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From Rohit Yadav <>
Subject Re: [DISCUSS]TO and other domain object hierarchy design(s)
Date Wed, 07 Jan 2015 17:35:08 GMT
Hey Daan,

Good points. I've always despised TOs (maybe also because I lack the
understanding of their existence and use), it's confusing to have TOs
when you've VOs to have same set of structural encapsulation they
provide (for example instance/domainrouter/router/cpvm/ssvm related VOs
and TOs). I think of them as unnecessary baggage, like some
anti-pattern. In my ideal world, TOs should not exist; VOs and DAOs are

On Wednesday 07 January 2015 10:05 PM, Daan Hoogland wrote:
> H,
> I had a go at a bug in 4.4 over christmas that was caused by NicTO
> inheriting from NetworkTO. I noticed Kaushik solved this bug in master
> and I think 4.5 so I copied some of his fix to 4.4.3 (thanks Kaushik)
> I think the issue is however in the modelling of the objects. A Nic is
> not a special case of a Network. It is hooked to a network, contained
> in a network or has a network. I am willing to have that semantic
> discussion.
> In the branch bugfix/TO-hierarchy-flatening I am experimenting a bit
> to see what makes sense in the context of the realworld and cloud
> stack.
> I noticed that the TO hierarchy does not match the VO or DAO hierarchies.
> Is there anybody who is having any thoughts on the subject?
> regards

Rohit Yadav
Software Architect, ShapeBlue
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