Inversion of control (IoC) is an abstract principle describing an aspect of some software architecture designs in which the flow of control of a system is inverted in comparison to procedural programming.

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Why is Inversion of Control named that way?

The words invert or control are not used at all to define Inversion of Control in the definitions that I've seen. Definitions Wikipedia inversion of control (IoC) is a programming technique, ...
101
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4answers
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Difference between Dependency Injection (DI) and Inversion of Control (IOC)

I've been seeing a lot of references of Dependency Injection (DI) & Inversion Of Control (IOC), but I don't really know if there is a difference between them or not. I would like to start using ...
43
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7answers
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Single Responsibility Principle - How Can I Avoid Code Fragmentation?

I'm working on a team where the team leader is a virulent advocate of SOLID development principles. However, he lacks a lot of experience in getting complex software out of the door. We have a ...
52
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4answers
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What is inversion of control, and when should I use it?

I am designing a new system and I want to know what inversion of control (IOC) is, and more importantly, when to use it. Does it have to be implemented with interfaces or can be done with classes?
12
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2answers
2k views

What is the difference between DI and IoC? [duplicate]

Possible Duplicate: Difference between Dependency Injection (DI) & Inversion of Control (IOC) I'm new to Inversion of Control, Dependency Injection and everything related to these ...
17
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3answers
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Sell me on IoC containers, please

I've seen several recommend use of IoC containers in code. The motivation is simple. Take the following dependency injected code: class UnitUnderTest { std::auto_ptr<Dependency> d_; public: ...
2
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2answers
3k views

IoC containers and service locator pattern

I am trying to get an understanding of Inversion of Control and the dos and donts of this. Of all the articles I read, there is one by Mark Seemann (which is widely linked to in SO) which strongly ...
12
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5answers
1k views

Should I write an interface API before an implementation?

I've been delving into more "organized" programming recently and I've been learning that I should be programming to an interface, not an implementation. With that in mind, would it be better to ...
5
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4answers
195 views

How does a Dependency Injection/IOC Container know which implementation to use?

When you use an IoC container, like so: var svc = IoC.Resolve<IShippingService>(); How does the IoC Container choose which implementation of IShippingService to instantiate? Further, if I am ...
3
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1answer
652 views

Lazy loading can lead to stale data, violates IoC?

Trying to be a better programmer I have an application that keeps track of Roles and Permissions, I had classes for Role and Permission which were just value objects. class Role { int RoleID ...