import javax.jws.WebMethod;
import javax.jws.WebParam;
import javax.jws.WebService;

@WebService(serviceName = "Reservation")
public class Reservation {
    public int                       numberOfSeats;
    public PersistentInterval        timetable;
    public PersistentReservationData reservationData;
    
    public Reservation() { 
        // ...
    }    
    
    @WebMethod(operationName = "getTimeTable")
    public ArrayList<Interval> getTimeTable() {
        return persistentInterval2IntervalArrayList(timetable);                
    }    
    
    @WebMethod(operationName = "getAvailableSeats")
    public int getAvailableSeats(@WebParam(name = "interval") Interval interval) {  
        int result = numberOfSeats;
        // ...
        return result;
    }
        
    @WebMethod(operationName = "makeReservation")
    public boolean makeReservation(
    @WebParam(name = "customerId") int customerId,
           @WebParam(name = "interval") Interval interval,
           @WebParam(name = "noOfSeatsRequired") int noOfSeatsRequired) {
        boolean result = false;
        // ...
        return result;
    }

    @WebMethod(operationName = "cancelReservation")
    public boolean cancelReservation(
           @WebParam(name = "customerId") int customerId,
           @WebParam(name = "interval") Interval interval) {
        boolean result = false; 
        // ...     
        return result;
    }
}