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Modeling 1...1*

Ram Ruk
Greenhorn

Joined: Nov 19, 2006
Posts: 10
Hi, In the business domain model, the Itinerary has a 1...1* relationship with the Segment. How would you model such a relationship? 1..1 is a reference. 1..0* is a list. Not sure how 1...1* might be modeled. Any thoughts?

Thanks
Ara Tatous
Greenhorn

Joined: Jul 11, 2005
Posts: 16
You never encounter an emply list. Say in Java, ArrayList can exist but its size can be zero, one or more than one. right?
So, if you use a List it will cover all the cases.
 
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subject: Modeling 1...1*