[Zope3-dev] Re: Services interfaces should not include mutators

[Gary Poster]

Steve Alexander wrote:
>>> I suggest that the listSubscriptions method takes the subscriber as 
>>> an optional argument also, so that you can use it to list all 
>>> subscriptions.
>>
>> You think?  I thought about it a while back and couldn't come up with 
>> a compelling use case, so didn't bother worrying about it.  Do you 
>> have any?
> 
> If it returns a sequence of subscriptions, you can ask about its length, 
> and you can show it somehow in the management interface, much as is done 
> for adapter factories registered with the adapters service.

OK.  I can see some other ways forward on this also.  For now, I'm going 
to focus on the other changes, but we can address this later, maybe even 
before the alpha.

Gary