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Re: [] RE: [cross-project-issues-dev] Feedback on the europa update site

As an example, the EMF-QTV components are contributed to Europa as a pair of features:

    Eclipse Modeling Framework Data Integrity Frameworks Extender SDK
    Eclipse Modeling Framework Data Integrity Frameworks End-User Features

Both of these comprise, respectively, the SDK and Run-time features of these three distinct components, to roll them into one.

Each component individually has two run-time features, so that the all-in-one run-time Europa feature contains:

       - org.eclipse.emf.query
       - org.eclipse.emf.query.ocl
       - org.eclipse.emf.transaction
       - org.eclipse.emf.workspace
       - org.eclipse.emf.validation
       - org.eclipse.emf.validation.ocl

where nesting shows <include>ed features.  None of these six included features is listed in the Europa site.xml.  If these features had, instead, been prereqed via <requires> at either the feature or plug-in level, then I think it may have been necessary to expose them in the site.xml.

AFAIK, update manager has no problem with multiple features <include>ing the same features, so perhaps <include> can be used more extensively to avoid filling up the site.xml.

Hope that helps to clarify,


Christian W. Damus
Component Lead, Eclipse
IBM Rational Software

"Oberhuber, Martin" <Martin.Oberhuber@xxxxxxxxxxxxx>
Sent by:

06/04/07 12:44 PM

Please respond to
""        <>

"Cross project issues" <cross-project-issues-dev@xxxxxxxxxxx>
Dejan Glozic/Toronto/IBM@IBMCA, "" <>
[] RE: [cross-project-issues-dev]        Feedback on the europa update site

My memory might fool me, but I think that my experience has shown me so far, that
"Select Required" does NOT work for features which are available on the site but not
listed on site.xml . After all, UM would not be able to display a selection for such
features, would it? And, how would it know that these features exist after all? I don't
think it scans the remote directory, I even don't think it would be capable of doing that
through the http: protocol.
I have no time to verify this again now, but I'd recommend Bjorn to wait with changes
to the build system until someone has verified what "Select Required" does.
Perhaps Dejan knows off the top of his head?

Martin Oberhuber
Wind River Systems, Inc.
Target Management Project Lead, DSDP PMC Member


From: cross-project-issues-dev-bounces@xxxxxxxxxxx [mailto:cross-project-issues-dev-bounces@xxxxxxxxxxx] On Behalf Of Jeff McAffer
Monday, June 04, 2007 4:30 PM
Cross project issues
cross-project-issues-dev-bounces@xxxxxxxxxxx; Cross project issues;
Re: [cross-project-issues-dev] Feedback on the europa update site

Note that I said,
       " Of course, there may well be a reality issue blocking this theory...
Please confirm that this all works as described, expected, desired before going off and doing Europa-wide changes.


Bjorn Freeman-Benson <bjorn.freeman-benson@xxxxxxxxxxx>
Sent by: cross-project-issues-dev-bounces@xxxxxxxxxxx

06/04/2007 10:15 AM

Please respond to
Cross project issues <cross-project-issues-dev@xxxxxxxxxxx>

Cross project issues <cross-project-issues-dev@xxxxxxxxxxx>, "" <>
Re: [cross-project-issues-dev] Feedback on the europa update site

Hmm, I learn something new every day... Ok, I will modify the Europa build tool not to require that all features be listed in site.xml. I will send email to the list after I have done that so that any project who wishes to modify their portion of the site.xml may do so. Please do not modify the Europa site.xml until after I have fixed the Europa build tool. Thanks.

Jeff McAffer wrote:

Just to clarify something, to have a feature be available an installable from an update site it does NOT have to be listed in the site.xml.  The site.xml is used to show users what is available for them to select and download.  Depending on the workflow the features that are used by other projects could be put on the Europa site but not in the site.xml.  People should then be able to tell update manager to get the required features as well.  Of course, there may well be a reality issue blocking this theory...

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