Hui Onn Tan [http://community.jboss.org/people/huionn] created the discussion

"API Migration from jBPM 3 to jBPM 5"

To view the discussion, visit: http://community.jboss.org/message/625858#625858

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Hi,
Now I am developing a case management system using Nuxeo Case Management 
Framework. However, its task management and workflow are quite restrictive.
I would like to make the system more adaptive by integrating with jBPM5 
(processes + rules + events).

In Nuxeo EP, there is jBPM 3 integration with service APIs to encapsulate jBPM3 
APIs. My plan is to follow the existing service APIs as much as possible and 
replace the implementation with jBPM 5. Technically speaking, it is actually 
not a migration but new integration because jBPM3 related codes will still 
remain as is.

My questions:
1. I have read about "jBPM5 migration tool project". Is this project already 
capable of "to map jBPM3 API usage to jBPM5 API usage"?

2. If I have to do it manually, are there any general guideline in doing so? 

3. For example, org.jbpm.graph.exe.ProcessInstance API is different with 
org.jbpm.workflow.instance.WorkflowProcessInstance. In order to get some 
attributes like processInstance.getStart() and processInstance.getEnd(), I have 
to use org.drools.event.process.ProcessEventListener to set the values into 
workflowProcessInstance's variables (WorkflowProcessInstance.setVariable)?

I am not familiar with jBPM API. Please correct me if I am wrong.

Thanks.
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