[jboss-jira] [JBoss JIRA] Commented: (JBPM-165) process instance versioning

[Syed Arshad (JIRA)]

    [ http://jira.jboss.com/jira/browse/JBPM-165?page=comments#action_12347277 ] 
            
Syed Arshad commented on JBPM-165:
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Thanks for changing the priority of this item, we are looking forward for the release of this feature ASAP.

Also, in case there is no immediate plan to release this feature, probably I can start some work on this as discussed in the forum:
 
http://www.jboss.com/index.html?module=bb&op=viewtopic&t=74618&postdays=0&postorder=asc&start=10
 
where you also commented about a possible implementation.
 
If this is fine, I can send you design spec about this implementation and if it is convincing to you then I can go and implement?


> process instance versioning
> ---------------------------
>
>                 Key: JBPM-165
>                 URL: http://jira.jboss.com/jira/browse/JBPM-165
>             Project: JBoss jBPM
>          Issue Type: Feature Request
>          Components: Core Engine
>            Reporter: Tom Baeyens
>         Assigned To: Tom Baeyens
>
> i think jbpm could offer some degree of assistence in process instance versioning.  
> when a new version of a process is deployed, jbpm could do the following conversion for a process instance : 
> * input required: mapping of the nodes from the old to the new definition.
> * cancel the old process instance
> * create a new process instance and copy the runtime (exe) information such as tokens and process variables from the old process instance.  
> * then establish a special link between the 2 process instances to indicate that the new process instance is the continuation of the old process instance.
> this way we can avoid the problematic conversion of logs, while still keeping them in the system.

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