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Bruce Powel Douglass, Ph.D.

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    markus.nordstrand
    May 20, 2021

    Dependability Profile and the use of «SafetyMeasure»

    in Rhapsody

    Hi Bruce,


    In the document Safety Analysis with the UML.doc in your Dependability Profile you explain that the metaclass Safety Measure is a "normal UML element that could detect or extenuate (i.e. mitigate) a fault. (Stereotype of Class)."


    However, when I look at the corresponding stereotype «SafetyMeasure» in the profile, it is only applicable to Requirement:



    In other material you have provided I have seen that you have applied this stereotypes to classes, so this must have been changed at some point.


    Now to my question: Why isn't the SafetyMeasure stereotype applicable to class or block?


    Thanks!







    3 comments
    0
    Bruce Douglass
    May 20, 2021

    Hmmm looks like a mistake. I agree with you; the point of the <<safetyMeasure>> stereotype is primarily to refer to design elements that provide the safety design aspects.

    0
    Bruce Douglass
    May 20, 2021

    I have plans to restructure the entire profile but haven't gotten around to it yet. I want to build in likelihood computatoin propagation into the profile and I know how to do it, I just haven't done it yet.

    0
    markus.nordstrand
    May 21, 2021

    All right, thanks! I will just redefine that stereotype then so it can be applicable to class instead.

    0
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