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Single responsibility principle

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Avatar for Grzegorz Wilczyński Grzegorz Wilczyński
November 12, 2012
Programming
220
2

Single responsibility principle

Single responsibility principle

Avatar for Grzegorz Wilczyński

Grzegorz Wilczyński

November 12, 2012

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Transcript

  1. Design patterns: The Single-Responsibility Principle Grzegorz Wilczyński 11th november 2012

  2. SOLID The principles when applied together intend to make it

    more likely that a programmer will create a system that is easy to maintain and extend over time. http://en.wikipedia.org/wiki/Solid_(object-oriented_design)

  3. SOLID Single responsibility Open-closed Liskov substitution Interface segregation Dependency inversion

    http://en.wikipedia.org/wiki/Solid_(object-oriented_design)

  4. BIBLE http://www.amazon.com/Agile-Principles-Patterns-Practices-C/dp/0131857258

  5. Rule #1 A class should have only one reason to

    change. "Agile Principles, Patterns, and Practices in C#" Robert C. Martin

  6. Rule #2 A class should have only one reason to

    change. "Agile Principles, Patterns, and Practices in C#" Robert C. Martin

  7. So please don't... http://3.bp.blogspot.com/-FQZ4VT_gbRY/T8RvXLTPWMI/AAAAAAAABP0/JCckSpENM88/s640/SingleResponsibilityPrinciple.jpg

  8. Step 1 http://www.remondo.net/wp-content/uploads/2012/03/SingleResponsibilityPrincipleRadio.png

  9. Step 2 http://www.remondo.net/wp-content/uploads/2012/03/SingleResponsibilityPrincipleRadioManagers.png

  10. Homework $ git branch gw-solid-1 end time: 16.11.2012