aggregation and states



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From: Jonathan N. D. Whittle (jonathw@ptolemy.arc.nasa.gov)
Date: Thu 30 May 2002 - 01:24:47 BST


Is there any work out there on how aggregations constrain behavioral states? 
E.g., if classes A1 and A2 are part of class B, do the states of class B 
necessarily contain those of A1 and A2 (e.g., by using orthogonality in a 
statechart for B)? I know of work in this direction for inheritance of course, 
but I haven't seen anything for aggregations.

Thanks,

Jon

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