the value of software design
TRANSCRIPT
The Value ofSoftware Design
How can you tell if a code is good or bad?
What would Robert C. Martin (Uncle Bob) tell you if he finds out you are doing bad code?
Software Craftsmanship
Why bothering doing good quality code?
“If software design is worth doing, there got to be an economic reason, not a moral reason” - Martin Fowler
“We need to put less effort on quality so we can build more features for our next release”
Have you heard this phrase before?
Tradable Quality
Why would a client ignore or not value software
quality?
The Land that Scrum Forgot
https://www.scrumalliance.org/community/articles/2010/december/the-land-that-scrum-forgot
The ‘debt’ metaphor
Ward Cunningham coined the termhttp://c2.com/cgi/wiki?
WardExplainsDebtMetaphor
Technical Debt
Design Stamina Hypothesis (Martin Fowler)
http://martinfowler.com/bliki/DesignStaminaHypothesis.html
Technical Debt is inevitable… yes, inevitable
http://martinfowler.com/bliki/TechnicalDebtQuadrant.html
IRRESPONSABLE
“A mess is not a technical debt” - Uncle Bob
IRRESPONSABLE
INCOMPETENT
TECHNICAL
DEBT
https://sites.google.com/site/unclebobconsultingllc/a-mess-is-not-a-technical-debt
Agile Manifesto
Agile Principle:
“Continuous attention to technical excellence and good design enhances agility”
Most of the agile manifesto signers were already XP practitioners
Thanks!Diego Alonso Gil Aguilar, @diegogil1989
Software Engineer at Avantica Technologies
CSM, CSD and survivor of Alistair Cockburn’sAgile Advanced Class
Join your local agile community:
Agile Perú: http://bit.ly/agileperu
Agile Costa Rica: http://bit.ly/agilecostarica
References- The Value of Software Design - Martin Fowler
https://www.youtube.com/watch?v=8kotnF6hfd8#t=2694
- The Land that Scrum Forgot - Robert C. Martinhttps://www.scrumalliance.org/community/articles/2010/december/the-land-that-scrum-forgot
- Ward Explains Debt Metaphor - Ward Cunninghamhttp://c2.com/cgi/wiki?WardExplainsDebtMetaphor
- Design Stamina Hypothesis - Martin Fowlerhttp://martinfowler.com/bliki/DesignStaminaHypothesis.html
- Technical Debt Quadrant - Martin Fowlerhttp://martinfowler.com/bliki/TechnicalDebtQuadrant.html
- A mess is not a Technical Debt - Robert C. Martinhttps://sites.google.com/site/unclebobconsultingllc/a-mess-is-not-a-technical-debt