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Asked: 2026-05-13T09:42:39+00:00

I have a entity diagram from some analysis that I’d like to have someone

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I have a entity diagram from some analysis that I’d like to have someone look over. For some reason the System object just doesn’t seem right to me. Is there a better way to relate the objects?

Its basically a user authentication/management system in its infancy.

http://www.dumpt.com/img/viewer.php?file=zlh8ltbtho4mutbbb3yk.gif

Cheers,
Mike

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1 Answer

  1. Editorial Team

    User and Company should have a common base class (they both have names and mail addresses), then you can link the System to this base class. That’s a common pattern for business modeling, look for example, into chapter one of Martin Fowler’s book “Analysis Patterns”.

    EDIT: Or, if you think this makes more sense, you use System as the base class itself, put the EMail adress there (and perhaps give System a better name like LegalPerson, CorporateBody or something like that).

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