On 20 Feb 2006, at 11:04, [EMAIL PROTECTED] wrote:
From: "Noel J. Bergman" <[EMAIL PROTECTED]>
Date: 18 February 2006 06:12:10 GMT
Subject: RE: Ode / BPEL Donation of BPEL 2.0 Engine
Considering that people have expressed the clear desire to develop
joint
work, an umbrella-style project housing multiple implementations of
the same
domain, although probably workable for a period while the
community's active
focus is on the joint solution, if persisted into the long term
usually
leads to a balkanized project that breaks up.
If the project has to split up into some different pieces thats fine
too. There's no reason why there has to be just one engine for all
our orchestration/BPEL/workflow needs. But if we can end up with just
one, hey thats great.
The ASF has, as I noted on general@, no need to deal with independent
releases of the vendor products. For that matter, we couldn't care
less
about anyone's delivery schedules. Our releases occur when
determined by
our PMCs. Vendors may have their own schedules, but our focus is
building
an ASF project. If someone wants to do a release on their
schedule, they
are free to pull source code and use it in accordance with our
license.
James mentioned that ServiceMix has some needs to work with
Sybase's code.
I am sure that no one, *especially James*, wants anyone to have the
impression that ServiceMix is trying to co-opt the direction of this
separate project.
Agreed - particularly as we've been working with PXE for over 6
months...
The Sybase code will be available for anyone, including
ServiceMix, to use as necessary, so you should feel free to pursue
whatever
direction is jointly chosen by this community.
Agreed.
I'm now taking off my Ode hat and putting on my ServiceMix hat just
to make things completely 100% explicit so you can understand exactly
where I've been coming from since I've been raising my little red
flag...
Lets assume that the Sybase code is imported into Ode (I'll call it
Foo from now on) and the PXE code is imported (lets call that Bar);
so Foo and Bar are both Ode code bases in the org.apache.ode
namespace, anyone can use them at Apache and they have nothing to do
with vendors releases etc. The first day they are imported Foo and
Bar will not reuse any of each others code; then over time we figure
out how to refactor Foo and Bar to reuse code etc.
Now with just my ServiceMix hat on, I don't really mind if Foo and
Bar merge together 0%, 10%, 50% or 100%. So whether or not Foo and
Bar completely merge doesn't really interest me a whole lot right now
- I'm totally happy if further down the road we decide that Foo and
Bar should not be completely merged and instead focus on what can be
shared.
Now as soon as Foo arrives at Apache we'll be using it in ServiceMix
and contributing patches to ease the integration and fix any issues
we find. We've been using PXE for over 6 months & currently use a
slightly old version of PXE. We tried to use the latest greatest and
found some problems. So the very day that Bar is checked into Apache
we will immediately move from PXE to Bar and work on the code to make
sure it works inside ServiceMix which will probably result in some
patches for Bar.
So before the real meat of the unification gets done on Ode, we'll be
working on both the Foo and Bar codebases and providing an
integration test to both libraries and their integration with JBI.
This integration test will be useful as the unification process takes
place - plus there's no better way of providing input on 2 codebases
than by using them both :)
The little red flag I've been waving lately - which in the grand
scheme of things is no big deal - is purely that as an end user of
both Foo and Bar, I'm going to want milestone releases of Foo and Bar
fairly soon, plus at significant points of the unification. Up to now
an incubating podling tends to just have 1 release; whereas I think
it makes sense for the Ode project to support multiple releases of
Foo and Bar while we go on the unification journey and see where we
end up.
BTW Dims, please don't see this little wave of a red flag as me being
negative; I'm really excited by the Ode project and am sure its gonna
be a great success - I just want the project to start on the right
footing so we don't end up with unnecessary friction or worse,
another Avalon.
James
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http://radio.weblogs.com/0112098/
