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BPMN 2.0 Metamodel [message #1324433]

Wed, 30 April 2014 19:48

abdush mohd

Messages: 35
Registered: April 2014

Member

Hi,

I am using the MDT/BPMN2 component to graphically create business process models.
The BPMN process model is used as input for an ATL transformation. For the input metamodel, i am using the Ecore files in the plugins folder: org.eclipse.bpmn2_0.7.0.201308220617.jar

My question is there a way to switch the serialization of the process model between XMI and XML format? As far as I know, I guess there is one BPMN metamodel (ecore) used in Eclipse. Does it support both type of files?

Thanks

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Re: BPMN 2.0 Metamodel [message #1334339 is a reply to message #1324433]

Mon, 05 May 2014 14:24

Robert Brodt

Messages: 811
Registered: August 2010
Location: Colorado Springs, CO

Senior Member

Hi Abdush,

The BPMN metamodel project is just an EMF model and, as such, supports XMI and XML serialization. There are lots of tutorials and examples on the web that illustrate how to do this.

HTH,
Bob

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Re: BPMN 2.0 Metamodel [message #1335343 is a reply to message #1334339]

Tue, 06 May 2014 00:45

abdush mohd

Messages: 35
Registered: April 2014

Member

Hi Robert,

Thanks for your reply.

I can understand that EMF models (a metamodel) can supports XMI and XML, but does this mean there is two interchangeable metamodels (MOF/Ecore and XSD). I am confused about the BPMN metamodel because I have read that the OMG spec defined two different metamodels files MOF and XSD (I don't know why!), and eclipse BPMN Ecore merged the two in one metamodel. So I guess its different for example from the UML metamodel which is based on MOF (but still I guess it can be mapped to XSD).

I would like to know if there is an easy way (using the BPMN Editor) to switch between the two BPMN process model (not the metamodel) export formats .
The following for example I get from right clicking on the process model and open in text editor:

<bpmn2:definitions >
  <bpmn2:process id="process_1" drools:version="1" drools:packageName="defaultPackage" drools:adHoc="false" name="Default Process" isExecutable="true">
    <bpmn2:startEvent id="StartEvent_1" name="">
      <bpmn2:outgoing>SequenceFlow_15</bpmn2:outgoing>
    </bpmn2:startEvent>
    <bpmn2:sequenceFlow id="SequenceFlow_15" drools:priority="1" name="" sourceRef="StartEvent_1" targetRef="Task_8"/>
    <bpmn2:task id="Task_8" name="prepare purchase request">
      <bpmn2:incoming>SequenceFlow_15</bpmn2:incoming>
      <bpmn2:outgoing>SequenceFlow_16</bpmn2:outgoing>
....

Which is different from the XMI I get from some other tools.

I want to use the BPMN metamodel and the example process model as input to a model transformation. So, in another way, is it possible to handle the two input process files XMI,XML valid for the same transformation which uses the Eclipse BPMN Ecore files?

Sorry if this is not related to this forum. I have posted similar question in ATL forum but still no reply yet.

Thanks

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