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

Example 91 with Resource

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

the class TestReasoners method doTestTransitiveReduction.

/**
     * Test that a transitive reduction is complete.
     * Assumes test graph has no cycles (other than the trivial
     * identity ones). 
     */
public void doTestTransitiveReduction(Model model, Property dp) {
    InfModel im = ModelFactory.createInfModel(ReasonerRegistry.getTransitiveReasoner(), model);
    for (ResIterator i = im.listSubjects(); i.hasNext(); ) {
        Resource base = i.nextResource();
        List<RDFNode> directLinks = new ArrayList<>();
        for (NodeIterator j = im.listObjectsOfProperty(base, dp); j.hasNext(); ) {
            directLinks.add(j.next());
        }
        for (int n = 0; n < directLinks.size(); n++) {
            Resource d1 = (Resource) directLinks.get(n);
            for (int m = n + 1; m < directLinks.size(); m++) {
                Resource d2 = (Resource) directLinks.get(m);
                if (im.contains(d1, dp, d2) && !base.equals(d1) && !base.equals(d2)) {
                    assertTrue("Triangle discovered in transitive reduction", false);
                }
            }
        }
    }
}

Example 92 with Resource

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

the class TestReasoners method testModelFactoryRDFS.

/**
     * Test the ModelFactory interface
     */
public void testModelFactoryRDFS() {
    Model data = ModelFactory.createDefaultModel();
    Property p = data.createProperty("urn:x-hp:ex/p");
    Resource a = data.createResource("urn:x-hp:ex/a");
    Resource b = data.createResource("urn:x-hp:ex/b");
    Resource C = data.createResource("urn:x-hp:ex/c");
    data.add(p, RDFS.range, C).add(a, p, b);
    Model result = ModelFactory.createRDFSModel(data);
    StmtIterator i = result.listStatements(b, RDF.type, (RDFNode) null);
    TestUtil.assertIteratorValues(this, i, new Object[] { data.createStatement(b, RDF.type, RDFS.Resource), data.createStatement(b, RDF.type, C) });
}

Example 93 with Resource

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

the class TestCurrentRDFWG method suite.

/**
     * Boilerplate for junit.
     * This is its own test suite
     */
public static TestSuite suite() {
    TestSuite suite = new TestSuite();
    try {
        Resource config = newResource().addProperty(ReasonerVocabulary.PROPsetRDFSLevel, "full");
        constructRDFWGtests(suite, RDFSRuleReasonerFactory.theInstance(), config);
    } catch (IOException e) {
        // failed to even built the test harness
        logger.error("Failed to construct RDF WG test harness", e);
    }
    return suite;
}

Example 94 with Resource

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

the class DatasetAssembler method createDataset.

public Dataset createDataset(Assembler a, Resource root, Mode mode) {
    // -------- Default graph
    // Can use ja:graph or ja:defaultGraph
    Resource dftGraph = GraphUtils.getResourceValue(root, DatasetAssemblerVocab.pDefaultGraph);
    if (dftGraph == null)
        dftGraph = GraphUtils.getResourceValue(root, DatasetAssemblerVocab.pGraph);
    Model dftModel = null;
    if (dftGraph != null)
        dftModel = a.openModel(dftGraph);
    else
        // Assembler description did not define one.
        dftModel = GraphFactory.makeDefaultModel();
    Dataset ds = DatasetFactory.create(dftModel);
    // -------- Named graphs
    List<RDFNode> nodes = GraphUtils.multiValue(root, DatasetAssemblerVocab.pNamedGraph);
    for (RDFNode n : nodes) {
        if (!(n instanceof Resource))
            throw new DatasetAssemblerException(root, "Not a resource: " + FmtUtils.stringForRDFNode(n));
        Resource r = (Resource) n;
        String gName = GraphUtils.getAsStringValue(r, DatasetAssemblerVocab.pGraphName);
        Resource g = GraphUtils.getResourceValue(r, DatasetAssemblerVocab.pGraph);
        if (g == null) {
            g = GraphUtils.getResourceValue(r, DatasetAssemblerVocab.pGraphAlt);
            if (g != null) {
                Log.warn(this, "Use of old vocabulary: use :graph not :graphData");
            } else {
                throw new DatasetAssemblerException(root, "no graph for: " + gName);
            }
        }
        Model m = a.openModel(g);
        ds.addNamedModel(gName, m);
    }
    AssemblerUtils.setContext(root, ds.getContext());
    return ds;
}

Example 95 with Resource

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

the class AssemblerUtils method build.

public static Object build(String assemblerFile, Resource type) {
    if (assemblerFile == null)
        throw new ARQException("No assembler file");
    Model spec = readAssemblerFile(assemblerFile);
    Resource root = null;
    try {
        root = GraphUtils.findRootByType(spec, type);
        if (root == null)
            return null;
    } catch (TypeNotUniqueException ex) {
        throw new ARQException("Multiple types for: " + DatasetAssemblerVocab.tDataset);
    }
    return Assembler.general.open(root);
}