Package info.ejava.examples.ejb.ejbjpa.dao

Class JPAHotelDAO

java.lang.Object

info.ejava.examples.ejb.ejbjpa.dao.JPAHotelDAO

All Implemented Interfaces:

HotelDAO

public class JPAHotelDAO
extends Object
implements HotelDAO

Field Summary

Fields

Modifier and Type	Field	Description
private EntityManager	em

Constructor Summary

Constructors

Constructor	Description
JPAHotelDAO()

Method Summary

Modifier and Type	Method	Description
void	addFloor(Floor floor)
void	addGuest(Guest guest)
void	clearAll()
Floor	fetchFloor(int level)
Room	findRoomByGuest(Guest guest)
List<Room>	getAvailableRooms(Integer level, int offset, int limit)
List<Room>	getAvailableRoomsForUpdate(Integer level, int offset, int limit)
protected TypedQuery<Room>	getAvailableRoomsQuery(Integer level, int offset, int limit)
Floor	getFloor(int level)
List<Floor>	getFloors(int offset, int limit)
Room	getRoom(int number)
void	populate()
void	setEntityManager(EntityManager em)
private <T> TypedQuery<T>	withPaging(TypedQuery<T> query, int offset, int limit)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

em

private EntityManager em

Constructor Detail

JPAHotelDAO

public JPAHotelDAO()

Method Detail

setEntityManager

public void setEntityManager(EntityManager em)

withPaging

private <T> TypedQuery<T> withPaging(TypedQuery<T> query,
                                     int offset,
                                     int limit)

populate

public void populate()

Specified by:

populate in interface HotelDAO

clearAll

public void clearAll()

Specified by:

clearAll in interface HotelDAO

addFloor

public void addFloor(Floor floor)

Specified by:

addFloor in interface HotelDAO

getFloor

public Floor getFloor(int level)

Specified by:

getFloor in interface HotelDAO

fetchFloor

public Floor fetchFloor(int level)

Specified by:

fetchFloor in interface HotelDAO

getFloors

public List<Floor> getFloors(int offset,
                             int limit)

Specified by:

getFloors in interface HotelDAO

getRoom

public Room getRoom(int number)

Specified by:

getRoom in interface HotelDAO

getAvailableRoomsQuery

protected TypedQuery<Room> getAvailableRoomsQuery(Integer level,
                                                  int offset,
                                                  int limit)

getAvailableRooms

public List<Room> getAvailableRooms(Integer level,
                                    int offset,
                                    int limit)

Specified by:

getAvailableRooms in interface HotelDAO

getAvailableRoomsForUpdate

public List<Room> getAvailableRoomsForUpdate(Integer level,
                                             int offset,
                                             int limit)

Specified by:

getAvailableRoomsForUpdate in interface HotelDAO

findRoomByGuest

public Room findRoomByGuest(Guest guest)

Specified by:

findRoomByGuest in interface HotelDAO

addGuest

public void addGuest(Guest guest)

Specified by:

addGuest in interface HotelDAO