Hi Anne,

Fame does not have this support. But, for generation purposes, I think the upper bounds should be pretty much enough: as long as you have * upper bound, you should model it with a collection.

Could you give an example of how the lower bounds would change the generation?

Doru

On Fri, Aug 30, 2013 at 4:15 PM, Anne Etien <anne.etien@univ-lille1.fr> wrote:

Hi,

I can't see how Fame enable to express that a Property in a metamodel is mandatory or not. The isMultivalued property of the FM3PropertyDescription class enables to specify that a property is multivalued or not, but nothing concerning the character mandatory of the property. Saying that in other words, it is possible to specify in a metamodel that the upper multiplicity of a property is '*' but I can't see how to specify the lower multiplicity.

For example considering the metamodel of stateMachine. A State is contained in one and only one StateMachine, whereas a StateMachine can contained 0 or several states. A transition has one and only one State as source and a state can be the source of 0 or several transitions.

Does Fame enable to express this mandatory characteristic?

Expressing such a thing may facilitate some generations. Indeed, when adding a State, we must specify its container but it is not mandatory to specify the transitions for which it is a source.

Thank you in advance for your help.
Anne
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