import java.io.File;
//import java.util.Enumeration;
//import java.util.Vector;
-
-
import java.rmi.RemoteException;
-import java.sql.Date;
-import java.util.HashSet;
+import java.util.Date;
+import java.util.LinkedList;
+import java.util.List;
import java.util.ListIterator;
import java.util.Vector;
-import com.db4o.*;
+import com.db4o.Db4oEmbedded;
+import com.db4o.ObjectContainer;
+import com.db4o.ObjectSet;
import com.db4o.config.EmbeddedConfiguration;
import com.db4o.cs.Db4oClientServer;
import com.db4o.cs.config.ClientConfiguration;
+import com.db4o.query.Predicate;
import configuration.ConfigXML;
import domain.Account;
+import domain.Administrator;
import domain.Booking;
+import domain.HouseFeatures;
import domain.Offer;
//import dataModel.Offer;
import domain.Owner;
import domain.RuralHouse;
import exceptions.OfferCanNotBeBooked;
import exceptions.OverlappingOfferExists;
-public class DB4oManager {
- private static ObjectContainer db;
+public class DB4oManager {
+
+ private static ObjectContainer db;
private static EmbeddedConfiguration configuration;
private static ClientConfiguration configurationCS;
- private int bookingNumber=0; // if it is "static" then it is not serialized
- private int offerNumber=0; // if it is "static" then it is not serialized
- private static DB4oManager theDB4oManager=null;
+ private int bookingNumber = 0; // if it is "static" then it is not
+ // serialized
+ private int offerNumber = 0; // if it is "static" then it is not serialized
+ private static DB4oManager theDB4oManager = null;
private static DB4oManagerAux theDB4oManagerAux;
+
static ConfigXML c;
private DB4oManager() throws Exception {
- theDB4oManagerAux=new DB4oManagerAux(0,0);
- c=ConfigXML.getInstance();
- System.out.println("Creating DB4oManager instance => isDatabaseLocal: "+c.isDatabaseLocal()+" getDatabBaseOpenMode: "+c.getDataBaseOpenMode());
-
-
- if ((c.getDataBaseOpenMode().equals("initialize")) && (c.isDatabaseLocal()))
- new File(c.getDb4oFilename()).delete();
-
- if (c.isDatabaseLocal())
- {
- configuration = Db4oEmbedded.newConfiguration();
- configuration.common().activationDepth(c.getActivationDepth());
- configuration.common().updateDepth(c.getUpdateDepth());
- db=Db4oEmbedded.openFile(configuration, c.getDb4oFilename());
+ theDB4oManagerAux = new DB4oManagerAux(0, 0);
+ c = ConfigXML.getInstance();
+ System.out.println("Creating DB4oManager instance => isDatabaseLocal: "
+ + c.isDatabaseLocal() + " getDatabBaseOpenMode: "
+ + c.getDataBaseOpenMode());
+
+ if ((c.getDataBaseOpenMode().equals("initialize"))
+ && (c.isDatabaseLocal()))
+ new File(c.getDb4oFilename()).delete();
+
+ if (c.isDatabaseLocal()) {
+ openDB();
System.out.println("DataBase opened");
+ } else // c.isDatabaseLocal==false
+ {
+ openSDB();
+ System.out.println("Remote DataBase opened");
}
- else // c.isDatabaseLocal==false
- {
- openObjectContainer();
- }
- if (c.getDataBaseOpenMode().equals("initialize"))
- { initializeDB();
+ if (c.getDataBaseOpenMode().equals("initialize")) {
+ initializeDB();
System.out.println("DataBase initialized");
+ } else // c.getDataBaseOpenMode().equals("open")
+
+ {
+ ObjectSet<DB4oManagerAux> res = db
+ .queryByExample(DB4oManagerAux.class);
+ ListIterator<DB4oManagerAux> listIter = res.listIterator();
+ if (listIter.hasNext())
+ theDB4oManagerAux = (DB4oManagerAux) res.next();
}
- else // c.getDataBaseOpenMode().equals("open")
-
- {
- ObjectSet res =db.queryByExample(DB4oManagerAux.class);
- ListIterator listIter = res.listIterator();
- if (listIter.hasNext()) theDB4oManagerAux = (DB4oManagerAux) res.next();
- }
- }
+ }
- private static void openDB(){
+ private static void openDB() {
configuration = Db4oEmbedded.newConfiguration();
configuration.common().activationDepth(c.getActivationDepth());
configuration.common().updateDepth(c.getUpdateDepth());
- db=Db4oEmbedded.openFile(configuration, c.getDb4oFilename());
+ configuration.common().objectClass(Owner.class).cascadeOnUpdate(true);
+ configuration.common().objectClass(Owner.class).cascadeOnDelete(true);
+ configuration.common().objectClass(RuralHouse.class)
+ .cascadeOnUpdate(true);
+ configuration.common().objectClass(Account.class).cascadeOnUpdate(true);
+ db = Db4oEmbedded.openFile(configuration, c.getDb4oFilename());
}
-
- private void openObjectContainer(){
-
+
+ private void openSDB() {
+
configurationCS = Db4oClientServer.newClientConfiguration();
configurationCS.common().activationDepth(c.getActivationDepth());
configurationCS.common().updateDepth(c.getUpdateDepth());
configurationCS.common().objectClass(Owner.class).cascadeOnDelete(true);
- db = Db4oClientServer.openClient(configurationCS,c.getDatabaseNode(),
- c.getDatabasePort(),c.getUser(),c.getPassword());
+ db = Db4oClientServer.openClient(configurationCS, c.getDatabaseNode(),
+ c.getDatabasePort(), c.getUser(), c.getPassword());
}
-
+
class DB4oManagerAux {
int bookingNumber;
int offerNumber;
- DB4oManagerAux(int bookingNumber,int offerNumber){
- this.bookingNumber=bookingNumber;
- this.offerNumber=offerNumber;
+
+ DB4oManagerAux(int bookingNumber, int offerNumber) {
+ this.bookingNumber = bookingNumber;
+ this.offerNumber = offerNumber;
}
}
- public static DB4oManager getInstance() throws Exception{
- if (theDB4oManager==null)
- theDB4oManager=new DB4oManager();
+ public static DB4oManager getInstance() throws Exception {
+ if (theDB4oManager == null)
+ theDB4oManager = new DB4oManager();
return theDB4oManager;
}
-
-
- public void initializeDB(){
-
+
+ public void initializeDB() {
+
try {
- Owner jon = new Owner("Jon");
- Owner alfredo = new Owner("Alfredo");
- jon.addRuralHouse(1, "Ezkioko etxea", "Ezkio", 3, 3, 3, 3, 3);
- jon.addRuralHouse(2, "Eskiatzeko etxea", "Jaca", 4, 4, 4, 4, 4);
- jon.setBankAccount("1349 5677 21 2133567777");
- alfredo.addRuralHouse(3, "Casa del abuelo", "Pitillas", 5, 5,
+ Owner jon = new Owner("Jon", "1349 5677 21 2133567777",
+ "Jon@gmail.com");
+ Owner alfredo = new Owner("Alfredo", "4144 0087 23 9700002133",
+ "alfredo@gmail.com");
+ jon.addRuralHouse("Ezkioko", "Ezkioko etxea", "Beatriz", 3, 3, 3,
+ 3, 3);
+ jon.addRuralHouse("Eskiatze", "Eskiatzeko etxea", "Guazate", 4, 4,
+ 4, 4, 4);
+ alfredo.addRuralHouse("Aitonako", "Casa del abuelo", "Vegas", 5, 5,
5, 5, 5);
- alfredo.addRuralHouse(4,"", "Murgia", 6, 6, 6, 6, 6);
- alfredo.setBankAccount("4144 0087 23 9700002133");
- Account jonAcc = new Account("userJon", "passJon", jon);
+
+ alfredo.addRuralHouse("Murgoitz", "", "Cedro", 6, 6, 6, 6, 6);
+ Account jonAcc = new Account("1", "1", jon);
Account alfredoAcc = new Account("userAlfredo", "passAlfredo",
alfredo);
- db.store(jon);
- db.store(alfredo);
+
+ Account admin = new Account("admin", "admin", true);
+ db.store(Administrator.getInstance());
db.store(jonAcc);
db.store(alfredoAcc);
+ db.store(admin);
db.commit();
- }
- finally {
- //db.close();
+ } finally {
+ db.close();
}
}
-
- @SuppressWarnings("finally")
- public Offer createOffer(RuralHouse ruralHouse, Date firstDay, Date lastDay,
- float price) throws RemoteException, Exception {
- Offer o = null;
- try {
-
- if (c.isDatabaseLocal()==false) openObjectContainer();
-
-
- RuralHouse proto = new RuralHouse(ruralHouse.getHouseNumber(),null,null,null,null);
- ObjectSet result = db.queryByExample(proto);
- RuralHouse rh=(RuralHouse)result.next();
- o=rh.createOffer(theDB4oManagerAux.offerNumber++,firstDay, lastDay, price);
- db.store(theDB4oManagerAux); // To store the new value for offerNumber
- db.store(o);
- db.commit();
-
- }
- catch (com.db4o.ext.ObjectNotStorableException e){
- System.out.println("Error: com.db4o.ext.ObjectNotStorableException in createOffer");
+
+ public void deleteDB() {
+
+ if (c.isDatabaseLocal() == false)
+ openSDB();
+ else
+ openDB();
+
+ try {
+ Owner proto = new Owner(null, null, null);
+ ObjectSet<Owner> result = db.queryByExample(proto);
+ while (result.hasNext()) {
+ Owner o = (Owner) result.next();
+ System.out.println("Deleted owner: " + o.toString());
+ db.delete(o);
+ }
+ db.commit();
+ } finally {
+ db.close();
+ }
}
- finally {
+
+ public Offer createOffer(RuralHouse ruralHouse, Date firstDay,
+ Date lastDay, float price) throws RemoteException, Exception {
+ Offer o = null;
+
+ if (c.isDatabaseLocal() == false)
+ openSDB();
+ else
+ openDB();
+
+ try {
+
+ RuralHouse proto = new RuralHouse(ruralHouse.getHouseName(), null,
+ null, null, null);
+ ObjectSet<RuralHouse> result = db.queryByExample(proto);
+ RuralHouse rh = (RuralHouse) result.next();
+ o = rh.createOffer(theDB4oManagerAux.offerNumber++, firstDay,
+ lastDay, price);
+ db.store(theDB4oManagerAux); // To store the new value for
+ // offerNumber
+ db.store(o);
+ db.commit();
+
+ } catch (com.db4o.ext.ObjectNotStorableException e) {
+ System.out
+ .println("Error: com.db4o.ext.ObjectNotStorableException in createOffer");
+ } finally {
+ db.close();
+ }
return o;
}
+
+ public void deleteOffer(Offer offer) throws RemoteException, Exception {
+ if (c.isDatabaseLocal() == false)
+ openSDB();
+ else
+ openDB();
+
+ try {
+ ObjectSet<Offer> of = db.queryByExample(offer);
+ RuralHouse rh = of.get(0).getRuralHouse();
+ System.out.println(rh.offers.remove(of.get(0)));
+ db.store(rh);
+ db.commit();
+
+ } catch (com.db4o.ext.ObjectNotStorableException e) {
+ System.out
+ .println("Error: com.db4o.ext.ObjectNotStorableException in createOffer");
+ } finally {
+ db.close();
+ }
}
-
- public void deleteDB() {
-
+
+ public Administrator getAdminData() {
+ if (c.isDatabaseLocal() == false)
+ openSDB();
+ else
+ openDB();
+
+ try {
+
+ List<Administrator> admL = db.query(new Predicate<Administrator>() {
+ /**
+ *
+ */
+ private static final long serialVersionUID = 1L;
+
+ public boolean match(Administrator admin) {
+ return true;
+ }
+ });
+
+ return admL.get(0);
+ } finally {
+ db.close();
+
+ }
+
+ }
+
+ @SuppressWarnings("static-access")
+ public void storeAdmin() {
+ if (c.isDatabaseLocal() == false)
+ openSDB();
+ else
+ openDB();
try {
- Owner proto = new Owner(null,null);
- ObjectSet result = db.queryByExample(proto);
- Vector<Owner> owners=new Vector<Owner>();
- while(result.hasNext())
- { Owner o = (Owner)result.next();
- System.out.println("Deleted owner: "+o.toString());
- db.delete(o);
- }
- db.commit();
- } finally {
- // db.close();
- }
+
+ List<Administrator> admL = db.query(new Predicate<Administrator>() {
+ /**
+ *
+ */
+ private static final long serialVersionUID = 1L;
+
+ public boolean match(Administrator admin) {
+ return true;
+ }
+ });
+
+ admL.get(0).setAddRequest(
+ Administrator.getInstance().getAddRequest());
+ admL.get(0).setRemoveRequest(
+ Administrator.getInstance().getRemoveRequest());
+ admL.get(0).setNewOwnerRequest(
+ Administrator.getInstance().getNewOwnerRequest());
+ db.commit();
+
+ } catch (Exception e) {
+
+ } finally {
+ db.close();
+ }
+
}
/**
* day, last day, house number and telephone
* @return a book
*/
- public Booking createBooking(RuralHouse ruralHouse, Date firstDate, Date lastDate, String bookTelephoneNumber)
+ public Booking createBooking(RuralHouse ruralHouse, Date firstDate,
+ Date lastDate, String bookTelephoneNumber)
throws OfferCanNotBeBooked {
-
+
+ if (c.isDatabaseLocal() == false)
+ openSDB();
+ else
+ openDB();
+
+ Booking bok = null;
+
try {
- if (c.isDatabaseLocal()==false) openObjectContainer();
+ if (c.isDatabaseLocal() == false)
+ openSDB();
- RuralHouse proto = new RuralHouse(ruralHouse.getHouseNumber(),null,ruralHouse.getDescription(),ruralHouse.getTown(), null);
- ObjectSet result = db.queryByExample(proto);
- RuralHouse rh=(RuralHouse)result.next();
+ RuralHouse proto = new RuralHouse(ruralHouse.getHouseName(), null,
+ ruralHouse.getDescription(), ruralHouse.getDistrict(), null);
+ ObjectSet<RuralHouse> result = db.queryByExample(proto);
+ RuralHouse rh = (RuralHouse) result.next();
Offer offer;
offer = rh.findOffer(firstDate, lastDate);
- if (offer!=null) {
- offer.createBooking(theDB4oManagerAux.bookingNumber++, bookTelephoneNumber);
- db.store(theDB4oManagerAux); // To store the new value for bookingNumber
+ if (offer != null) {
+ offer.createBooking(theDB4oManagerAux.bookingNumber++,
+ bookTelephoneNumber);
+ db.store(theDB4oManagerAux); // To store the new value for
+ // bookingNumber
db.store(offer);
db.commit();
- return offer.getBooking();
+ bok = offer.getBooking();
}
- return null;
- } catch (com.db4o.ext.ObjectNotStorableException e){
- System.out.println("Error: com.db4o.ext.ObjectNotStorableException in createBooking");
- return null;
- }
- catch (Exception exc) {
+ } catch (com.db4o.ext.ObjectNotStorableException e) {
+ System.out
+ .println("Error: com.db4o.ext.ObjectNotStorableException in createBooking");
+ } catch (Exception exc) {
exc.printStackTrace();
- return null;
+ } finally {
+ db.close();
}
+ return bok;
}
-
/**
- * This method existing owners
+ * This method existing owners
*
*/
- public Vector<Owner> getOwners() throws RemoteException,
- Exception {
-
- if (c.isDatabaseLocal()==false) openObjectContainer();
-
- try {
- Owner proto = new Owner(null,null);
- ObjectSet result = db.queryByExample(proto);
- Vector<Owner> owners=new Vector<Owner>();
- while(result.hasNext())
- owners.add((Owner)result.next());
- return owners;
- } finally {
- //db.close();
- }
- }
+ public Vector<Owner> getOwners() throws RemoteException, Exception {
+
+ if (c.isDatabaseLocal() == false)
+ openSDB();
+ else
+ openDB();
+
+ try {
+ Owner proto = new Owner(null, null, null);
+ ObjectSet<Owner> result = db.queryByExample(proto);
+ Vector<Owner> owners = new Vector<Owner>();
+ while (result.hasNext())
+ owners.add((Owner) result.next());
+ return owners;
+ } finally {
+ db.close();
+ }
+ }
+
public Vector<RuralHouse> getAllRuralHouses() throws RemoteException,
- Exception {
- if (c.isDatabaseLocal()==false) openObjectContainer();
-
- try {
- RuralHouse proto = new RuralHouse(0,null,null,null,null);
- ObjectSet result = db.queryByExample(proto);
- Vector<RuralHouse> ruralHouses=new Vector<RuralHouse>();
- while(result.hasNext())
- ruralHouses.add((RuralHouse)result.next());
- return ruralHouses;
- } finally {
- // db.close();
- }
+ Exception {
+
+ if (c.isDatabaseLocal() == false)
+ openSDB();
+ else
+ openDB();
+
+ try {
+ RuralHouse proto = new RuralHouse(null, null, null, null, null);
+ ObjectSet<RuralHouse> result = db.queryByExample(proto);
+ Vector<RuralHouse> ruralHouses = new Vector<RuralHouse>();
+ while (result.hasNext())
+ ruralHouses.add((RuralHouse) result.next());
+ return ruralHouses;
+ } finally {
+ db.close();
+ }
}
-
- public boolean existsOverlappingOffer(RuralHouse rh,Date firstDay, Date lastDay) throws RemoteException, OverlappingOfferExists{
- try {
- if (c.isDatabaseLocal()==false) openObjectContainer();
-
- RuralHouse rhn = (RuralHouse) db.queryByExample(new RuralHouse(rh.getHouseNumber(),null,null,null,null)).next();
- if (rhn.overlapsWith(firstDay, lastDay)!=null) throw new OverlappingOfferExists();
- else return false;
- } finally {
- //db.close();
- }
+
+ public boolean existsOverlappingOffer(RuralHouse rh, Date firstDay,
+ Date lastDay) throws RemoteException, OverlappingOfferExists {
+
+ if (c.isDatabaseLocal() == false)
+ openSDB();
+ else
+ openDB();
+
+ try {
+
+ RuralHouse rhn = (RuralHouse) db.queryByExample(
+ new RuralHouse(rh.getHouseName(), null, null, null, null))
+ .next();
+ if (rhn.overlapsWith(firstDay, lastDay) != null)
+ throw new OverlappingOfferExists();
+ else
+ return false;
+ } finally {
+ db.close();
+ }
}
- public static ObjectContainer getContainer(){
+ public static ObjectContainer getContainer() {
return db;
}
-
- public void close(){
+
+ public void close() {
db.close();
System.out.println("DataBase closed");
}
-
+
public String toString() {
- return "bookingNumber="+bookingNumber+" offerNumber="+offerNumber;
+ return "bookingNumber=" + bookingNumber + " offerNumber=" + offerNumber;
}
-
-
/**
* @param usr
- * @param pwd
+ * @param ps
* @return
* @throws RemoteException
* @throws Exception
*/
- public Vector<Account> getAccount(String usr, String pwd)
- throws RemoteException, Exception {
+ public Vector<Account> getAccount(Account proto) throws RemoteException,
+ Exception {
+
+ if (c.isDatabaseLocal() == false)
+ openSDB();
+ else
+ openDB();
try {
- Account proto = new Account(usr, pwd, new Owner(null, null));
ObjectSet<Account> result = db.queryByExample(proto);
Vector<Account> accounts = new Vector<Account>();
while (result.hasNext())
accounts.add((Account) result.next());
return accounts;
} finally {
- //db.close();
+ db.close();
}
}
* @param rh
*/
public boolean storeRuralHouses(RuralHouse rh) {
- DB4oManager.openDB();
+
+ if (c.isDatabaseLocal() == false)
+ openSDB();
+ else
+ openDB();
+
boolean stored = false;
- ObjectContainer db = DB4oManager.getContainer();
- RuralHouse house = new RuralHouse(rh.getHouseNumber(), null, null,
- null, null);
+ RuralHouse house = new RuralHouse(rh.getHouseName(), null, null, null,
+ null);
try {
- ObjectSet<Owner> result = db.queryByExample(house);
+ ObjectSet<RuralHouse> result = db.queryByExample(house);
if (result.isEmpty()) {
+ Owner ow = (Owner) db.queryByExample(rh.getOwner()).get(0);
+ rh.setOwner(ow);
+ ow.addRuralHouse(rh);
+ db.store(rh);
+ db.commit();
+ stored = true;
+ } else {
+ db.delete(result.get(0));
db.store(rh);
db.commit();
stored = true;
return stored;
}
- public void removeHouse(int houseNumber) {
- DB4oManager.openDB();
- RuralHouse house = new RuralHouse(houseNumber, null, null, null, null);
+ public void removeHouse(RuralHouse rh, Owner owner) {
+
+ if (c.isDatabaseLocal() == false)
+ openSDB();
+ else
+ openDB();
try {
- ObjectSet<RuralHouse> result = db.queryByExample(house);
- if (!result.isEmpty()) {
- RuralHouse found = (RuralHouse) result.get(0);
- db.delete(found);
+ ObjectSet<Owner> result = db.queryByExample(owner);
+ ObjectSet<RuralHouse> rhs = db.queryByExample(rh);
+ if (!rhs.isEmpty()) {
+ Owner found = result.get(0);
+ found.getRuralHouses().remove(rhs.get(0));
+ db.delete(rhs.get(0));
+ db.store(found);
db.commit();
}
} catch (Exception exc) {
}
}
-}
+
+ public Vector<RuralHouse> getRuralHouses(String name, String town,
+ int nBed, int nKit, int nBath, int nPark, int nLiv) {
+ HouseFeatures fea = new HouseFeatures(nBed, nKit, nBath, nLiv, nPark);
+ RuralHouse rh = new RuralHouse(name, null, null, town, fea);
+ if (c.isDatabaseLocal() == false)
+ openSDB();
+ else
+ openDB();
+
+ try {
+ ObjectSet<RuralHouse> result = db.queryByExample(rh);
+ Vector<RuralHouse> ruralHouses = new Vector<RuralHouse>();
+ while (result.hasNext())
+ ruralHouses.add(result.next());
+ db.close();
+ return ruralHouses;
+ } catch (NullPointerException e) {
+ return null;
+ }
+
+ }
+
+ public boolean addAccount(Account acc) {
+ if (c.isDatabaseLocal() == false)
+ openSDB();
+ else
+ openDB();
+
+ try {
+ //TODO realize if there is another account with same username. Quite difficult with the f***ing salt
+ db.store(acc);
+ db.commit();
+ } catch (Exception exc) {
+ exc.printStackTrace();
+ } finally {
+ db.close();
+ }
+ return true;
+ }
+ //TODO remove account
+
+ public boolean removeAccount(Account acc) {
+ return false;
+ }
+
+}