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  1. OMG Issue

BPMN21 — Subclasses of Interaction Node (Task vs. Activity)

  • Key: BPMN21-275
  • Legacy Issue Number: 15901
  • Status: open  
  • Source: scch.at ( Christine Natschlär)
  • Summary:

    According to the Message Flow Class Diagram (Figure 9.14), Interaction Node has four subclasses: Participant, ConversationNode, Task and Event.

    However, according to page 124:
    Of the types of InteractionNode, only Pools/Participants, Activities, and
    Events can be the source of a Message Flow.

    The question now is, whether Task or Activity should be the subclass of Interaction Node.

    Suggestion: The Message Flow Connection Rules on page 44 specify that Message Flows can also connect to Sub-Processes. Therefore, I think it is necessary to define that Activity is a subclass of InteractionNode.

  • Reported: BPMN 2.0 — Wed, 15 Dec 2010 05:00 GMT
  • Updated: Fri, 6 Mar 2015 20:57 GMT