Application Example:Room Booking

Room 101 Object

Middleware System

GUI Object

1) Register control of Room 301.

2)Who controls Room 301?

3) Object 5a62b9D does.

4) Object 5a62b9D, register room 301 for 3pm to 5pm on Wed, Nov 15,2000.

5) Return value TRUE, Registration succeeded.

6) Release Object 5a62b9D.

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