[ http://issues.apache.org/jira/browse/GERONIMO-957?page=all ]
David Blevins reassigned GERONIMO-957:
--------------------------------------
Assign To: David Jencks
> Add version numbers to Geronimo schemas
> ---------------------------------------
>
> Key: GERONIMO-957
> URL: http://issues.apache.org/jira/browse/GERONIMO-957
> Project: Geronimo
> Type: Improvement
> Components: deployment
> Versions: 1.0-M4
> Reporter: Aaron Mulder
> Assignee: David Jencks
> Fix For: 1.0-M5
>
> The Geronimo & OpenEJB schemas currently have no version number in the
> namespace or the file name. This means that when we have multiple versions
> of Geronimo,
> * It will not be possible to store schemas from different versions in the
> same directory (e.g. to include new and old formats in the schemas/ dir or
> post them all at a web URL)
> * It will also not be possible to tell from reading a schema what version it
> applies to (unless perhaps we do this with comments?)
> * When writing an application plan, it won't be possible to indicate which
> version of the Geronimo schemas it complies with
> * When Geronimo is parsing a plan, it won't know if the plan was written to
> a current or older version of the schemas
> At a minimum, I'd like to add a version number to the schema file name.
> However, the greatest advantage is in adding it to the namespace as well.
> An alternative is to take the J2EE approach of leaving the namespace the same
> and adding a "version" attribute to the top-level element in every file.
> However, that seems less attractive to me since we have so many schema
> imports (security, naming, etc.) and it would be unfortunate to need to
> repeat the version on every ejb-ref tag and so on, or to automatically assume
> that all the imports follow the same version as the containing schema
> (especially for something like OpenEJB which is on a different version track
> than Geronimo).
> If we defer adding a version in any way for v1.0, I think we'll end up
> wanting to do it later, and it doesn't seem too nice to have "unversioned"
> mean "1.0" when all subsequent releases are versioned.
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