private void RunTest(IFullTextIndexer indexer, String query, IEnumerable <INode> expected) { this.EnsureTestData(); indexer.Index(this._dataset); indexer.Dispose(); //Build the SPARQL Query and parse it SparqlParameterizedString queryString = new SparqlParameterizedString(query); queryString.Namespaces = this.GetQueryNamespaces(); SparqlQuery q = this._parser.ParseFromString(queryString); SparqlFormatter formatter = new SparqlFormatter(q.NamespaceMap); Console.WriteLine("Parsed Query:"); Console.WriteLine(formatter.Format(q)); Console.WriteLine("Expected Results:"); foreach (INode n in expected) { Console.WriteLine(n.ToString(formatter)); } Console.WriteLine(); LuceneSearchProvider provider = new LuceneSearchProvider(LuceneTestHarness.LuceneVersion, LuceneTestHarness.Index); try { q.AlgebraOptimisers = new IAlgebraOptimiser[] { new FullTextOptimiser(provider) }; LeviathanQueryProcessor processor = new LeviathanQueryProcessor(this._dataset); SparqlResultSet results = processor.ProcessQuery(q) as SparqlResultSet; if (results != null) { TestTools.ShowResults(results); foreach (INode n in expected) { Assert.IsTrue(results.Any(r => r.HasValue("match") && r["match"] != null && r["match"].Equals(n)), "Did not get expected ?match => " + formatter.Format(n)); } foreach (SparqlResult r in results) { Assert.IsTrue(r.HasValue("match") && r["match"] != null && expected.Contains(r["match"]), "Unexpected Match " + formatter.Format(r["match"])); } } else { Assert.Fail("Did not get a SPARQL Result Set as expected"); } } finally { provider.Dispose(); LuceneTestHarness.Index.Dispose(); } }
private void RunTest(IFullTextIndexer indexer, String query, int expectedResults, bool exact) { this.EnsureTestData(); indexer.Index(this._dataset); indexer.Dispose(); //Build the SPARQL Query and parse it SparqlParameterizedString queryString = new SparqlParameterizedString(query); queryString.Namespaces = this.GetQueryNamespaces(); SparqlQuery q = this._parser.ParseFromString(queryString); SparqlFormatter formatter = new SparqlFormatter(q.NamespaceMap); Console.WriteLine("Parsed Query:"); Console.WriteLine(formatter.Format(q)); LuceneSearchProvider provider = new LuceneSearchProvider(LuceneTestHarness.LuceneVersion, LuceneTestHarness.Index); FullTextPropertyFunctionFactory factory = new FullTextPropertyFunctionFactory(); try { PropertyFunctionFactory.AddFactory(factory); q.AlgebraOptimisers = new IAlgebraOptimiser[] { new FullTextOptimiser(provider) }; Options.AlgebraOptimisation = true; LeviathanQueryProcessor processor = new LeviathanQueryProcessor(this._dataset); SparqlResultSet results = processor.ProcessQuery(q) as SparqlResultSet; if (results != null) { TestTools.ShowResults(results); if (exact) { Assert.Equal(expectedResults, results.Count); } else { Assert.True(expectedResults >= results.Count, "Got more results that the expected maximum"); } } else { Assert.True(false, "Did not get a SPARQL Result Set as expected"); } } finally { PropertyFunctionFactory.RemoveFactory(factory); provider.Dispose(); LuceneTestHarness.Index.Dispose(); } }
/// <summary> /// Tries to load an object 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) { obj = null; INode index = g.CreateUriNode(new Uri(FullTextHelper.FullTextConfigurationNamespace + "index")); //INode indexer = g.CreateUriNode(new Uri(FullTextHelper.FullTextConfigurationNamespace + "indexer")); INode searcher = g.CreateUriNode(new Uri(FullTextHelper.FullTextConfigurationNamespace + "searcher")); INode analyzer = g.CreateUriNode(new Uri(FullTextHelper.FullTextConfigurationNamespace + "analyzer")); INode schema = g.CreateUriNode(new Uri(FullTextHelper.FullTextConfigurationNamespace + "schema")); INode version = g.CreateUriNode(new Uri(FullTextHelper.FullTextConfigurationNamespace + "version")); Object tempIndex, tempAnalyzer, tempSchema; int ver = 2900; //Always check for the version ver = ConfigurationLoader.GetConfigurationInt32(g, objNode, version, 2900); switch (targetType.FullName) { case DefaultIndexSchema: obj = new DefaultIndexSchema(); break; case FullTextOptimiser: //Need to get the Search Provider INode providerNode = ConfigurationLoader.GetConfigurationNode(g, objNode, searcher); if (providerNode == null) { throw new DotNetRdfConfigurationException("Unable to load the Full Text Optimiser specified by the Node '" + objNode.ToString() + "' as there was no value specified for the required dnr-ft:searcher property"); } Object tempSearcher = ConfigurationLoader.LoadObject(g, providerNode); if (tempSearcher is IFullTextSearchProvider) { obj = new FullTextOptimiser((IFullTextSearchProvider)tempSearcher); } else { throw new DotNetRdfConfigurationException("Unable to load the Full Text Optimiser specified by the Node '" + objNode.ToString() + "' as the value specified for the dnr-ft:searcher property pointed to an object which could not be loaded as a type that implements the required IFullTextSearchProvider interface"); } break; case LuceneObjectsIndexer: case LucenePredicatesIndexer: case LuceneSubjectsIndexer: case LuceneSearchProvider: //For any Lucene Indexer/Search Provider need to know the Index, Analyzer and Schema to be used //Then get the Index tempIndex = ConfigurationLoader.GetConfigurationNode(g, objNode, index); if (tempIndex == null) { throw new DotNetRdfConfigurationException("Unable to load the Lucene Indexer specified by the Node '" + objNode.ToString() + "' as there was no value specified for the required dnr-ft:index property"); } tempIndex = ConfigurationLoader.LoadObject(g, (INode)tempIndex); if (tempIndex is Directory) { //Next get the Analyzer (assume Standard if none specified) tempAnalyzer = ConfigurationLoader.GetConfigurationNode(g, objNode, analyzer); if (tempAnalyzer == null) { tempAnalyzer = new StandardAnalyzer(this.GetLuceneVersion(ver)); } else { tempAnalyzer = ConfigurationLoader.LoadObject(g, (INode)tempAnalyzer); } if (tempAnalyzer is Analyzer) { //Finally get the Schema (assume Default if none specified) tempSchema = ConfigurationLoader.GetConfigurationNode(g, objNode, schema); if (tempSchema == null) { tempSchema = new DefaultIndexSchema(); } else { tempSchema = ConfigurationLoader.LoadObject(g, (INode)tempSchema); } if (tempSchema is IFullTextIndexSchema) { //Now we can create the Object switch (targetType.FullName) { case LuceneObjectsIndexer: obj = new LuceneObjectsIndexer((Directory)tempIndex, (Analyzer)tempAnalyzer, (IFullTextIndexSchema)tempSchema); break; case LucenePredicatesIndexer: obj = new LucenePredicatesIndexer((Directory)tempIndex, (Analyzer)tempAnalyzer, (IFullTextIndexSchema)tempSchema); break; case LuceneSubjectsIndexer: obj = new LuceneSubjectsIndexer((Directory)tempIndex, (Analyzer)tempAnalyzer, (IFullTextIndexSchema)tempSchema); break; case LuceneSearchProvider: //Before the Search Provider has been loaded determine whether we need to carry out auto-indexing List <INode> sources = ConfigurationLoader.GetConfigurationData(g, objNode, g.CreateUriNode(new Uri(FullTextHelper.FullTextConfigurationNamespace + "buildIndexFor"))).ToList(); if (sources.Count > 0) { //If there are sources to index ensure we have an indexer to index with INode indexerNode = ConfigurationLoader.GetConfigurationNode(g, objNode, g.CreateUriNode(new Uri(FullTextHelper.FullTextConfigurationNamespace + "buildIndexWith"))); if (indexerNode == null) { throw new DotNetRdfConfigurationException("Unable to load the Lucene Search Provider specified by the Node '" + objNode.ToString() + "' as there were values specified for the dnr-ft:buildIndexFor property but no dnr-ft:buildIndexWith property was found"); } IFullTextIndexer indexer = ConfigurationLoader.LoadObject(g, indexerNode) as IFullTextIndexer; if (indexer == null) { throw new DotNetRdfConfigurationException("Unable to load the Lucene Search Provider specified by the Node '" + objNode.ToString() + "' as the value given for the dnr-ft:buildIndexWith property pointed to an Object which could not be loaded as a type that implements the required IFullTextIndexer interface"); } try { //For Each Source load it and Index it foreach (INode sourceNode in sources) { Object source = ConfigurationLoader.LoadObject(g, sourceNode); if (source is ISparqlDataset) { indexer.Index((ISparqlDataset)source); } else if (source is ITripleStore) { foreach (IGraph graph in ((ITripleStore)source).Graphs) { indexer.Index(graph); } } else if (source is IGraph) { indexer.Index((IGraph)source); } else { throw new DotNetRdfConfigurationException("Unable to load the Lucene Search Provider specified by the Node '" + objNode.ToString() + "' as a value given for the dnr-ft:buildIndexFor property ('" + sourceNode.ToString() + "') pointed to an Object which could not be loaded as a type that implements one of the required interfaces: IGraph, ITripleStore or ISparqlDataset"); } } } finally { indexer.Dispose(); } } //Then we actually load the Search Provider obj = new LuceneSearchProvider(this.GetLuceneVersion(ver), (Directory)tempIndex, (Analyzer)tempAnalyzer, (IFullTextIndexSchema)tempSchema); break; } } else { throw new DotNetRdfConfigurationException("Unable to load the Lucene Indexer specified by the Node '" + objNode.ToString() + "' as the value given for the dnr-ft:schema property pointed to an Object which could not be loaded as a type that implements the required IFullTextIndexSchema interface"); } } else { throw new DotNetRdfConfigurationException("Unable to load the Lucene Indexer specified by the Node '" + objNode.ToString() + "' as the value given for the dnr-ft:analyzer property pointed to an Object which could not be loaded as a type that derives from the required Lucene.Net.Analysis.Analyzer type"); } } else { throw new DotNetRdfConfigurationException("Unable to load the Lucene Indexer specified by the Node '" + objNode.ToString() + "' as the value given for the dnr-ft:index property pointed to an Object which could not be loaded as a type that derives from the required Lucene.Net.Store.Directory type"); } break; default: try { if (this._luceneAnalyzerType.IsAssignableFrom(targetType)) { if (targetType.GetConstructor(new Type[] { typeof(LucVersion) }) != null) { obj = Activator.CreateInstance(targetType, new Object[] { this.GetLuceneVersion(ver) }); } else { obj = Activator.CreateInstance(targetType); } } else if (this._luceneDirectoryType.IsAssignableFrom(targetType)) { String dir = ConfigurationLoader.GetConfigurationString(g, objNode, ConfigurationLoader.CreateConfigurationNode(g, ConfigurationLoader.PropertyFromFile)); if (dir != null) { try { obj = Activator.CreateInstance(targetType, new Object[] { dir }); } catch { MethodInfo method = targetType.GetMethod("Open", new Type[] { typeof(DirInfo) }); if (method != null) { obj = method.Invoke(null, new Object[] { new DirInfo(ConfigurationLoader.ResolvePath(dir)) }); } } } else { obj = Activator.CreateInstance(targetType); } //Ensure the Index if necessary if (obj != null) { if (ConfigurationLoader.GetConfigurationBoolean(g, objNode, g.CreateUriNode(new Uri(FullTextHelper.FullTextConfigurationNamespace + "ensureIndex")), false)) { IndexWriter writer = new IndexWriter((Directory)obj, new StandardAnalyzer(this.GetLuceneVersion(ver))); writer.Close(); } } } } catch { //Since we know we don't allow loading of all analyzers and directories we allow for users to inject other object factories //which may know how to load those specific instances obj = null; } break; } return(obj != null); }