/**
* Deletes an ontology from Hypergraph Repository.
*
* @param physicalURI
* @return
*/
protected boolean handleDeleteFrom(OntologyRepositoryEntry ontologyEntry) {
// A) Check, if the ontology is already loaded and/or managed and
// whether it can be found in
// the repository.
OWLOntologyID oID = ((HGOntologyRepositoryEntry) ontologyEntry).getOntologyID();
if (oID == null) throw new IllegalStateException();
HGOwlModelManagerImpl hmm = (HGOwlModelManagerImpl) getOWLModelManager();
PHGDBOntologyManagerImpl hom = (PHGDBOntologyManagerImpl) hmm.getOWLOntologyManager();
OWLOntology loadedOntoToDelete = hom.getOntology(oID);
// will be null if not loaded.
// getOntologyCatalogManager().Ontologies()
// B) Provide a confirmation Dialog with as much information as
// possible.
boolean userConfirmsDelete =
showDeleteConfirmation(oID, ontologyEntry.getPhysicalURI(), loadedOntoToDelete);
if (userConfirmsDelete) {
// C) Actual Removal:
// C-A) if ontology managed, remove from OwlModelManager,
// Owlontologymanager
if (loadedOntoToDelete != null) {
if (!(hom.getOntologyFormat(loadedOntoToDelete) instanceof HGDBOntologyFormat)) {
hmm.removeOntology(loadedOntoToDelete);
} else {
System.out.println(
"File based ontology not unloaded :" + loadedOntoToDelete.getOntologyID());
}
}
// C-B) delete in repository
boolean repoDeleteOk = hom.getOntologyRepository().deleteOntology(oID);
showDeleteSuccessOrFailure(repoDeleteOk, oID, ontologyEntry.getPhysicalURI());
return repoDeleteOk;
} else {
JOptionPane.showMessageDialog(
getWorkspace(),
"Delete cancelled by user. ",
"Delete Hypergraph Database Backed Ontology - Cancelled",
JOptionPane.WARNING_MESSAGE);
return false;
}
}
