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Segment * ----- 1 Flight
William Butler Yeats: All life is a preparation for something that probably will never happen. Unless you make it happen.
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instead of having a Flight object that contains all flight details (depart/arrival airport, time, etc) just have a lightweight object wrapping the flight ID or something?
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TO is technology specific and hence should not be part of the BDM. Technology should not be the driver when deciding on the class diagram.
Besides Itinerary, Segment, Flight, etc. might only exist on the server side!
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