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Getting Feature Focused

Getting Feature Focused

Experiences build an application organized by feature rather than architecture.

Ryan Cromwell

October 30, 2012
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  1. where  would  you  go  to… update  the  search  algorithm?  

    add  favorite  products?   one  click  checkout   only  show  in-­‐stock  products?
  2. • Release  Reuse   • Common  Closure   • Common

     Reuse   • Acyclic  Dependencies   • Stable  Dependencies   • Stable  Abstrac2ons Forgo%en SOLID  principals What  you  hear  about • Single  Responsibility   • Open/Closed   • Liskov  Subs2tu2on   • Interface  Segrega2on   • Dependency  Inversion
  3. • Tasking   • Chat  (XMPP) Feature  Themes walk  the

     walk Context • Air  Force   • Old:  Thick  Client     • New:  Single  Page  App   • HTML5(ish)  +  Javascript   • Java
  4. other  effects • Conven2ons  Within  Features   • Responsibility  Viola2ons

     Obvious   • Ramp  up     • Small,  Simple  Interfeature  Collabora2on   “Ah  consistency,  the  path  to  simplicity  and  the   bane  of  innova6on.    Choose  wisely”  ~  me,  on   twi<er
  5. what‘s  next? • Server  +  Client  side-­‐by-­‐side  (i.e.  Controllers)  

    • CSS/images   • Requirejs  +  unit  tes2ng  =  painful   • Frameworks/Tooling