MDT/BPMN2/Validation

This wiki page is intended to track our discussion regarding validation of BPMN2 models. It hosts a list of constraints compiled from the specification text.

• See: https://bugs.eclipse.org/bugs/show_bug.cgi?id=319254

List of constraints

Template BPMN2/Constraint:

{{BPMN2/Constraint
| type=
| chapter=
| page=
| text=
| name=
| ocl=
}}

Chapter 8 - BPMN Core Structure

• ItemDefinition
  • Found: chapter 8.3.10, page 92
  • Text: In cases where the data structure represents a collection, the multiplicity can be projected into the attribute isCollection. If this attribute is set to “true,” but the actual type is not a collection type, the model is considered as invalid.
  • Constraint: -
  • May be hard to formalize, because StructureRef can be of various types written in any language

Chapter 10 - Process

• StartEvent
  • Found: chapter 10.4.2, page 238
  • Text: no Sequence Flow can connect to a Start Event
  • Constraint: @StartEvent: noSequenceFlowToStartEvent = self.incoming->isEmpty()