Examples of com.hp.hpl.jena.rdf.model.Model

com.hp.hpl.jena.rdf.model.Model
An RDF Model.
An RDF model is a set of Statements. Methods are provided for creating resources, properties and literals and the Statements which link them, for adding statements to and removing them from a model, for querying a model and set operations for combining models.
Models may create Resources [URI nodes and bnodes]. Creating a Resource does not make the Resource visible to the model; Resources are only "in" Models if Statements about them are added to the Model. Similarly the only way to "remove" a Resource from a Model is to remove all the Statements that mention it.
When a Resource or Literal is created by a Model, the Model is free to re-use an existing Resource or Literal object with the correct values, or it may create a fresh one. [All Jena RDFNodes and Statements are immutable, so this is generally safe.]
This interface defines a set of primitive methods. A set of convenience methods which extends this interface, e.g. performing automatic type conversions and support for enhanced resources, is defined in {@link ModelCon}.

System Properties

Firewalls and Proxies
Some of the methods, e.g. the read methods, may have to traverse a firewall. This can be accomplished using the standard java method of setting system properties. To use a socks proxy, include on the java command line:

-DsocksProxyHost=[your-proxy-domain-name-or-ip-address]

To use an http proxy, include on the command line:

-DproxySet=true -DproxyHost=[your-proxy] -DproxyPort=[your-proxy-port-number]

Alternatively, these properties can be set programatically, e.g.
System.getProperties().put("proxySet","true"); System.getProperties().put("proxyHost","proxy.hostname"); System.getProperties().put("proxyPort",port_number);

    userBeta.addProperty(ACCOUNTMANAGER.passwordSha1, Util.sha1(password));
    return userModel;
  }
  
  private Model createAuthorizationModel() {
    Model userModel = ModelFactory.createDefaultModel();
    Resource userBeta = userModel.createResource(FOAF.Person);
    Resource userSource = userModel.createResource(userSourceURL);
    userBeta.addProperty(AUTHORIZATION.mayImpersonate, userSource);
    userBeta.addProperty(ACCOUNTMANAGER.userName, username);
    return userModel;
  }

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  public void testUpdate() throws Exception {
    ToyClock clock = new ToyClock();
    Store store = getStoreImpl(clock);
    Source source = new SourceImpl("http://example.org/graph-source#");
    Model model0 = ModelFactory.createDefaultModel();
    model0.read(StoreTest.class.getResource("update-test0.rdf").toString());
    FCAGraph graph0 = new FCAGraphImpl(model0);
    clock.setTime(new Date());
    store.updateGraph(source, graph0);
    store = null;
    Thread.sleep(2);
    store = reGetStoreImpl();
    Model model1 = ModelFactory.createDefaultModel();
    model1.read(StoreTest.class.getResource("update-test1.rdf").toString());
    FCAGraph graph1 = new FCAGraphImpl(model1);
    clock.setTime(new Date());
    store.updateGraph(new SourceImpl("http://example.org/graph-source#"),
        graph1);
    FCAGraph graphR = store.getGraphOverTime(

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    // Model model1 = ModelFactory.createDefaultModel();
    // model1.createResource().addProperty(DC.subject, "test1");


    // Model model1 = modelWithStatements("_a dc:subject 'test1';
    // http://www.google.com/ foaf:maker 'ygf'");
    Model model1 = modelWithStatements("_a dc:subject _b");
    Model model2 = ModelFactory.createDefaultModel();
    model2.createResource().addProperty(DC.subject, "test2");
    graphs[0] = new FCAGraphImpl(model1);
    graphs[1] = new FCAGraphImpl(model2);
    clock.setTime(new W3CDateFormat()
    .parse("2006-05-01T16:30:00Z"));
    store.updateGraph(source, graphs[0]);

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  public void testSimpleIFP() throws Exception {
    ToyClock clock = new ToyClock();
    Store store = getStoreImpl(clock);
    Source source0 = new SourceImpl("http://example.org/graph-source0");
    Source source1 = new SourceImpl("http://example.org/graph-source1");
    Model model0 = modelWithStatements("_a dc:subject 'hello'; _a http://xmlns.com/foaf/0.1/mbox 'm'");
    Model model1 = modelWithStatements("_a rdfs:label 'hi'; _a http://xmlns.com/foaf/0.1/mbox 'm'");
    FCAGraph graph0 = new FCAGraphImpl(model0);
    FCAGraph graph1 = new FCAGraphImpl(model1);
    clock.setTime(new W3CDateFormat()
    .parse("2006-05-01T16:30:00Z"));
    store.updateGraph(source0, graph0);

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  public void testOneAndTwoNTifp() throws Exception {
    ToyClock clock = new ToyClock();
    Store store = getStoreImpl(clock);
    Source source0 = new SourceImpl("http://example.org/graph-source0");
    Source source1 = new SourceImpl("http://example.org/graph-source1");
    Model model0 = modelWithStatements("_a dc:subject 'hello'; _a http://xmlns.com/foaf/0.1/mbox 'm'; _a http://xmlns.com/foaf/0.1/mbox 'n'");
    Model model1 = modelWithStatements("_a rdfs:label 'hi'; _a http://xmlns.com/foaf/0.1/mbox 'm'");
    FCAGraph graph0 = new FCAGraphImpl(model0);
    FCAGraph graph1 = new FCAGraphImpl(model1);
    clock.setTime(new W3CDateFormat()
    .parse("2006-05-01T16:30:00Z"));
    store.updateGraph(source0, graph0);

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    Store store = getStoreImpl(clock);
    Source source0 = new SourceImpl("http://example.org/graph-source0");
    Source source1 = new SourceImpl("http://example.org/graph-source1");
    Source source2 = new SourceImpl("http://example.org/graph-source2");
    Source source3 = new SourceImpl("http://example.org/graph-source3");
    Model model0 = modelWithStatements("_a dc:subject 'hello'; _a http://xmlns.com/foaf/0.1/mbox 'm'; _a http://xmlns.com/foaf/0.1/mbox 'n'");
    Model model1 = modelWithStatements("_a rdfs:label 'hi'; _a http://xmlns.com/foaf/0.1/mbox 'm'");
    Model model2 = modelWithStatements("_a rdfs:comment 'foo'; _a http://xmlns.com/foaf/0.1/mbox 'n'; _a http://xmlns.com/foaf/0.1/mbox 'o'");
    Model model3 = modelWithStatements("_a rdfs:comment 'bar'; _a http://xmlns.com/foaf/0.1/mbox 'o'");
    FCAGraph graph0 = new FCAGraphImpl(model0);
    FCAGraph graph1 = new FCAGraphImpl(model1);
    FCAGraph graph2 = new FCAGraphImpl(model2);
    FCAGraph graph3 = new FCAGraphImpl(model3);
    clock.setTime(new W3CDateFormat()
        .parse("2006-05-01T16:30:00Z"));
    store.updateGraph(source0, graph0);
    clock.setTime(new W3CDateFormat()
    .parse("2006-05-01T16:32:00Z"));
    store.updateGraph(source1, graph1);
    store.updateGraph(source2, graph2);
    store.updateGraph(source3, graph3);
    Set<Source> sourceSet = new HashSet<Source>();
    sourceSet.add(source0);
    sourceSet.add(source1);
    sourceSet.add(source2);
    sourceSet.add(source3);
    FCAGraph retrievedGraph = store.getGraphOverTime(sourceSet).getGraph(
        new W3CDateFormat().parse("2006-06-01"));
    Model model = JenaUtil.getModelFromGraph(retrievedGraph);
    model.write(System.out);
    assertEquals(7, retrievedGraph.size());
  }

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    retrievedGraph = store.getGraphOverTime(sourceSet).getGraph(date2);
    assertEquals(graphs[1], retrievedGraph);
  }


  protected Model getModelFromResource(String resName) {
    Model model = ModelFactory.createDefaultModel();
    if (resName.endsWith("nt")) {
      model.read(StoreTest.class.getResource(resName).toString(), "N-TRIPLE");
    } else {
      model.read(StoreTest.class.getResource(resName).toString());
    }
    return model;
  }

View Full Code Here

    performTestsWithGraphs(graphs);
  }


  public void testFromFiles4b() throws Exception {
    // JenaParameters.disableBNodeUIDGeneration = true;
    Model m0 = ModelFactory.createDefaultModel();
    Model m1 = ModelFactory.createDefaultModel();
    m0.read(MinimumFailingGraphDetector.class.getResource("test4-m0.rdf")
        .toString());
    m1.read(MinimumFailingGraphDetector.class.getResource("test4-m1.rdf")
        .toString());
    // m1.read(MinimumFailingGraphDetector.class.getResource("test13-1.nt").toString(),
    // "N-TRIPLE");
    // m2.read(MinimumFailingGraphDetector.class.getResource("test14-2.nt").toString(),
    // "N-TRIPLE");

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    FCAGraph previousUnleanifiedGraph = null;
    // Model previousModel = null;


    for (int i = 0; i < 10; i++) {
      System.out.println("testing round " + i);
      Model model = ModelFactory.createDefaultModel();
      model.read(StoreTest.class.getResource("TestLeanError.rdf")
          .toString());


      FCAGraph unleanifiedGraph = new FCAGraphImpl(model);


      FCAGraph graph = new FCAGraphImpl(MoleculeBasedLeanifier

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   */
  public void testAddingTheSame() throws Exception {
    DateFormat dateFormat = new SimpleDateFormat("yyyyMMdd");
    ToyClock clock = new ToyClock();
    Store store = getStoreImpl(clock);
    Model model = modelWithStatements("_a dc:subject 'hello'; _a http://xmlns.com/foaf/0.1/mbox 'm'; _a http://xmlns.com/foaf/0.1/mbox 'n'");
    Date date1 = dateFormat.parse("20050607");
    Date date2 = dateFormat.parse("20060912");
    FCAGraph graph = new FCAGraphImpl(model);
    Source source = new SourceImpl("http://example.org/graph-source");
    clock.setTime(date1);

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Examples of com.hp.hpl.jena.rdf.model.Model

System Properties

Firewalls and Proxies

Related Classes of com.hp.hpl.jena.rdf.model.Model