Examples with SimpleGraph org.apache.clerezza.commons.rdf.impl.utils.simple.SimpleGraph used on opensource projects

Example 31 with SimpleGraph

use of org.apache.clerezza.commons.rdf.impl.utils.simple.SimpleGraph in project stanbol by apache.

the class ContentItemFactoryTest method testDefaultId.

/**
     * Test the generation of valid IDs if no or <code>null</code> is parsed
     * as id
     */
@Test
public void testDefaultId() throws IOException {
    ContentItem ci = contentItemFactory.createContentItem(TEST_CS);
    assertNotNull(ci);
    assertNotNull(ci.getUri());
    ci = contentItemFactory.createContentItem((IRI) null, TEST_CS);
    assertNotNull(ci);
    assertNotNull(ci.getUri());
    ci = contentItemFactory.createContentItem((IRI) null, TEST_CS, new SimpleGraph());
    assertNotNull(ci);
    assertNotNull(ci.getUri());
}

Example 32 with SimpleGraph

use of org.apache.clerezza.commons.rdf.impl.utils.simple.SimpleGraph in project stanbol by apache.

the class AbstractOntologyCollectorImpl method getMergedTc.

private Graph getMergedTc() {
    // Takes less memory than the Indexed one
    Graph result = new SimpleGraph();
    for (OWLOntologyID key : listManagedOntologies()) {
        // TODO when implemented, switch to true.
        Graph managed = getOntology(key, Graph.class, false);
        Set<RDFTerm> exclusions = new HashSet<RDFTerm>();
        Iterator<Triple> it = managed.filter(null, RDF.type, OWL.Ontology);
        while (it.hasNext()) exclusions.add(it.next().getSubject());
        for (Triple t : managed) if (!exclusions.contains(t.getSubject()))
            result.add(t);
    }
    return result;
}

Example 33 with SimpleGraph

use of org.apache.clerezza.commons.rdf.impl.utils.simple.SimpleGraph in project stanbol by apache.

the class JenaToClerezzaConverter method jenaModelToClerezzaGraph.

/**
	 * 
	 * Converts a Jena {@link Model} to Clerezza {@link Graph}.
	 * 
	 * @param model {@link Model}
	 * @return the equivalent Clerezza {@link Graph}.
	 */
public static org.apache.clerezza.commons.rdf.Graph jenaModelToClerezzaGraph(Model model) {
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    model.write(out);
    ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
    ParsingProvider parser = new JenaParserProvider();
    org.apache.clerezza.commons.rdf.Graph mGraph = new SimpleGraph();
    parser.parse(mGraph, in, SupportedFormat.RDF_XML, null);
    return mGraph;
}

Example 34 with SimpleGraph

use of org.apache.clerezza.commons.rdf.impl.utils.simple.SimpleGraph in project stanbol by apache.

the class IndexedGraphTest method testPerformance.

@Test
public void testPerformance() {
    //Reduced values to fix STANBOL-
    Set<Triple> graph = new HashSet<Triple>();
    //reduced from 1000
    int iterations = 100;
    int graphsize = 100000;
    Long seed = System.currentTimeMillis();
    log.info("Test Seed: {}", seed);
    createGraph(graph, graphsize, seed);
    log.info("Load Time ({} triples)", graph.size());
    long start = System.currentTimeMillis();
    Graph sg = new SimpleGraph(graph);
    log.info("  ... {}: {}", sg.getClass().getSimpleName(), System.currentTimeMillis() - start);
    start = System.currentTimeMillis();
    Graph ig = new IndexedGraph(graph);
    log.info("  ... {}: {}", ig.getClass().getSimpleName(), System.currentTimeMillis() - start);
    //Simple ImmutableGraph reference test
    //reduced form 100,5,100
    TestCase testCase = new TestCase(sg, 20, 5, 20);
    log.info("Filter Performance Test (graph size {} triples, iterations {})", graphsize, iterations);
    log.info(" --- TEST {} with {} triples ---", sg.getClass().getSimpleName(), sg.size());
    start = System.currentTimeMillis();
    List<Long> sgr = executeTest(sg, testCase, iterations);
    log.info(" --- TEST completed in {}ms", System.currentTimeMillis() - start);
    log.info(" --- TEST {} {} triples ---", ig.getClass().getSimpleName(), sg.size());
    start = System.currentTimeMillis();
    List<Long> igr = executeTest(ig, testCase, iterations);
    log.info(" --- TEST completed in {}ms", System.currentTimeMillis() - start);
    //validate filter implementation
    Assert.assertEquals(sgr, igr);
}

Example 35 with SimpleGraph

use of org.apache.clerezza.commons.rdf.impl.utils.simple.SimpleGraph in project stanbol by apache.

the class TestHtmlExtractor method testRdfaExtraction.

/**
     * This tests the RDFa extraction.
     *
     * @throws ExtractorException if there is an error during extraction
     * @throws IOException if there is an error when reading the document
     */
@Test
public void testRdfaExtraction() throws Exception {
    HtmlExtractor extractor = new HtmlExtractor(registry, parser);
    Graph model = new SimpleGraph();
    String testFile = "test-rdfa.html";
    // extract text from RDFa annotated html
    InputStream in = getResourceAsStream(testFile);
    assertNotNull("failed to load resource " + testFile, in);
    extractor.extract("file://" + testFile, in, null, "text/html", model);
    // show triples
    int tripleCounter = model.size();
    LOG.debug("RDFa triples: {}", tripleCounter);
    printTriples(model);
    assertEquals(8, tripleCounter);
    ClerezzaRDFUtils.makeConnected(model, new IRI("file://" + testFile), new IRI(NIE_NS + "contains"));
}