org.objectweb.jass.examples.travelagency.ejbs
Class TravelAgencyBean

java.lang.Object
  org.objectweb.jass.examples.travelagency.ejbs.TravelAgencyBean

All Implemented Interfaces:

javax.ejb.EnterpriseBean, java.io.Serializable, javax.ejb.SessionBean

public class TravelAgencyBean

extends java.lang.Object

implements javax.ejb.SessionBean

Makes the composed reservation by invoking the Airline and Hotel EJBs. It creates a ONT activity that scopes both invocations through the OpenNested service.

Author:

fran Date: Feb 16, 2004 org.objectweb.jass.examples.travelagency.ejbsTravelAgencyBean.java

See Also:

Serialized Form

Constructor Summary

TravelAgencyBean()

Method Summary

void	ejbActivate()
void	ejbCreate()
void	ejbPassivate()
void	ejbRemove()
void	makeReservation(java.lang.String name, int nSeats, int nRooms) Creates a ONT activity and invokes the Airline and the Hotel EJBs.
void	setSessionContext(javax.ejb.SessionContext sessionContext)

Methods inherited from class java.lang.Object

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

Constructor Detail

TravelAgencyBean

public TravelAgencyBean()

Method Detail

ejbCreate

public void ejbCreate()
               throws javax.ejb.CreateException

Throws:

javax.ejb.CreateException

ejbActivate

public void ejbActivate()
                 throws javax.ejb.EJBException

Specified by:

ejbActivate in interface javax.ejb.SessionBean

Throws:

javax.ejb.EJBException

ejbPassivate

public void ejbPassivate()
                  throws javax.ejb.EJBException

Specified by:

ejbPassivate in interface javax.ejb.SessionBean

Throws:

javax.ejb.EJBException

ejbRemove

public void ejbRemove()
               throws javax.ejb.EJBException

Specified by:

ejbRemove in interface javax.ejb.SessionBean

Throws:

javax.ejb.EJBException

setSessionContext

public void setSessionContext(javax.ejb.SessionContext sessionContext)
                       throws javax.ejb.EJBException

Specified by:

setSessionContext in interface javax.ejb.SessionBean

Throws:

javax.ejb.EJBException

makeReservation

public void makeReservation(java.lang.String name,
                            int nSeats,
                            int nRooms)
                     throws java.lang.Exception

Creates a ONT activity and invokes the Airline and the Hotel EJBs. If is not possible to make any reservation, the activity is rolled back and an exception is thrown to the application that uses this EJB.

Parameters:

name - - not used.

nSeats - - number of seats to reserve.

nRooms - - number of rooms to reserve.

Throws:

NotEnoughSeatsException - - thrown if there are not enough seats.

NotEnoughRoomsException - - thrown if there are not enough rooms.

java.lang.Exception