Object interfaces allow you to create code which specifies which methods a class must implement, without having to define how these methods are handled.

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3
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1answer
58 views

How to provide best integrity for interfaces in C#?

I am trying to apply Interface principles into my code, learn by practice method. I have a CRM system that has Notes, Payments, DairyEvents and anything else that needs to be bolt on over time. I ...
2
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0answers
25 views

Interface for a tree node in Qt

I have the following C++ interface (in Qt) for a tree node, inspired somewhat by Valve's implementation of a culling octree: ...
9
votes
1answer
67 views

DataLayer Interfaces Genericized

I have some concerns on my refactoring for the data layer in my current Project. Just for a small info, I am currently building a CRM as "training JEE application". But enough of talk, let's talk ...
4
votes
1answer
29 views

Binary relation interface

I'm trying to design a binary relation interface in Java and then implement it, but I'm not sure if I'm doing it right. I'd really appreciate a little feedback just so I know if I'm way in the wrong ...
6
votes
2answers
656 views

Empty Interface usage - is this a code smell?

I've recently made a set of interfaces/classes to work with converting a spreadsheet into an object but I utilise an empty interface in my design: So first off I have my interface which defines what ...
4
votes
3answers
159 views
5
votes
1answer
110 views

How do I extract interfaces from existing similar classes?

I have about 11 singleton-esque classes divided over a dozen files: the first file is one that gathers all singleton definitions and makes them callable on a request scope: ...
6
votes
1answer
132 views

Variadic templates and pointers to member functions to achieve a named-parameters interface in C++

I studied a bit and packed all the suggestions that I received here: Fluent interface and polymorphism and I came up with this: ...
7
votes
6answers
513 views

Fluent interface and polymorphism

EDIT: For further improvements see the related question: Variadic templates and pointers to member functions to achieve a named-parameters interface in C++ I would like to improve the interfaces of ...
0
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2answers
51 views

Interface of an authorization subsystem [closed]

I need to just design the interface of an authorization subsystem. This is what I have so far. What else would you suggest or change in the interface? For example, HR can see everyone but not their ...
2
votes
1answer
48 views

Backend interface VS hard contract

Here is an API for using a warehouse: ...
4
votes
1answer
72 views

Python model for a “snake”-like game

I wrote a python model for the game "snake" that I'm not really satisfied with. My intention was to separate the game logic from the drawing and input handling (which worked quite well) but I've got ...
1
vote
0answers
121 views

Interfaces and Classes between Projects

My application's structure looks like this: Solution: MySolution Projects in MySolution: Host, Business, Server. References between the projects looks like this: Host <-- Business --> Server ...
1
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1answer
83 views

How to deal with interface inheritance and common properties? [closed]

I'm trying to design a generic caching system that takes keyed items and allows either read-only or read-write access to a cached version of it. The read-only backing interface is: ...
1
vote
1answer
246 views

Can someone review my doubly linked list?

Here is the implementation with the interface below: ...
1
vote
1answer
71 views

Call all methods in the interface [closed]

I have an interface and I need to call all methods in this interface: My interface design: ...
1
vote
1answer
111 views

Empty abstract class enforce structure

I've been looking into empty abstract classes and from what I have read, they are generally bad practice. I intend to use them as the foundation for a small search application that I am writing. I ...
0
votes
2answers
53 views

the right way to write javascript client's method for channel subscribing

I am writing an open-source application for real-time messaging in web. In my application clients from browser can subscribe on channels. But every channel belongs to a certain namespace which ...
2
votes
1answer
186 views

Common interface but need to have different return types

I was suggested to move my question from Stack Overflow to here. I didn't know about CodeReview, so because it's my first post I would like to say "Hello". So now, let's come to the issue... I am ...
2
votes
2answers
1k views

Interface programming with Data Access Layer

I have several controls that are bound from database tables. Putting my OOP thinking cap on I figured since all of the controls will have a SqlCommand name and an ...
1
vote
1answer
110 views

Proper implementation of generic repository

What can be done better in this code? I am sure it's not missing much. You can copy and paste the whole thing in LinqPad; it's all there. ...
0
votes
1answer
236 views

Defining a Constructor In an Interface Java? [closed]

I have multiple different implementations of an object, which implement this custom interface I made called Board. ...
-1
votes
1answer
362 views

Log4Net Wrapper with some error potential [closed]

Some time ago, I found the following log4net wrapper here But I think it is errorprone (in case of threading, could there be deadlocks?) and the public interface seems to be too wide. What to do ...
3
votes
1answer
99 views

Review of 2d Vector class

I'll keep this short. I've never actually done professional C++. I don't really know any of the 'best practices'. I'd like to get some review on a simple class that I've made. My Vector2d.h file: ...
5
votes
2answers
480 views

Generic Task Blocking Queue

A generic blocking queue has the following properties: It is thread-safe. It allows queuing and de-queuing of items of a certain type (T). If a de-queue operation is performed and the ...
0
votes
2answers
744 views

Singleton interface in Java

I've created a singleton by means of an interface. I don't want to make a thing with getInstance() etc because I don't care about inheritance, and it's redundant ...
7
votes
1answer
681 views

Interface using for decoupling

I am studying about how to use interface for decoupling. As I studied I wrote a program. I am pasting my code below. Does my program actually implemented decoupling ?. Is there any modification to ...
2
votes
4answers
209 views

Understanding Interface

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2
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0answers
109 views

jQuery plugin boilerplate jquib - critics please

Inspired by jqueryboilerplate.com I extended their boilerplate to fit my needs. Comming from the PHP development I wanted to have good starting point for writing jQuery plugins with a defined ...
4
votes
3answers
355 views

Is this interface too “god-like?”

I have an MVC framework I've written. I'm trying to abstract out ASP.Net specific bits as well as make it more testable. Previously, I relied on HttpContext.Current ...
3
votes
3answers
118 views

Test Driving Interface Design [closed]

I have been doing TDD since I have started my first job out of university (about 5 months ago), most of which is working with legacy code. I started a personal project today and thought I would TDD ...
2
votes
1answer
224 views

Have I implemented the command pattern correctly?

This is my command interface public interface IConverter { void convert(); } This is my Receiver class ...
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vote
2answers
463 views

What design pattern to use on this case

I have this code that converts audio to different file formats. ...