Examples of com.hp.hpl.jena.rdf.model.RDFNode.canAs()

com.hp.hpl.jena.rdf.model.RDFNode.canAs()
Answer true iff this RDFNode can be viewed as an instance of view: that is, if it has already been viewed in this way, or if it has an attached model in which it has properties that permit it to be viewed in this way. If canAs returns true, as on the same view should deliver an instance of that class.

            ObjectProperty property, String field) {
        StmtIterator stmt_iter = skos_concept.listProperties(property);
        while (stmt_iter.hasNext()) {
            RDFNode concept = stmt_iter.nextStatement().getObject();


            if (!concept.canAs(Resource.class)) {
                System.err.println("Error when indexing relationship of concept "
                        + skos_concept.getURI() + " .");
                continue;
            }

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        while (it.hasNext()) {
          RDFNode node = it.nextNode();
          if (node.isLiteral()
              && OntologyElement.LITERAL.equals(qr.getType())) {
            qr.add(wrap((Literal) node));
          } else if (node.canAs(Individual.class)
              && OntologyElement.INDIVIDUAL.equals(qr.getType())) {
            qr.add(wrap((Individual) node.as(Individual.class)));
          }
        }
        return qr;

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    while(resultSet.hasNext()){
      QuerySolution sol = resultSet.next();
      
      String key = sol.getResource(keyVar).getURI();
      RDFNode valNode = sol.get(valVar);
      String val = valNode.canAs(Resource.class)?valNode.as(Resource.class).getURI():valNode.asLiteral().getString();
      /*if(map.keySet().size()==limit && !map.keySet().contains(key)){
        break;
      }*/
      map.put(key, val);
    }

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