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Abstract Factory

An Abstract Factory, also known as the "Abstract Factory Pattern," is a design pattern from the category of Creational Patterns in software development. The Abstract Factory allows for the creation of families of related or dependent objects without specifying their concrete classes explicitly. This pattern provides an interface for creating objects, with each concrete implementation of the interface creating a family of objects.

Here are some key concepts and characteristics of the Abstract Factory:

  1. Abstract Interface: The Abstract Factory defines an abstract interface (often referred to as the "Abstract Factory Interface") that declares a set of methods for creating various related objects. These methods are typically organized by types of objects or product families.

  2. Concrete Factory Implementations: There are various concrete factory implementations, each of which creates a family of related objects. Each concrete factory class implements the methods of the abstract factory interface to create objects.

  3. Product Families: The objects created by the Abstract Factory belong to a product family or group of related objects. These objects are designed to work well together and are often used in the same application or context.

  4. Replaceability: The Abstract Factory allows for the replaceability of product families. For example, if you want to switch from one concrete factory implementation to another, you can do so by swapping out the corresponding factory class without changing the rest of the code.

  5. Use Cases: The Abstract Factory is frequently used in scenarios where an application or system needs to create a family of related objects without knowing the exact classes of the objects. An example could be an application that creates different GUI components for different operating systems.

Abstract Factory provides a higher level of abstraction than the Factory Method and enables the creation of groups of cohesive objects, enhancing code cohesion and flexibility. This pattern also promotes the separation of interfaces from their implementations, making maintenance and extensibility easier.


Created 1 Year ago
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