|[EMF] Lower bound 0 vs lower bound 1 of Reference [message #1745050]
||Tue, 04 October 2016 13:42
| Marco Sgura
Registered: September 2016
I started recently with EMF and i have a doubt:
If i have class diagram like this:
A -----> B
In the generated code of A i see:
with lower bound = 0 or with lower bound = 1. So in the new Eclipse instance started to populate the model, initial value of property B in an instance of A is not set, then i can set it with a reference to B or return it to initial value. So are there any differences between lower bound = 0 and lower bound = 1 of reference? In the case of lower bound = 1 i was expecting to be able to create an instance of A only then an instance of B to have a value consistent with lower bound constraint.
Thank you all.
[Updated on: Tue, 04 October 2016 13:47]
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