Re: [higgins-dev] PDPs for context providers

["Tom Doman" <tdoman@xxxxxxxxxx>]

Raj,

Yes, there is.  I don't know how you discovered the IAttributePDPs interface
but the JNDI CP code has example usages of all of the PDPs we've defined in
the Higgins project so far.  Note that those PDPs are implemented only with
JavaScript implementations so far.  In other words, no other policy languages
have yet been implemented.  We'll also want to create additional PDPs in the
future as well but the basic set you'd need are there as exampled in the JNDI
CP as long as you're happy to define your CPs policies in JavaScript.

Tom
 
>>> Rajalakshmi S Iyer <iyer_rajalakshmi@xxxxxxxxxx> 04/30/08 4:39 AM >>> 

Hello,

I am in the process of defining a context provider and need some guidance
with respect to mapping between the provider (my context) and consumer
(IdAS based context provider) IDs, types etc. I have come up with an
ontology for this context provider that derives from the base Higgins
ontology.

As I understand, I will need to implement the IAttributePDPs interface for
my context provider which will do the conversion for attribute names, types
and their values between provider and the consumer.

However, conversion is also required between provider and consumer entity
IDs and entity types. For e.g. a 'Person' in the context provider ontology
could mean an 'ePerson' in the context's schema. Is there an interface to
cover this kind of entity- level policy decisions? If not, is it worthwhile
coming up with one?

Thanks in advance,
Best regards,
Rajalakshmi Iyer

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