Examples with Property org.apache.jena.rdf.model.Property used on opensource projects

Example 46 with Property

use of org.apache.jena.rdf.model.Property in project jena by apache.

the class ExampleConstructQuads method main.

public static void main(String[] args) throws FileNotFoundException, IOException {
    // create testing data :
    // 1) default graph data
    Model model = ModelFactory.createDefaultModel();
    Resource s = model.createResource("http://eg.com/s");
    Property p = model.createProperty("http://eg.com/p");
    Resource o = model.createResource("http://eg.com/o");
    model.add(s, p, o);
    Dataset dataset = DatasetFactory.create(model);
    // 2) named graph data
    Model model1 = ModelFactory.createDefaultModel();
    Resource s1 = model.createResource("http://eg.com/s1");
    Property p1 = model.createProperty("http://eg.com/p1");
    Resource o1 = model.createResource("http://eg.com/o1");
    model1.add(s1, p1, o1);
    dataset.addNamedModel("http://eg.com/g1", model1);
    PrintUtil.printOut(dataset.asDatasetGraph().find());
    // construct named graph
    System.out.println("construct named graph:");
    String queryString = "CONSTRUCT { GRAPH ?g {<http://eg.com/s1> <http://eg.com/p1> ?o} } WHERE{ GRAPH ?g {<http://eg.com/s1> <http://eg.com/p1> ?o} }";
    Query query = QueryFactory.create(queryString, Syntax.syntaxARQ);
    try (QueryExecution qexec = QueryExecutionFactory.create(query, dataset)) {
        Iterator<Quad> quads = qexec.execConstructQuads();
        PrintUtil.printOut(quads);
    }
    System.out.println(query);
    // construct default graph 1
    System.out.println("construct default graph 1:");
    queryString = "CONSTRUCT {  {<http://eg.com/s1> <http://eg.com/p1> ?o} } WHERE{ GRAPH ?g {<http://eg.com/s1> <http://eg.com/p1> ?o} }";
    try (QueryExecution qexec = QueryExecutionFactory.create(query, dataset)) {
        Iterator<Quad> quads = qexec.execConstructQuads();
        PrintUtil.printOut(quads);
    }
    System.out.println(query);
    // construct default graph 2
    System.out.println("construct default graph 2:");
    queryString = "CONSTRUCT {<http://eg.com/s1> <http://eg.com/p1> ?o}  WHERE{ GRAPH ?g {<http://eg.com/s1> <http://eg.com/p1> ?o} }";
    query = QueryFactory.create(queryString, Syntax.syntaxARQ);
    try (QueryExecution qexec = QueryExecutionFactory.create(query, dataset)) {
        Iterator<Quad> quads = qexec.execConstructQuads();
        PrintUtil.printOut(quads);
    }
    System.out.println(query);
    // construct triples
    System.out.println("construct default graph 2:");
    queryString = "CONSTRUCT {<http://eg.com/s1> <http://eg.com/p1> ?o}  WHERE{ GRAPH ?g {<http://eg.com/s1> <http://eg.com/p1> ?o} }";
    query = QueryFactory.create(queryString, Syntax.syntaxARQ);
    try (QueryExecution qexec = QueryExecutionFactory.create(query, dataset)) {
        Iterator<Triple> triples = qexec.execConstructTriples();
        PrintUtil.printOut(triples);
    }
    System.out.println(query);
    // construct dataset
    System.out.println("construct dataset:");
    queryString = "CONSTRUCT { GRAPH ?g {<http://eg.com/s1> <http://eg.com/p1> ?o} } WHERE{ GRAPH ?g {<http://eg.com/s1> <http://eg.com/p1> ?o} }";
    query = QueryFactory.create(queryString, Syntax.syntaxARQ);
    try (QueryExecution qexec = QueryExecutionFactory.create(query, dataset)) {
        Dataset d = qexec.execConstructDataset();
        RDFDataMgr.write(System.out, d, Lang.TRIG);
    }
    System.out.println(query);
    // short form 1
    System.out.println("short form 1:");
    queryString = "CONSTRUCT WHERE{ GRAPH ?g {<http://eg.com/s1> <http://eg.com/p1> ?o} }";
    query = QueryFactory.create(queryString, Syntax.syntaxARQ);
    try (QueryExecution qexec = QueryExecutionFactory.create(query, dataset)) {
        Iterator<Quad> quads = qexec.execConstructQuads();
        PrintUtil.printOut(quads);
    }
    System.out.println(query);
    // short form 2
    System.out.println("short form 2:");
    queryString = "CONSTRUCT WHERE{ <http://eg.com/s> <http://eg.com/p> ?o }";
    query = QueryFactory.create(queryString, Syntax.syntaxARQ);
    try (QueryExecution qexec = QueryExecutionFactory.create(query, dataset)) {
        Iterator<Quad> quads = qexec.execConstructQuads();
        PrintUtil.printOut(quads);
    }
    System.out.println(query);
    // short form 3
    System.out.println("short form 3:");
    queryString = "CONSTRUCT WHERE{ <http://eg.com/s> <http://eg.com/p> ?o }";
    query = QueryFactory.create(queryString, Syntax.syntaxARQ);
    try (QueryExecution qexec = QueryExecutionFactory.create(query, dataset)) {
        Iterator<Triple> triples = qexec.execConstructTriples();
        PrintUtil.printOut(triples);
    }
    System.out.println(query);
    // short form 4
    System.out.println("short form 4:");
    queryString = "CONSTRUCT WHERE{ {<http://eg.com/s> <http://eg.com/p> ?o} }";
    query = QueryFactory.create(queryString, Syntax.syntaxARQ);
    try (QueryExecution qexec = QueryExecutionFactory.create(query, dataset)) {
        Iterator<Quad> quads = qexec.execConstructQuads();
        PrintUtil.printOut(quads);
    }
    System.out.println(query);
    // short form 4
    System.out.println("default graph projection:");
    queryString = "CONSTRUCT { {<http://eg.com/s> <http://eg.com/p> ?o} GRAPH ?g {<http://eg.com/s1> <http://eg.com/p1> ?o} } WHERE{ GRAPH ?g {<http://eg.com/s1> <http://eg.com/p1> ?o} }";
    query = QueryFactory.create(queryString, Syntax.syntaxARQ);
    try (QueryExecution qexec = QueryExecutionFactory.create(query, dataset)) {
        Iterator<Triple> triples = qexec.execConstructTriples();
        PrintUtil.printOut(triples);
    }
    System.out.println(query);
    // run-construct-quad-test
    System.out.println("run-construct-quad-test:");
    File[] tests = new File("testing/ARQ/Syntax/Syntax-ARQ").listFiles((dir, fname) -> {
        if (fname.startsWith("syntax-quad-construct-")) {
            return true;
        }
        return false;
    });
    for (File test : tests) {
        System.out.println("======== File: " + test.getName());
        try (BufferedReader br = new BufferedReader(new FileReader(test))) {
            String line = null;
            while ((line = br.readLine()) != null) {
                System.out.println(line);
            }
        }
        System.out.println("==== Output of parse/print file " + test.getName());
        try {
            Query q = QueryFactory.read(test.getAbsolutePath(), Syntax.syntaxARQ);
            System.out.println(q);
        } catch (QueryParseException ex) {
            System.out.println("File " + test.getAbsolutePath() + " : " + ex.getMessage());
        }
    }
}

Example 47 with Property

use of org.apache.jena.rdf.model.Property in project jena by apache.

the class ModelHelper method modelAdd.

/**
	 * add to a model all the statements expressed by a string.
	 * 
	 * Does not do any transaction manipulation.
	 * 
	 * @param m
	 *            the model to be updated
	 * @param facts
	 *            a sequence of semicolon-separated "S P O" facts
	 * @return the updated model
	 */
public static Model modelAdd(Model m, String facts) {
    StringTokenizer semis = new StringTokenizer(facts, ";");
    while (semis.hasMoreTokens()) {
        StringTokenizer st = new StringTokenizer(semis.nextToken());
        Resource sub = resource(st.nextToken());
        Property pred = property(st.nextToken());
        RDFNode obj = rdfNode(st.nextToken());
        m.add(sub, pred, obj);
    }
    return m;
}

Example 48 with Property

use of org.apache.jena.rdf.model.Property in project opentheso by miledrousset.

the class SynchroSparql method run.

@Override
public void run() {
    System.out.println("dans le run saprtql");
    String url = sparqlStruct.getAdresseServeur().replaceAll("http", "jdbc:virtuoso").trim() + ":1111";
    VirtGraph graph = new VirtGraph(sparqlStruct.getGraph(), url, sparqlStruct.getNom_d_utilisateur(), sparqlStruct.getMot_de_passe());
    String str = "CLEAR GRAPH <" + sparqlStruct.getGraph() + ">";
    VirtuosoUpdateRequest vur = VirtuosoUpdateFactory.create(str, graph);
    vur.exec();
    Model m = ModelFactory.createDefaultModel();
    DownloadBean db = new DownloadBean();
    db.setConnect(conn);
    StreamedContent file = db.thesoToFile(sparqlStruct.getThesaurus(), liste_lang, liste_group, 0);
    try {
        m.read(file.getStream(), null);
    } catch (Exception e) {
    // graph.close();
    }
    StmtIterator iter = m.listStatements();
    while (iter.hasNext()) {
        Statement stmt = iter.nextStatement();
        Resource subject = stmt.getSubject();
        Property predicate = stmt.getPredicate();
        RDFNode object = stmt.getObject();
        Triple tri = new Triple(subject.asNode(), predicate.asNode(), object.asNode());
        graph.add(tri);
    }
    graph.close();
}