All Questions
Tagged with architectureobject-oriented
155 questions
3votes
1answer
214views
Passing info between different branches of a class hierarchy in C++?
So, I have a class hierarchy that looks like this: It is an embedded project, so the entire code will be run over and over. I have several algorithm classes, that compute some result given some inputs....
- 169
2votes
3answers
261views
What is the relationship between the terms "association", "aggregation", and "composition"? [closed]
I try to brush up on my technical interview skills as I plan to seek a better offer I don't recall being ever asked that really, but I still want to clear up any confusion. What is association, ...
- 1,549
0votes
3answers
309views
Do I really need this many (DTO) types for mapping a simple object to CRUD & database?
Say I'm building my own backend framework (really I'm just learning) and I have a simple class: class User { String email String passwordHash Date birthdate Int getAge() { ...
- 406
0votes
1answer
258views
Separation of concerns between business layer, data layer and presentation layer without losing information
I'm developing an api in Fast API using sqlalchemy to manage my ORM classes and operations with the database. I'm dealing with some design decisions to have my classes as little coupled as possible ...
1vote
2answers
278views
OOP Design of a Mathematical Group
A Group is formally defined as a set of Element's, over which a single operator mul is defined. There are different kinds of Groups, and each kind requires a different set of parameters. Operator mul ...
- 21
0votes
2answers
275views
What is a good architecture / design pattern for giving multiple shared attributes in different combinations?
I have a need for many different objects to have various combinations of attributes. For a demonstrative example, a flaming dog would have a dog attribute, a flame attribute, and a tail attribute, ...
- 111
0votes
1answer
163views
Separation of concerns: persisting complex types
I have the following module structure: core persistence extension In my core module, I have an interface: Handler. This interface has multiple implementations in the core module as well as extension ...
- 111
5votes
2answers
3kviews
What is the difference between detailed design and design for construction?
I am currently reading Code Complete. And I was confused when the author in one case uses the term "detailed design", and in the other "design for construction". What is their ...
user433560
0votes
1answer
83views
Creating Controllers and Repositories without corresponding Models
I have to create a system to interview people on a few topics where they have to answer both objective and discursive questions, where questions may change between interviews. I structured the ...
- 111
2votes
1answer
2kviews
onion architecture - calling external APIs
Umbrella Question In an onion architecture, where do all the components needed to consume an external API fit in? The following is the architecture I have so far, based off an example found here: ...
- 571
1vote
2answers
423views
MVC-like architecture: Model-Controller communication of results/status
I'm struggling on designing a solid architecture for my project. In particular, I don't know how to handle the communication between the models and the controllers. My goals are: Following the ...
- 29
0votes
3answers
157views
What should be the optimal management of end user messages in N-tier architecture?
I'm curious about your thoughts on this subject that we have discussed with the people around me. Especially at the architectural stage, in which layer is the most optimal and efficient way to use the ...
- 13
2votes
1answer
7kviews
Low-level Design of a Bike Rental Service
I'm working on the low-level design of a bike rental service and I was wondering if the solution is good or where it can be improved. Context & Requirements I used an exercise I found online which ...
1vote
2answers
122views
Designing UI module for an application
I have an UI module that will expose only one class - UserInterface. The class will be responsible for collecting user input and providing output (command line UI style). From logical way of thinking, ...
- 33
-1votes
2answers
176views
Robins magic Chess game: Where to put/split the behaviour to full fill Law of Demeter [closed]
So now i have a really concrete example; its highly related to that question here: Tell one, but ask the others? the important statements there are: In the comment section https://softwareengineering....
