org.springframework.webflow.samples.booking
Class JpaTravelService

java.lang.Object
  org.springframework.webflow.samples.booking.JpaTravelService

All Implemented Interfaces:

TravelService

@Service(value="travelService")
@Repository
public class JpaTravelService
extends Object
implements TravelService

A JPA-based implementation of the Booking Service. Delegates to a JPA entity manager to issue data access calls against the backing repository. The EntityManager reference is provided by the managing container (Spring) automatically.

Constructor Summary

JpaTravelService()

Method Summary

Hotel	addHotel(Hotel hotel)
Preference	addPreference(String userName, Preference preference) Create a new user preference
void	cancelBooking(Long id) Cancel an existing booking.
Booking	createBooking(Long hotelId, String username) Create a new, transient hotel booking instance for the given user.
void	deletePreference(Long id)
List<Booking>	findBookings(String username) Find bookings made by the given user
Hotel	findHotelById(Long id) Find hotels by their identifier.
List<Hotel>	findHotels(SearchCriteria criteria) Find hotels available for booking by some criteria.
Preference	findPreferenceById(Long id)
List<Preference>	findPreferences(String username)
void	savePreference(Preference preference)
void	setEntityManager(javax.persistence.EntityManager em)

Methods inherited from class java.lang.Object

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

Constructor Detail

JpaTravelService

public JpaTravelService()

Method Detail

setEntityManager

public void setEntityManager(javax.persistence.EntityManager em)

findBookings

@Transactional(readOnly=true)
public List<Booking> findBookings(String username)

Description copied from interface: TravelService

Find bookings made by the given user

Specified by:

findBookings in interface TravelService

Parameters:

username - the user's name

Returns:

their bookings

findHotels

@Transactional(readOnly=true)
public List<Hotel> findHotels(SearchCriteria criteria)

Description copied from interface: TravelService

Find hotels available for booking by some criteria.

Specified by:

findHotels in interface TravelService

Parameters:

criteria - the search criteria

Returns:

a list of hotels meeting the criteria

findHotelById

@Transactional(readOnly=true)
public Hotel findHotelById(Long id)

Description copied from interface: TravelService

Find hotels by their identifier.

Specified by:

findHotelById in interface TravelService

Parameters:

id - the hotel id

Returns:

the hotel

createBooking

@Transactional(readOnly=true)
public Booking createBooking(Long hotelId,
                                           String username)

Description copied from interface: TravelService

Create a new, transient hotel booking instance for the given user.

Specified by:

createBooking in interface TravelService

Parameters:

hotelId - the hotelId

username - the user name

Returns:

the new transient booking instance

cancelBooking

@Transactional
public void cancelBooking(Long id)

Description copied from interface: TravelService

Cancel an existing booking.

Specified by:

cancelBooking in interface TravelService

Parameters:

id - the booking id

addPreference

@Transactional
public Preference addPreference(String userName,
                                              Preference preference)

Description copied from interface: TravelService

Create a new user preference

Specified by:

addPreference in interface TravelService

preference - TODO

Returns:

the new preference instance

deletePreference

@Transactional
public void deletePreference(Long id)

Specified by:

deletePreference in interface TravelService

findPreferences

@Transactional(readOnly=true)
public List<Preference> findPreferences(String username)

Specified by:

findPreferences in interface TravelService

Returns:

findPreferenceById

@Transactional
public Preference findPreferenceById(Long id)

Specified by:

findPreferenceById in interface TravelService

Returns:

savePreference

@Transactional
public void savePreference(Preference preference)

Specified by:

savePreference in interface TravelService

addHotel

@Transactional
public Hotel addHotel(Hotel hotel)

Specified by:

addHotel in interface TravelService