C# Graph.GetBlankNode方法代码示例

        public static void Main(string[] args)
        {
            StreamWriter output = new StreamWriter("ConfigurationLoaderTests.txt");
            Console.SetOut(output);
            Console.WriteLine("## Configuration Loader Tests");
            Console.WriteLine();

            try
            {
                Console.WriteLine("Attempting to load our sample configuration graph");
                Graph g = new Graph();
                FileLoader.Load(g, "sample-config.ttl");
                Console.WriteLine("Sample graph loaded OK");
                Console.WriteLine();  
      
                //Test AppSettings resolution
                Console.WriteLine("# Testing <appSetting:Key> URI resolution");

                //Get the Actual Values
                String actualStr = ConfigurationManager.AppSettings["TestString"];
                bool actualTrue = Boolean.Parse(ConfigurationManager.AppSettings["TestTrue"]);
                bool actualFalse = Boolean.Parse(ConfigurationManager.AppSettings["TestFalse"]);
                int actualInt = Int32.Parse(ConfigurationManager.AppSettings["TestInt32"]);

                Console.WriteLine("Actual String: " + actualStr);
                Console.WriteLine("Actual True: " + actualTrue);
                Console.WriteLine("Actual False: " + actualFalse);
                Console.WriteLine("Actual Int: " + actualInt);

                //Now load the resolved values
                IUriNode objNode = g.GetUriNode(new Uri("dotnetrdf:test"));
                String resolvedStr = ConfigurationLoader.GetConfigurationString(g, objNode, ConfigurationLoader.CreateConfigurationNode(g, "dnr:stylesheet"));
                String resolvedStr2 = ConfigurationLoader.GetConfigurationValue(g, objNode, ConfigurationLoader.CreateConfigurationNode(g, "dnr:stylesheet"));
                bool resolvedTrue = ConfigurationLoader.GetConfigurationBoolean(g, objNode, ConfigurationLoader.CreateConfigurationNode(g, "dnr:cacheSliding"), false);
                bool resolvedFalse = ConfigurationLoader.GetConfigurationBoolean(g, objNode, ConfigurationLoader.CreateConfigurationNode(g, "dnr:showErrors"), true);
                int resolvedInt = ConfigurationLoader.GetConfigurationInt32(g, objNode, ConfigurationLoader.CreateConfigurationNode(g, "dnr:cacheDuration"), -1);

                Console.WriteLine("Resolved String: " + resolvedStr);
                Console.WriteLine("Resolved True: " + resolvedTrue);
                Console.WriteLine("Resolved False: " + resolvedFalse);
                Console.WriteLine("Resolved Int: " + resolvedInt);

                if (actualStr != resolvedStr) Console.WriteLine("AppSetting resolution failed");
                if (actualStr != resolvedStr2) Console.WriteLine("AppSetting resolution failed");
                if (resolvedStr != resolvedStr2) Console.WriteLine("AppSetting resolution failed");
                if (!resolvedTrue) Console.WriteLine("AppSetting resolution failed");
                if (actualTrue != resolvedTrue) Console.WriteLine("AppSetting resolution failed");
                if (resolvedFalse) Console.WriteLine("AppSetting resolution failed");
                if (actualFalse != resolvedFalse) Console.WriteLine("AppSetting resolution failed");
                if (actualInt != resolvedInt) Console.WriteLine("AppSetting resolution failed");

                //Attempt to load our MicrosoftSqlStoreManager from the Graph
                Console.WriteLine("# Attempting to load an object based on the Configuration Graph");
                INode testObj = g.GetUriNode(new Uri("dotnetrdf:sparqlDB"));
                if (testObj == null) throw new RdfException("Couldn't find the expected Test Object Node in the Graph");

                Object loaded = ConfigurationLoader.LoadObject(g, testObj);
                Console.WriteLine("Loaded an object, now need to check if it's of the type we expected...");
                if (loaded is ISqlIOManager)
                {
                    Console.WriteLine("It's an ISqlIOManager, is it for Microsoft SQL Server...");
                    if (loaded is MicrosoftSqlStoreManager)
                    {
                        Console.WriteLine("Success - Object loaded to correct type OK");
                    }
                    else
                    {
                        Console.WriteLine("Failure - Object loaded as " + loaded.GetType().ToString());
                    }
                }
                else
                {
                    Console.WriteLine("Failure - Object loaded as " + loaded.GetType().ToString());
                }
                Console.WriteLine();

                //Attempt to load it as a type for which there aren't any loaders defined
                ConfigurationLoader.ClearCache();
                Console.WriteLine("# Attempting to load the same object as a type for which there is no loader");
                try
                {
                    loaded = ConfigurationLoader.LoadObject(g, testObj, typeof(Triple));

                    Console.WriteLine("Failure - Loaded even though a bad type was provided");
                }
                catch (DotNetRdfConfigurationException configEx)
                {
                    Console.WriteLine("Success - Produced an error since there was no loader for the type provided:");
                    Console.WriteLine(configEx.Message);
                }
                Console.WriteLine();
                ConfigurationLoader.ClearCache();

                //Attempt to load a Graph from the Configuration
                Console.WriteLine("# Attempting to load a Graph which is defined in our configuration");
                testObj = g.GetBlankNode("a");
                ConfigurationLoaderTests.LoadGraphTest(g, testObj);

                Console.WriteLine("# Attempting to load another Graph which is defined in our configuration");
                testObj = g.GetBlankNode("b");
//.........这里部分代码省略.........