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From Brett Porter <br...@apache.org>
Subject Re: [Discuss] Workflow engine
Date Wed, 02 Apr 2008 03:08:10 GMT
OSWorkflow seems one of the better choices for what we are looking for.

ODE might be interesting if the things being orchestrated were  
intended to be remotable services.

- Brett

On 23/03/2008, at 10:40 PM, Rahul Thakur wrote:

>
> I am inclined to "+1" something comprehensively documented and used.
>
> I imagine the workflow compositions to be done by the user and be  
> exposed as service for invocation/monitoring/management. A WF engine  
> based on petri nets would be neat. Also, I think it might be a  
> better idea to persist the WF definitions to an underlying store (DB).
>
> Rahul
>
>
> Emmanuel Venisse wrote:
>> For the moment, I'm -0 for plexus-spe, probably because I don't  
>> know one
>> project that use it and we don't have a documentation about it.
>>
>> For next versions of Continuum, I'd like we use external tools  
>> known by
>> users so it will be more easy to grow our community.
>> An other point before to choose a tool is to define what will be  
>> the role of
>> the workflow in the core. Will it be use only in one Continuum node  
>> or will
>> can be explode worflow steps on each node when Continuum will be  
>> used with
>> the distributed mode.
>>
>> Emmanuel
>>
>> On Thu, Mar 20, 2008 at 6:13 PM, Jesse McConnell<jesse.mcconnell@gmail.com 
>> >
>> wrote:
>>
>>
>>> well, no need to do anything from scratch with the plexus-spe  
>>> stuff, think
>>> trygve has used it in a few places.
>>>
>>> jesse
>>>
>>> On Wed, Mar 19, 2008 at 9:38 PM, Rahul Thakur<rahul.thakur.xdev@gmail.com
>>>
>>> wrote:
>>>
>>>
>>>> Yeah, my idea was to refactor and wrap up current tasks/actions  
>>>> in the
>>>> build controller into a workflow and get that to work first.
>>>>
>>>> There are other possibilities, of course, having user defined build
>>>> workflows and ability to invoke them remotely.
>>>>
>>>> Any suggestions for a WF engine? I am not sure if implementing
>>>> something from scratch is a good idea.
>>>>
>>>> Cheers,
>>>> Rahul
>>>>
>>>>
>>>> On Wed, Mar 19, 2008 at 5:26 AM, Jesse McConnell
>>>> <jesse.mcconnell@gmail.com>  wrote:
>>>>
>>>>> probably a good idea to bring this up now
>>>>>
>>>>> originally I think the idea was to implement workflow with the
>>>>>
>>>> plexus-spe
>>>>
>>>>> component which is in the plexus sandbox but that is up for  
>>>>> debate, or
>>>>> whoever takes the bull by the horns and started implementing. :)
>>>>>
>>>>> cheers!
>>>>> jesse
>>>>>
>>>>> On Mon, Mar 17, 2008 at 9:03 PM, Rahul Thakur<
>>>>>
>>>> rahul.thakur.xdev@gmail.com>
>>>>
>>>>> wrote:
>>>>>
>>>>>
>>>>>
>>>>>> I found this:
>>>>>> http://java-source.net/open-source/workflow-engines
>>>>>>
>>>>>>
>>>>>> Rahul Thakur wrote:
>>>>>>
>>>>>>> Hello everyone!
>>>>>>>
>>>>>>> As a part of architecture rework and having a workflow engine
at
>>>>>>>
>>> the
>>>
>>>>>>> heart of Continuum, we need to decide on a Workflow engine
>>>>>>> implementation that we can use.
>>>>>>>
>>>>>>> Does anyone know any WF engines to put forth as candidates (+
>>>>>>>
>>>> features
>>>>
>>>>>>> provided, how we can leverage them for Continuum... etc)
>>>>>>>
>>>>>>> Thoughts?
>>>>>>>
>>>>>>> Cheers,
>>>>>>> Rahul
>>>>>>>
>>>>>>>
>>>>>
>>>>> --
>>>>> jesse mcconnell
>>>>> jesse.mcconnell@gmail.com
>>>>>
>>>>>
>>>
>>> --
>>> jesse mcconnell
>>> jesse.mcconnell@gmail.com
>>>
>>>
>>
>>
>
>
>

--
Brett Porter
brett@apache.org
http://blogs.exist.com/bporter/


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