com.hp.hpl.jena.rdf.model.Model.listObjectsOfProperty()方法的使用及代码示例

x33g5p2x  于2022-01-24 转载在 其他  
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本文整理了Java中com.hp.hpl.jena.rdf.model.Model.listObjectsOfProperty()方法的一些代码示例，展示了Model.listObjectsOfProperty()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Model.listObjectsOfProperty()方法的具体详情如下：
包路径：com.hp.hpl.jena.rdf.model.Model
类名称：Model
方法名：listObjectsOfProperty

Model.listObjectsOfProperty介绍

[英]List all objects of a given property. .remove() is not implemented on this iterator.
[中]列出给定属性的所有对象。此迭代器上未实现remove（）。

代码示例

代码示例来源：origin: fr.inria.eventcloud/eventcloud-api

/**
 * {@inheritDoc}
 */
@Override
public NodeIterator listObjectsOfProperty(Property p) {
  return super.object.listObjectsOfProperty(p);
}

代码示例来源：origin: fr.inria.eventcloud/eventcloud-api

/**
 * {@inheritDoc}
 */
@Override
public NodeIterator listObjectsOfProperty(Resource s, Property p) {
  return super.object.listObjectsOfProperty(s, p);
}

代码示例来源：origin: bio2rdf/bio2rdf-scripts

public NodeIterator listObjectsOfProperty(Property p) {
  return model.listObjectsOfProperty(p);
}

代码示例来源：origin: bio2rdf/bio2rdf-scripts

public NodeIterator listObjectsOfProperty(Resource s, Property p) {
  return model.listObjectsOfProperty(s, p);
}

代码示例来源：origin: usc-isi-i2/Web-Karma

private JSONArray getWorksheetHistory(Resource mappingResource) throws JSONException {
  Property hasTransformation = model.getProperty(Uris.KM_HAS_WORKSHEET_HISTORY_URI);
  NodeIterator transItr = model.listObjectsOfProperty(mappingResource, hasTransformation);
  while (transItr.hasNext()) {
    String commands = transItr.next().toString();
    return new JSONArray(commands);
  }
  return new JSONArray();
}

代码示例来源：origin: usc-isi-i2/Web-Karma

private List<String> getVariables(Model model, Resource service_resource) {
  
  Property has_variable_property = model.getProperty(Namespaces.KARMA + "hasVariable");
  List<String> variables = new ArrayList<>();
  NodeIterator nodeIterator;
  RDFNode node;
  // hasAttribute
  nodeIterator = model.listObjectsOfProperty(service_resource, has_variable_property);
  while ( nodeIterator.hasNext()) {
    node = nodeIterator.next();
    
    if (!node.isResource()) {
      logger.info("object of the hasAttribute property is not a resource.");
      continue;
    }
    
    variables.add(node.asResource().getLocalName());
  }
  
  return variables;
}

代码示例来源：origin: usc-isi-i2/Web-Karma

private List<Attribute> getAttributes(Model model, Resource source_resource) {
  
  Property has_attribute_property = model.getProperty(Namespaces.KARMA + "hasAttribute");

  List<Attribute> attList = new ArrayList<>();
  
  NodeIterator nodeIterator = null;
  RDFNode node = null;
  // hasAttribute
  nodeIterator = model.listObjectsOfProperty(source_resource, has_attribute_property);
  while ( nodeIterator.hasNext()) {
    node = nodeIterator.next();
    
    if (!node.isResource()) {
      logger.info("object of the hasAttribute property is not a resource.");
      continue;
    }
    
    attList.add(getSingleAttribute(model, node.asResource()));
  }
  
  return attList;
}

代码示例来源：origin: usc-isi-i2/Web-Karma

private List<String> getVariables(Model model, Resource source_resource) {
  
  Property has_variable_property = model.getProperty(Namespaces.KARMA + "hasVariable");

  List<String> variables = new ArrayList<>();
  NodeIterator nodeIterator = null;
  RDFNode node = null;
  // hasAttribute
  nodeIterator = model.listObjectsOfProperty(source_resource, has_variable_property);
  while ( nodeIterator.hasNext()) {
    node = nodeIterator.next();
    
    if (!node.isResource()) {
      logger.info("object of the hasAttribute property is not a resource.");
      continue;
    }
    
    variables.add(node.asResource().getLocalName());
  }
  
  return variables;
}

代码示例来源：origin: epimorphics/elda

private void extractEndpointSpecifications( Resource specification ) {
  NodeIterator ni = specification.getModel().listObjectsOfProperty(specification, API.endpoint);
  while (ni.hasNext() ) {
    RDFNode n = ni.next();
    if ( ! (n instanceof Resource)) {
      throw new APIException("Bad specification file, non-resource definition of Endpoint. " + n);
    }
    Resource endpoint = (Resource) n;
    // endpoints.add( new APIEndpointSpec( this, this, endpoint ) );
    endpoints.add( getAPIEndpointSpec( endpoint) );
  }
}

代码示例来源：origin: org.dataconservancy.dcs/dcs-package-validation

private void visitAggregatedResources(Resource agg, File base_dir, Model model, List<String> visitedRems) throws PackageValidationException {
  NodeIterator iter = model.listObjectsOfProperty(agg, AGGREGATES_PROPERTY);
  while (iter.hasNext()) {
    Resource res = iter.next().asResource();
    if (res.hasProperty(IS_DESCRIBED_BY_PROPERTY)) {
      validateResourceMap(res.getPropertyResourceValue(IS_DESCRIBED_BY_PROPERTY), base_dir,
          model, visitedRems.toArray(new String[0]));
    }
  }
}

代码示例来源：origin: epimorphics/elda

public void addViewers(Resource root, Map<String, View> views) {
  Model m = root.getModel();
      
  for (NodeIterator ni =  m.listObjectsOfProperty( root, API.viewer ); ni.hasNext();) {
    RDFNode tNode = ni.next();
    if (!tNode.isResource()) 
      throw new APIException("Found literal " + tNode + " when expecting a view resource");
    View v = getView( (Resource) tNode );
    views.put( v.name(), v );
    explicitViewNames.add( v.name() );
  }
}

代码示例来源：origin: epimorphics/elda

/**
  Add properties to the view, setting the property chains and possibly
  the labelled-describe label property URI.
*/
private View addViewProperties( Model m, Set<Resource> seen, Resource tRes, View v ) {
  setDescribeLabelIfPresent( tRes, v );
  addViewPropertiesByString( v, m.listObjectsOfProperty( tRes, API.properties ).toList() );
  addViewPropertiesByResource( v, m.listObjectsOfProperty( tRes, API.property ).toList() );
  for (RDFNode n: tRes.listProperties( API.include ).mapWith( Statement.Util.getObject ).toList()) {
    if (n.isResource() && seen.add( (Resource) n ))
      addViewProperties( m, seen, (Resource) n, v );
  }
  return v;
}

代码示例来源：origin: usc-isi-i2/Web-Karma

private Atom getAtom(Model model, Resource atom_resource) {
  
  Property rdf_type = model.getProperty(Namespaces.RDF + "type");
  NodeIterator nodeIterator = null;
  RDFNode node = null;
  String classAtomUri = Namespaces.SWRL + "ClassAtom";
  String propertyAtomUri = Namespaces.SWRL + "IndividualPropertyAtom";
  
  // atom type
  nodeIterator = model.listObjectsOfProperty(atom_resource, rdf_type);
  if (!nodeIterator.hasNext() || !(node = nodeIterator.next()).isResource()) {
    logger.info("The atom type is not specified.");
    return null;
  }
  
  if (node.asResource().getURI().equalsIgnoreCase(classAtomUri)) {
    logger.debug("The atom is a ClassAtom");
    return getClassAtom(model, atom_resource);
  }
  else if (node.asResource().getURI().equalsIgnoreCase(propertyAtomUri)) {
    logger.debug("The atom is an IndividualPropertyAtom");
    return getPropertyAtom(model, atom_resource);
  }
  
  return null;
}

代码示例来源：origin: usc-isi-i2/Web-Karma

private Atom getAtom(Model model, Resource atom_resource) {
  
  Property rdf_type = model.getProperty(Namespaces.RDF + "type");
  NodeIterator nodeIterator;
  RDFNode node;
  String classAtomUri = Namespaces.SWRL + "ClassAtom";
  String propertyAtomUri = Namespaces.SWRL + "IndividualPropertyAtom";
  
  // atom type
  nodeIterator = model.listObjectsOfProperty(atom_resource, rdf_type);
  if (!nodeIterator.hasNext() || !(node = nodeIterator.next()).isResource()) {
    logger.info("The atom type is not specified.");
    return null;
  }
  
  if (node.asResource().getURI().equalsIgnoreCase(classAtomUri)) {
    logger.debug("The atom is a ClassAtom");
    return getClassAtom(model, atom_resource);
  }
  else if (node.asResource().getURI().equalsIgnoreCase(propertyAtomUri)) {
    logger.debug("The atom is an IndividualPropertyAtom");
    return getPropertyAtom(model, atom_resource);
  }
  
  return null;
}

代码示例来源：origin: usc-isi-i2/Web-Karma

private void createPredicateObjectMaps(Resource mappingResource, KR2RMLMapping kr2rmlMapping) throws JSONException {
  Property hasTrMapUri = model.getProperty(Uris.KM_HAS_TRIPLES_MAP_URI);
  
  // Get all the triple maps
  NodeIterator trMapsResItr = model.listObjectsOfProperty(mappingResource, hasTrMapUri);
  while (trMapsResItr.hasNext()) {
    // Add the predicate object maps
    addPredicateObjectMapsForTripleMap(trMapsResItr.next().asResource(), kr2rmlMapping);
  }
}

代码示例来源：origin: usc-isi-i2/Web-Karma

private Attribute getSingleAttribute(Model model, Resource att_resource) {
  
  String att_id = "";
  String att_name = "";
  Property has_name_property = model.getProperty(Namespaces.KARMA + "hasName");
  
  // attribute id
  att_id = att_resource.getLocalName();
  logger.debug("attribute id: " + att_id);
  NodeIterator nodeIterator = null;
  RDFNode node = null;
  
  // attribute name
  nodeIterator = model.listObjectsOfProperty(att_resource, has_name_property);
  if (nodeIterator.hasNext() && (node = nodeIterator.next()).isLiteral()) {
    att_name = node.asLiteral().getString();
    logger.debug("attribute name: " + att_name);
  } else
    logger.debug("attribute does not have a name.");
  
  Attribute att = new Attribute(att_id, att_resource.getNameSpace(), att_name, IOType.NONE, AttributeRequirement.NONE);
  
  return att;
}

代码示例来源：origin: org.apache.clerezza.ext/org.apache.jena.jena-core

/**
 * Name space stuff.
 */
private void addTypeNameSpaces() {
  NodeIterator nn = model.listObjectsOfProperty(RDF.type);
  try {
    while (nn.hasNext()) {
      RDFNode obj = nn.nextNode();
      int split = isOKType(obj);
      if (split != -1)
        prettyWriter.addNameSpace(((Resource) obj).getURI()
            .substring(0, split));
    }
  } finally {
    nn.close();
  }
}

代码示例来源：origin: org.dataconservancy.packaging/dcs-pkg-ingest-services

private void visitAggregatedResources(Resource agg, State state) 
    throws StatefulIngestServiceException {
  
  NodeIterator iter = state.model.listObjectsOfProperty(agg, AGGREGATES_PROPERTY);
  
  while (iter.hasNext()) {
    Resource res = iter.next().asResource();
    if (res.hasProperty(IS_DESCRIBED_BY_PROPERTY)) {
      // Careful about this, this is where we could have a loop...
      visitResourceMap(res.getPropertyResourceValue(IS_DESCRIBED_BY_PROPERTY), state);
    } else {
      visitByteStream(res, state);
    }
  }
}

代码示例来源：origin: usc-isi-i2/Web-Karma

private List<Resource> createSubjectMaps(Resource mappingResource, KR2RMLMapping kr2rmlMapping) throws JSONException {
  List<Resource> subjectMapResources = new ArrayList<>();
  Property hasTrMapUri = model.getProperty(Uris.KM_HAS_TRIPLES_MAP_URI);
  
  // Get all the triple maps
  NodeIterator trMapsResItr = model.listObjectsOfProperty(mappingResource, hasTrMapUri);
  while (trMapsResItr.hasNext()) {
    Resource trMapRes = trMapsResItr.next().asResource();
    SubjectMap subjMap = addSubjectMapForTripleMap(trMapRes, kr2rmlMapping, subjectMapResources);
    
    // Add the Triples map
    TriplesMap trMap = new TriplesMap(trMapRes.getURI(), subjMap);
    kr2rmlMapping.getTriplesMapIndex().put(trMapRes.getURI(), trMap);
    kr2rmlMapping.addTriplesMap(trMap);
    kr2rmlMapping.getAuxInfo().getTriplesMapGraph().addTriplesMap(trMap);
  }
  return subjectMapResources;
}

代码示例来源：origin: epimorphics/elda

private void extractDatatypes( Model m ) {
  List<Resource> dataTypes = m.listStatements( null, RDF.type, RDFS.Datatype ).mapWith( Statement.Util.getSubject ).toList();
  for (Resource t: dataTypes) declareDatatype( t.getURI() );
  for (Resource p: m.listSubjectsWithProperty( RDF.type, OWL.DatatypeProperty ).toList()) {
    for (RDFNode t: m.listObjectsOfProperty( p, RDFS.range ).toList()) {
      declareDatatype( t.asResource().getURI() );
    }
  }
}

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