org.apache.jena.ontology.ObjectProperty Java Examples

private ObjectProperty addRelationToModel(OntModel model, Edge e) {
  Individual source = model.getIndividual(namespace + e.outVertex().id());
  Individual target = model.getIndividual(namespace + e.inVertex().id());
  ObjectProperty property = model.getObjectProperty(namespace + e.label());

  if (source != null && target != null && property != null) {
    source.addProperty(property, target);
    return property;
  } else {
    getMonitor()
        .warn(
            "Missing individuals {} or {} or relation {}",
            e.outVertex(),
            e.inVertex(),
            e.label());
    return null;
  }
}
 

private void acquireObjectProperties() {
  for (ExtendedIterator<ObjectProperty> it = ontModel.listObjectProperties(); it.hasNext(); ) {
    ObjectProperty p = it.next();
    if (isIgnoredObjectProperty(p)) continue;
    objectProperties.add(p);
  }
}
 

/**
 * Acquire object properties and skip the ignored one
 */
private void acquireObjectProperties() {
  for (ExtendedIterator<ObjectProperty> it = m_ontology.listObjectProperties(); it.hasNext(); ) {
    ObjectProperty p = it.next();
    if (isSkipProperty(p)) continue;
    m_object_properties.add(p);
  }
}
 

private List<Agent> getAgents(URI base, Individual in,
		ObjectProperty property) {
	List<Agent> creators = new ArrayList<>();
	for (Individual agent : listObjectProperties(in, property)) {
		Agent a = new Agent();

		// Check for any ORCIDs, note that "orcid" is mapped as
		// prov:alternateOf in our modified bundle.jsonld
		for (Individual alternate : listObjectProperties(agent, prov.alternateOf)) {
			if (alternate.isURIResource() && (
					alternate.getURI().startsWith("https://orcid.org/") ||
					alternate.getURI().startsWith("http://orcid.org/"))) {
				// TODO: Check against https://support.orcid.org/knowledgebase/articles/116780-structure-of-the-orcid-identifier
				a.setOrcid(URI.create(alternate.getURI()));
				break;
			}
		}
		if (agent.isURIResource()) {
			URI agentURI = relativizeFromBase(agent.getURI(), base);
			if ("orcid.org".equals(agentURI.getHost()) && a.getOrcid() == null) {
				a.setOrcid(agentURI);
			} else {
				a.setUri(agentURI);
			}
		}

		RDFNode name = agent.getPropertyValue(foaf.name);
		if (name != null && name.isLiteral())
			a.setName(name.asLiteral().getLexicalForm());
		creators.add(a);
	}
	return creators;
}
 

private Set<Individual> listObjectProperties(OntResource ontResource,
		ObjectProperty prop) {
	LinkedHashSet<Individual> results = new LinkedHashSet<>();
	try (ClosableIterable<RDFNode> props = iterate(ontResource
			.listPropertyValues(prop))) {
		for (RDFNode node : props) {
			if (!node.isResource() || !node.canAs(Individual.class))
				continue;
			results.add(node.as(Individual.class));
		}
	}
	return results;
}
 

private void addRelation(
    OntModel ontModel, OntClass domain, OntClass range, String property, String comment) {
  ObjectProperty objectProperty = ontModel.createObjectProperty(namespace + property);
  objectProperty.addComment(comment, EN);
  objectProperty.setDomain(domain);
  objectProperty.setRange(range);
}
 

private ObjectProperty addRelationToModel(OntModel model, Edge e) {
  Individual source = model.getIndividual(namespace + e.outVertex().id());
  Individual target = model.getIndividual(namespace + e.inVertex().id());

  ObjectProperty property = model.getObjectProperty(namespace + e.label());
  source.addProperty(property, target);

  return property;
}
 

public Set<ObjectProperty> getObjectProperties() {
  return objectProperties;
}
 

private static final boolean isIgnoredObjectProperty(ObjectProperty p) {
  // XXX:
  return false;
}
 

/**
 * Get the hash set of object properties
 *
 * @return m_object_properties
 */
public Set<ObjectProperty> getObjectProperties() {
  return m_object_properties;
}