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From Geir Magnusson Jr <g...@pobox.com>
Subject Re: Apache project as a JSR reference implementation
Date Mon, 16 Jan 2006 11:17:27 GMT

Steve Loughran wrote:
> Geir Magnusson Jr wrote:
>> Jukka Zitting wrote:
>>> Hi,
>>> I'm a committer of the incubating Apache Jackrabbit project that was
>>> used as the reference implementation of the JSR 170 (Content
>>> Repository for the Java Technology API). A second version of the API
>>> is currently being specified by JSR 283 and there is interest to keep
>>> using Jackrabbit as the reference implementation also for JSR 283.
>> Sounds good.
>>> Currently most of the active Jackrabbit committers (me included) are
>>> members of the JSR 283 expert group, so I there shouldn't be many
>>> problems doing this in practice, but I'm a bit concerned about how
>>> this will affect the project as the community evolves. How should we
>>> communicate design decisions based on API details not yet published by
>>> the expert group?
>> Well, if you guys can control the EG, I'd propose that you work 
>> entirely in public, just like an Apache (or other community-oriented 
>> open source project does).
>> For example, you might offer to have the Jackrabbit project 'host' the 
>> EG's work, add a separate, public mailing list for the expert group 
>> traffic, and a part of your SVN for their work.   I suggest a separate 
>> list only to keep clear what is normal jackrabbit developer traffic, 
>> and what is the EG traffic.
> Public is good, under gump is good too.
> I would go for
> 1-a separate SCM repository for spec: api+test cases that is decoupled 
> from any implementation, so that all of the spec team can have commit 
> access to the spec repository.
> 2-a junit based testrunner that can run test suites against any 
> implementation that implements the right factory interface.
> 3-test-centric API/spec
> I've got the first two up and running on sourceforge for our deployment 
> project, http://sourceforge.net/projects/deployment
> if you grab everything from CVS you can find the abuse of Junit that 
> lets me take a manifest of XML files and turn each document into a test 
> case. We have two open source API impls, and one closed source one all 
> sharing the same test runner, so it will be easy to compare the results.
> The big barriers to (3) are ignorance of the value of testing amongst 
> some of the spec team (its hard to work with a team leader who believes 
> we should focus on implementation ahead of testing), and not enough 
> experience among team members about how to write good tests. 
> Interestingly, it is the OSS projects that are better at this than 
> anyone else.


Let us know how things go.  It sounds like you're going to have some 
trouble with some of the members of the EG.  I sent a note to David 
inviting him to join us - I suppose we wait to see what he says.


> -steve

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