The key concept you're not grasping is the fact that change is something that needs to be compartmentalized because it is the only safe way to build a large system. That system could be a piece of code or a bridge. You have to isolate change or that change will percolate throughout the entire system willy-nilly. In the case of a bridge, the bridge falls down. In the case of a piece of code, this means that every bugfix and/or enhancement might change the behavior of any part of the system, especially those which weren't touched.

What does this mean? Well, under your proposed system, it means that by fixing a bug in how User::Superman behaves, you might have changed the behavior of User::Anonymous. I'm pretty sure you would agree that this is undesirable.

The solution is to isolate the part that changes. Every user needs a set of authorizations, but that set (as a whole!) will change. So, isolate (or encapsulate) the bit that changes.

It is a tiny bit more upfront work. Yet, you will discover that you have more capabilities to the system than if you gone with your system. It's a bit of a leap of faith, but I hope you will trust me and be willing to make it, for your sake.

My criteria for good software:
  1. Does it work?
  2. Can someone else come in, make a change, and be reasonably certain no bugs were introduced?

In reply to Re^7: Re-blessing || Re-constructing objects by dragonchild
in thread Re-blessing || Re-constructing objects by blogical

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.