Re: [wsrp] navigationParameterDescriptions clarification

[Richard Jacob <richard.jacob@de.ibm.com>]

I agree that this needs clarification.
The whole point about coordination is providing the same value of a given
property/parameter to all parties intersted in it.
The only means for that is the Qname.
In your example if portlets don't intend to share the same value then it's
not a shared nav param, but that's basically it.
We don't have a means in the protocol that allows a "context sensitive"
grouping.

Therefor I would really make even a stronger statement.

Mit freundlichen Gruessen / best regards,

        Richard Jacob
______________________________________________________
IBM Lab Boeblingen, Germany
Dept.8288, WebSphere Portal Server Development
WSRP Team Lead & Technical Lead
WSRP Standardization
Phone: ++49 7031 16-3469  -  Fax: ++49 7031 16-4888
Email: mailto:richard.jacob@de.ibm.com


                                                                           
             Subbu Allamaraju                                              
             <subbu@bea.com>                                               
                                                                        To 
             02/10/06 02:54 PM         OASIS WSRP TC                       
                                       <wsrp@lists.oasis-open.org>         
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                                                                   Subject 
                                       [wsrp]                              
                                       navigationParameterDescriptions     
                                       clarification                       
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           





Regarding the text that describes navigationParameterDescriptions field,
I have a few questions.

1. "Consumers SHOULD supply the same value to Portlets which provide a
navigationParameterDescription referencing the same QName for the
parameter’s name."

Does this imply that if two portlets having the same QName for the name
of the parameter, SHOULD receive the same value barring consumer policy
decisions? Since this is a SHOULD and not a MAY, I would expect most
general purpose consumers to supply the same value as long as the name
matches.

2. "An example of when this might not be appropriate is when the
Portlets are related to the same Producer offered portlet handle. The
context in which the Consumer is using Portlets related to the same
Producer offered portlet handle will determine whether or not such
Portlets will share the same values for their navigation parameters."

The example seems incomplete. Depending on the nature of the parameter,
it might make sense to supply the same value, e.g. a user's last name.
An example where it might not make sense is a stock symbol supplied to a
charting portlet.

Subbu



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