[Zope3-dev] Re: Containment constraints

[Jim Fulton]

Jim Fulton wrote:

..

> It might be useful to abstract the containment constraints into some
> separate specification and registry. This would allow the constraints
> to be shared among adding, copying and moving. Possibly, it would be
> simpler to express abstract constraints than to write constraining
> code in the various adapters.  We would need to come up with some ways
> to express these constraints.

If we go down this route, which I think we will, the constraint specifications
should include permissions.  That is, you should be able to say that you need
such and such a permission have such and such an object in such and such a
container.

Jim

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