Questions tagged [object-design]
22 questions
1
vote
2 answers
Entity Framework: Object design with relationships and more
I have a .net solution (with Entity Framework, using the CodeFirst approach) about the administration of a university. The architecture of the project is like this:
DataAccess (DbContext and Generic Repository)
Entities (code first…
ascherman
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How to model related objects without tight database coupling
I'm designing entities where one is related to another, but keeping application/database separate and also performance in mind.
I've read on many architectual concepts (SOLID, separation of concerns, etc.).
ORM frameworks solve this internally and…
Lucker
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0
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An interface with one parameterized method or an interface with multiple non-parameterized methods
This is a language-agnostic question, more about object-oriented design and how to organize interfaces. Let’s consider we have an abstraction called Font. We have a bunch of classes that extend/implement this abstraction. The instances of these…
Sergey Kudashev
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1 answer
Suggestion on Pattern to solve concrete class specialization
Suppose that you have several data objects that share some common fields and inherit from a base object.
class BaseProduct {
String productId;
String productType; // i.e. {A, B}.
}
class ConcreteProductA extends BaseProduct {
...
String…
codeWarrior0712
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1 answer
Force a derived class without implementing pure virtuals again
I have defined an interface class A which defines some basic functions. In my implementation I have a base class A0 which implements this interface and from this base class I have derived several other classes in a hierarchy.
#include…
Devolus
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Trying to avoid too much knowledge about a class in a different class
I need help with the design of an application that I am am writing. In the application employees can book their work within a project (the so called booking object). The booking objects optionally can have budgets. When the budget of a booking…
Yavuz
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vb.net - Object aggregation of inherited classes
I'm playing around with composition of a couple of objects.
I have two classes (Note and task). The Task class is derived from the Note class as a task is an extented note.
Each note has a property Property Child as list (of note) as a note or task…
Richard
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