[Andromda-user] [Modeling Patterns] [Modeling Value Objects] Modeling Value Objects

[pdelaney (A. F. <fo...@an...>]

Hello

I am having difficulty modeling a Value Object (VO) say VO_B that contains a Collection of VO_B.  My point of reference on VO is the TimeTracker tutorial:  http://galaxy.andromda.org/index.php?option=com_content&task=view&id=135&Itemid=89

I have a Entity bean called ProxyRequest than contains one or more ProxyReferralItem Entity beans.  So there are two tables that are joined by a foreign key relationship.

Now my ProxyRequest Entity object has a ProxyRequestVO and my ProxyReferral object also has a corresponding ProxyReferralVO object along with the ProxyRequestVO[] and ProxyReferralVO[].  Just like the TimeTracket tutorial specifies.

What I want to do is return to my client, a JSF page, a ProxyRequestVO object that contains a Collection of ProxyReferralVO objects.

I put a containment relationship on my ProxyRequestVO to my ProxyReferralVO in the MagicDraw model and a method shows up on my ProxyRequestVO.getProxyReferralItemVOs().   

My Question is:
How does this get populated?  I was expecting this to be populated when I called my Service to retrieve a ProxyRequestVO, but the Collection of ProxyReferralVO is empty.  

I could populate this myself, but would rather not!

Any help would be appreciated.

Thanks
Peter
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