All Questions
13 questions
1vote
2answers
217views
physical simulation: design thoughts
I'm an applied physics student and currently working on a simulation of the magnetic interactions of multiple protons within a protein. Me having only little experience with programming and almost ...
- 17
0votes
2answers
177views
Encoding const-ness on interfaces. Readers - Writers vs Const wrapper
This question is based on this separate question on stack overflow. I have a very low-level structure meant to compactly save presets on flash memory. For simplicity I am going to use stored_record as ...
1vote
1answer
262views
Decoupling from third party library
I'm doing a project in PHP and I'm implementing Aggregates and Event Sourcing. In order to avoid coding up all the logic related with ES myself I've decided to use a third party library called ...
- 21
0votes
2answers
1kviews
Add method to interface for only one implementation
I have a factory for an interface with different implementations. But one implementation needs an extra method which the others don't need. How do I solve this without implementing "not implemented ...
- 101
0votes
1answer
174views
software design for a class utilizing many different services
I am trying to model a design for a C# project. Trying to follow the SOLID principles, this is what I've got so far: SDKClient class which has three (for this explanation) important properties (...
3votes
1answer
184views
Leo Brodie's "Interface Component"
On page 85 of Leo Brodie's book, Thinking Forth, he describes a component which he calls the "Interface Component." He describes its differences from, and benefits over a standard interface ...
- 151
16votes
2answers
2kviews
Principle of least astonishment (POLA) and interfaces
A good quarter of a century ago when I was learning C++, I was taught that interfaces should be forgiving and as far as possible not care about the order that methods were called since the consumer ...
- 9,833
2votes
1answer
617views
Define an object with the interface as a type instead of class name [duplicate]
I try to practice with the design patterns and explore one of the possible implementations of the Observer Design Pattern in Java. I paid attention, that in this example the object is defined with the ...
- 135
-4votes
2answers
192views
Advantages of these recommendations in ooprogramming using Java
Below are the recommendation from section 5.1 of this essay. While Java is not a pure object-oriented language, it is possible to program in a pure object-oriented style by obeying the following ...
- 2,305
3votes
1answer
1kviews
Creating an interface just to decouple from third party libraries
I'm currently developing the Authorization module on a framework of mine. I have the following class so far: public interface IAuthorizationManager<C> where C : ...
9votes
4answers
5kviews
How to force "program to an interface" without using a java Interface in java 1.6
In java 1.8 they have wonderful new "default interface methods". In 1.6 how close can we come? The goal: use code to keep clients from being able to tell that a class is not a java interface. If we ...
- 118k
1vote
1answer
1kviews
Static methods vs Interface implementation
Here is my problem: I stared to create an e-commerce web site info collector. So I created a parser for each site. The parser class is stateless. I have got methods like: getItemPrice(WebElement ...
- 237
1vote
1answer
2kviews
How to generalize a classes that has identical function plus some additional function
I have some designing problems with my project. To illustrate my problem, I'll use the following two classes from my project. public class RAM_UserManagement{ private Map<int,User> userList; ...
- 111
