How to integrate Data Objects within BPMN process

[Mike]

Hey Guys,

Looking at the BPMN coverage of Camunda, I noticed that data objects are
not covered yet.
So far I made myself familiar with the HashMap approach which contains
the process variables. This is working just fine after a short test.
However I was wondering, how am I able to define a data structure and
make a reference within the process.
I would like to visualize how a service task produces an "output data
structure" which is then used again as an input for another task.
As far as I know, it is possible to define object types within the
hashmap. However, the data is then completely "behind the scenes" and
thus isolated from the process - which is not what I want.

OMG provided some sample code with:

<itemDefinition id="IssueItem" isCollection="false" itemKind="Information"
structureRef="com.camunda.examples.incidentmanagement.IssueReport" />

Is there a working example based on camunda out there with some XML
Source Code using structureref&itemdefinition?
Or is there another way to define data structures?

Thanks alot,
Mike

[webcyberrob]

Mike,

not an answer, but this thread may be of interest...

https://groups.google.com/forum/#!searchin/camunda-bpm-users/business$20object$20access/camunda-bpm-users/KDLIEUEyb6E/BjivXMSOUJ0J

regards

Rob

[mike]

Hey Rob,

Looking at https://app.camunda.com/confluence/display/BestPractices/Data+in+Processes
There is a suggestion to use as less data in the process as possible.
However, in bigger projects you would like to reference your preexisting domain data objects, right?

Meanwhile I found one example which shows custom-made data access patterns:

https://github.com/camunda/camunda-consulting/tree/master/patterns/data-in-processes

However, I'd like to use an approach like the one presented on the last slide of this presenation:

https://www.google.ch/url?sa=t&rct=j&q=&esrc=s&source=web&cd=7&ved=0CFIQFjAG&url=https%3A%2F%2Fapp.camunda.com%2Fconfluence%2Fdownload%2Fattachments%2F14352774%2Fdata%2520in%2520processes-webinar1.pdf%3Fversion%3D1%26modificationDate%3D1377587961000%26api%3Dv2&ei=6xNuVILvO42uPOWrgKAE&usg=AFQjCNHctvbyXFeoZmb7tMB5jg1KJud_1Q&sig2=k4FMzeDRz87hwUKKRK-AQQ&bvm=bv.80120444,bs.1,d.ZWU&cad=rja

Can someone provide an example?

Thanks
Mike

[Bernd Rücker (camunda)]

Hi Mike.

You mean the "PocessVariableProducer"? Isn't the code example actually on
the slide itself?

Cheers
Bernd

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Betreff: [camunda-bpm-users] Re: How to integrate Data Objects within BPMN
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[Mike]

Oops i meant this presentation.

https://app.camunda.com/confluence/download/attachments/14352774/data%20in%20processes-webinar2.pdf?version=1&modificationDate=1377587969000&api=v2

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[Bernd Rücker (camunda)]

That’s something we do not support in camunda BPM ;-) But you can use our io maping stuff (See for exampke http://blog.camunda.org/2014/07/scripting-everywhere-in-camunda-bpm.html).

To view this discussion on the web visit https://groups.google.com/d/msgid/camunda-bpm-users/A926B691-6FC7-4233-9A68-C2C381194317%40gmail.com.