protected override ISparqlDataset GetEmptyDataset()
 {
     MicrosoftSqlStoreManager sql = new MicrosoftSqlStoreManager("unit_test", "example", "password");
     sql.DeleteGraph(TestGraphUri);
     sql.Flush();
     return new SqlDataset(sql);
 }
        public static void Main(String[] args)
        {
            try
            {
                String server = "localhost";
                Console.WriteLine("Enter Database Server: ");
                server = Console.ReadLine();
                if (server.Equals(String.Empty)) server = "localhost";
                String db = "bbcdemo";
                Console.WriteLine("Enter Database to check: ");
                db = Console.ReadLine();
                if (db.Equals(String.Empty)) db = "bbcdemo";

                Console.WriteLine("Checking Node Hash Codes for Database '" + db + "' on Server '" + server + "'");

                MicrosoftSqlStoreManager manager = new MicrosoftSqlStoreManager(server, db, "example", "password");

                DataTable nodeData = manager.ExecuteQuery("SELECT nodeID, nodeHash FROM NODES");
                Graph g = new Graph();

                int valid = 0;
                int invalid = 0;
                foreach (DataRow r in nodeData.Rows)
                {
                    INode n = manager.LoadNode(g, r["nodeID"].ToString());
                    int hash = Int32.Parse(r["nodeHash"].ToString());

                    if (hash == n.GetHashCode())
                    {
                        valid++;
                    }
                    else
                    {
                        invalid++;
                    }
                }

                manager.Dispose();

                Console.WriteLine(valid + " Nodes had Valid Hash Codes");
                Console.WriteLine(invalid + " Nodes had Invalid Hash Codes");

                Console.ReadLine();
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
                Console.WriteLine(ex.StackTrace);
                Exception innerEx = ex.InnerException;
                while (innerEx != null)
                {
                    Console.WriteLine();
                    Console.WriteLine(innerEx.Message);
                    Console.WriteLine(innerEx.StackTrace);
                    innerEx = innerEx.InnerException;
                }

                Console.ReadLine();
            }
        }
Beispiel #3
0
        /// <summary>
        /// Tries to load a SQL 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)
        {
            ISqlIOManager manager = null;
            String server, port, db, user, pwd;

            //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);

            //Get Server and Database details
            server = ConfigurationLoader.GetConfigurationString(g, objNode, propServer);
            if (server == null) server = "localhost";
            db = ConfigurationLoader.GetConfigurationString(g, objNode, propDb);
            if (db == null)
            {
                obj = null;
                return false;
            }

            //Get user credentials
            ConfigurationLoader.GetUsernameAndPassword(g, objNode, true, out user, out pwd);

            //Based on this information create a Manager if possible
            switch (targetType.FullName)
            {
                case MicrosoftSqlManager:
                    if (user == null || pwd == null)
                    {
                        manager = new MicrosoftSqlStoreManager(server, db);
                    }
                    else
                    {
                        manager = new MicrosoftSqlStoreManager(server, db, user, pwd);
                    }
                    break;

                case MySqlManager:
                    if (user != null && pwd != null)
                    {
                        manager = new MySqlStoreManager(server, db, user, pwd);
                    }
                    break;

            }
            obj = manager;
            return (manager != null);
        }
        public void SparqlDefaultGraphExists6()
        {
            MicrosoftSqlStoreManager db = new MicrosoftSqlStoreManager("localhost", "unit_test", "example", "password");
            db.PreserveState = true;
            SqlTripleStore store = new SqlTripleStore(db);

            //Create Default Graph only if required
            if (!store.HasGraph(null))
            {
                Graph g = new Graph();
                g.Assert(g.CreateUriNode(new Uri("http://example.org/subject")), g.CreateUriNode(new Uri("http://example.org/predicate")), g.CreateUriNode(new Uri("http://example.org/object")));
                store.Add(g);
                store.Flush();
            }

            Object results = store.ExecuteQuery("ASK WHERE { GRAPH <dotnetrdf:default-graph> { ?s ?p ?o }}");
            if (results is SparqlResultSet)
            {
                Assert.IsTrue(((SparqlResultSet)results).Result);
            }
            else
            {
                Assert.Fail("ASK Query did not return a SPARQL Result Set as expected");
            }

            store.Flush();
            db.PreserveState = false;
            store.Dispose();
        }
        public static void Main(string[] args)
        {
            StreamWriter output = new StreamWriter("SQLStoreTest.txt");
            Console.SetOut(output);
            Console.WriteLine("## SQL Store Test");

            //Set default parameters if insufficient supplied
            if (args.Length < 5)
            {
                args = new string[] { "read", "10", "false", "false", "8" };
            }

            try
            {
                //Read in the Parameters
                String testMode = args[0].ToLower();
                if (testMode != "read" && testMode != "write")
                {
                    testMode = "read";
                }
                int runs = Int32.Parse(args[1]);
                if (runs < 1) runs = 1;
                bool reuseManager = Boolean.Parse(args[2]);
                bool useThreadedManager = Boolean.Parse(args[3]);
                int threads = Int32.Parse(args[4]);
                if (threads < 1) threads = 4;

                #region Basic Tests

                //Do some basic operations
                Console.WriteLine("# Basic Read and Write of normal Graphs");

                //Read in a Test Graph from a Turtle File
                Graph g = new Graph();
                g.BaseUri = new Uri("http://www.dotnetrdf.org/Tests/SQLStore/");
                TurtleParser ttlparser = new TurtleParser();
                ttlparser.Load(g, "InferenceTest.ttl");

                Console.WriteLine("Loaded the InferenceTest.ttl file as the Test Graph");
                Console.WriteLine("Attempting to save into the SQL Store");

                //Save to a Store using SqlWriter
                SqlWriter sqlwriter = new SqlWriter("dotnetrdf_experimental", "sa", "20sQl08");
                sqlwriter.Save(g, false);

                Console.WriteLine("Saved to the SQL Store");

                //Read back from the Store using SqlReader
                IGraph h = new Graph();
                Console.WriteLine("Trying to read the Graph back from the SQL Store");
                SqlReader sqlreader = new SqlReader("dotnetrdf_experimental", "sa", "20sQl08");
                h = sqlreader.Load("http://www.dotnetrdf.org/Tests/SQLStore/");

                Console.WriteLine("Read from SQL Store OK");

                foreach (String prefix in h.NamespaceMap.Prefixes)
                {
                    Console.WriteLine(prefix + ": <" + h.NamespaceMap.GetNamespaceUri(prefix).ToString() + ">");
                }
                Console.WriteLine();
                foreach (Triple t in h.Triples)
                {
                    Console.WriteLine(t.ToString());
                }

                Console.WriteLine("# Test Passed");
                Console.WriteLine();

                //Demonstrate that the SqlGraph persists stuff to the Store
                Console.WriteLine("# Advanced Read and Write with a SQLGraph");

                SqlGraph s = new SqlGraph(new Uri("http://www.dotnetrdf.org/Tests/SQLStore"), "dotnetrdf_experimental", "sa", "20sQl08");
                Console.WriteLine("Opened the SQL Graph OK");

                INode type = s.CreateUriNode("rdf:type");

                s.Assert(new Triple(type, type, type));

                Console.WriteLine("Asserted something");

                s.NamespaceMap.AddNamespace("ex", new Uri("http://www.example.org/"));
                Console.WriteLine("Added a Namespace");

                s.NamespaceMap.AddNamespace("ex", new Uri("http://www.example.org/changedNamespace/"));
                Console.WriteLine("Changed a Namespace");

                Console.WriteLine("Reopening to see if stuff gets loaded correctly");
                s = new SqlGraph(new Uri("http://www.dotnetrdf.org/Tests/SQLStore"), "dotnetrdf_experimental", "sa", "20sQl08");

                foreach (String prefix in s.NamespaceMap.Prefixes)
                {
                    Console.WriteLine(prefix + ": <" + s.NamespaceMap.GetNamespaceUri(prefix).ToString() + ">");
                }
                Console.WriteLine();
                foreach (Triple t in s.Triples)
                {
                    Console.WriteLine(t.ToString());
                }
                Console.WriteLine();

                s.Retract(new Triple(type, type, type));
                Console.WriteLine("Retracted something");

                foreach (Triple t in s.Triples)
                {
                    Console.WriteLine(t.ToString());
                }

                #endregion

                #region Benchmarking Tests

                Console.WriteLine();
                Console.WriteLine("# Performance Benchmarking for a Large TripleStore");
                Console.WriteLine("Performing " + runs + " Runs to gauge average performance");

                int totalTriples = 0;
                long totalTime = 0;
                long diff;
                DateTime start, finish;
                int triples;

                if (testMode.Equals("read"))
                {
                    //Read Benchmark
                    Console.WriteLine("Read Benchmarking");

                    if (reuseManager)
                    {
                        Console.WriteLine("Reusing ISQLIOManager which should improve performance");
                    }
                    if (useThreadedManager)
                    {
                        Console.WriteLine("Using IThreadedSQLIOManager which should improve perfomance");
                    }

                    //Create the Manager
                    IThreadedSqlIOManager manager;
                    manager = new MicrosoftSqlStoreManager("localhost", "bbcone", "sa", "20sQl08");
                    if (reuseManager)
                    {
                        manager.PreserveState = true;
                    }

                    //Perform the Runs
                    for (int i = 1; i <= runs; i++)
                    {
                        Console.WriteLine("Run #" + i);
                        Debug.WriteLine("Run #" + i);

                        //Start Profiling
                        start = DateTime.Now;
                        Console.WriteLine("Starting Loading @ " + start.ToString(TestSuite.TestSuiteTimeFormat));
                        Debug.WriteLine("Start @ " + start.ToString(TestSuite.TestSuiteTimeFormat));

                        //Set-up the Manager as required by the Test Options
                        ITripleStore bigstore;
                        if (reuseManager)
                        {
                            if (useThreadedManager)
                            {
                                bigstore = new ThreadedSqlTripleStore((IThreadedSqlIOManager)manager, threads);
                            }
                            else
                            {
                                bigstore = new SqlTripleStore(manager);
                            }
                        }
                        else
                        {
                            if (useThreadedManager)
                            {
                                bigstore = new ThreadedSqlTripleStore(manager, threads);
                            }
                            else
                            {
                                bigstore = new SqlTripleStore(manager);
                            }
                        }

                        //End Profiling
                        finish = DateTime.Now;
                        Console.WriteLine("Finished Loading @ " + finish.ToString(TestSuite.TestSuiteTimeFormat));
                        Debug.WriteLine("Finish @ " + finish.ToString(TestSuite.TestSuiteTimeFormat));

                        //Increment Totals for final average calculations later
                        triples = bigstore.Triples.Count();
                        totalTriples += triples;
                        Console.WriteLine(triples + " Triples loaded");

                        //Compute Load Rate
                        diff = Microsoft.VisualBasic.DateAndTime.DateDiff(Microsoft.VisualBasic.DateInterval.Second, start, finish, Microsoft.VisualBasic.FirstDayOfWeek.Monday, Microsoft.VisualBasic.FirstWeekOfYear.System);
                        totalTime += diff;
                        Console.WriteLine("Load took " + diff + " seconds");
                        Console.WriteLine("Load Rate was " + triples / diff + " Triples/Second");
                        Debug.WriteLine("Load Rate was " + triples / diff + " Triples/Second");
                        Console.WriteLine();

                        bigstore.Dispose();
                    }
                }
                else
                {
                    //Write Benchmark
                    Console.WriteLine("Write Benchmarking");

                    //Load in the Source Data from our Test Store
                    ITripleStore origstore;
                    IThreadedSqlIOManager readManager = new MicrosoftSqlStoreManager("localhost", "dotnetrdf_experimental", "sa", "20sQl08");
                    Console.WriteLine();
                    Console.WriteLine("Obtaining Test Data");

                    start = DateTime.Now;
                    Console.WriteLine("Starting Loading @ " + start.ToString(TestSuite.TestSuiteTimeFormat));
                    Debug.WriteLine("Start @ " + start.ToString(TestSuite.TestSuiteTimeFormat));

                    //Do the Load
                    origstore = new ThreadedSqlTripleStore(readManager,8);
                    finish = DateTime.Now;
                    triples = origstore.Triples.Count();

                    Console.WriteLine("Finished Loading @ " + finish.ToString(TestSuite.TestSuiteTimeFormat));
                    Debug.WriteLine("Finish @ " + finish.ToString(TestSuite.TestSuiteTimeFormat));

                    //Compute Load Rate
                    diff = Microsoft.VisualBasic.DateAndTime.DateDiff(Microsoft.VisualBasic.DateInterval.Second, start, finish, Microsoft.VisualBasic.FirstDayOfWeek.Monday, Microsoft.VisualBasic.FirstWeekOfYear.System);
                    Console.WriteLine("Load took " + diff + " seconds");
                    if (diff > 0)
                    {
                        Console.WriteLine("Load Rate was " + triples / diff + " Triples/Second");
                        Debug.WriteLine("Load Rate was " + triples / diff + " Triples/Second");
                    }
                    Console.WriteLine();

                    IThreadedSqlIOManager writeManager;

                    for (int i = 1; i <= runs; i++) 
                    {
                        Console.WriteLine("Run #" + i);
                        Debug.WriteLine("Run #" + i);

                        //Create a New Manager for every write
                        writeManager = new MicrosoftSqlStoreManager("localhost", "write_test", "sa", "20sQl08");

                        //Create SqlWriter
                        ThreadedSqlStoreWriter writer = new ThreadedSqlStoreWriter();

                        //Start Profiling
                        start = DateTime.Now;
                        Console.WriteLine("Starting Loading @ " + start.ToString(TestSuite.TestSuiteTimeFormat));
                        Debug.WriteLine("Start @ " + start.ToString(TestSuite.TestSuiteTimeFormat));

                        //Write the Store
                        writer.Save(origstore, new ThreadedSqlIOParams(writeManager,threads));
                        
                        //End Profiling
                        finish = DateTime.Now;
                        Console.WriteLine("Finished Loading @ " + finish.ToString(TestSuite.TestSuiteTimeFormat));
                        Debug.WriteLine("Finish @ " + finish.ToString(TestSuite.TestSuiteTimeFormat));

                        //Compute Load Rate
                        diff = Microsoft.VisualBasic.DateAndTime.DateDiff(Microsoft.VisualBasic.DateInterval.Second, start, finish, Microsoft.VisualBasic.FirstDayOfWeek.Monday, Microsoft.VisualBasic.FirstWeekOfYear.System);
                        totalTime += diff;
                        Console.WriteLine("Writing took " + diff + " seconds");
                        if (diff > 0)
                        {
                            Console.WriteLine("Write Rate was " + triples / diff + " Triples/Second");
                            Debug.WriteLine("Write Rate was " + triples / diff + " Triples/Second");
                        }
                        Console.WriteLine();

                        //Now need to clear the Database for the next Test
                        writeManager.Open(true);
                        writeManager.ExecuteNonQuery("DELETE FROM NODES");
                        writeManager.ExecuteNonQuery("DELETE FROM TRIPLES");
                        writeManager.ExecuteNonQuery("DELETE FROM GRAPH_TRIPLES");
                        writeManager.ExecuteNonQuery("DELETE FROM GRAPHS");
                        writeManager.ExecuteNonQuery("DELETE FROM NAMESPACES");
                        writeManager.ExecuteNonQuery("DELETE FROM NS_PREFIXES");
                        writeManager.ExecuteNonQuery("DELETE FROM NS_URIS");
                        writeManager.Close(true);
                    }
                }

                //Final Average Calculations
                Console.WriteLine();
                Console.WriteLine("Average Load Time was " + totalTime / runs + " seconds");
                Console.WriteLine("Average Load Rate was " + totalTriples / totalTime + " Triples/Second");

                #endregion

                Console.WriteLine("# Tests Passed");
                

            }
            catch (System.Data.SqlClient.SqlException sqlEx)
            {
                reportError(output, "SQL Exception", sqlEx);
            }
            catch (IOException ioEx)
            {
                reportError(output, "IO Exception", ioEx);
            }
            catch (RdfParseException parseEx)
            {
                reportError(output, "Parsing Exception", parseEx);
            }
            catch (RdfException rdfEx)
            {
                reportError(output, "RDF Exception", rdfEx);
            }
            catch (Exception ex)
            {
                reportError(output, "Other Exception", ex);
            }

            output.Close();
        }
        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();
        }
 public void ParsingWriteToStoreHandlerBNodesAcrossBatchesSql()
 {
     MicrosoftSqlStoreManager sql = new MicrosoftSqlStoreManager("unit_test", "example", "password");
     this.TestWriteToStoreHandlerWithBNodes(sql);
     sql.Dispose();
 }