Guvnor already has that: SuggestionCompletionEngine.java 

@Jean, doing what you need in client-side sounds more complicated to me than doing it server-side. 

Best Regards,

XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Esteban Aliverti
- Blog @ http://ilesteban.wordpress.com


On Thu, Aug 16, 2012 at 2:43 PM, Mauricio Salatino <salaboy@gmail.com> wrote:
We can start defining how it should work.. and then as soon as I have a weekend off I can start working on it :)
Cheers


On Thu, Aug 16, 2012 at 1:31 PM, Tihomir Surdilovic <tsurdilo@redhat.com> wrote:
Sounds good, so I guess a generic tool that can help resolve the fact models across rules/processes.
The UI can then utilize this tool when needed.

When you gonna work on that? :)

Thanks.

On 8/16/12 7:52 AM, Mauricio Salatino wrote:
It can be used for every data mapping that we need to do, for example to map the Person fields (age, name, address) to different fields in a form. 

This is not about using expressions to resolve values at runtime, you can consider a data mapper a tool to create those expressions based on the data available. This kind of tools can be also used for Rules as well, so the process designer is just one component that can use that. 

The idea is 
1) recognize that we have a Person (Person object and person input to the task for example)
2) look for its fields (age, name, address)
3) look for the already defined variables in the scope where we want to map things  (name inside the task scope)

Cheers



On Thu, Aug 16, 2012 at 12:39 PM, Tihomir Surdilovic <tsurdilo@redhat.com> wrote:
Transformation expressions are part of the BPMN2 specification. For example Person.name assignment would have a transformation expression defined which evaluates this expression and its result is copied to the target reference.

Can't think right now why it would be useful to have data association abilities as stand-alone outside of the process modelling environment but maybe I don't understand what you mean.

Thanks.



On 8/16/12 7:12 AM, Mauricio Salatino wrote:
And we should think about having a component that can be used outside the process designer as well.

When you say transformations what do you mean? 


On Thu, Aug 16, 2012 at 12:11 PM, Tihomir Surdilovic <tsurdilo@redhat.com> wrote:
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@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@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@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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--
 - MyJourney @ http://salaboy.wordpress.com
 - Co-Founder @ http://www.jugargentina.org
 - Co-Founder @ http://www.jbug.com.ar
 
 - Salatino "Salaboy" Mauricio -





--
 - MyJourney @ http://salaboy.wordpress.com
 - Co-Founder @ http://www.jugargentina.org
 - Co-Founder @ http://www.jbug.com.ar
 
 - Salatino "Salaboy" Mauricio -





--
 - MyJourney @ http://salaboy.wordpress.com
 - Co-Founder @ http://www.jugargentina.org
 - Co-Founder @ http://www.jbug.com.ar
 
 - Salatino "Salaboy" Mauricio -





--
 - MyJourney @ http://salaboy.wordpress.com
 - Co-Founder @ http://www.jugargentina.org
 - Co-Founder @ http://www.jbug.com.ar
 
 - Salatino "Salaboy" Mauricio -


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