4 //import java.util.Enumeration;
5 //import java.util.Vector;
7 import java.rmi.RemoteException;
9 import java.util.HashSet;
10 import java.util.ListIterator;
11 import java.util.Vector;
14 import com.db4o.config.EmbeddedConfiguration;
15 import com.db4o.cs.Db4oClientServer;
16 import com.db4o.cs.config.ClientConfiguration;
18 import configuration.ConfigXML;
19 import domain.Account;
20 import domain.Booking;
21 import domain.HouseFeatures;
23 //import dataModel.Offer;
25 import domain.RuralHouse;
26 import exceptions.OfferCanNotBeBooked;
27 import exceptions.OverlappingOfferExists;
29 public class DB4oManager {
31 private static ObjectContainer db;
32 private static EmbeddedConfiguration configuration;
33 private static ClientConfiguration configurationCS;
34 private int bookingNumber = 0; // if it is "static" then it is not
36 private int offerNumber = 0; // if it is "static" then it is not serialized
37 private static DB4oManager theDB4oManager = null;
39 private static DB4oManagerAux theDB4oManagerAux;
43 private DB4oManager() throws Exception {
44 theDB4oManagerAux = new DB4oManagerAux(0, 0);
45 c = ConfigXML.getInstance();
46 System.out.println("Creating DB4oManager instance => isDatabaseLocal: "
47 + c.isDatabaseLocal() + " getDatabBaseOpenMode: "
48 + c.getDataBaseOpenMode());
50 if ((c.getDataBaseOpenMode().equals("initialize"))
51 && (c.isDatabaseLocal()))
52 new File(c.getDb4oFilename()).delete();
54 if (c.isDatabaseLocal()) {
56 System.out.println("DataBase opened");
57 } else // c.isDatabaseLocal==false
60 System.out.println("Remote DataBase opened");
62 if (c.getDataBaseOpenMode().equals("initialize")) {
64 System.out.println("DataBase initialized");
65 } else // c.getDataBaseOpenMode().equals("open")
68 ObjectSet res = db.queryByExample(DB4oManagerAux.class);
69 ListIterator listIter = res.listIterator();
70 if (listIter.hasNext())
71 theDB4oManagerAux = (DB4oManagerAux) res.next();
75 private static void openDB() {
76 configuration = Db4oEmbedded.newConfiguration();
77 configuration.common().activationDepth(c.getActivationDepth());
78 configuration.common().updateDepth(c.getUpdateDepth());
79 configuration.common().objectClass(Owner.class).cascadeOnDelete(true);
80 db = Db4oEmbedded.openFile(configuration, c.getDb4oFilename());
83 private void openSDB() {
85 configurationCS = Db4oClientServer.newClientConfiguration();
86 configurationCS.common().activationDepth(c.getActivationDepth());
87 configurationCS.common().updateDepth(c.getUpdateDepth());
88 configurationCS.common().objectClass(Owner.class).cascadeOnDelete(true);
89 db = Db4oClientServer.openClient(configurationCS, c.getDatabaseNode(),
90 c.getDatabasePort(), c.getUser(), c.getPassword());
94 class DB4oManagerAux {
98 DB4oManagerAux(int bookingNumber, int offerNumber) {
99 this.bookingNumber = bookingNumber;
100 this.offerNumber = offerNumber;
104 public static DB4oManager getInstance() throws Exception {
105 if (theDB4oManager == null)
106 theDB4oManager = new DB4oManager();
107 return theDB4oManager;
110 public void initializeDB() {
113 Owner jon = new Owner("Jon");
114 Owner alfredo = new Owner("Alfredo");
115 jon.addRuralHouse("Ezkioko", "Ezkioko etxea", "Ezkio", 3, 3, 3, 3, 3);
116 jon.addRuralHouse("Eskiatze", "Eskiatzeko etxea", "Jaca", 4, 4, 4, 4, 4);
117 jon.setBankAccount("1349 5677 21 2133567777");
118 alfredo.addRuralHouse("Aitonako", "Casa del abuelo", "Pitillas", 5, 5, 5, 5,
120 alfredo.addRuralHouse("Murgoitz", "", "Murgia", 6, 6, 6, 6, 6);
121 alfredo.setBankAccount("4144 0087 23 9700002133");
122 Account jonAcc = new Account("userJon", "passJon", jon);
123 Account alfredoAcc = new Account("userAlfredo", "passAlfredo",
128 db.store(alfredoAcc);
135 public void deleteDB() {
137 if (c.isDatabaseLocal() == false)
143 Owner proto = new Owner(null, null);
144 ObjectSet result = db.queryByExample(proto);
145 Vector<Owner> owners = new Vector<Owner>();
146 while (result.hasNext()) {
147 Owner o = (Owner) result.next();
148 System.out.println("Deleted owner: " + o.toString());
158 @SuppressWarnings("finally")
159 public Offer createOffer(RuralHouse ruralHouse, Date firstDay,
160 Date lastDay, float price) throws RemoteException, Exception {
163 if (c.isDatabaseLocal() == false)
170 RuralHouse proto = new RuralHouse(ruralHouse.getHouseName(),
171 null, null, null, null);
172 ObjectSet result = db.queryByExample(proto);
173 RuralHouse rh = (RuralHouse) result.next();
174 o = rh.createOffer(theDB4oManagerAux.offerNumber++, firstDay,
176 db.store(theDB4oManagerAux); // To store the new value for
181 } catch (com.db4o.ext.ObjectNotStorableException e) {
183 .println("Error: com.db4o.ext.ObjectNotStorableException in createOffer");
190 @SuppressWarnings("finally")
191 public Offer modifyOffer(Offer offer) throws RemoteException, Exception {
192 if (c.isDatabaseLocal() == false)
203 } catch (com.db4o.ext.ObjectNotStorableException e) {
205 .println("Error: com.db4o.ext.ObjectNotStorableException in createOffer");
212 @SuppressWarnings("finally")
213 public void deleteOffer(RuralHouse rh, Offer offer) throws RemoteException, Exception {
214 if (c.isDatabaseLocal() == false)
225 } catch (com.db4o.ext.ObjectNotStorableException e) {
227 .println("Error: com.db4o.ext.ObjectNotStorableException in createOffer");
235 * This method creates a book with a corresponding parameters
238 * day, last day, house number and telephone
241 public Booking createBooking(RuralHouse ruralHouse, Date firstDate,
242 Date lastDate, String bookTelephoneNumber)
243 throws OfferCanNotBeBooked {
245 if (c.isDatabaseLocal() == false)
254 if (c.isDatabaseLocal() == false)
257 RuralHouse proto = new RuralHouse(ruralHouse.getHouseName(),
258 null, ruralHouse.getDescription(), ruralHouse.getDistrict(),
260 ObjectSet result = db.queryByExample(proto);
261 RuralHouse rh = (RuralHouse) result.next();
264 offer = rh.findOffer(firstDate, lastDate);
267 offer.createBooking(theDB4oManagerAux.bookingNumber++,
268 bookTelephoneNumber);
269 db.store(theDB4oManagerAux); // To store the new value for
273 bok = offer.getBooking();
276 } catch (com.db4o.ext.ObjectNotStorableException e) {
278 .println("Error: com.db4o.ext.ObjectNotStorableException in createBooking");
279 } catch (Exception exc) {
280 exc.printStackTrace();
288 * This method existing owners
291 public Vector<Owner> getOwners() throws RemoteException, Exception {
293 if (c.isDatabaseLocal() == false)
299 Owner proto = new Owner(null, null);
300 ObjectSet result = db.queryByExample(proto);
301 Vector<Owner> owners = new Vector<Owner>();
302 while (result.hasNext())
303 owners.add((Owner) result.next());
310 public Vector<RuralHouse> getAllRuralHouses() throws RemoteException,
313 if (c.isDatabaseLocal() == false)
319 RuralHouse proto = new RuralHouse(null, null, null, null, null);
320 ObjectSet result = db.queryByExample(proto);
321 Vector<RuralHouse> ruralHouses = new Vector<RuralHouse>();
322 while (result.hasNext())
323 ruralHouses.add((RuralHouse) result.next());
330 public boolean existsOverlappingOffer(RuralHouse rh, Date firstDay,
331 Date lastDay) throws RemoteException, OverlappingOfferExists {
333 if (c.isDatabaseLocal() == false)
340 RuralHouse rhn = (RuralHouse) db
342 new RuralHouse(rh.getHouseName(), null, null,
344 if (rhn.overlapsWith(firstDay, lastDay) != null)
345 throw new OverlappingOfferExists();
353 public static ObjectContainer getContainer() {
357 public void close() {
359 System.out.println("DataBase closed");
362 public String toString() {
363 return "bookingNumber=" + bookingNumber + " offerNumber=" + offerNumber;
370 * @throws RemoteException
373 public Vector<Account> getAccount(String usr, String pwd)
374 throws RemoteException, Exception {
376 if (c.isDatabaseLocal() == false)
382 Account proto = new Account(usr, pwd, new Owner(null, null));
383 ObjectSet<Account> result = db.queryByExample(proto);
384 Vector<Account> accounts = new Vector<Account>();
385 while (result.hasNext())
386 accounts.add((Account) result.next());
396 public boolean storeRuralHouses(RuralHouse rh) {
398 if (c.isDatabaseLocal() == false)
403 boolean stored = false;
404 RuralHouse house = new RuralHouse(rh.getHouseName(), null, null,
407 ObjectSet<Owner> result = db.queryByExample(house);
408 if (result.isEmpty()) {
420 public void removeHouse(RuralHouse rh, Owner owner) {
422 if (c.isDatabaseLocal() == false)
427 ObjectSet<RuralHouse> result = db.queryByExample(rh);
428 if (!result.isEmpty()) {
429 RuralHouse found = (RuralHouse) result.get(0);
430 // db.delete(found.getOwner());
435 } catch (Exception exc) {
436 exc.printStackTrace();
443 public Vector<RuralHouse> getRuralHousesByTown(String town){
444 RuralHouse rh = new RuralHouse(null,null,null,town,null);
446 if (c.isDatabaseLocal() == false)
452 ObjectSet<RuralHouse> result = db.queryByExample(rh);
453 Vector<RuralHouse> ruralHouses = new Vector<RuralHouse>();
454 while (result.hasNext())
455 ruralHouses.add(result.next());
462 public RuralHouse getRuralHouseByName(String name){
463 RuralHouse rh = new RuralHouse(name,null,null,null,null);
465 if (c.isDatabaseLocal() == false)
471 ObjectSet<RuralHouse> result = db.queryByExample(rh);
472 Vector<RuralHouse> ruralHouses = new Vector<RuralHouse>();
473 while(result.hasNext())
474 ruralHouses.add(result.next());
476 return ruralHouses.get(0);
477 } catch (NullPointerException e){
485 public Vector<RuralHouse> getRuralHouses(String town,int nBed , int nKit, int nBath, int nPark, int nLiv){
486 HouseFeatures fea = new HouseFeatures(nBed,nKit,nBath,nLiv,nPark);
487 RuralHouse rh = new RuralHouse(null,null,null,town,fea);
488 if (c.isDatabaseLocal() == false)
494 ObjectSet<RuralHouse> result = db.queryByExample(rh);
495 Vector<RuralHouse> ruralHouses = new Vector<RuralHouse>();
496 while(result.hasNext())
497 ruralHouses.add(result.next());
500 } catch (NullPointerException e){