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);
}
}
}
}
}
}
}
