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Questions tagged [loose-coupling]

207 questions
188
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20 answers

What is "loose coupling?" Please provide examples

I can't seem to grok the concept of "loose coupling." I suppose it doesn't help that the word "loose" usually has a negative connotation, so I always forget that loose coupling is a good thing. Will somebody please show some "before" and "after"…
trebormf
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Is dependency injection useful in C++

C# uses Dependency Injection (DI) a lot to have a lossless and testable platform. For this, I need an interface and maybe a DI or Inversion of Control (IoC) container for resolving my instances. But how do you do this in C++? I've read a little bit…
Marcel Hoffmann
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10 answers

How to understand the big picture in a loose coupled application?

We have been developing code using loose coupling and dependency injection. A lot of "service" style classes have a constructor and one method that implements an interface. Each individual class is very easy to understand in isolation. However,…
WW.
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Why should a web architecture be loosely coupled?

When I look at ASP.NET MVC projects I everytime see loose coupled architecture. For what do I need a loose coupling in a web architecture (if I do not make unit tests)? What are advantages and disadvantages of this? What is the main reason to…
Rookian
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13 answers

Which patterns for loose coupling do you use most?

Lately I have seen a lot of blog posts concerning how to build loosely coupled applications. Which patterns do you use most when creating loosely coupled applications? Dependency Injection? Inversion of Control?
Fossmo
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13
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9 answers

Why is tightly coupled bad but strongly typed good?

I am struggling to see the real-world benefits of loosely coupled code. Why spend so much effort making something flexible to work with a variety of other objects? If you know what you need to achieve, why not code specifically for that purpose? To…
JLX
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6 answers

Handling interdependent and/or layered asynchronous calls

As an example, suppose I want to fetch a list of files from somewhere, then load the contents of these files and finally display them to the user. In a synchronous model, it would be something like this (pseudocode): var file_list =…
Confluence
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Is it a leaky abstraction if implementation of interface calls Dispose

Consider this code: public class MyClass() { public MyClass() { } public DoSomething() { using (var service = new CustomerCreditServiceClient()) { var creditLimit = service.GetCreditLimit( customer.Firstname,…
Jon
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8
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5 answers

How to Implement Loose Coupling with a SOA Architecture

I've been doing a lot of research lately about SOA and ESB's etc. I'm working on redesigning some legacy systems at work now and would like to build it with more of a SOA architecture than it currently has. We use these services in about 5 of our…
user300183
8
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2 answers

separation of concerns vs loose coupling

I would like to understand the difference between separation of concerns and loose coupling. Is it true that coding by separation of concerns gives a loosely coupled code? Thank you.
MoShe
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7
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4 answers

Loose Coupling and OO Practices for Beginners

Keeping classes loosely coupled is an important aspect of writing code that is easy to understand, modify, and debug--I get that. As a newbie, though, just about anytime I get beyond the most simple examples I struggle. I understand, more or less,…
Al C
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2 answers

Best way to structure the code for an ASP.NET MVC REST API that is decoupled from the data formats?

I am creating a REST API in ASP.NET MVC. I want the format of the request and response to be JSON or XML, however I also want to make it easy to add another data format and easy to create just XML first and add JSON later. Basically I want to…
MetaGuru
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4 answers

Loosely Coupled Database Design - How To?

I'm implementing a web - based application using silverlight with an SQL Server DB on the back end for all the data that the application will display. I want to ensure that the application can be easily scalable and I feel the direction to go in…
Goober
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7
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Exposing std::vector over a dll boundary - best practice for compiler independence

Exposing STL containers over DLL boundaries is not a good idea, and generally not possible (see this answer for why, and this one about exposing a std::list over a dll boundary). I need to be able to pass data between DLL and EXE compiled with…
Phil H
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Reducing coupling simple example needed for beginner

Just out of college and am coming across some code where I need to reduce coupling. But I don’t understand fully all the concepts and would like a simple example to help me. To get you started I have a person class with a single field, name. I have…
Francis Rodgers
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