Re: [higgins-dev] [IdAS] new methods doc

[Greg Byrd <gbyrd@xxxxxxxx>]

Yes, I should have put isOpenable on the Context, not the ContextFactory.

So, isCreatable(ContextRef) would be TRUE if the ContextFactory knows 
how to resolve the URI to a data source, and if it can determine that 
the underlying datatype is one that it can interpret.  Does that seem 
correct?

Actually, wouldn't it be just as simple to just throw an exception on 
createContext(ContextRef) if it can't resolve or support the data 
format?  I don't know why someone would call isCreatable unless they 
were planning to create, and checking first would cause the factory to 
do the resolution and format checking twice (once for the test, once for 
the creation). 

...Greg



Jim Sermersheim wrote:
> Question on IContextFactory.isOpenable(contextRef, identity)
>  
> I remember having the discussion where we thought it would be good to 
> allow the identity to be passed to a function which tests whether a 
> context is currently open with a specified identity. I don't remember 
> us talking about passing the identity to isOpenable here though.
>  
> Actually, with the changes, I expected this method to be called 
> isCreatable(contextRef). Since the role of opening is on IContext now, 
> the factory can't know whether it's openable given a specified identity.
>  
> Jim
>
> >>> Greg Byrd <gbyrd@xxxxxxxx> 7/27/06 3:33 PM >>>
>
> I modified the list of IdAS methods (Working Draft 0.4) and uploaded it
> to the IdAS wiki page.  I will continue to make edits to the page over
> the next few days.  I believe this incorporates today's discussion, as
> well as other smaller changes to the API from the last few weeks.  As
> always, feel free to question and critique.
>
> http://spwiki.editme.com/IdentityAttributeService
>
> ...Greg
>
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