All Questions
Tagged with architectureobject-oriented-design
99 questions
1vote
2answers
158views
How does Object-Oriented Design fit into N-Layered Architecture?
Normally an N-Layered application is structured as follows. User Interface layer Business Logic Layer Data Access Layer DAL contains objects (data containers) representing business entities. The BLL ...
- 399
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
1answer
168views
Is it good practice for object APIs to be required to be called in sequence to gather information?
I had this discussion with someone and it ended ambiguously. Suppose you have a class that needs to Parse a file to gather some information. It can expose this information to you after the fact. ...
-3votes
1answer
268views
How should I architect a cricket scoring app?
Cricket scoring is complex and I want to build an app in part to practice good design principles/patterns and develop a clean solution. A few high level classes I have in mind are: Match | Innings | ...
- 397
2votes
2answers
562views
Is this architecture overkill? What is a good way to architect this software?
I have an algorithm I am trying to implement that has steps 1 to 5. There are several different ways I could implement each step. Each calculation step is essentially just an astronomy calculation, ...
- 187
-1votes
1answer
458views
Using a shared enum across 15 nanoservices [closed]
Originally posted here, moved to code review, redirected from code review back here as there is no code to review. I think the question is enough abstract to be asked here. I have a mono repo with ...
1vote
1answer
108views
Side effect as a common object seems like a bad pattern
Given an auction system, there are several ways to apply a discount to the transaction's final amount, e.g. Special discount for a given seller discount for a given buyer Discount for a specific ...
- 161
4votes
3answers
1kviews
Class Constructor that Takes Two Arguments of the Same Interface - But Order Matters
I'm getting ready to release a feature to production tomorrow & feel I have misdesigned said feature. I'll try to explain my scenario clearly. I'm looking for alternative design suggestions to ...
0votes
1answer
961views
Appointments using time slots
I would like to create a dynamic appointment system between teacher and student to easily allow them to make an appointment. In this system, teachers select their 30 minutes time slot availabilities ...
- 109
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 ...
3votes
4answers
762views
Do I have LocalDTOs? If yes, what is a good approach to keep encapsulation of the domain model?
LocalDTO term refers to Fowler's article. Say I have a domain entity Person: public class Person { private String id; private String name; private int age; } This entity has its own ...
- 705
3votes
3answers
1kviews
Undo/Redo with Command Pattern and Object Destruction
I'm developing a Command Pattern with Undo/Redo support. The environment is Unity C# but should be mostly language-agnostic. My initial commands comprise of adding and removing objects to and from a ...
1vote
2answers
190views
Should selected person be part of my application layer? (MVP pattern)
Consider the following GUI screen: When user selects a person from PersonListView, EditPersonView should show person's first name and last name and allow the user edit. So, I end up with the ...
- 705
-3votes
1answer
94views
What are some of the good and bad aspects of this basic design? [closed]
I made this design for a university assignment, but I am genuinely interested of this design's good and bad aspects. The design was supposed to be an OOP design. The system is meant to be an online ...
- 105
0votes
2answers
240views
Where to put files (interfaces) that link two independent assemblies: Authentication and Main Program
I'm having an issue with dependencies in a C# app that I'm creating. I have an assembly for my authentication process, and a separate assembly for starting up the main program once authentication is ...
- 1,660
