Episode 217: 211 RR DCI with Jim Gay

Ruby Rogues

• Episode: Episode 217: 211 RR DCI with Jim Gay
• Website: Ruby Rogues
• Feed URL: https://feeds.feedwrench.com/RubyRogues.rss
• Duration: 00:55:50
• Published: 2015-06-10 15:00

02:48 - Jim Gay Introduction

• Twitter
• GitHub
• Blog
• Ruby DSL Handbook

03:43 - Object Design

• Clean Ruby
• SOLID Principles

04:39 - DCI (Data, Context, Interaction)

• Main Resource for DCI (FullOO)

07:20 - What Painpoint DCI Aims to Solve

• The Gang of Four Book
• object-composition Mailing List (Google Group)

09:31 - Designing From DCI From the Start (Process)

• Levels of Use Cases
  • Writing Effective Use Cases by Alistair Cockburn

11:42 - Object Composition

• Single Responsibility Principle

13:56 - Definitions: Forwarding, Delegation, Consultation, and Inheritance

• Class-Based Inheritance vs Prototype-Based Inheritance
• JavaScript Influence

18:37 - DCI and Service Objects

• Context

24:36 - Roles and Object Factoring

• Authentication

28:49 - One Context in a Single File

• surrounded

30:17 - Coupling and Cohesion

31:37 - Typeclasses

33:09 - DCI Criticism

• casting

36:51 - The Current State of DCI (Skepticism & Criticism?)

• Domain-Driven Design

38:56 - Preventing Reuse

41:18 - When should you not use DCI?

43:45 - Transition: Using/Undoing DCI (Experimentation)

45:04 - Resources

• fulloo.info
• Marvin
• object-composition Mailing List (Google Group)
• Clean Ruby

More DCI Blog Posts by Jim

• Delegation Is Everything And Inheritance Does Not Exist
• Chubby Models Are Still Fat With Concerns. DCI Focuses On How Things Work Together
• The Gang Of Four Is Wrong And You Don't Understand Delegation
• Triggering The DCI Context
• OOP, DCI And Ruby - What Your System Is Vs. What Your System Does
• 4 Simple Steps - Extending Ruby Objects - The Tip Of The Iceberg With DCI

Picks

Richard Hamming: You and Your Research (Jessica)
Martin Fowler: Yagni (Coraline)
Ruby Monday (Saron)
JunkFill (Saron)
Wappalyzer (Saron)
WhatFont (Saron)
Julian Feliciano: What Is Source Control? (Saron)
Bodum Santos Stovetop Glass Vacuum 34-Ounce Coffee Maker (Avdi)
The Master and His Emissary: The Divided Brain and the Making of the Western World by Iain McGilchrist (Jim)
request_store_rails (Jim)
littleBits (Jim)

Special Guest: Jim Gay.