RRRRHHHH_Code
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package dataAccess; 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.ListIterator; import java.util.Vector; import com.db4o.*; import com.db4o.config.EmbeddedConfiguration; import com.db4o.cs.Db4oClientServer; import com.db4o.cs.config.ClientConfiguration; import configuration.ConfigXML; import domain.Account; 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; 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 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()) { openDB(); System.out.println("DataBase opened"); } else // c.isDatabaseLocal==false { openSDB(); System.out.println("Remote DataBase opened"); } if (c.getDataBaseOpenMode().equals("initialize")) { initializeDB(); System.out.println("DataBase initialized"); } 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() { configuration = Db4oEmbedded.newConfiguration(); configuration.common().activationDepth(c.getActivationDepth()); configuration.common().updateDepth(c.getUpdateDepth()); configuration.common().objectClass(Owner.class).cascadeOnDelete(true); db = Db4oEmbedded.openFile(configuration, c.getDb4oFilename()); } 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()); } class DB4oManagerAux { int bookingNumber; int offerNumber; DB4oManagerAux(int bookingNumber, int offerNumber) { this.bookingNumber = bookingNumber; this.offerNumber = offerNumber; } } public static DB4oManager getInstance() throws Exception { if (theDB4oManager == null) theDB4oManager = new DB4oManager(); return theDB4oManager; } public void initializeDB() { try { Owner jon = new Owner("Jon"); Owner alfredo = new Owner("Alfredo"); jon.addRuralHouse("Ezkioko", "Ezkioko etxea", "Ezkio", 3, 3, 3, 3, 3); jon.addRuralHouse("Eskiatze", "Eskiatzeko etxea", "Jaca", 4, 4, 4, 4, 4); jon.setBankAccount("1349 5677 21 2133567777"); alfredo.addRuralHouse("Aitonako", "Casa del abuelo", "Pitillas", 5, 5, 5, 5, 5); alfredo.addRuralHouse("Murgoitz", "", "Murgia", 6, 6, 6, 6, 6); alfredo.setBankAccount("4144 0087 23 9700002133"); Account jonAcc = new Account("userJon", "passJon", jon); Account alfredoAcc = new Account("userAlfredo", "passAlfredo", alfredo); db.store(jon); db.store(alfredo); db.store(jonAcc); db.store(alfredoAcc); db.commit(); } finally { db.close(); } } public void deleteDB() { 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(); } } @SuppressWarnings("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 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; } @SuppressWarnings("finally") public Offer modifyOffer(Offer offer) throws RemoteException, Exception { if (c.isDatabaseLocal() == false) openSDB(); else openDB(); try { db.store(offer); db.commit(); } catch (com.db4o.ext.ObjectNotStorableException e) { System.out .println("Error: com.db4o.ext.ObjectNotStorableException in createOffer"); } finally { db.close(); } return offer; } @SuppressWarnings("finally") public void deleteOffer(RuralHouse rh, Offer offer) throws RemoteException, Exception { if (c.isDatabaseLocal() == false) openSDB(); else openDB(); try { db.store(rh); db.delete(offer); db.commit(); } catch (com.db4o.ext.ObjectNotStorableException e) { System.out .println("Error: com.db4o.ext.ObjectNotStorableException in createOffer"); } finally { db.close(); } } /** * This method creates a book with a corresponding parameters * * @param First * day, last day, house number and telephone * @return a book */ 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) openSDB(); RuralHouse proto = new RuralHouse(ruralHouse.getHouseName(), null, ruralHouse.getDescription(), ruralHouse.getDistrict(), null); ObjectSet 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 db.store(offer); db.commit(); bok = offer.getBooking(); } } catch (com.db4o.ext.ObjectNotStorableException e) { System.out .println("Error: com.db4o.ext.ObjectNotStorableException in createBooking"); } catch (Exception exc) { exc.printStackTrace(); } finally { db.close(); } return bok; } /** * This method existing owners * */ public Vector<Owner> getOwners() throws RemoteException, Exception { 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()) owners.add((Owner) result.next()); return owners; } finally { db.close(); } } public Vector<RuralHouse> getAllRuralHouses() throws RemoteException, Exception { if (c.isDatabaseLocal() == false) openSDB(); else openDB(); try { RuralHouse proto = new RuralHouse(null, 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(); } } 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() { return db; } public void close() { db.close(); System.out.println("DataBase closed"); } public String toString() { return "bookingNumber=" + bookingNumber + " offerNumber=" + offerNumber; } /** * @param usr * @param pwd * @return * @throws RemoteException * @throws Exception */ public Vector<Account> getAccount(String usr, String pwd) 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(); } } /** * @param rh */ public boolean storeRuralHouses(RuralHouse rh) { if (c.isDatabaseLocal() == false) openSDB(); else openDB(); boolean stored = false; RuralHouse house = new RuralHouse(rh.getHouseName(), null, null, null, null); try { ObjectSet<Owner> result = db.queryByExample(house); if (result.isEmpty()) { db.store(rh); db.commit(); stored = true; } } finally { db.close(); } return stored; } public void removeHouse(RuralHouse rh, Owner owner) { if (c.isDatabaseLocal() == false) openSDB(); else openDB(); try { ObjectSet<RuralHouse> result = db.queryByExample(rh); if (!result.isEmpty()) { RuralHouse found = (RuralHouse) result.get(0); // db.delete(found.getOwner()); db.store(owner); db.delete(found); db.commit(); } } catch (Exception exc) { exc.printStackTrace(); } finally { db.close(); } } public Vector<RuralHouse> getRuralHousesByTown(String town){ RuralHouse rh = new RuralHouse(null,null,null,town,null); 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()); return ruralHouses; } finally { db.close(); } } public RuralHouse getRuralHouseByName(String name){ RuralHouse rh = new RuralHouse(name,null,null,null,null); 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.get(0); } catch (NullPointerException e){ return null; } } public Vector<RuralHouse> getRuralHouses(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(null,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; } } } |
Commits for RRRRHHHH_CoderuralHouses/src/dataAccess/DB4oManager.java
Revision | Author | Commited | Message |
---|---|---|---|
5ad0cc ... Diff | Eneko Pinzolas Murua | Wed 01 Apr, 2015 17:46:59 +0000 | ModifyHouseGUI created and its link from HouseRelatedOwnerGUI reestablished |
afdc66 ... Diff | camjan | Wed 25 Mar, 2015 16:43:35 +0000 | Villatripas de arriba districs added and the option of searching houses with diferent parameters |
5dd541 ... Diff | camjan | Wed 11 Mar, 2015 22:59:01 +0000 | GUI added to show list of available houses |
95c4ff ... Diff | pinene | Tue 10 Mar, 2015 18:36:52 +0000 | deleted: ruralHouses/hs_err_pid6014.log |
82c870 ... Diff | pinene | Tue 10 Mar, 2015 13:32:30 +0000 | DeleteHouses bug debugged |
bb8482 ... Diff | Eneko Pinzolas Murua | Tue 10 Mar, 2015 13:23:13 +0000 | temp |
bd03dd ... Diff | camjan | Tue 10 Mar, 2015 13:06:22 +0000 | Administrator class created delete debbuging started |
4a87ac ... Diff | camjan | Tue 10 Mar, 2015 12:19:47 +0000 | Merge branch ‘master’ of https://xp-dev.com/git/RRRRHHHH_Code Conflicts: |
eac0e6 ... Diff | camjan | Tue 10 Mar, 2015 12:16:52 +0000 | minor changes |
7c0734 ... | Eneko Pinzolas Murua | Tue 10 Mar, 2015 12:15:11 +0000 | house code changed to name |