C Abstract Factory Pattern Example

The following uml class diagram explains how the abstract factory fits with the rest.

C abstract factory pattern example. Download sample 11 kb. The following is example of abstract factory design pattern. Abstract factory pattern provides a framework that allows to create objects that follows a pattern. So at runtime abstract factory is coupled.

Uml class diagram example for the abstract factory design pattern. Factory imagine you are constructing a house and you approach a carpenter for a door. Abstract factory pattern in useful when the client needs to create objects which are somehow related. The factory pattern suggests defining a creation services interface in a factory base class and implementing each platform in a.

Abstract factory design pattern in c back to abstract factory description. Here we are allocating the constructor responsibility to a factory object and then using inheritance and virtual member functions to provide a virtual constructor capability. Abstract factory design pattern is a part of creational pattern. Abstract factory pattern in c.

This article aims at understanding and implementing abstract factory pattern in c. Then you can make all variants of products follow those interfaces. Abstract factory is a creational design pattern which solves the problem of creating entire product families without specifying their concrete classes. Program tested on microsoft visual studio 2008 zahid ghadialy.

Up until now i never really used the factory pattern that often in c. From what are the differences between abstract factory and factory design patterns. You give the measurement. Think of constructors as factories that churn out objects.

So at runtime abstract factory is coupled with any desired concrete factory which can create objects of desired type. The abstract factory design pattern provides an interface for creating families of related or dependent objects without specifying their concrete classes. Recently i found a use for it in a project i was working on and since i found it useful for my purposes i thought i might share a tutorial on how the factory pattern can be used in c. The first thing the abstract factory pattern suggests is to explicitly declare interfaces for each distinct product of the product family eg chair sofa or coffee table.

Abstract factory pattern is almost similar to factory pattern and is considered to have a extra layer of abstraction over factory pattern. If we need to create the family of related or dependent objects then we can use abstract factory pattern. Before and after back to abstract factory description trying to maintain portability across multiple platforms routinely requires lots of preprocessor case statements.