public void StorageDydraRemoveTriples()
{
try
{
Options.HttpDebugging = true;
DydraConnector dydra = DydraTests.GetConnection();
Graph g = new Graph();
g.LoadFromEmbeddedResource("VDS.RDF.Configuration.configuration.ttl");
g.BaseUri = new Uri("http://example.org/storage/dydra/update/remove");
dydra.SaveGraph(g);
List <Triple> ts = new List <Triple>();
ts.Add(new Triple(g.CreateUriNode(new Uri("http://example.org/subject")), g.CreateUriNode(new Uri("http://example.org/predicate")), g.CreateUriNode(new Uri("http://example.org/object"))));
dydra.UpdateGraph(g.BaseUri, null, ts);
g = new Graph();
dydra.LoadGraph(g, "http://example.org/storage/dydra/update/remove");
Assert.IsTrue(ts.All(t => !g.ContainsTriple(t)), "Removed Triple should be in the Graph");
}
finally
{
Options.HttpDebugging = false;
}
}
public void StorageDydraSaveToDefaultGraph()
{
try
{
Options.HttpDebugging = true;
Graph orig = new Graph();
orig.LoadFromEmbeddedResource("VDS.RDF.Configuration.configuration.ttl");
orig.BaseUri = null;
DydraConnector dydra = DydraTests.GetConnection();
dydra.SaveGraph(orig);
Graph g = new Graph();
dydra.LoadGraph(g, (Uri)null);
if (orig.Triples.Count == g.Triples.Count)
{
Assert.AreEqual(orig, g, "Graphs should be equal");
}
else
{
Assert.IsTrue(g.HasSubGraph(orig), "Original Graph should be a sub-graph of retrieved Graph");
}
}
finally
{
Options.HttpFullDebugging = false;
Options.HttpDebugging = false;
}
}
public void StorageDydraConstructQuery()
{
try
{
Options.HttpDebugging = true;
//Options.HttpFullDebugging = true;
DydraConnector dydra = DydraTests.GetConnection();
Object results = dydra.Query("CONSTRUCT { ?s a ?type } WHERE { { ?s a ?type } UNION { GRAPH ?g { ?s a ?type } } }");
if (results is IGraph)
{
IGraph g = (IGraph)results;
TestTools.ShowResults(g);
}
else
{
Assert.Fail("Did not get a Graph as expected");
}
}
finally
{
Options.HttpFullDebugging = false;
Options.HttpDebugging = false;
}
}
public void StorageDydraListGraphs()
{
DydraConnector dydra = DydraTests.GetConnection();
List <Uri> graphUris = dydra.ListGraphs().ToList();
Console.WriteLine("Dydra returned " + graphUris.Count + " Graph URIs");
foreach (Uri u in graphUris)
{
Console.WriteLine(u.ToString());
}
}
public void StorageDydraDeleteGraph()
{
try
{
Options.HttpDebugging = true;
Graph orig = new Graph();
orig.LoadFromEmbeddedResource("VDS.RDF.Configuration.configuration.ttl");
orig.BaseUri = new Uri("http://example.org/storage/dydra/delete");
DydraConnector dydra = DydraTests.GetConnection();
dydra.SaveGraph(orig);
Graph g = new Graph();
dydra.LoadGraph(g, orig.BaseUri);
if (orig.Triples.Count == g.Triples.Count)
{
GraphDiffReport report = orig.Difference(g);
if (!report.AreEqual)
{
TestTools.ShowDifferences(report);
}
Assert.AreEqual(orig, g, "Graphs should be equal");
}
else
{
Assert.IsTrue(g.HasSubGraph(orig), "Original Graph should be a sub-graph of retrieved Graph");
}
//Now delete the Graph
dydra.DeleteGraph(orig.BaseUri);
//And retrieve it again
g = new Graph();
dydra.LoadGraph(g, orig.BaseUri);
Assert.IsTrue(g.IsEmpty, "Graph should be empty as was deleted from repository");
Assert.AreNotEqual(orig, g, "Graphs should not be equal");
}
finally
{
Options.HttpDebugging = false;
}
}
public void StorageDydraSaveToNamedGraph()
{
try
{
Options.HttpDebugging = true;
Graph orig = new Graph();
orig.LoadFromEmbeddedResource("VDS.RDF.Configuration.configuration.ttl");
orig.BaseUri = new Uri("http://example.org/storage/dydra/save/named/");
DydraConnector dydra = DydraTests.GetConnection();
dydra.SaveGraph(orig);
Graph g = new Graph();
dydra.LoadGraph(g, orig.BaseUri);
if (orig.Triples.Count == g.Triples.Count)
{
GraphDiffReport report = orig.Difference(g);
if (!report.AreEqual)
{
TestTools.ShowDifferences(report);
}
Assert.AreEqual(orig, g, "Graphs should be equal");
}
else
{
Assert.IsTrue(g.HasSubGraph(orig), "Original Graph should be a sub-graph of retrieved Graph");
}
}
finally
{
Options.HttpFullDebugging = false;
Options.HttpDebugging = false;
}
}
public void StorageDydraQuery()
{
try
{
Options.HttpDebugging = true;
DydraConnector dydra = DydraTests.GetConnection();
Object results = dydra.Query("SELECT * WHERE { { ?s a ?type } UNION { GRAPH ?g { ?s a ?type } } }");
if (results is SparqlResultSet)
{
SparqlResultSet rset = (SparqlResultSet)results;
TestTools.ShowResults(rset);
}
else
{
Assert.Fail("Did not get a SPARQL Result Set as expected");
}
}
finally
{
Options.HttpFullDebugging = false;
Options.HttpDebugging = false;
}
}
public void StorageDydraLoadGraphWithHandler()
{
try
{
Options.HttpDebugging = true;
Graph orig = new Graph();
orig.LoadFromEmbeddedResource("VDS.RDF.Configuration.configuration.ttl");
orig.BaseUri = new Uri("http://example.org/storage/dydra/tests/counting");
DydraConnector dydra = DydraTests.GetConnection();
dydra.DeleteGraph(orig.BaseUri);
dydra.SaveGraph(orig);
CountHandler handler = new CountHandler();
dydra.LoadGraph(handler, orig.BaseUri);
Assert.AreEqual(orig.Triples.Count, handler.Count, "Triple Counts should be equal");
}
finally
{
Options.HttpDebugging = false;
}
}
/// <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);
}