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Subject: A few questions regarding the current semantics doc
I have a few questions regarding the current eventing
semantics document. These are all items which have been discussed before
I joined the TC, so I apologize if I'm simply missing information which has
already been presented. 1. The data use case written up by Mike has been translated
into goal 4 of the document. The goal states that the data use case only
applies to the initial state of the portlet. It's not clear to me,
though, why this limitation has been set. Consider the following example: There are several portlets on a page which comprise a
composite application to share company sales information. One portlet
contains a set of links for all of the sales regions in the company. When
a user selects a sales region in this portlet, the rest of the portlets on the
page display some specific information about the selected sales region. Though I agree that this example can be implemented using
the current eventing framework, I don't feel that it can be done in an ideal
fashion. It would require a pbia() call when selecting a sales region and
additional calls for each portlet to distribute the resulting event. This
is a lot of overhead, considering all that’s needed is to pass a sales
region id to all of the portlets on the page. This seems like a common
portlet coordination use case which should, ideally, be handled in an efficient
manner. Do others agree? Does it, therefore, make sense to expand
goal 4 beyond just the initial state of the portlet? Or, am I incorrectly
interpreting the term, "initial state"? 2. Besides the use case presented by Mike, are there
any other documented use cases which are being used as input to the document?
The other URL listed seems to describe a general business scenario rather than
concrete portlet coordination use cases. 3. What are the use cases for returning a new Portlet
Mode and 4. What happens when two portlets return the Maximized
window state? Does section 3.2.3 come into play here? Is it up to
the portal to decide? This issue seems similar to the redirectURL problem
discussed last week. Thanks for the information. Scott |
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