the oo design process8.mht

VC书籍介绍C++的应用的TheOODesignProcess.zip 电子书好用的

          transaction effectively doesn't accrue interest.=20
          <P>You want to show interest accrual on a daily basis, =
however, so=20
          it's not sufficient to list only transactions, as would a =
real-world=20
          passbook or bank statement. You really want a line item for =
every day.=20
          That's a lot of line items, though. A reasonable compromise =
might be=20
          to show the previous 30 days on a per-day basis, with the rest =
of the=20
          passbook looking like a standard bank statement that shows =
regular=20
          (but not daily) interest postings, perhaps one posting per=20
          week.</P></LI></OL>
        <P>So that's an entire use-case presentation. Rather than bore =
you by=20
        presenting the rest of the use cases in subsequent columns, I'll =
put the=20
        complete set up on my Web site (see Resources) so that you can =
inspect=20
        them at your leisure. Next month we'll continue the design =
process by=20
        looking at the UI design (which is essential not only because =
we'll have=20
        to build it, but also because the UI serves both to validate the =
use=20
        cases and provide a useful communication tool).</P><!-- Enter =
list of article resources here --><A=20
name=3Dresources>
        <P><B class=3Dsubhead>Resources</B>=20
        <UL>
          <LI>
          <P>This article continues my series on the OO-design process. =
The=20
          first seven parts are:</P>
          <UL>
            <LI><A=20
            =
href=3D"http://www-106.ibm.com/developerworks/components/library/oo-desig=
n1/index.html">Getting=20
            started</A>=20
            <LI><A=20
            =
href=3D"http://www-106.ibm.com/developerworks/components/library/oo-desig=
n2/index.html">Beginning=20
            to design software</A>=20
            <LI><A=20
            =
href=3D"http://www-106.ibm.com/developerworks/components/library/oo-desig=
n3.html">Refining=20
            the problem definition</A>=20
            <LI><A=20
            =
href=3D"http://www-106.ibm.com/developerworks/components/library/co-desig=
n4.html">Verifying=20
            the analysis</A>=20
            <LI><A=20
            =
href=3D"http://www-106.ibm.com/developerworks/components/library/co-desig=
n5.html">Use=20
            cases, an introduction</A>=20
            <LI><A=20
            =
href=3D"http://www-106.ibm.com/developerworks/components/library/co-desig=
n6.html">Use=20
            case planning</A>=20
            <LI><A=20
            =
href=3D"http://www-106.ibm.com/developerworks/components/library/co-desig=
n7.html">Use=20
            cases applied, Part 1</A> </LI></UL><BR>
          <LI>Visit Allen's Web site at <A=20
          href=3D"http://www.holub.com/">http://www.holub.com/</A>.=20
          <LI><A href=3D"http://www.foruse.com/">Constantine and =
Lockwood</A>=20
          recommend that you represent nonlinear operations differently =
than we=20
          have in this article.=20
          <LI>The notion of an object being defined by its operations is =

          discussed in Allen Holub, <A=20
          =
href=3D"http://www.javaworld.com/javaworld/jw-07-1999/jw-07-toolbox.html"=
><I>What=20
          is an Object?</I></A> (<I>JavaWorld</I>: July, 1999). =
Subsequent=20
          articles in the series (all of which are indexed at <A=20
          =
href=3D"http://www.holub.com/aiharticles.html">http://www.holub.com/aihar=
ticles.html</A>)=20
          discuss how this philosophy is actually applied to real-world =
systems.=20

          <LI>Workflow diagrams (along with the rest of UML) are =
described=20
          nicely in Martin Fowler and Kendall Scott's <A=20
          =
href=3D"http://www1.fatbrain.com/asp/bookinfo/bookinfo.asp?theisbn=3D0201=
65783X&amp;from=3DNCN454"><I>UML=20
          Distilled, 2nd Ed</I></A>. </LI></UL><!-- Enter author bios =
here; make author heading singular or plural as needed --><A=20
        name=3Dauthor1>
        <P><B class=3Dsubhead>About the author</B> <BR>Allen Holub =
provides=20
        consulting services in the fields of OO Design and process and =
Java=20
        programming, and also provides formal training and mentoring in =
these=20
        subjects.</P>
        <P>He has worked in the computer industry since 1979, most =
recently as=20
        Chief Technology Officer at NetReliance, Inc. (and is actively =
looking=20
        for another CTO position). He is widely published. Allen has <A=20
        href=3D"http://www.holub.com/allenholub.html#books">eight =
books</A> to his=20
        credit, the latest of which covers the traps and pitfalls of =
Java=20
        threading (<A=20
        =
href=3D"http://www1.fatbrain.com/asp/bookinfo/bookinfo.asp?theisbn=3D1893=
115100&amp;from=3DNCN454"=20
        target=3D_blank>Taming Java Threads</A> [Berkeley: Apress, 2000; =
ISBN=20
        1893115100]).</P>
        <P>Allen is also a composer, artist, and instrument-rated =
commercial=20
        pilot. He holds B.A. degrees from the University of California,=20
        Berkeley, in Medieval History and Computer Science.</P><BR=20
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