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

com.hp.hpl.jena.rdf.model.ResIterator
An iterator which returns RDF Resources.
RDF iterators are standard Java iterators, except that they have an extra method that returns a specifically typed object, in this case RDF Resource, and have a close() method that should be called to free resources if the caller does not complete the iteration.

   * @param metaModel
   */
  public void loadFromModel(Model metaModel) {
//    ResIterator  resIterator = metaModel.listSubjectsWithProperty(RDF.type,
//        METAMODEL.Assertion);
    ResIterator  resIterator = metaModel.listSubjectsWithProperty(METAMODEL.asserter);
    while (resIterator.hasNext()) {
      Resource assertion = resIterator.nextResource();
      
      Resource assertedComponent = assertion.getProperty(
          METAMODEL.assertedComponent).getResource();
      Resource type = null;
      StmtIterator typeIter = assertedComponent.listProperties(RDF.type);

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  public Set<NamedNode> getAsserted(Set<Source> sources, Date moment,
      Resource type) {
    Set<NamedNode> result = new HashSet<NamedNode>();
    for (Source source : sources) {
      Resource sourceRes = metaModel.createResource(source.getURIRef());
      ResIterator assertions = metaModel.listSubjectsWithProperty(
          METAMODEL.asserter, sourceRes);
      while (assertions.hasNext()) {
        Resource assertion = assertions.nextResource();
        Literal assertionTimeLit = assertion.getProperty(
            METAMODEL.assertionTime).getLiteral();
        Resource assertedComponent = assertion.getProperty(
            METAMODEL.assertedComponent).getResource();
        if (!assertedComponent.hasProperty(RDF.type, type)) {

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  private Resource getAssertionOf(Source source, NamedNode componentName,
      Date moment) {
    Resource sourceRes = metaModel.createResource(source.getURIRef());
    Resource component = metaModel
        .createResource(componentName.getURIRef());
    ResIterator assertionsOfComponent = metaModel.listSubjectsWithProperty(
        METAMODEL.assertedComponent, component);
    while (assertionsOfComponent.hasNext()) {
      Resource assertion = assertionsOfComponent.nextResource();
      if (!assertion.hasProperty(METAMODEL.asserter, sourceRes)) {
        continue;
      }
      Literal assertionTimeLit = assertion.getProperty(
          METAMODEL.assertionTime).getLiteral();

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      final boolean forward) {


    Set<Date> resultDateSet = new HashSet<Date>();
    for (Source source : sources) {
      Resource sourceRes = metaModel.createResource(source.getURIRef());
      ResIterator assertions = metaModel.listSubjectsWithProperty(
          METAMODEL.asserter, sourceRes);
      while (assertions.hasNext()) {
        Resource assertion = assertions.nextResource();
        Literal assertionTimeLit = assertion.getProperty(
            METAMODEL.assertionTime).getLiteral();
        Date assertionTime;
        try {
          assertionTime = ((XSDDateTime) assertionTimeLit.getValue())

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   *      java.util.Date, com.hp.hpl.jena.rdf.model.Resource)
   */
  public Set<NamedNode> getAssertions(Source source, Date moment,
      Resource type) {
    Resource sourceRes = metaModel.createResource(source.getURIRef());
    ResIterator assertions = metaModel.listSubjectsWithProperty(
        METAMODEL.asserter, sourceRes);
    Set<NamedNode> result = new HashSet<NamedNode>();
    while (assertions.hasNext()) {
      Resource assertion = assertions.nextResource();
      Literal assertionTimeLit = assertion.getProperty(
          METAMODEL.assertionTime).getLiteral();
      Resource assertedComponent = assertion.getProperty(
          METAMODEL.assertedComponent).getResource();
      if (!assertedComponent.hasProperty(RDF.type, type)) {

View Full Code Here

   *      java.util.Date, com.hp.hpl.jena.rdf.model.Resource)
   */
  public Set<NamedNode> getRevocations(Source source, Date moment,
      Resource type) {
    Resource sourceRes = metaModel.createResource(source.getURIRef());
    ResIterator assertions = metaModel.listSubjectsWithProperty(
        METAMODEL.asserter, sourceRes);
    Set<NamedNode> result = new HashSet<NamedNode>();
    while (assertions.hasNext()) {
      Resource assertion = assertions.nextResource();
      Resource assertedComponent = assertion.getProperty(
          METAMODEL.assertedComponent).getResource();
      if (!assertedComponent.hasProperty(RDF.type, type)) {
        continue;
      }

View Full Code Here

   * @return
   */
  private Resource getUserResource(String username) {
    Graph graph  = configGOT.getGraph(new Date());
    Model model = JenaUtil.getModelFromGraph(graph);
    ResIterator resIter = model.listSubjectsWithProperty(ACCOUNTMANAGER.userName, username);
    if (resIter.hasNext()) {
      return resIter.nextResource();
    } else {
      return model.createResource();
    }
  }

View Full Code Here

   * @return
   */
  private Resource getUserResource(String username) {
    Graph graph  = configGOT.getGraph(new Date());
    Model model = JenaUtil.getModelFromGraph(graph);
    ResIterator resIter = model.listSubjectsWithProperty(ACCOUNTMANAGER.userName, username);
    if (resIter.hasNext()) {
      return resIter.nextResource();
    } else {
      return null;
    }
    
  }

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   * @param i
   * @return
   */
  private Iterator<ComponentDirectory> getComponentsByHash(int hashCode) {
    Literal hashLit = indexModel.createTypedLiteral(hashCode);
    final ResIterator resIterator = indexModel.listSubjectsWithProperty(
        METAMODEL.hashCode, hashLit);
    return new Iterator<ComponentDirectory>() {


      public boolean hasNext() {
        return resIterator.hasNext();
      }


      public ComponentDirectory next() {
        return new ComponentDirectory(resIterator.nextResource()
            .getURI());
      }


      public void remove() {
        throw new UnsupportedOperationException();

View Full Code Here


    };
  }


  private Iterator<ComponentDirectory> getComponentsByType(Resource type) {
    final ResIterator resIterator = indexModel.listSubjectsWithProperty(
        RDF.type, type);
    return new Iterator<ComponentDirectory>() {


      public boolean hasNext() {
        return resIterator.hasNext();
      }


      public ComponentDirectory next() {
        return new ComponentDirectory(resIterator.nextResource()
            .getURI());
      }


      public void remove() {
        throw new UnsupportedOperationException();

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