Re: ISSUE-23 (ContextKeyList): identify method provides only one key or a list of keys? [DDR API Recommendation]

I think that option a) is cleaner and safer

Mobile Web Initiative Device Description Working Group Issue Tracker 
escribió:
> ISSUE-23 (ContextKeyList): identify method provides only one key or a list of keys?  [DDR API Recommendation]
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> http://www.w3.org/2005/MWI/DDWG/Group/track/issues/
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> Raised by: Jose Manuel Cantera Fonseca
> On product: DDR API Recommendation
>
> There could be some cases where the same set of HTTP Headers can be identified as different contexts i.e. more than one device / browser can correspond to that set of headers. So in that case what will be the mechanism used by the API for managing that uncertainty:
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> a) Return multiple keys to the caller:
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> ContextKeyList list = identifyByHttpHeadersExt(HttpHeaders headers);
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> The key list could be ordered from the most likely to the less. 
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> b) Return a single key to the caller and that key will manage the uncertainty:
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> ContextKey key = identifyByHttpHeaders(HttpHeaders headers);
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> The implications from the rest of the DDR-API are the following
>
> In option a) it is impossible that 
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> DDR.getPropertyValue(Property,Component) return multiple values because each key is representing only "one context"
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> If we go for option b) one key will be representing potentially multiple contexts and the former method could also return a set 
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Received on Monday, 19 November 2007 16:17:43 UTC