[rules-users] Drools flow and BPEL (Drools 5.0.0.M5)

Umesh Wankhede umesh.wankhede at arisglobal.co.in
Tue Mar 10 03:01:56 EDT 2009



Mark Proctor wrote:
> Umesh Wankhede wrote:
>>
>>
>> Mark Proctor wrote:
>>> Umesh Wankhede wrote:
>>>> Hi
>>>>
>>>> I am trying to evaluate various features (rules and workflow) of 
>>>> Drools 5.0. What I understand from docs (drools-docs-flow.pdf - 
>>>> page 5) is that the Drools flow engine is based on generic process 
>>>> engine that allows the execution of different process languages 
>>>> like RuleFlow, BPEL, OSWorkflow, etc. Although I am able to do PoC 
>>>> (Proof of Concept) with RuleFlow, there isn't any 
>>>> documentation/samples available for using BPEL as process language. 
>>>> Also I don't find any more information on blogs, etc.
>>>> If anyone has done something similar, please let me know, or any 
>>>> pointers would help.
>>> There is no BPEL product, Drools COULD do BPEL, but we haven't made 
>>> it do so yet. It is more likely we would look to integrate an 
>>> existing BPEL product like ODE, as the execution engine is the easy 
>>> bit, it's all the xml manipulations that are time consuming.
>> So that means I would have to go with jBPM for BPEL support (and 
>> losing the advantage of tight rule engine integration provided in 
>> Drools). How far would be the BPEL support in Drools in the roadmap?
> If you are going to use BPEL I would recommend ODE, jBPM BPEL is not 
> BPEL 2.0, but 1.0, which is very limited. ODE is likely to be the BPEL 
> engine we integrated into Drools.
But it seems to support 2.0, see - http://www.jboss.org/jbossjbpm/bpel/
>
> More importantly though, have a good think on why it is you are using 
> BPEL, as in reality it's generally too low level for end users to use 
> effectively.
>>>>
>>>> Thanks
>>>> Umesh
>>>>
>>>>
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