@Override
 public Set<PersonRole> findAll() {
   return repo.findAll();
 }
 @Override
 public PersonRole update(PersonRole entity) {
   return repo.save(entity);
 }
 @Override
 public void delete(PersonRole entity) {
   repo.delete(entity);
 }
 @Override
 public PersonRole findById(String s) {
   return repo.findById(s);
 }