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  1. OMG Issue

UML241 — Presentation options of statemachine transitions: Figure 15.45 is ambiguous or wrong

  • Key: UML241-2
  • Legacy Issue Number: 16002
  • Status: closed  
  • Source: Commissariat a l Energie Atomique-CEA ( Dr. Arnaud Cuccuru)
  • Summary:

    Figure 15.45 of superstructure v2.3 illustrates the representation of deferred triggers on states. The transition between states "Get Cups" and "Pour coffee" specifies a trigger "light goes out" which is also identified as a deferred trigger of state "Get Cups". Does "light goes out" trigger the transition, or is it deferred? If the figure is not wrong, it would probably be helpful to add a comment in the text (note that figure 15.45 is not referenced in the text).

  • Reported: UML 2.4 — Tue, 1 Feb 2011 05:00 GMT
  • Disposition: Resolved — UML 2.4.1
  • Disposition Summary:

    Indeed, this is a very confusing example and is also wrong as the submitter points out. Also, there should
    be some explanation of this diagram.
    Replace this diagram with a simpler one and add some explanatory text.

  • Updated: Fri, 6 Mar 2015 20:58 GMT