Inversion of control containers vs handrolled how they compare
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Inversion of Control Containers Vs. hand rolled How they compare @NathanGloyn nathangloyn Design Code Release [email protected]
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Transcript of Inversion of control containers vs handrolled how they compare
Inversion of Control
Containers Vs. hand
rolled
How they compare
@NathanGloyn
nathangloynDesign Code Release
Agenda
• A common vocabulary
• Why use dependency injection
• From scratch(ish)
• Summary
• Questions
A common
vocabulary
Direct control
Object Graph
Data Access
Repository
RepositoryController
Service Repository
Repository
Data Access
Data Access
Data Access
Inversion of Control
Container
Composite Root
Lifecycle
Why use dependency
injection?
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Testable
Loosely coupled
Evolvable
Code
From
Scratch(ish)
Summary
• IoC not always needed
• Easy to implement IoC
• Removes complexity
• Can add complexity
Questions
