On Oct 21, 2004, at 11:48 AM, Matthieu Riou wrote:
I proposed to combine Twister into Agila to avoid overlapping. I thought the main goal of Agila was to develop a BPEL engine. Now if you think it's more appropriate, I wouldn't mind contributing Twister as itself.
The goal is to do BPM, not specifically BPEL. BPEL support is certainly welcome, but should be a part of the overall project, not the dominant focus. There's more to BPM than BPEL :)
A workflow engine and a web service orchestration engine have a bit of overlap but are usually used in different use cases, architecture and offer different features. So if Agila is meant as a workflow engine more than a web service orchestration solution, it may make sense to have two separate projects.
What do everybody else think? Geir?
I think that bringing the two concepts together - workflow and WS orchestration - would be a great goal :)
geir
On Thu, 21 Oct 2004 18:59:31 +0900, 홍의진 Uijin Hong <[EMAIL PROTECTED]> wrote:Here is another '+1' for having a BPEL engine inside Apache domain. BTW, is it legitimately possible to combine Twister(which is not proposed and review by Apache PMC) into Agila? How about proposing contribution of Twsiter as itself?
On Wed, 20 Oct 2004 15:24:23 -0500, Aleksander Slominski
<[EMAIL PROTECTED]> wrote:Sanjiva Weerawarana wrote:
i think Mathieu is already aware of this but current WSIF needs upgrade ...+1 for merging in BPEL support using Twister.
Geir, I'd like to understand the BPEL plans for Agila a bit more. I'm a co-author of the BPEL spec and have done an impl of it in IBM (BPWS4J- which was released via alphaworks a while back). My intuition is that a solid impl of BPEL needs to work very closely with the Web service layer. AFAIK there hasn't been that kind of interaction between Agila and the Axis community yet. Dims and I can easily support/facilitate that!
Matthieu- how does Twister do its SOAP, WSDL etc. stuff? Do you support non-SOAP bindings? (BPWS4J used WSIF, for example.)
http://smartcomps.kgbinternet.com/confluence/display/twister/2004/ 08/13/WSIF+and+adding+bindings+to+WSDL
alek
----- Original Message ----- From: "Geir Magnusson Jr" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, October 20, 2004 7:20 PM Subject: Re: Proposition: Twister WS-BPEL engine and Apache Agila
This is great. We're really interested in getting BPEL into Agila. I'll take a look.
We originally decided to not go w/ BPEL as the core language, as we
wanted to support all kinds of activities in a workflow, being able to
make a workflow that mixes them. So it was planned that we'd get BPEL
support, and allow you to incorporate BPEL into a regular Agila
workflow using a namespace or something. Of course, we can decide if
we want to change that plan here, but I think there are some compelling
arguments for that kind of approach...
geir
On Oct 20, 2004, at 5:52 AM, Matthieu Riou wrote:
Hello,
I'm the project leader of Twister, an open source WS-BPEL engine. More
can be found about Twister here:
http://www.smartcomps.org/twister
I'm sending this e-mail to suggest a donation of Twister to the Apache
Group and a merge with the incubated Apache Agila project. I believe
that Twister and the Gluecode engine could be assembled to a better
solution, using the strengths of both implementations. This would also
be beneficial for the BPM Open Source community and would bring more
users and contributors to Agila.
Regards,
Matthieu Riou
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