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

com.hp.hpl.jena.rdf.model.Container
An RDF Container.
This interface defines methods for accessing RDF container resources. These methods operate on the RDF statements contained in a model. The container implementation may cache state from the underlying model, so objects should not be added to or removed from the container by directly manipulating its properties, whilst the container is being accessed through this interface.

When a member is deleted from a container using this interface, or an iterator returned through this interface, all the other members with higher ordinals are renumbered using an algorithm which may depend on the type of the container.

This interface provides methods supporting typed literals. This means that methods are provided which will translate a built in type, or an object to an RDF Literal. This translation is done by invoking the toString() method of the object, or its built in equivalent. The reverse translation is also supported. This is built in for built in types. Factory objects, provided by the application, are used for application objects.

This interface provides methods for supporting enhanced resources. An enhanced resource is a resource to which the application has added behaviour. RDF containers are examples of enhanced resources built in to this package. Enhanced resources are supported by encapsulating a resource created by an implementation in another class which adds the extra behaviour. Factory objects are used to construct such enhanced resources.

  
  public void getContainerResources (Resource resource, 
      Model model, String resourceName) {
    try {
        //No Container
        Container resourceBag = (Container) resource;
        NodeIterator nodeI = resourceBag.iterator();
        //OntResource resourceBag = (OntResource) resource;
        //NodeIterator nodeI = resourceBag.listPropertyValues(null); 
        while(nodeI.hasNext()) {
          RDFNode node = nodeI.nextNode();
          System.out.println("   node to check:" + node);

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  public void getContainerResources (Resource resource, 
      Model model, String resourceName) {
    try {
        //No Container
        Container resourceBag = (Container) resource;
        NodeIterator nodeI = resourceBag.iterator();
        //OntResource resourceBag = (OntResource) resource;
        //NodeIterator nodeI = resourceBag.listPropertyValues(null); 
        while(nodeI.hasNext()) {
          RDFNode node = nodeI.nextNode();
          System.out.println("   node to check:" + node);

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  }


  public void testContainerOfIntegers()
  {
    final int num = 10;
    final Container c = createContainer();
    for (int i = 0; i < num; i += 1)
    {
      c.add(i);
    }
    Assert.assertEquals(num, c.size());
    final NodeIterator it = c.iterator();
    for (int i = 0; i < num; i += 1)
    {
      Assert.assertEquals(i, ((Literal) it.nextNode()).getInt());
    }
    Assert.assertFalse(it.hasNext());

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  protected void testContainerOfIntegersWithRemoving( final boolean[] retain )
  {
    final int num = retain.length;
    final boolean[] found = new boolean[num];
    final Container c = createContainer();
    for (int i = 0; i < num; i += 1)
    {
      c.add(i);
    }
    final NodeIterator it = c.iterator();
    for (int i = 0; i < num; i += 1)
    {
      it.nextNode();
      if (retain[i] == false)
      {
        it.remove();
      }
    }
    final NodeIterator s = c.iterator();
    while (s.hasNext())
    {
      final int v = ((Literal) s.nextNode()).getInt();
      Assert.assertFalse(found[v]);
      found[v] = true;

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    }
  }


  public void testEmptyContainer()
  {
    final Container c = createContainer();
    Assert.assertTrue(model.contains(c, RDF.type, getContainerType()));
    Assert.assertEquals(0, c.size());
    Assert.assertFalse(c.contains(AbstractModelTestBase.tvBoolean));
    Assert.assertFalse(c.contains(AbstractModelTestBase.tvByte));
    Assert.assertFalse(c.contains(AbstractModelTestBase.tvShort));
    Assert.assertFalse(c.contains(AbstractModelTestBase.tvInt));
    Assert.assertFalse(c.contains(AbstractModelTestBase.tvLong));
    Assert.assertFalse(c.contains(AbstractModelTestBase.tvChar));
    Assert.assertFalse(c.contains(AbstractModelTestBase.tvFloat));
    Assert.assertFalse(c.contains(AbstractModelTestBase.tvString));
  }

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    Assert.assertFalse(c.contains(AbstractModelTestBase.tvString));
  }


  public void testFillingContainer()
  {
    final Container c = createContainer();
    final String lang = "fr";
    final Literal tvLiteral = model.createLiteral("test 12 string 2");
    // Resource tvResObj = model.createResource( new ResTestObjF() );
    c.add(AbstractModelTestBase.tvBoolean);
    Assert.assertTrue(c.contains(AbstractModelTestBase.tvBoolean));
    c.add(AbstractModelTestBase.tvByte);
    Assert.assertTrue(c.contains(AbstractModelTestBase.tvByte));
    c.add(AbstractModelTestBase.tvShort);
    Assert.assertTrue(c.contains(AbstractModelTestBase.tvShort));
    c.add(AbstractModelTestBase.tvInt);
    Assert.assertTrue(c.contains(AbstractModelTestBase.tvInt));
    c.add(AbstractModelTestBase.tvLong);
    Assert.assertTrue(c.contains(AbstractModelTestBase.tvLong));
    c.add(AbstractModelTestBase.tvChar);
    Assert.assertTrue(c.contains(AbstractModelTestBase.tvChar));
    c.add(AbstractModelTestBase.tvFloat);
    Assert.assertTrue(c.contains(AbstractModelTestBase.tvFloat));
    c.add(AbstractModelTestBase.tvString);
    Assert.assertTrue(c.contains(AbstractModelTestBase.tvString));
    c.add(AbstractModelTestBase.tvString, lang);
    Assert.assertTrue(c.contains(AbstractModelTestBase.tvString, lang));
    c.add(tvLiteral);
    Assert.assertTrue(c.contains(tvLiteral));
    // c.add( tvResObj ); assertTrue( c.contains( tvResObj ) );
    c.add(AbstractModelTestBase.tvLitObj);
    Assert.assertTrue(c.contains(AbstractModelTestBase.tvLitObj));
    Assert.assertEquals(11, c.size());
  }

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    {
      throw new IllegalArgumentException("Container may not be null");
    }


    // check that resource has a securedModel.
    Container goodContainer = container;
    if (goodContainer.getModel() == null)
    {
      container.asNode();
      goodContainer = securedModel.createBag();
    }

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  @Override
  @Before
  public void setup()
  {
    super.setup();
    final Container container = baseModel
        .getBag("http://example.com/testContainer");
    container.add("SomeDummyItem");
    setSecuredRDFNode(
        SecuredContainerImpl.getInstance(securedModel, container),
        container);
  }

View Full Code Here

  }


  public void testContainerOfIntegers()
  {
    final int num = 10;
    final Container c = createContainer();
    for (int i = 0; i < num; i += 1)
    {
      c.add(i);
    }
    Assert.assertEquals(num, c.size());
    final NodeIterator it = c.iterator();
    for (int i = 0; i < num; i += 1)
    {
      Assert.assertEquals(i, ((Literal) it.nextNode()).getInt());
    }
    Assert.assertFalse(it.hasNext());

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  protected void testContainerOfIntegersWithRemoving( final boolean[] retain )
  {
    final int num = retain.length;
    final boolean[] found = new boolean[num];
    final Container c = createContainer();
    for (int i = 0; i < num; i += 1)
    {
      c.add(i);
    }
    final NodeIterator it = c.iterator();
        for ( boolean aRetain : retain )
        {
            it.nextNode();
            if ( aRetain == false )
            {
                it.remove();
            }
        }
    final NodeIterator s = c.iterator();
    while (s.hasNext())
    {
      final int v = ((Literal) s.nextNode()).getInt();
      Assert.assertFalse(found[v]);
      found[v] = true;

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