public SparqlResult ExecuteQuery(SparqlQueryContext queryContext, IList<string> datasetGraphUris) { ISerializationFormat resultFormat; var resultStream = _client.ExecuteQuery(_storeName, queryContext.SparqlQuery, datasetGraphUris, null, queryContext.SparqlResultsFormat, queryContext.GraphResultsFormat, out resultFormat); return new SparqlResult(resultStream, resultFormat, queryContext); }
public SparqlResult ExecuteQuery(SparqlQueryContext queryContext, IList<string> datasetGraphUris) { var parser = new SparqlQueryParser(); var query = parser.ParseFromString(queryContext.SparqlQuery); var sparqlResults = _queryProcessor.ProcessQuery(query); return new SparqlResult(sparqlResults, queryContext); }
internal SparqlResult(object resultObject, SparqlQueryContext sparqlQueryContext) { if (resultObject == null) throw new ArgumentNullException(nameof(resultObject)); if (sparqlQueryContext == null) throw new ArgumentNullException(nameof(sparqlQueryContext)); SourceSparqlQueryContext = sparqlQueryContext; ResultGraph = resultObject as IGraph; if (ResultGraph == null) { ResultSet = resultObject as SparqlResultSet; if (ResultSet == null) { throw new ArgumentException( $"Result object must be either a {typeof (IGraph).FullName} or a {typeof (SparqlResultSet).FullName} instance. Got a {resultObject.GetType().FullName}"); } ResultFormat = sparqlQueryContext.SparqlResultsFormat ?? SparqlResultsFormat.Xml; } if (resultObject is IGraph) { ResultGraph = resultObject as IGraph; ResultFormat = sparqlQueryContext.GraphResultsFormat ?? RdfFormat.RdfXml; } }
internal SparqlResult(TextReader streamReader, ISerializationFormat resultFormat, SparqlQueryContext sparqlQueryContext) { ResultFormat = resultFormat; ParseResult(streamReader); SourceSparqlQueryContext = sparqlQueryContext; }
public override SparqlResult ExecuteSparql(SparqlQueryContext sparqlQueryContext) { var resultStream = new MemoryStream(); _serverCore.Query(_storeName, sparqlQueryContext.SparqlQuery, DataSetGraphUris, null, SparqlResultsFormat.Xml, RdfFormat.RdfXml, resultStream); resultStream.Seek(0, SeekOrigin.Begin); return new SparqlResult(resultStream, sparqlQueryContext); }
internal SparqlResult(Stream resultStream, ISerializationFormat resultFormat, SparqlQueryContext sparqlQueryContext) { if (resultStream == null) throw new ArgumentNullException(nameof(resultStream)); ResultFormat = resultFormat; SourceSparqlQueryContext = sparqlQueryContext; using (var reader = new StreamReader(resultStream)) { ParseResult(reader); } }
public abstract SparqlResult ExecuteSparql(SparqlQueryContext sparqlQueryContext);
public override SparqlResult ExecuteSparql(SparqlQueryContext sparqlQueryContext) { return new SparqlResult(Client.ExecuteQuery(sparqlQueryContext.SparqlQuery, DataSetGraphUris), sparqlQueryContext); }
public override SparqlResult ExecuteSparql(SparqlQueryContext sparqlQueryContext) { return Client.ExecuteQuery(sparqlQueryContext, DataSetGraphUris); }
private IEnumerable<Triple> GetTriplesForDataObject(string identity) { var queryContext = new SparqlQueryContext(string.Format(QueryTemplate, identity)); queryContext.SparqlResultsFormat = SparqlResultsFormat.Xml; queryContext.GraphResultsFormat = RdfFormat.NTriples; var results = Client.ExecuteQuery(queryContext, DataSetGraphUris); foreach(var row in results.ResultSet) { // create new triple var triple = new Triple { Subject = identity, Graph = row["g"].ToString(), Predicate = row["p"].ToString() }; var literal = row["o"] as ILiteralNode; if (literal != null) { var dt = literal.DataType?.ToString(); triple.LangCode = literal.Language; triple.DataType = dt ?? RdfDatatypes.String; triple.Object = literal.Value; triple.IsLiteral = true; } else { triple.Object = row["o"].ToString().Trim(); } yield return triple; } }
internal SparqlResult(string xml, SparqlQueryContext sparqlQueryContext) { _resultString = xml; SourceSparqlQueryContext = sparqlQueryContext; }
internal SparqlResult(Stream resultStream, SparqlQueryContext sparqlQueryContext) { _resultStream = resultStream; SourceSparqlQueryContext = sparqlQueryContext; }
internal SparqlResult(string resultString, ISerializationFormat resultFormat, SparqlQueryContext sparqlQueryContext) : this(new StringReader(resultString), resultFormat, sparqlQueryContext ) { }