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");
}
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;
}
}
/**
* @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;
}
}
/**
* @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;
}
}