By Scott Ambler
The 1st ebook to hide Agile Modeling, a brand new modeling process created particularly for XP initiatives severe Programming (XP) has created a buzz within the software program improvement community-much like layout styles did numerous years in the past. even if XP provides a technique for speedier software program improvement, many builders locate that XP doesn't let for modeling time, that's severe to make sure that a undertaking meets its proposed standards. they've got additionally stumbled on that normal modeling innovations that use the Unified Modeling Language (UML) frequently don't paintings with this system. during this cutting edge ebook, software program improvement columnist Scott Ambler offers Agile Modeling (AM)-a method that he created for modeling XP tasks utilizing items of the UML and Rational's Unified procedure (RUP). Ambler essentially explains AM, and indicates readers how you can include AM, UML, and RUP into their improvement initiatives with the aid of quite a few case reports built-in during the book.AM was once created by means of the writer for modeling XP projects-an point missing within the unique XP designThe XP neighborhood and its writer have embraced AM, which should still supply this booklet robust industry acceptanceCompanion website at www.agilemodeling.com good points updates, hyperlinks to XP and AM assets, and ongoing case reports approximately agile modeling.
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Extra resources for Agile Modeling: Effective Practices for eXtreme Programming and the Unified Process
The modeling notation that you use affects understandability—UML use case diagrams are of 72244_CH01I 2/27/02 11:06 AM Page 13 Introduction no value to your users if they don’t understand what the notation represents. In this case you would either use another approach or educate them in the modeling technique. Style issues, such as avoiding crossing lines, will also affect understandability—messy diagrams are harder to read than clean ones. The level of detail in your models, see below, can also affect understandability, because a highly detailed model is harder to comprehend than a less detailed one.
When I first read Extreme Programming Explained (Beck 2000), one of the most poignant things about XP for me was how Kent first defined a foundation for his methodology. He did this by describing four values: communication, simplicity, feedback, and courage. This fascinated me because he had found a way to describe some of the fundamental factors that lead to success at the software development game, and he managed to do it in such a way as to personalize it for individual developers. Bravo! Therefore, when I began putting Agile Modeling (AM) together, I decided to take an approach similar to that which Kent took with XP.
When it doesn’t work you will have learned something and will very likely have failed very early in your efforts. Contrast that to taking a complicated approach—complicated approaches fail as well—where you’ve invested significant resources to discover that your ideas didn’t work. Embrace Change Accept the fact that change happens. Revel in it. Change is one of the things that make software development exciting. Requirements evolve over time. Your project stakeholders’ understanding of their requirements changes over time.