Пример #1
0
 public void redoInferred(String uri, Model m, boolean nonMon) throws DataException {
   log.info("Running inferences on " + uri);
   Data data = getData();
   Model infData = data.getModel(uri + "-inferred");
   if (nonMon) infData.removeAll(); // Truth maintenance grossly simplified
   InfModel inf = ModelFactory.createInfModel(reasoner, m);
   infData.add(inf.getDeductionsModel());
   log.info("Inferencing done");
 }
Пример #2
0
 public boolean deleteAll(String uri) {
   try {
     log.info("Deleting model: " + uri + " " + reasoner);
     Data data = getData();
     Model m = data.getModel(uri);
     m.removeAll();
     if (reasoner != null) redoInferred(uri, m, true);
     m.close();
     data.close();
     return true;
   } catch (DataException e) {
     e.printStackTrace();
     return false;
   }
 }
Пример #3
0
 /**
  * @see org.caboto.jena.db.Database#addModel(java.lang.String, com.hp.hpl.jena.rdf.model.Model)
  */
 public boolean addModel(String uri, Model model) {
   try {
     log.info("Adding data to model: " + uri + " " + reasoner);
     Data data = getData();
     Model m = data.getModel(uri);
     m.withDefaultMappings(model);
     m.add(model);
     if (reasoner != null) redoInferred(uri, m, false);
     m.close();
     data.close();
     return true;
   } catch (DataException e) {
     e.printStackTrace();
     return false;
   }
 }
Пример #4
0
 /**
  * @see org.caboto.jena.db.Database#updateProperty(java.lang.String, java.lang.String,
  *     com.hp.hpl.jena.rdf.model.Property, com.hp.hpl.jena.rdf.model.RDFNode)
  */
 public boolean updateProperty(String uri, String resourceUri, Property property, RDFNode value) {
   try {
     log.info("Updting property in model: " + uri + " " + reasoner);
     Data data = getData();
     Model m = data.getModel(uri);
     if (!m.containsResource(ResourceFactory.createResource(resourceUri))) {
       m.close();
       data.close();
       return false;
     }
     Resource resource = m.getResource(resourceUri);
     if (resource.hasProperty(property)) {
       resource.getProperty(property).changeObject(value);
     } else {
       resource.addProperty(property, value);
     }
     m.close();
     data.close();
     return true;
   } catch (DataException e) {
     e.printStackTrace();
     return false;
   }
 }