Tagged Questions
15
votes
8answers
932 views
Is Dependency Injection worth it outside of UnitTesting
Given a constructor that will never, ever, have to use any different implementations of several objects that it initializes, is it still practical to use DI? After all, we might still want to unit ...
0
votes
1answer
88 views
Architecting Domain Layer and other modules with dependency injection in mind
I am currently new to Dependency Injection pattern. I am influenced by link by Mark Seemann.
I have a confusion regarding whether an interface for an agent class of some agent module should be ...
1
vote
2answers
239 views
Very-Loose Coupling and Dependency Injection for Database Management
I'm currently setting up a MongoDB database for a web-app. I'm running node.js and using Mongoose to help manage mapping, validation ect.
I'm wondering if it's a good idea to really decouple MongoDB ...
2
votes
1answer
488 views
DI / IoC Abstract Factory Galore
Given a project architecture as follows, where each box represents an assembly (all are class libraries), and each arrow stands for a dependency:
Might be worth nothing that this project is massive ...
1
vote
3answers
426 views
Dependency Injection Confusion
I think I have a decent grasp of what Dependency Inversion principle (DIP) is, my confusion is more around dependency injection.
My understanding is the whole point of DI is to decouple parts of an ...
4
votes
4answers
357 views
Pattern to use for different Stages in a software
I am developing a software for a laboratory to test some devices. To test each device there are multi subtests which should be done to reach to the final result.To perform a complete test, the ...
1
vote
0answers
187 views
Acceptable placement of the composition root using dependency injection and inversion of control containers
I've read in several sources including Mark Seemann's 'Ploeh' blog about how the appropriate placement of the composition root of an IoC container is as close as possible to the entry point of an ...
9
votes
2answers
388 views
What's the practical difference between the styles of dependency injection?
I'm new to dependency injection and I have a few questions about which style I shouldI use in my applications. I've just read Inversion of Control
Containers and the Dependency Injection pattern by ...
6
votes
4answers
1k views
How to use Dependency Injection in conjunction with the Factory pattern
Consider a module that is responsible for parsing files of any given type. I am thinking of using the strategy pattern to tackle this problem as I have already explained over here. Please refer to the ...
3
votes
3answers
268 views
Is it a good idea to register views and view models as singletons in an IOC container?
I understand the benefits of injecting dependencies into objects, but have not found much guidance on the types of objects to inject and when to make them singletons.
If we take as as example an ...
3
votes
4answers
259 views
Representing complex object dependencies
I have several classes with a reasonably complex (but acyclic) dependency graph. All the dependencies are of the form: class X instance contains an attribute of class Y. All such attributes are set ...
4
votes
2answers
193 views
Dependency injection and IOC containers in a closed project
Does it make sense to assemble my project with dependency injection containers if I am the only one who will use the code of that project?
The question came up when I read this IOC Article ...
6
votes
2answers
327 views
How to use DI and DI containers
I am building a small PHP mvc framework (yes, yet another one), mostly for learning purposes, and I am trying to do it the right way, so I'd like to use a DI container, but I am not asking which one ...
3
votes
2answers
229 views
When is using DI and optionally a IoC framework a step too far?
Consider a logging system - used absolutely everywhere in your codebase.
(note - logging is just an example, don't take it too literally and point me at your favourite logging system).
public ...
1
vote
2answers
747 views
What are the best practices to use NHiberante sessions in asp.net (mvc/web api) ?
I have the following setup in my project:
public class WebApiApplication : System.Web.HttpApplication
{
public static ISessionFactory SessionFactory { get; private set; }
public ...
