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

[Mark Proctor]

Umesh Wankhede wrote:
>
>
> 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.
>>
>> 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.
> The primary language would be RuleFlow or jPDL, but we are also 
> looking at BPEL support (product requirements driven). So we have to 
> make a choice between  jBPM or Drools 5.0. The latter option looks 
> more suitable for our requirement which provides tightly integrated 
> rule support, but lack of BPEL support currently is  making the 
> decision tougher.
If you are going to choose a BPEL product, make sure you choose one that 
supports BPEL 2.0, or you'll be shooting yourself in the foot, Apache 
ODE is the more complete BPEL 2.0 engine.
>>>>>
>>>>> Thanks
>>>>> Umesh
>>>>>
>>>>>
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