204 B Lim and H Zheng Figure 3 GUI control panel for the fridge client 画 Fridge gui for client Temperature 0304050 Milk Level(g)5 Order Milk xit Figure 4 Fridge back-end (service provider) t Fridge Back End Service Temperature. 1020304050 Order milk 2.3 Online grocer service To simulate the online grocer store, a back-end service is created(Figure 5 below ) Here, each time the Order Milk button is pressed(from either the GUI fridge client or the fridge back-end), the online grocer service echoes with a line on a terminal window te acknowledge receipt of the message Figure 5 Online store back-end(servi vider) sTore Back End Service 口|x Orders Recelved Milk order receied from fridge at Sun Jan 1602: 30: 52 CST 2000 Milk order receied from fridge at Sun Jan 16 02: 40 46 CST 2000 Milk order receied from fridge at Sun Jan 16 02: 40: 50 CST 2000 Process the order
204 B. Lim and H. Zheng Figure 3 GUI control panel for the fridge client Figure 4 Fridge back-end (service provider) 2.3 Online grocer service To simulate the online grocer store, a back-end service is created (Figure 5 below). Here, each time the Order Milk button is pressed (from either the GUI fridge client or the fridge back-end), the online grocer service echoes with a line on a terminal window to acknowledge receipt of the message. Figure 5 Online store back-end (service provider)
I day in the life of Jji 2. 4 Check-in service The most interesting and challenging service of this project is the check-in service. The client of the service is depicted in Figures 6 and 7. The former shows the passenger name, origin and destination of the flight, and the reservation code. Once the check-in button is pressed, the passenger is given a confirmation of the check in The confirmation tells the passenger the terminal and gate information. The back-end check-in service is depicted in Figure 8. Like the online grocer backend, it merely logs and echoes the check-in transactions initiated by the clients. Figure 6 Check-in service client □口 Last Name Firs Name heng Depart from Chicago Destinatio Seattle Reservation Code Check in Exit Figure 7 Check-in client- confirmation screen Resevation code Firs Name zheng Flight Numb 0033 Time 0:30am Termainal Gate 14
A day in the life of Jini 205 2.4 Check-in service The most interesting and challenging service of this project is the check-in service. The client of the service is depicted in Figures 6 and 7. The former shows the passenger name, origin and destination of the flight, and the reservation code. Once the check-in button is pressed, the passenger is given a confirmation of the check in. The confirmation tells the passenger the terminal and gate information. The back-end check-in service is depicted in Figure 8. Like the online grocer backend, it merely logs and echoes the check-in transactions initiated by the clients. Figure 6 Check-in service client Figure 7 Check-in client – confirmation screen