[jbpm-dev] Simplifying Oryx Designer using resolution of global variable and parameter mapping at runtime

Thu Aug 16 07:11:15 EDT 2012

Agreed, Designer already supports transformations to do what you are 
asking for, but the data editors should allow users to use this feature 
better. Will look at it.

Thanks
On 8/16/12 7:06 AM, Mauricio Salatino wrote:
> Just a quick comment about mapping data,
> I think that we need a specialized component to do that, because is a 
> cross cutting concern.
> No matter if we are mapping task inputs and task outputs or a form 
> field, we need a graphical mapping component to take care of that.
>
> We need a graphical way to do something like
>
> Input: Person -----> Person.name ---- <mapped to> ----> name
>
> and the other way around
>
> Output Person.name <----<mapped to>--- name
>
>
>
> On Thu, Aug 16, 2012 at 11:20 AM, Tihomir Surdilovic 
> <tsurdilo at redhat.com <mailto:tsurdilo at redhat.com>> wrote:
>
>     There are a number of ideas floating around on this - and yes data
>     mapping within a BPMN2 process is probably now one of the hardest
>     things to set up and maintain.
>
>     a) Have ability to map data outputs of a task to data inputs of
>     the connected tasks(s) with a single button click
>     b) Ability to visualize the data flow of the process
>     c) Notifications of dependency errors when users decide to remove
>     a process var, globals, imports, etc
>     d) Ability to "copy" existing data elements such as
>     variables/globals/imports/etc from an already existing process or
>     a process template..this has been asked in the community already
>     and we are looking at it.
>
>     jBPM follows the BPMN2 specification for data setup and mapping
>     closely which is a good thing as it does not introduce any
>     wrappers around it (you might see other tools use extensions
>     elements for this heavily). I don't think writing wrappers is a
>     good idea, however making working with data as simple and
>     intuitive as possible for users is very important so any
>     ideas/thoughts/contributions are very welcome :)
>
>     Jean-Jacques, If you want to jump on IRC and I'd be happy to talk
>     to you in detail about all of this as well.
>
>     Thanks.
>     Tihomir
>
>     On 8/16/12 3:38 AM, Esteban Aliverti wrote:
>>     The problem is that BPMN2 specification requires the variables to
>>     be defined.
>>     What you will need to do is to modify Designer to automatically
>>     create the required variables according to the IO specification
>>     of the tasks you have. Unfortunately this is not as easy as it
>>     sounds ;).
>>     Designer keeps a representation of the process in JSON format.
>>     That JSON is then converted into BPMN2 when it is saved. When you
>>     open a process Designer first converts it from BPMN2 to JSNO back
>>     again.
>>     You will need to tweak the Marshalling/Unmarshalling process..
>>     The classes in charge of this are:
>>      org/jbpm/designer/bpmn2/impl/Bpmn2JsonMarshaller.java and
>>     java/org/jbpm/designer/bpmn2/impl/Bpmn2JsonUnmarshaller.java
>>
>>     @Tiho, do you see a better solution?
>>
>>     Best Regards,
>>
>>     XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
>>
>>     Esteban Aliverti
>>     - Blog @ http://ilesteban.wordpress.com
>>
>>
>>     On Thu, Aug 16, 2012 at 5:10 AM, Jean-Jacques Borie
>>     <jean-jacques.borie at bluebe.com
>>     <mailto:jean-jacques.borie at bluebe.com>> wrote:
>>
>>         I need to add that we plan to use work item definition file
>>         to declare parameters of work item and we don't want to do it
>>         again on the workflow.
>>
>>         Jean-Jacques
>>
>>
>>         On Thu, Aug 16, 2012 at 10:06 AM, Jean-Jacques Borie
>>         <jean-jacques.borie at bluebe.com
>>         <mailto:jean-jacques.borie at bluebe.com>> wrote:
>>
>>             Hello,
>>
>>             I want to simplify Oryx designer in order to don't have
>>             to map every variables with input/output of task.
>>
>>             I want to remove the need of declaring global variable
>>             and the mapping with parameter of task.
>>
>>             When you have lots of workflow, it's start to be very
>>             annoying.
>>
>>             I'm thinking of moving this declaration of mapping to do
>>             it at runtime.
>>
>>             Like having a spring configuration file to declare all
>>             variables needed for a series of workflow.
>>
>>             And next do the mapping of variable by IOC with work item
>>             or something like that.
>>
>>             I want to keep the scope variable between process and
>>             work item.
>>
>>             I want to make easier the work of people doing the
>>             workflow in order to give the tool for non developer.
>>
>>             Any idea ?
>>
>>             Thanks
>>             Jean-Jacques Borie
>>
>>
>>
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>>
>>
>>
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> -- 
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>  - Co-Founder @ http://www.jugargentina.org
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>  - Salatino "Salaboy" Mauricio -
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