CreateUriNode(Schema.Predicates.CatalogCommitId), graph.CreateLiteralNode(CommitId.ToString()));
graph.Assert(entry, graph.CreateUriNode(Schema.Predicates.Published), graph.CreateLiteralNode(_published.ToString("O"), Schema.DataTypes.DateTime));
graph.Assert(entry, graph.CreateUriNode(Schema.Predicates.Id), graph.CreateLiteralNode(_id));
graph.Assert(entry, graph.CreateUriNode(Schema.Predicates.OriginalId), graph.CreateLiteralNode(_id));
graph.Assert(entry, graph.CreateUriNode(Schema.Predicates.Version), graph.CreateLiteralNode(_version));
SetIdVersionFromGraph(graph);
// create JSON content
JObject frame = context.GetJsonLdContext("context.Catalog.json", GetItemType());
StorageContent content = new StringStorageContent(Utils.CreateArrangedJson(graph, frame), "application/json", "no-store");
return content;
}
}
public override bool Execute(PipelinePackage package, PackagePipelineContext context)
{
string hash = GetHash(package.Stream);
long size = GetSize(package.Stream);
IGraph graph = new Graph();
INode subject = graph.CreateUriNode(context.Uri);
graph.Assert(subject, graph.CreateUriNode(Schema.Predicates.PackageHashAlgorithm), graph.CreateLiteralNode("SHA512"));
graph.Assert(subject, graph.CreateUriNode(Schema.Predicates.PackageHash), graph.CreateLiteralNode(hash));
graph.Assert(subject, graph.CreateUriNode(Schema.Predicates.PackageSize), graph.CreateLiteralNode(size.ToString(), Schema.DataTypes.Integer));
context.StageResults.Add(new GraphPackageMetadata(graph));
return true;
}
public static IGraph ReplaceResourceUris(IGraph original, IDictionary<string, Uri> replacements)
{
IGraph modified = new Graph();
foreach (Triple triple in original.Triples)
{
Uri subjectUri;
if (!replacements.TryGetValue(triple.Subject.ToString(), out subjectUri))
{
subjectUri = ((IUriNode)triple.Subject).Uri;
}
INode subjectNode = modified.CreateUriNode(subjectUri);
INode predicateNode = triple.Predicate.CopyNode(modified);
INode objectNode;
if (triple.Object is IUriNode)
{
Uri objectUri;
if (!replacements.TryGetValue(triple.Object.ToString(), out objectUri))
{
objectUri = ((IUriNode)triple.Object).Uri;
}
objectNode = modified.CreateUriNode(objectUri);
}
else
{
objectNode = triple.Object.CopyNode(modified);
}
modified.Assert(subjectNode, predicateNode, objectNode);
}
return modified;
}
/// <summary>
/// Adds the literal triple to a graph.
/// </summary>
/// <param name="graph">The graph.</param>
/// <param name="subject">The subject.</param>
/// <param name="predicate">The predicate.</param>
/// <param name="obj">The object (resource).</param>
/// <remarks></remarks>
public static void AddTripleLiteral(Graph graph, string subject, string predicate, string obj, string datatype)
{
string xmlSchemaDatatype;
switch (datatype)
{
case "Url":
xmlSchemaDatatype = XmlSpecsHelper.XmlSchemaDataTypeAnyUri;
break;
case "Date":
xmlSchemaDatatype = XmlSpecsHelper.XmlSchemaDataTypeDateTime;
break;
case "Integer":
xmlSchemaDatatype = XmlSpecsHelper.XmlSchemaDataTypeInteger;
break;
case "Ntext":
xmlSchemaDatatype = XmlSpecsHelper.XmlSchemaDataTypeString;
break;
case "Nvarchar":
xmlSchemaDatatype = XmlSpecsHelper.XmlSchemaDataTypeString;
break;
default:
xmlSchemaDatatype = XmlSpecsHelper.XmlSchemaDataTypeString;
break;
}
Triple triple = null;
if (subject.StartsWith("http") && predicate.StartsWith("http"))
{
triple = new Triple(
graph.CreateUriNode(new Uri(subject)),
graph.CreateUriNode(new Uri(predicate)),
graph.CreateLiteralNode(obj, new Uri(xmlSchemaDatatype))
);
}
else if (!subject.StartsWith("http") && predicate.StartsWith("http"))
{
triple = new Triple(
graph.CreateUriNode(subject),
graph.CreateUriNode(new Uri(predicate)),
graph.CreateLiteralNode(obj, new Uri(xmlSchemaDatatype))
);
}
else if (subject.StartsWith("http") && !predicate.StartsWith("http"))
{
triple = new Triple(
graph.CreateUriNode(new Uri(subject)),
graph.CreateUriNode(predicate),
graph.CreateLiteralNode(obj, new Uri(xmlSchemaDatatype))
);
}
else if (!subject.StartsWith("http") && !predicate.StartsWith("http"))
{
triple = new Triple(
graph.CreateUriNode(subject),
graph.CreateUriNode(predicate),
graph.CreateLiteralNode(obj, new Uri(xmlSchemaDatatype))
);
}
graph.Assert(triple);
}
public override string CreateContent(CatalogContext context)
{
IGraph graph = new Graph();
graph.NamespaceMap.AddNamespace("rdf", new Uri("http://www.w3.org/1999/02/22-rdf-syntax-ns#"));
graph.NamespaceMap.AddNamespace("nuget", new Uri("http://nuget.org/schema#"));
INode subject = graph.CreateUriNode(new Uri(GetBaseAddress() + GetItemIdentity()));
graph.Assert(subject, graph.CreateUriNode("rdf:type"), graph.CreateUriNode("nuget:DeleteRegistration"));
graph.Assert(subject, graph.CreateUriNode("nuget:id"), graph.CreateLiteralNode(_id));
JObject frame = context.GetJsonLdContext("context.DeletePackage.json", GetItemType());
string content = Utils.CreateJson(graph, frame);
return content;
}
public static void Main(string[] args)
{
//Create a new Empty Graph
Graph g = new Graph();
//Define Namespaces
g.NamespaceMap.AddNamespace("pets", new Uri("http://example.org/pets"));
//Create Uri Nodes
IUriNode dog, fido, rob, owner, name, species, breed, lab;
dog = g.CreateUriNode("pets:Dog");
fido = g.CreateUriNode("pets:abc123");
rob = g.CreateUriNode("pets:def456");
owner = g.CreateUriNode("pets:hasOwner");
name = g.CreateUriNode("pets:hasName");
species = g.CreateUriNode("pets:isAnimal");
breed = g.CreateUriNode("pets:isBreed");
lab = g.CreateUriNode("pets:Labrador");
//Assert Triples
g.Assert(new Triple(fido, species, dog));
g.Assert(new Triple(fido, owner, rob));
g.Assert(new Triple(fido, name, g.CreateLiteralNode("Fido")));
g.Assert(new Triple(rob, name, g.CreateLiteralNode("Rob")));
g.Assert(new Triple(fido, breed, lab));
//Attempt to output GraphViz
try
{
Console.WriteLine("Writing GraphViz DOT file graph_building_example2.dot");
GraphVizWriter gvzwriter = new GraphVizWriter();
gvzwriter.Save(g, "graph_building_example2.dot");
Console.WriteLine("Creating a PNG got this Graph called graph_building_example2.png");
GraphVizGenerator gvzgen = new GraphVizGenerator("svg", "C:\\Program Files (x86)\\Graphviz2.20\\bin");
gvzgen.Format = "png";
gvzgen.Generate(g, "graph_building_example2.png", false);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Console.WriteLine(ex.StackTrace);
}
}
public override IGraph CreatePageContent(CatalogContext context)
{
Uri resourceUri = new Uri(GetBaseAddress() + GetRelativeAddress());
Graph graph = new Graph();
INode subject = graph.CreateUriNode(resourceUri);
INode count = graph.CreateUriNode(new Uri("http://nuget.org/schema#count"));
INode itemGUID = graph.CreateUriNode(new Uri("http://nuget.org/schema#itemGUID"));
INode minDownloadTimestamp = graph.CreateUriNode(new Uri("http://nuget.org/schema#minDownloadTimestamp"));
INode maxDownloadTimestamp = graph.CreateUriNode(new Uri("http://nuget.org/schema#maxDownloadTimestamp"));
graph.Assert(subject, count, graph.CreateLiteralNode(_data.Count.ToString(), Schema.DataTypes.Integer));
graph.Assert(subject, itemGUID, graph.CreateLiteralNode(_itemGUID.ToString()));
graph.Assert(subject, minDownloadTimestamp, graph.CreateLiteralNode(_minDownloadTimestamp.ToString("O"), Schema.DataTypes.DateTime));
graph.Assert(subject, maxDownloadTimestamp, graph.CreateLiteralNode(_maxDownloadTimestamp.ToString("O"), Schema.DataTypes.DateTime));
return graph;
}
public void WritingRdfXmlLiteralsWithLanguageTags()
{
Graph g = new Graph();
INode s = g.CreateUriNode(new Uri("http://example.org/subject"));
INode p = g.CreateUriNode(new Uri("http://example.org/predicate"));
INode o = g.CreateLiteralNode("string", "en");
g.Assert(s, p, o);
this.CheckRoundTrip(g);
}
/// <summary>
///
/// </summary>
/// <param name="g"></param>
/// <param name="LO"></param>
public void insertLearningObject(ref Graph g, LearningObjectContextModel LO)
{
g.NamespaceMap.AddNamespace("onto", new Uri("http://www.owl-ontologies.com/OntoAdapt2.owl#"));
IUriNode sujeito = g.CreateUriNode("onto:" + LO.LearningObject_ID);
INode rdfType = g.CreateUriNode("rdf:type");
INode objeto = g.CreateUriNode("onto:LearningObject");
Triple triple = new Triple(sujeito, rdfType, objeto);
g.Assert(triple);
}
/// <summary>
///
/// </summary>
/// <param name="g"></param>
public void insertComunidadeMoodle(ref Graph g)
{
g = new Graph();
g.NamespaceMap.AddNamespace("onto", new Uri("http://www.owl-ontologies.com/OntoAdapt2.owl#"));
IUriNode sujeito = g.CreateUriNode("onto:" + student.Matricula);
INode rdfType = g.CreateUriNode("onto:ComunidadeMoodle");
ILiteralNode literal = g.CreateLiteralNode(student.ComunidadeMoodle);
Triple triple = new Triple(sujeito, rdfType, literal);
g.Assert(triple);
}
/// <summary>
///
/// </summary>
/// <param name="g"></param>
/// <param name="strLearningStyle"></param>
public void insertDeviceMediaPreference(ref Graph g)
{
g = new Graph();
g.NamespaceMap.AddNamespace("onto", new Uri("http://www.owl-ontologies.com/OntoAdapt2.owl#"));
IUriNode sujeito = g.CreateUriNode("onto:" + Device.model_name);
INode rdfType = g.CreateUriNode("onto:hasDeviceMediaPreference");
IUriNode objeto = g.CreateUriNode(new Uri("http://www.owl-ontologies.com/OntoAdapt2.owl#" + Device.MediaPreference));
Triple triple = new Triple(sujeito, rdfType, objeto);
g.Assert(triple);
}
/// <summary>
/// Insere LO a comunidade
/// </summary>
/// <param name="g"></param>
/// <param name="LO"></param>
public void insertLearningObjectComunidade(ref Graph g, LearningObjectContextModel LO)
{
g = new Graph();
g.NamespaceMap.AddNamespace("onto", new Uri("http://www.owl-ontologies.com/OntoAdapt2.owl#"));
IUriNode sujeito = g.CreateUriNode("onto:" + LO.LearningObject_ID);
INode rdfType = g.CreateUriNode("onto:LO_MoodleCommunity");
ILiteralNode objeto = g.CreateLiteralNode(LO.MoodleCommunity);
Triple triple = new Triple(sujeito, rdfType, objeto);
g.Assert(triple);
}
/// <summary>
///
/// </summary>
/// <param name="g"></param>
public void InsertDeviceBrand(ref Graph g)
{
g = new Graph();
g.NamespaceMap.AddNamespace("onto", new Uri("http://www.owl-ontologies.com/OntoAdapt2.owl#"));
IUriNode sujeito = g.CreateUriNode("onto:" + Device.model_name);
INode rdfType = g.CreateUriNode("onto:Brand");
ILiteralNode literal = g.CreateLiteralNode(Device.Brand_Name);
Triple triple = new Triple(sujeito, rdfType, literal);
g.Assert(triple);
}
public string CreateContent(CatalogContext context)
{
IGraph graph = new Graph();
graph.NamespaceMap.AddNamespace("rdf", new Uri("http://www.w3.org/1999/02/22-rdf-syntax-ns#"));
graph.NamespaceMap.AddNamespace("catalog", new Uri("http://nuget.org/catalog#"));
INode rdfTypePredicate = graph.CreateUriNode("rdf:type");
INode timeStampPredicate = graph.CreateUriNode("catalog:timeStamp");
Uri dateTimeDatatype = new Uri("http://www.w3.org/2001/XMLSchema#dateTime");
INode container = graph.CreateUriNode(_resourceUri);
graph.Assert(container, rdfTypePredicate, graph.CreateUriNode(GetContainerType()));
graph.Assert(container, timeStampPredicate, graph.CreateLiteralNode(_timeStamp.ToString(), dateTimeDatatype));
if (_parent != null)
{
graph.Assert(container, graph.CreateUriNode("catalog:parent"), graph.CreateUriNode(_parent));
}
AddCustomContent(container, graph);
INode itemPredicate = graph.CreateUriNode("catalog:item");
INode countPredicate = graph.CreateUriNode("catalog:count");
foreach (KeyValuePair<Uri, Tuple<Uri, IGraph, DateTime, int?>> item in GetItems())
{
INode itemNode = graph.CreateUriNode(item.Key);
graph.Assert(container, itemPredicate, itemNode);
graph.Assert(itemNode, rdfTypePredicate, graph.CreateUriNode(item.Value.Item1));
if (item.Value.Item2 != null)
{
graph.Merge(item.Value.Item2);
}
graph.Assert(itemNode, timeStampPredicate, graph.CreateLiteralNode(item.Value.Item3.ToString(), dateTimeDatatype));
if (item.Value.Item4 != null)
{
Uri integerDatatype = new Uri("http://www.w3.org/2001/XMLSchema#integer");
graph.Assert(itemNode, countPredicate, graph.CreateLiteralNode(item.Value.Item4.ToString(), integerDatatype));
}
}
JObject frame = context.GetJsonLdContext("context.Container.json", GetContainerType());
string content = Utils.CreateJson(graph, frame);
return content;
}
public override bool Execute(PipelinePackage package, PackagePipelineContext context)
{
IGraph graph = new Graph();
INode subject = graph.CreateUriNode(context.Uri);
graph.Assert(
subject,
graph.CreateUriNode(Schema.Predicates.Published),
graph.CreateLiteralNode(package.Published.ToString("O"), Schema.DataTypes.DateTime));
if (package.Owner != null)
{
graph.Assert(
subject,
graph.CreateUriNode(Schema.Predicates.Owner),
graph.CreateLiteralNode(package.Owner));
}
context.StageResults.Add(new GraphPackageMetadata(graph));
return true;
}
static KeyValuePair<string, IGraph> CreateTestCatalogEntry(string id, string version, bool isDelete = false)
{
Uri packageContentUri = new Uri(string.Format("https://content/{0}.zip", Guid.NewGuid()));
IGraph graph = new Graph();
Uri subjectUri = new Uri(string.Format("https://catalog/{0}", Guid.NewGuid()));
INode subject = graph.CreateUriNode(subjectUri);
graph.Assert(subject, graph.CreateUriNode(Schema.Predicates.Id), graph.CreateLiteralNode(id));
graph.Assert(subject, graph.CreateUriNode(Schema.Predicates.Version), graph.CreateLiteralNode(version));
if (isDelete)
{
graph.Assert(subject, graph.CreateUriNode(Schema.Predicates.Type), graph.CreateUriNode(Schema.DataTypes.CatalogDelete));
}
else
{
graph.Assert(subject, graph.CreateUriNode(Schema.Predicates.Published), graph.CreateLiteralNode(DateTime.UtcNow.ToString("O"), Schema.DataTypes.DateTime));
graph.Assert(subject, graph.CreateUriNode(Schema.Predicates.PackageContent), graph.CreateUriNode(packageContentUri));
}
Console.WriteLine(subjectUri);
return new KeyValuePair<string, IGraph>(subjectUri.AbsoluteUri, graph);
}
private Graph CreateGraph(IEnumerable<RDFTriple> triples)
{
var g = new Graph();
foreach (var triple in triples)
{
if(triple.Subject.IsNull() || triple.Predicate.IsNull() || triple.Object.IsNull()) continue;
IUriNode subject = g.CreateUriNode(UriFactory.Create(triple.Subject));
IUriNode predicate = g.CreateUriNode(UriFactory.Create(triple.Predicate));
switch (triple.Object.DataType)
{
case Constants.UriDataType:
IUriNode objectUri = g.CreateUriNode(UriFactory.Create(triple.Object.Uri));
g.Assert(new Triple(subject, predicate, objectUri));
break;
case Constants.LiteralDataType:
ILiteralNode objecto = g.CreateLiteralNode(triple.Object.Literal);
g.Assert(new Triple(subject, predicate, objecto));
break;
}
}
return g;
}
public override IGraph CreatePageContent(CatalogContext context)
{
Uri resourceUri = new Uri(GetBaseAddress() + GetRelativeAddress());
Graph graph = new Graph();
INode subject = graph.CreateUriNode(resourceUri);
INode galleryKeyPredicate = graph.CreateUriNode(new Uri("http://nuget.org/gallery#key"));
string key = _export.Package["Key"].ToString();
Uri integerDatatype = new Uri("http://www.w3.org/2001/XMLSchema#integer");
graph.Assert(subject, galleryKeyPredicate, graph.CreateLiteralNode(key, integerDatatype));
return graph;
}
public override StorageContent CreateContent(CatalogContext context)
{
IGraph graph = new Graph();
INode subject = graph.CreateUriNode(GetItemAddress());
graph.Assert(subject, graph.CreateUriNode(Schema.Predicates.Type), graph.CreateUriNode(Schema.DataTypes.Package));
graph.Assert(subject, graph.CreateUriNode(Schema.Predicates.Type), graph.CreateUriNode(Schema.DataTypes.Permalink));
graph.Assert(subject, graph.CreateUriNode(Schema.Predicates.CatalogEntry), graph.CreateUriNode(_catalogUri));
graph.Assert(subject, graph.CreateUriNode(Schema.Predicates.Registration), graph.CreateUriNode(GetRegistrationAddress()));
graph.Assert(subject, graph.CreateUriNode(Schema.Predicates.PackageContent), graph.CreateUriNode(GetPackageContentAddress()));
graph.Assert(subject, graph.CreateUriNode(Schema.Predicates.Published), graph.CreateLiteralNode(GetPublishedDate().ToString("O"), Schema.DataTypes.DateTime));
graph.Assert(subject, graph.CreateUriNode(Schema.Predicates.Listed), graph.CreateLiteralNode(_listed.ToString(), Schema.DataTypes.Boolean));
JObject frame = context.GetJsonLdContext("context.Package.json", Schema.DataTypes.Package);
return new JTokenStorageContent(Utils.CreateJson(graph, frame), "application/json", "no-store");
}
public Graph CreateExampleGraph(string uri)
{
Graph newGraph = new Graph();
newGraph.BaseUri = UriFactory.Create(uri);
Triple triple = new Triple(
newGraph.CreateUriNode(UriFactory.Create("http://example/book1")),
newGraph.CreateUriNode(UriFactory.Create("http://example.org/ns#price")),
newGraph.CreateLiteralNode("42", new Uri(XmlSpecsHelper.XmlSchemaDataTypeInteger))
);
newGraph.Assert(triple);
connector.SaveGraph(newGraph);
return newGraph;
}
public void TestWriteSimpleRdf()
{
var g = new Graph();
g.Assert(g.CreateUriNode(new Uri("http://example.org/s")),
g.CreateUriNode(new Uri("http://example.org/p")),
g.CreateLiteralNode("o"));
//g.Assert(g.CreateUriNode(new Uri("http://example.org/s")),
// g.CreateUriNode(new Uri("http://example.org/ns2/p")),
// g.CreateLiteralNode("Another o"));
using (var stringWriter = new System.IO.StringWriter())
{
var writer = new RdfXmlWriter();
writer.Save(g, stringWriter);
var buff = stringWriter.ToString();
XDocument doc = XDocument.Parse(buff); // Fails
}
}
public void GraphTripleCreation()
{
//Create two Graphs
Graph g = new Graph();
Graph h = new Graph();
g.NamespaceMap.AddNamespace("ex", new Uri("http://example.org/"));
h.NamespaceMap.AddNamespace("ex", new Uri("http://example.org/"));
//Create a Triple in First Graph
g.Assert(g.CreateBlankNode(), g.CreateUriNode("rdf:type"), g.CreateUriNode("ex:Triple"));
Assert.Equal(1, g.Triples.Count);
//Create a Triple in Second Graph
h.Assert(h.CreateBlankNode(), h.CreateUriNode("rdf:type"), h.CreateUriNode("ex:Triple"));
Assert.Equal(1, h.Triples.Count);
}
public void GraphEventBubbling()
{
try
{
this._graphAdded = false;
this._graphRemoved = false;
this._graphChanged = false;
//Create Store and Graph add attach handlers to Store
TripleStore store = new TripleStore();
Graph g = new Graph();
store.GraphAdded += this.HandleGraphAdded;
store.GraphRemoved += this.HandleGraphRemoved;
store.GraphChanged += this.HandleGraphChanged;
//Add the Graph to the Store which should fire the GraphAdded event
store.Add(g);
Assert.IsTrue(this._graphAdded, "GraphAdded event of the Triple Store should have fired");
//Assert a Triple
INode s = g.CreateBlankNode();
INode p = g.CreateUriNode("rdf:type");
INode o = g.CreateUriNode("rdfs:Class");
Triple t = new Triple(s, p, o);
g.Assert(t);
Assert.IsTrue(this._graphChanged, "GraphChanged event of the Triple Store should have fired");
//Retract the Triple
this._graphChanged = false;
g.Retract(t);
Assert.IsTrue(this._graphChanged, "GraphChanged event of the Triple Store should have fired");
//Remove the Graph from the Store which should fire the GraphRemoved event
store.Remove(g.BaseUri);
Assert.IsTrue(this._graphRemoved, "GraphRemoved event of the Triple Store should have fired");
}
catch (Exception ex)
{
throw;
}
}
public void GraphDiffAddedMSG()
{
Graph g = new Graph();
Graph h = new Graph();
g.LoadFromFile("resources\\InferenceTest.ttl");
h.LoadFromFile("resources\\InferenceTest.ttl");
//Add additional Triple to 2nd Graph
INode blank = h.CreateBlankNode();
IUriNode subClass = h.CreateUriNode("rdfs:subClassOf");
IUriNode vehicle = h.CreateUriNode("eg:Vehicle");
h.Assert(new Triple(blank, subClass, vehicle));
GraphDiffReport report = g.Difference(h);
TestTools.ShowDifferences(report);
Assert.False(report.AreEqual, "Graphs should not have been reported as equal");
Assert.True(report.AddedMSGs.Any(), "Difference should have reported some Added MSGs");
}
public void GraphDiffAddedGroundTriples()
{
Graph g = new Graph();
Graph h = new Graph();
FileLoader.Load(g, "InferenceTest.ttl");
FileLoader.Load(h, "InferenceTest.ttl");
//Add additional Triple to 2nd Graph
IUriNode spaceVehicle = h.CreateUriNode("eg:SpaceVehicle");
IUriNode subClass = h.CreateUriNode("rdfs:subClassOf");
IUriNode vehicle = h.CreateUriNode("eg:Vehicle");
h.Assert(new Triple(spaceVehicle, subClass, vehicle));
GraphDiffReport report = g.Difference(h);
TestTools.ShowDifferences(report);
Assert.IsFalse(report.AreEqual, "Graphs should not have been reported as equal");
Assert.IsTrue(report.AddedTriples.Any(), "Difference should have reported some Added Triples");
}
public override bool Execute(PipelinePackage package, PackagePipelineContext context)
{
ZipArchive zipArchive = PackagePipelineHelpers.GetZipArchive(package, context);
IEnumerable<PackageEntry> entries = GetEntries(zipArchive);
IGraph graph = new Graph();
if (entries != null)
{
INode packageEntryPredicate = graph.CreateUriNode(Schema.Predicates.PackageEntry);
INode packageEntryType = graph.CreateUriNode(Schema.DataTypes.PackageEntry);
INode fullNamePredicate = graph.CreateUriNode(Schema.Predicates.FullName);
INode namePredicate = graph.CreateUriNode(Schema.Predicates.Name);
INode lengthPredicate = graph.CreateUriNode(Schema.Predicates.Length);
INode compressedLengthPredicate = graph.CreateUriNode(Schema.Predicates.CompressedLength);
INode rdfTypePredicate = graph.CreateUriNode(Schema.Predicates.Type);
INode resource = graph.CreateUriNode(context.Uri);
foreach (PackageEntry entry in entries)
{
Uri entryUri = new Uri(context.Uri.AbsoluteUri + "#" + entry.FullName);
INode entryNode = graph.CreateUriNode(entryUri);
graph.Assert(resource, packageEntryPredicate, entryNode);
graph.Assert(entryNode, rdfTypePredicate, packageEntryType);
graph.Assert(entryNode, fullNamePredicate, graph.CreateLiteralNode(entry.FullName));
graph.Assert(entryNode, namePredicate, graph.CreateLiteralNode(entry.Name));
graph.Assert(entryNode, lengthPredicate, graph.CreateLiteralNode(entry.Length.ToString(), Schema.DataTypes.Integer));
graph.Assert(entryNode, compressedLengthPredicate, graph.CreateLiteralNode(entry.CompressedLength.ToString(), Schema.DataTypes.Integer));
}
}
context.StageResults.Add(new GraphPackageMetadata(graph));
return true;
}
public void GraphMatchTrivial2()
{
Graph g = new Graph();
IBlankNode a = g.CreateBlankNode("b1");
IBlankNode b = g.CreateBlankNode("b2");
IBlankNode c = g.CreateBlankNode("b3");
INode pred = g.CreateUriNode(UriFactory.Create("http://predicate"));
g.Assert(a, pred, g.CreateLiteralNode("A"));
g.Assert(a, pred, b);
g.Assert(b, pred, g.CreateLiteralNode("B"));
g.Assert(b, pred, c);
g.Assert(c, pred, g.CreateLiteralNode("C"));
g.Assert(c, pred, a);
Graph h = new Graph();
IBlankNode a2 = h.CreateBlankNode("b4");
IBlankNode b2 = h.CreateBlankNode("b5");
IBlankNode c2 = h.CreateBlankNode("b3");
INode pred2 = h.CreateUriNode(UriFactory.Create("http://predicate"));
h.Assert(a2, pred2, h.CreateLiteralNode("A"));
h.Assert(a2, pred2, b2);
h.Assert(b2, pred2, h.CreateLiteralNode("B"));
h.Assert(b2, pred2, c2);
h.Assert(c2, pred2, h.CreateLiteralNode("C"));
h.Assert(c2, pred2, a2);
GraphDiffReport report = g.Difference(h);
if (!report.AreEqual)
{
TestTools.ShowDifferences(report);
}
Assert.IsTrue(report.AreEqual);
}
/// <summary>
///
/// </summary>
/// <param name="grafo"></param>
/// <param name="user"></param>
public void InsertDeviceOwner(ref Graph grafo, UserContextModel user)
{
grafo.NamespaceMap.AddNamespace("onto", new Uri("http://www.owl-ontologies.com/OntoAdapt2.owl#"));
INode sujeito = grafo.CreateUriNode("onto:" + user.Matricula);
INode rdfType = grafo.CreateUriNode("onto:hasDevice");
INode objeto = grafo.CreateUriNode("onto:" + Device.model_name);
Triple triple = new Triple(sujeito, rdfType, objeto);
grafo.Assert(triple);
}
public void GraphCreation1()
{
//Create a new Empty Graph
Graph g = new Graph();
Assert.NotNull(g);
//Define Namespaces
g.NamespaceMap.AddNamespace("vds", new Uri("http://www.vdesign-studios.com/dotNetRDF#"));
g.NamespaceMap.AddNamespace("ecs", new Uri("http://id.ecs.soton.ac.uk/person/"));
//Check we set the Namespace OK
Assert.True(g.NamespaceMap.HasNamespace("vds"), "Failed to set a Namespace");
//Set Base Uri
g.BaseUri = g.NamespaceMap.GetNamespaceUri("vds");
Assert.NotNull(g.BaseUri);
Assert.Equal(g.NamespaceMap.GetNamespaceUri("vds"), g.BaseUri);
//Create Uri Nodes
IUriNode rav08r, wh, lac, hcd;
rav08r = g.CreateUriNode("ecs:11471");
wh = g.CreateUriNode("ecs:1650");
hcd = g.CreateUriNode("ecs:46");
lac = g.CreateUriNode("ecs:60");
//Create Uri Nodes for some Predicates
IUriNode supervises, collaborates, advises, has;
supervises = g.CreateUriNode("vds:supervises");
collaborates = g.CreateUriNode("vds:collaborates");
advises = g.CreateUriNode("vds:advises");
has = g.CreateUriNode("vds:has");
//Create some Literal Nodes
ILiteralNode singleLine = g.CreateLiteralNode("Some string");
ILiteralNode multiLine = g.CreateLiteralNode("This goes over\n\nseveral\n\nlines");
ILiteralNode french = g.CreateLiteralNode("Bonjour", "fr");
ILiteralNode number = g.CreateLiteralNode("12", new Uri(g.NamespaceMap.GetNamespaceUri("xsd") + "integer"));
g.Assert(new Triple(wh, supervises, rav08r));
g.Assert(new Triple(lac, supervises, rav08r));
g.Assert(new Triple(hcd, advises, rav08r));
g.Assert(new Triple(wh, collaborates, lac));
g.Assert(new Triple(wh, collaborates, hcd));
g.Assert(new Triple(lac, collaborates, hcd));
g.Assert(new Triple(rav08r, has, singleLine));
g.Assert(new Triple(rav08r, has, multiLine));
g.Assert(new Triple(rav08r, has, french));
g.Assert(new Triple(rav08r, has, number));
//Now print all the Statements
Console.WriteLine("All Statements");
foreach (Triple t in g.Triples)
{
Console.WriteLine(t.ToString());
}
//Get statements about Rob Vesse
Console.WriteLine();
Console.WriteLine("Statements about Rob Vesse");
foreach (Triple t in g.GetTriples(rav08r))
{
Console.WriteLine(t.ToString());
}
//Get Statements about Collaboration
Console.WriteLine();
Console.WriteLine("Statements about Collaboration");
foreach (Triple t in g.GetTriples(collaborates))
{
Console.WriteLine(t.ToString());
}
//Attempt to output Turtle for this Graph
try
{
Console.WriteLine("Writing Turtle file graph_building_example.ttl");
TurtleWriter ttlwriter = new TurtleWriter();
ttlwriter.Save(g, "graph_building_example.ttl");
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Console.WriteLine(ex.StackTrace);
}
}