import java.rmi.RemoteException;
import java.sql.Date;
-import com.db4o.ObjectContainer;
-import com.db4o.ObjectSet;
-
import dataAccess.DB4oManager;
import domain.Offer;
import domain.RuralHouse;
private int offerNumber = 0;
dataAccess.DB4oManager dbMngr;
- private static OfferManager theOfferManager;
public OfferManager() {
try {
}
}
- public static int getNumber() {
- ObjectContainer db=DB4oManager.getContainer();
- OfferManager o=getInstance();
- o.offerNumber++;
- db.store(o);
- db.commit();
- return o.offerNumber;
- }
- /**
- * This method returns the instance of the OfferManager class
- *
- * @return the offer manager
- */
- public static OfferManager getInstance() {
- ObjectContainer db=DB4oManager.getContainer();
- OfferManager b = new OfferManager();
- ObjectSet<OfferManager> result = db.queryByExample(b);
- if (!result.hasNext()){
- theOfferManager = new OfferManager();
- db.store(theOfferManager);
- db.commit();
- } else theOfferManager=(OfferManager)result.next();
- return theOfferManager;
- }
/**
* This method creates an offer with a house number, first day, last day and price
boolean b = dbMngr.existsOverlappingOffer(ruralHouse,firstDay,lastDay); // The ruralHouse object in the client may not be updated
if (!b) {
- ruralHouse.createOffer(offerNumber, firstDay, lastDay, price);
- return dbMngr.createOffer(ruralHouse,firstDay,lastDay,price);
+ dbMngr.createOffer(ruralHouse,firstDay,lastDay,price);
+ return ruralHouse.createOffer(offerNumber, firstDay, lastDay, price);
}
return null;
}