Questions about interface related design considerations, such as programming to the interface.

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Using interfaces as part of encapsulation

I'm creating interfaces for a number of our existing classes for mocking reasons. Many of these classes also have package scope methods as an attempt to give some level of encapsulation by ensuring ...
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1answer
91 views

Interface hierarchy design for separate domains

There are businesses and people. People could be liked and businesses could be commented on: class Like class Comment class Person implements iLikeTarget class Business implements iCommentTarget ...
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90 views

Naming interfaces for persistent values

I have 2 distinct types of persistent values that I'm having trouble naming well. They're defined with the following Java-esque structure, borrowing Guava's Optional for the example and using generic ...
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0answers
55 views

Designing module interfaces

I'm studying software engineering and one thing I'm really trying to improve is my skill in software architecture. My question is quite broad, so I'll try to explain it with an example. Suppose you ...
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The inheritance argument of zope.interface (providedby vs isinstance)

What limitations does inheritance of an interface through an abstract base class present that are addressed by zope.interface? In the following talk given in 2010 by Jeff Rush about interfaces, at ...
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0answers
137 views

ActiveX, OLE, COM explanation or informative links

I've been programming a lot with C# on Visual Studio and many minor/other languages, but I'm having a really hard time to get the grasp of ActiveX, OLE, COM interfaces. All I got is that they're like ...
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What should I do with too much interfaces needed for a dialog

Let me start by doing a small summary of the changes we did in our code in the last year. We have a software (VERY big) that is used to visualize multiples underground networks, enter data in the ...
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67 views

Study on designing user prompts (choice of wording, response format, etc.)

Sometimes there are different ways to ask a user the same question. For example, if the user tries to exit a program without saving their file, you can ask either of these questions: Are you sure ...
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Software Architecture and MEF composition location

Introduction My software (a bunch of webapi's) consist of 4 projects: Core, FrontWebApi, Library and Administration. Library is a code library project that consists of only interfaces and ...
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Pattern or solution for using classes with different interface the same way

What I would like to achieve is to use classes (now two, later more) with different interface the same way, so I would like avoid using decisions based on the interface on upper levels for instance, I ...
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131 views

Where are the Interface information stored?

I would like to know whether the information in an interface such as the variables which are final and the methods which are abstract and static would all live in method area ??? And what would be ...