public void WritingCollectionCompressionComplex1() { SparqlConnector connector = new SparqlConnector(new VDS.RDF.Query.SparqlRemoteEndpoint(new Uri("http://dbpedia.org/sparql"))); Graph g = new Graph(); g.NamespaceMap.AddNamespace("ex", new Uri("http://example.org/")); g.NamespaceMap.AddNamespace("dnr", new Uri(ConfigurationLoader.ConfigurationNamespace)); INode n = g.CreateBlankNode(); g.Assert(g.CreateUriNode("ex:subj"), g.CreateUriNode("dnr:genericManager"), n); ConfigurationSerializationContext sContext = new ConfigurationSerializationContext(g); sContext.NextSubject = n; connector.SerializeConfiguration(sContext); CompressingTurtleWriterContext context = new CompressingTurtleWriterContext(g, Console.Out); WriterHelper.FindCollections(context); Assert.AreEqual(2, context.Collections.Count, "Expected 2 collections"); this.CheckCompressionRoundTrip(g); }
/// <summary> /// Tries to load a Generic IO Manager based on information from the Configuration Graph /// </summary> /// <param name="g">Configuration Graph</param> /// <param name="objNode">Object Node</param> /// <param name="targetType">Target Type</param> /// <param name="obj">Output Object</param> /// <returns></returns> public bool TryLoadObject(IGraph g, INode objNode, Type targetType, out object obj) { IGenericIOManager manager = null; obj = null; String server, user, pwd, store; bool isAsync; Object temp; INode storeObj; //Create the URI Nodes we're going to use to search for things INode propServer = ConfigurationLoader.CreateConfigurationNode(g, ConfigurationLoader.PropertyServer), propDb = ConfigurationLoader.CreateConfigurationNode(g, ConfigurationLoader.PropertyDatabase), propStore = ConfigurationLoader.CreateConfigurationNode(g, ConfigurationLoader.PropertyStore), propAsync = ConfigurationLoader.CreateConfigurationNode(g, ConfigurationLoader.PropertyAsync); switch (targetType.FullName) { case AllegroGraph: //Get the Server, Catalog and Store server = ConfigurationLoader.GetConfigurationString(g, objNode, propServer); if (server == null) return false; String catalog = ConfigurationLoader.GetConfigurationString(g, objNode, ConfigurationLoader.CreateConfigurationNode(g, ConfigurationLoader.PropertyCatalog)); store = ConfigurationLoader.GetConfigurationString(g, objNode, propStore); if (store == null) return false; //Get User Credentials ConfigurationLoader.GetUsernameAndPassword(g, objNode, true, out user, out pwd); if (user != null && pwd != null) { manager = new AllegroGraphConnector(server, catalog, store, user, pwd); } else { manager = new AllegroGraphConnector(server, catalog, store); } break; case DatasetFile: //Get the Filename and whether the loading should be done asynchronously String file = ConfigurationLoader.GetConfigurationString(g, objNode, ConfigurationLoader.CreateConfigurationNode(g, ConfigurationLoader.PropertyFromFile)); if (file == null) return false; file = ConfigurationLoader.ResolvePath(file); isAsync = ConfigurationLoader.GetConfigurationBoolean(g, objNode, propAsync, false); manager = new DatasetFileManager(file, isAsync); break; case Dydra: //Get the Account Name and Store String account = ConfigurationLoader.GetConfigurationString(g, objNode, ConfigurationLoader.CreateConfigurationNode(g, ConfigurationLoader.PropertyCatalog)); if (account == null) return false; store = ConfigurationLoader.GetConfigurationString(g, objNode, propStore); if (store == null) return false; //Get User Credentials ConfigurationLoader.GetUsernameAndPassword(g, objNode, true, out user, out pwd); if (user != null) { manager = new DydraConnector(account, store, user); } else { manager = new DydraConnector(account, store); } break; case FourStore: //Get the Server and whether Updates are enabled server = ConfigurationLoader.GetConfigurationString(g, objNode, propServer); if (server == null) return false; bool enableUpdates = ConfigurationLoader.GetConfigurationBoolean(g, objNode, ConfigurationLoader.CreateConfigurationNode(g, ConfigurationLoader.PropertyEnableUpdates), true); manager = new FourStoreConnector(server, enableUpdates); break; case Fuseki: //Get the Server URI server = ConfigurationLoader.GetConfigurationString(g, objNode, propServer); if (server == null) return false; manager = new FusekiConnector(server); break; case InMemory: //Get the Dataset/Store INode datasetObj = ConfigurationLoader.GetConfigurationNode(g, objNode, ConfigurationLoader.CreateConfigurationNode(g, ConfigurationLoader.PropertyUsingDataset)); if (datasetObj != null) { temp = ConfigurationLoader.LoadObject(g, datasetObj); if (temp is ISparqlDataset) { manager = new InMemoryManager((ISparqlDataset)temp); } else { throw new DotNetRdfConfigurationException("Unable to load the In-Memory Manager identified by the Node '" + objNode.ToString() + "' as the value given for the dnr:usingDataset property points to an Object that cannot be loaded as an object which implements the ISparqlDataset interface"); } } else { //If no dnr:usingDataset try dnr:usingStore instead storeObj = ConfigurationLoader.GetConfigurationNode(g, objNode, ConfigurationLoader.CreateConfigurationNode(g, ConfigurationLoader.PropertyUsingStore)); if (storeObj != null) { temp = ConfigurationLoader.LoadObject(g, storeObj); if (temp is IInMemoryQueryableStore) { manager = new InMemoryManager((IInMemoryQueryableStore)temp); } else { throw new DotNetRdfConfigurationException("Unable to load the In-Memory Manager identified by the Node '" + objNode.ToString() + "' as the value given for the dnr:usingStore property points to an Object that cannot be loaded as an object which implements the IInMemoryQueryableStore interface"); } } else { //If no dnr:usingStore either then create a new empty store manager = new InMemoryManager(); } } break; case Joseki: //Get the Query and Update URIs server = ConfigurationLoader.GetConfigurationString(g, objNode, propServer); if (server == null) return false; String queryService = ConfigurationLoader.GetConfigurationString(g, objNode, ConfigurationLoader.CreateConfigurationNode(g, ConfigurationLoader.PropertyQueryPath)); if (queryService == null) return false; String updateService = ConfigurationLoader.GetConfigurationString(g, objNode, ConfigurationLoader.CreateConfigurationNode(g, ConfigurationLoader.PropertyUpdatePath)); if (updateService == null) { manager = new JosekiConnector(server, queryService); } else { manager = new JosekiConnector(server, queryService, updateService); } break; case ReadOnly: //Get the actual Manager we are wrapping storeObj = ConfigurationLoader.GetConfigurationNode(g, objNode, ConfigurationLoader.CreateConfigurationNode(g, ConfigurationLoader.PropertyGenericManager)); temp = ConfigurationLoader.LoadObject(g, storeObj); if (temp is IGenericIOManager) { manager = new ReadOnlyConnector((IGenericIOManager)temp); } else { throw new DotNetRdfConfigurationException("Unable to load the Read-Only Connector identified by the Node '" + objNode.ToString() + "' as the value given for the dnr:genericManager property points to an Object which cannot be loaded as an object which implements the required IGenericIOManager interface"); } break; case ReadOnlyQueryable: //Get the actual Manager we are wrapping storeObj = ConfigurationLoader.GetConfigurationNode(g, objNode, ConfigurationLoader.CreateConfigurationNode(g, ConfigurationLoader.PropertyGenericManager)); temp = ConfigurationLoader.LoadObject(g, storeObj); if (temp is IQueryableGenericIOManager) { manager = new QueryableReadOnlyConnector((IQueryableGenericIOManager)temp); } else { throw new DotNetRdfConfigurationException("Unable to load the Queryable Read-Only Connector identified by the Node '" + objNode.ToString() + "' as the value given for the dnr:genericManager property points to an Object which cannot be loaded as an object which implements the required IQueryableGenericIOManager interface"); } break; case Sesame: case SesameV5: case SesameV6: //Get the Server and Store ID server = ConfigurationLoader.GetConfigurationString(g, objNode, propServer); if (server == null) return false; store = ConfigurationLoader.GetConfigurationString(g, objNode, propStore); if (store == null) return false; ConfigurationLoader.GetUsernameAndPassword(g, objNode, true, out user, out pwd); if (user != null && pwd != null) { manager = (IGenericIOManager)Activator.CreateInstance(targetType, new Object[] { server, store, user, pwd }); } else { manager = (IGenericIOManager)Activator.CreateInstance(targetType, new Object[] { server, store }); } break; case Sparql: //Get the Endpoint URI or the Endpoint server = ConfigurationLoader.GetConfigurationString(g, objNode, ConfigurationLoader.CreateConfigurationNode(g, ConfigurationLoader.PropertyEndpointUri)); //What's the load mode? String loadModeRaw = ConfigurationLoader.GetConfigurationString(g, objNode, ConfigurationLoader.CreateConfigurationNode(g, ConfigurationLoader.PropertyLoadMode)); SparqlConnectorLoadMethod loadMode = SparqlConnectorLoadMethod.Construct; if (loadModeRaw != null) { try { #if SILVERLIGHT loadMode = (SparqlConnectorLoadMethod)Enum.Parse(typeof(SparqlConnectorLoadMethod), loadModeRaw, false); #else loadMode = (SparqlConnectorLoadMethod)Enum.Parse(typeof(SparqlConnectorLoadMethod), loadModeRaw); #endif } catch { throw new DotNetRdfConfigurationException("Unable to load the SparqlConnector identified by the Node '" + objNode.ToString() + "' as the value given for the property dnr:loadMode is not valid"); } } if (server == null) { INode endpointObj = ConfigurationLoader.GetConfigurationNode(g, objNode, ConfigurationLoader.CreateConfigurationNode(g, ConfigurationLoader.PropertyEndpoint)); if (endpointObj == null) return false; temp = ConfigurationLoader.LoadObject(g, endpointObj); if (temp is SparqlRemoteEndpoint) { manager = new SparqlConnector((SparqlRemoteEndpoint)temp, loadMode); } else { throw new DotNetRdfConfigurationException("Unable to load the SparqlConnector identified by the Node '" + objNode.ToString() + "' as the value given for the property dnr:endpoint points to an Object which cannot be loaded as an object which is of the type SparqlRemoteEndpoint"); } } else { //Are there any Named/Default Graph URIs IEnumerable<Uri> defGraphs = from def in ConfigurationLoader.GetConfigurationData(g, objNode, ConfigurationLoader.CreateConfigurationNode(g, ConfigurationLoader.PropertyDefaultGraphUri)) where def.NodeType == NodeType.Uri select ((IUriNode)def).Uri; IEnumerable<Uri> namedGraphs = from named in ConfigurationLoader.GetConfigurationData(g, objNode, ConfigurationLoader.CreateConfigurationNode(g, ConfigurationLoader.PropertyNamedGraphUri)) where named.NodeType == NodeType.Uri select ((IUriNode)named).Uri; if (defGraphs.Any() || namedGraphs.Any()) { manager = new SparqlConnector(new SparqlRemoteEndpoint(new Uri(server), defGraphs, namedGraphs), loadMode); } else { manager = new SparqlConnector(new Uri(server), loadMode); } } break; case SparqlHttpProtocol: //Get the Service URI server = ConfigurationLoader.GetConfigurationString(g, objNode, propServer); if (server == null) return false; manager = new SparqlHttpProtocolConnector(new Uri(server)); break; case Stardog: //Get the Server and Store server = ConfigurationLoader.GetConfigurationString(g, objNode, propServer); if (server == null) return false; store = ConfigurationLoader.GetConfigurationString(g, objNode, propStore); if (store == null) return false; //Get User Credentials ConfigurationLoader.GetUsernameAndPassword(g, objNode, true, out user, out pwd); //Get Reasoning Mode StardogReasoningMode reasoning = StardogReasoningMode.None; String mode = ConfigurationLoader.GetConfigurationString(g, objNode, ConfigurationLoader.CreateConfigurationNode(g, ConfigurationLoader.PropertyLoadMode)); if (mode != null) { try { reasoning = (StardogReasoningMode)Enum.Parse(typeof(StardogReasoningMode), mode); } catch { reasoning = StardogReasoningMode.None; } } if (user != null && pwd != null) { manager = new StardogConnector(server, store, reasoning, user, pwd); } else { manager = new StardogConnector(server, store, reasoning); } break; case Talis: //Get the Store Name and User credentials store = ConfigurationLoader.GetConfigurationString(g, objNode, propStore); if (store == null) return false; ConfigurationLoader.GetUsernameAndPassword(g, objNode, true, out user, out pwd); if (user != null && pwd != null) { manager = new TalisPlatformConnector(store, user, pwd); } else { manager = new TalisPlatformConnector(store); } break; } obj = manager; return (manager != null); }
public void SparqlEndpointWithExtensions() { SparqlConnector endpoint = new SparqlConnector(new Uri("http://lod.openlinksw.com/sparql")); String testQuery = @"PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> SELECT * WHERE {?s rdfs:label ?label . ?label bif:contains " + "\"London\" } LIMIT 1"; Console.WriteLine("Testing Sparql Connector with vendor specific extensions in query"); Console.WriteLine(); Console.WriteLine(testQuery); try { Object results = endpoint.Query(testQuery); Assert.Fail("Parser should reject bif:contains QName"); } catch (RdfException) { //This is OK } endpoint.SkipLocalParsing = true; try { Object results = endpoint.Query(testQuery); TestTools.ShowResults(results); } catch (Exception ex) { Console.WriteLine(ex.Message); Console.WriteLine(ex.StackTrace); Assert.Fail("Query should run fine when local parsing is skipped"); } }