[Zope3-dev] Adapters & Interface Implementations (was Re: [Zope-dev] Cool stuff!)

[Martijn Faassen]

Phillip J. Eby wrote:
[snip]
> As for "Adapter" being the wrong GoF patterns term, I'm pretty sure it's 
> not.  I've got the "Design Patterns" book open to "Adapter" right now, and 
> the Applicability section says:
[snip]
> So I don't see where calling these things adapters conflicts with the GoF 
> patterns usage at all.

Thanks for looking this up, agreed.

> What I propose, then, is that the documentation (and API naming) focus on 
> getting an implementation of an interface, and that the term for an adapted 
> interface be "adapter".  So a description of 
> getImplementation(object,interface,default) might read:
> 
> "Get an implementation of Interface 'interface' for 'object'.  If 'object' 
> supports 'interface' directly, 'object' is returned.  Otherwise, creates 
> and returns an adapter object that implements 'interface' for 'object', if 
> an appropriate adapter type can be found.  If no such adapter type can be 
> found, returns 'default'.  Adapter types are found by blah blah... placeful 
> lookups blah blah... registry etc...."

At first sight this looks good as well.

Regards,

Martijn