public static OfferManager getInstance() {
ObjectContainer db=DB4oManager.getContainer();
OfferManager b = new OfferManager();
- ObjectSet result = db.queryByExample(b);
+ ObjectSet<OfferManager> result = db.queryByExample(b);
if (!result.hasNext()){
theOfferManager = new OfferManager();
db.store(theOfferManager);