void handleChanges(@Nonnull List<? extends OWLOntologyChange> changes) {
if (ontologies == null) {
return;
}
Set<OWLEntity> processed = new HashSet<OWLEntity>();
for (OWLOntologyChange chg : changes) {
if (ontologies.contains(chg.getOntology())) {
if (chg.isAddAxiom()) {
AddAxiom addAx = (AddAxiom) chg;
for (OWLEntity ent : addAx.getSignature()) {
assert ent != null;
if (!processed.contains(ent)) {
processed.add(ent);
add(ent);
}
}
} else if (chg.isRemoveAxiom()) {
RemoveAxiom remAx = (RemoveAxiom) chg;
for (OWLEntity ent : remAx.getSignature()) {
assert ent != null;
if (!processed.contains(ent)) {
processed.add(ent);
boolean stillRef = false;
for (OWLOntology ont : ontologies) {
if (ont.containsEntityInSignature(ent)) {
stillRef = true;
break;
}
}
if (!stillRef) {
remove(ent);
}
}
}
}
}
}
}
@Override
public void ontologiesChanged(List<? extends OWLOntologyChange> changes) throws OWLException {
Map<OWLEntity, OWLEntity> renamings = new HashMap<OWLEntity, OWLEntity>();
Set<OWLEntity> removals = new HashSet<OWLEntity>();
for (int idx = 0; idx < changes.size(); idx++) {
OWLOntologyChange change = changes.get(idx);
if (change instanceof SetOntologyID) {
IRI newiri = ((SetOntologyID) change).getNewOntologyID().getOntologyIRI();
if (newiri == null) continue;
IRI oldiri = ((SetOntologyID) change).getOriginalOntologyID().getOntologyIRI();
log.debug("Ontology ID changed");
log.debug("Old ID: {}", oldiri);
log.debug("New ID: {}", newiri);
OBDAModel model = obdamodels.get(oldiri.toURI());
if (model == null) {
setupNewOBDAModel();
model = getActiveOBDAModel();
}
PrefixManager prefixManager = model.getPrefixManager();
prefixManager.addPrefix(PrefixManager.DEFAULT_PREFIX, newiri.toURI().toString());
obdamodels.remove(oldiri.toURI());
obdamodels.put(newiri.toURI(), model);
continue;
} else if (change instanceof AddAxiom) {
OWLAxiom axiom = change.getAxiom();
if (axiom instanceof OWLDeclarationAxiom) {
OWLEntity entity = ((OWLDeclarationAxiom) axiom).getEntity();
OBDAModel activeOBDAModel = getActiveOBDAModel();
if (entity instanceof OWLClass) {
OWLClass oc = (OWLClass) entity;
OClass c = ofac.createClass(oc.getIRI().toString());
activeOBDAModel.declareClass(c);
} else if (entity instanceof OWLObjectProperty) {
OWLObjectProperty or = (OWLObjectProperty) entity;
ObjectPropertyExpression r = ofac.createObjectProperty(or.getIRI().toString());
activeOBDAModel.declareObjectProperty(r);
} else if (entity instanceof OWLDataProperty) {
OWLDataProperty op = (OWLDataProperty) entity;
DataPropertyExpression p = ofac.createDataProperty(op.getIRI().toString());
activeOBDAModel.declareDataProperty(p);
}
}
} else if (change instanceof RemoveAxiom) {
OWLAxiom axiom = change.getAxiom();
if (axiom instanceof OWLDeclarationAxiom) {
OWLEntity entity = ((OWLDeclarationAxiom) axiom).getEntity();
OBDAModel activeOBDAModel = getActiveOBDAModel();
if (entity instanceof OWLClass) {
OWLClass oc = (OWLClass) entity;
OClass c = ofac.createClass(oc.getIRI().toString());
activeOBDAModel.unDeclareClass(c);
} else if (entity instanceof OWLObjectProperty) {
OWLObjectProperty or = (OWLObjectProperty) entity;
ObjectPropertyExpression r = ofac.createObjectProperty(or.getIRI().toString());
activeOBDAModel.unDeclareObjectProperty(r);
} else if (entity instanceof OWLDataProperty) {
OWLDataProperty op = (OWLDataProperty) entity;
DataPropertyExpression p = ofac.createDataProperty(op.getIRI().toString());
activeOBDAModel.unDeclareDataProperty(p);
}
}
}
if (idx + 1 >= changes.size()) {
continue;
}
if (change instanceof RemoveAxiom && changes.get(idx + 1) instanceof AddAxiom) {
// Found the pattern of a renaming refactoring
RemoveAxiom remove = (RemoveAxiom) change;
AddAxiom add = (AddAxiom) changes.get(idx + 1);
if (!(remove.getAxiom() instanceof OWLDeclarationAxiom
&& add.getAxiom() instanceof OWLDeclarationAxiom)) {
continue;
}
// Found the patter we are looking for, a remove and add of
// declaration axioms
OWLEntity olde = ((OWLDeclarationAxiom) remove.getAxiom()).getEntity();
OWLEntity newe = ((OWLDeclarationAxiom) add.getAxiom()).getEntity();
renamings.put(olde, newe);
} else if (change instanceof RemoveAxiom
&& ((RemoveAxiom) change).getAxiom() instanceof OWLDeclarationAxiom) {
// Found the pattern of a deletion
OWLDeclarationAxiom declaration = (OWLDeclarationAxiom) ((RemoveAxiom) change).getAxiom();
OWLEntity removedEntity = declaration.getEntity();
removals.add(removedEntity);
}
}
// Applying the renaming to the OBDA model
OBDAModel obdamodel = getActiveOBDAModel();
for (OWLEntity olde : renamings.keySet()) {
OWLEntity removedEntity = olde;
OWLEntity newEntity = renamings.get(removedEntity);
// This set of changes appears to be a "renaming" operation,
// hence we will modify the OBDA model accordingly
Predicate removedPredicate = getPredicate(removedEntity);
Predicate newPredicate = getPredicate(newEntity);
obdamodel.renamePredicate(removedPredicate, newPredicate);
}
// Applying the deletions to the obda model
for (OWLEntity removede : removals) {
Predicate removedPredicate = getPredicate(removede);
obdamodel.deletePredicate(removedPredicate);
}
}
public void visit(RemoveAxiom change) {
visitor.setAddAxiom(false);
change.getAxiom().accept(visitor);
reloadRequired = visitor.isReloadRequired();
}