Re: Re: Sharing Aggregate Roots between Bounded Contexts

Paul Rayner <[email protected]>
Newsgroups gmane.comp.programming.domain-driven-design
Message-ID <CAKKp0qjsD-=BV05q+YN_U1Zg6cdCKs8mKA=jp=CSfZU=ezEb1Q@mail.gmail.com>
On Sun, May 26, 2013 at 5:29 PM, wonderfulworldofpingpong <
[email protected]> wrote:

> **
>
>
> Thanks Paul.
>
> So, even though it causes code duplication but it is required that two BCs
> need to have it's own aggregates else it needs to be in a shared kernel. Am
> I right?
>
Right. Bounded contexts have different models. There is nothing to share,
concept-wise. Start with the model. I get the sense you are thinking
implementation-only.

And avoid shared kernels, if you can.

>
> Is it okay to share the implementation of a repository?
>
Generally, no. Why would you want to do this, since it would couple two
bounded contexts tightly together? I would need to see an example.

>
>
> --- In [email protected], Paul Rayner <paul@...> wrote:
> >
> > Not ok. There is one exception, which is Shared Kernel.
> >
> > On Sun, May 26, 2013 at 5:13 AM, wonderfulworldofpingpong <
> > varghese.pallathu@...> wrote:
> >
> > > **
>
> > >
> > >
> > > Is it okay to share Aggregate roots between bounded contexts? For
> example,
> > > a 'contact' aggregate root shared between two BCs like Project
> Management
> > > and Contact Management?
> > >
> > > When an aggregate root is shared between Bounded Contexts, the
> repository
> > > also can be shared.
> > >
> > > Is this domains corruption or is it within DDD best practice?
> > >
> > >
> > >
> >
>
>  
>
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