Tagged Questions

1
vote
2answers
146 views

Is it a Single Responsibility Principle violation?

I'm designing an OO graph library and at the moment I'm trying to figure out the design for a GraphEdge class. I've added setters and getters for it's nodes, direction and weight. This seemes ...
5
votes
2answers
259 views

Is it good to have an interface plenty of methods which belong to different concepts, just to preserve the Liskov's Principle?

I'm currently studying a course based on Software Design and I had a discussion in class with my professor and some classmates about a problem represented by the next scenario: Scenario Imagine ...
3
votes
2answers
147 views

Are there any well-known quantitative approaches to evaluate a particular design whether it satisfies or violates the SOLID design principles? [duplicate]

I designed an application framework by considering the SOLID design principles and supported by design patterns. However, I wonder if there are any automated tools or well-known approaches to evaluate ...
0
votes
1answer
221 views

Liskov substitution and abstract classes / strategy pattern

I'm trying to follow LSP in practical programming. And I wonder if different constructors of subclasses violate it. It would be great to hear an explanation instead of just yes/no. Thanks much! P.S. ...
0
votes
2answers
223 views

Examples of Liskov Substitution [closed]

I'm facilitating a session next week on the Liskov Substitution Principle and I was wondering if anyone had any examples of violations 'from the trenches'? I'm looking for something other than uncle ...
10
votes
7answers
1k views

What can go wrong if the Liskov substitution principle is violated?

I was following this highly voted question on possible violation of Liskov Substitution principle. I know what the Liskov Substitution principle is, but what is still not clear in my mind is what ...
53
votes
6answers
3k views

Is this a violation of the Liskov Substitution Principle?

Say we have a list of Task entities, and a ProjectTask sub type. Tasks can be closed at any time, except ProjectTasks which cannot be closed once they have a status of Started. The UI should ensure ...
3
votes
5answers
496 views

Is my mediator layer a sensible way to manage this scenario using the Single Responsibility Principle?

I'm not sure how to start to explain my question, but here goes. We have just finished an MVC application that hits 2 WCF services. But there has been a bit of a disagreement between those who worked ...
10
votes
9answers
947 views

SOLID vs. static methods

Here's a problem I frequently run into: Let there be a web shop project that has a Product class. I want to add a feature which allows users to post reviews to a product. So I have a Review class ...
8
votes
2answers
233 views

When following SRP, how should I deal with validating and saving entities?

I've been reading Clean Code and various online articles about SOLID lately, and the more I read about it, the more I feel like I don't know anything. Let's say I'm building a web application using ...