我不会列出一个类的所有子类。我列出类,我的算法检查每个类是否有一个子类。如果为真,则列出所有子类。但这不会发生,它似乎忽略了条件“如果(essaClasse.hasSubClass)。有人可以帮我吗?下面的代码部分。
谢谢!
黛博拉(里约热内卢 - 巴西)
完整代码:
package testejena;
import com.hp.hpl.jena.ontology.OntClass;
import com.hp.hpl.jena.ontology.OntModel;
import com.hp.hpl.jena.rdf.model.ModelFactory;
import com.hp.hpl.jena.util.FileManager;
import com.hp.hpl.jena.util.iterator.ExtendedIterator;
import java.io.InputStream;
import java.util.Iterator;
public class testeProp {
static final String inputFileName = "OBRecortada3.owl";
public static void main(String args[]) {
try {
//create the reasoning model using the base
OntModel inf = ModelFactory.createOntologyModel();
// use the FileManager to find the input file
InputStream in = FileManager.get().open(inputFileName);
if (in == null) {
throw new IllegalArgumentException("File: " + inputFileName + " not found");
}
inf.read(in, "");
String URI = "http://www.owl-ontologies.com/OntologyBase.owl#";
ExtendedIterator classes = inf.listClasses();
while (classes.hasNext()) {
OntClass essaClasse = (OntClass) classes.next();
String vClasse = essaClasse.getLocalName().toString();
if (essaClasse.hasSubClass()) {
System.out.println("Classe: " + vClasse);
OntClass cla = inf.getOntClass(URI + vClasse);
for (Iterator i = cla.listSubClasses(); i.hasNext();) {
OntClass c = (OntClass) i.next();
System.out.print(" " + c.getLocalName() + " " + "\n");
}
}
}
} catch (Exception e) {
System.out.println(e.getMessage());
}
}
}}