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

Example 41 with Property

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

the class TestAssembler method model_6.

@Test
public void model_6() {
    Model assem = FileManager.get().loadModel(dir + "graph-assembler.ttl");
    Resource xNamed = assem.getResource("http://example/test#graphNamed");
    Store store = create(assem);
    // Named graph: Check they are connected to the same place in the store 
    Model model2 = (Model) Assembler.general.open(xNamed);
    Model model3 = (Model) Assembler.general.open(xNamed);
    Resource s = model2.createResource();
    Property p = model2.createProperty("http://example/p");
    // Check two models connected to the same graph 
    Literal o2 = model2.createLiteral("xyz");
    model2.add(s, p, o2);
    assertTrue(model3.contains(s, p, o2));
}

Example 42 with Property

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

the class ExTDB6 method main.

public static void main(String[] args) throws Exception {
    /// turn off the "No BGP optimizer warning"
    TDB.setOptimizerWarningFlag(false);
    final IRIFactory iriFactory = IRIFactory.semanticWebImplementation();
    final String DATASET_DIR_NAME = "data0";
    final Dataset data0 = TDBFactory.createDataset(DATASET_DIR_NAME);
    // show the currently registered names
    for (Iterator<String> it = data0.listNames(); it.hasNext(); ) {
        out.println("NAME=" + it.next());
    }
    out.println("getting named model...");
    /// this is the OWL portion
    final Model model = data0.getNamedModel(MY_NS);
    out.println("Model := " + model);
    out.println("getting graph...");
    /// this is the DATA in that MODEL
    final Graph graph = model.getGraph();
    out.println("Graph := " + graph);
    if (graph.isEmpty()) {
        final Resource product1 = model.createResource(iriFactory.construct(MY_NS + "product/1").toString());
        final Property hasName = model.createProperty(MY_NS, "#hasName");
        final Statement stmt = model.createStatement(product1, hasName, model.createLiteral("Beach Ball", "en"));
        out.println("Statement = " + stmt);
        model.add(stmt);
        // just for fun
        out.println("Triple := " + stmt.asTriple().toString());
    } else {
        out.println("Graph is not Empty; it has " + graph.size() + " Statements");
        long t0, t1;
        t0 = System.currentTimeMillis();
        final Query q = QueryFactory.create("PREFIX exns: <" + MY_NS + "#>\n" + "PREFIX exprod: <" + MY_NS + "product/>\n" + " SELECT * " + // +" WHERE { exprod:1 exns:hasName ?name }"
        " WHERE { ?res ?pred ?obj }");
        out.println("Query := " + q);
        t1 = System.currentTimeMillis();
        out.println("QueryFactory.TIME=" + (t1 - t0));
        t0 = System.currentTimeMillis();
        final QueryExecution qExec = QueryExecutionFactory.create(q, model);
        t1 = System.currentTimeMillis();
        out.println("QueryExecutionFactory.TIME=" + (t1 - t0));
        try {
            t0 = System.currentTimeMillis();
            ResultSet rs = qExec.execSelect();
            t1 = System.currentTimeMillis();
            out.println("executeSelect.TIME=" + (t1 - t0));
            while (rs.hasNext()) {
                QuerySolution sol = rs.next();
                out.println("Solution := " + sol);
                for (Iterator<String> names = sol.varNames(); names.hasNext(); ) {
                    final String name = names.next();
                    out.println("\t" + name + " := " + sol.get(name));
                }
            }
        } finally {
            qExec.close();
        }
    }
    out.println("closing graph");
    graph.close();
    out.println("closing model");
    model.close();
    //out.println("closing DataSetGraph");
    //dsg.close();
    out.println("closing DataSet");
    data0.close();
}

Example 43 with Property

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

the class AbstractWholeFileTripleInputFormatTests method generateTuples.

@Override
protected final void generateTuples(OutputStream output, int num) throws IOException {
    Model m = ModelFactory.createDefaultModel();
    Resource currSubj = m.createResource("http://example.org/subjects/0");
    Property predicate = m.createProperty("http://example.org/predicate");
    for (int i = 0; i < num; i++) {
        if (i % 10 == 0) {
            currSubj = m.createResource("http://example.org/subjects/" + (i / 10));
        }
        m.add(currSubj, predicate, m.createTypedLiteral(i));
    }
    this.writeTuples(m, output);
    output.close();
}

Example 44 with Property

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

the class AbstractCompressedWholeFileTripleInputFormatTests method generateTuples.

@Override
protected final void generateTuples(OutputStream output, int num) throws IOException {
    Model m = ModelFactory.createDefaultModel();
    Resource currSubj = m.createResource("http://example.org/subjects/0");
    Property predicate = m.createProperty("http://example.org/predicate");
    for (int i = 0; i < num; i++) {
        if (i % 10 == 0) {
            currSubj = m.createResource("http://example.org/subjects/" + (i / 10));
        }
        m.add(currSubj, predicate, m.createTypedLiteral(i));
    }
    this.writeTuples(m, output);
    output.close();
}

Example 45 with Property

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

the class AbstractWholeFileTripleInputFormatTests method generateMixedTuples.

@Override
protected final void generateMixedTuples(OutputStream output, int num) throws IOException {
    // Write good data
    Model m = ModelFactory.createDefaultModel();
    Resource currSubj = m.createResource("http://example.org/subjects/0");
    Property predicate = m.createProperty("http://example.org/predicate");
    for (int i = 0; i < num / 2; i++) {
        if (i % 10 == 0) {
            currSubj = m.createResource("http://example.org/subjects/" + (i / 10));
        }
        m.add(currSubj, predicate, m.createTypedLiteral(i));
    }
    this.writeTuples(m, output);
    // Write junk data
    byte[] junk = "junk data\n".getBytes(utf8);
    for (int i = 0; i < num / 2; i++) {
        output.write(junk);
    }
    output.flush();
    output.close();
}