Abstract Factory Design Pattern Journaldev
Difference between factory pattern and.
Abstract factory design pattern journaldev. We will look into following topics. Use the abstract factory pattern when clients must be decoupled from product classes. I recently uploaded a video on youtube for abstract factory design pattern. Abstract factory patterns work around a super factory which creates other factories.
Factory design pattern super class. Abstract factory design pattern video tutorial. When to use abstract factory design pattern 2. Abstract factory pattern is almost similar to factory pattern is considered as another layer of abstraction over factory pattern.
When to use the abstract factory pattern. The abstract factory design pattern solves problems like. For our factory design pattern example we have abstract super class with overridden tostring method for testing purpose. The abstract factory pattern can also enforce constraints about which classes must be used with others.
Object creation has been abstracted and there is no need for hard coded class names in the client code. A factory is simply an object that creates other objects. Super class in factory design pattern can be an interface abstract class or a normal java class. Abstract factory design pattern is a creational design pattern.
In the video i discuss when and how to implement an abstract factory pattern. This type of design pattern comes under creational pattern as this pattern provides one of the best ways to create an object. Structural code in c. Over time the abstract factory and factory method patterns have merged into a more general pattern called factory.
Abstract factory patterns work around a super factory which creates other factories. Abstract factory defines an interface for creating all distinct products but leaves the actual product creation to concrete factory classes. Abstract factory design pattern is one of the creational pattern. Note that this pattern is also known as factory method design pattern.
Especially useful for program configuration and modification. You may be wondering why you would want to leave the responsibility of the construction of objects to others rather than simply calling a constructor function with the new keyword directly. It may be a lot of work to make new concrete factories. The abstract factory design pattern is one of the twenty three well known gof design patterns that describe how to solve recurring design problems to design flexible and reusable object oriented software that is objects that are easier to implement change test and reuse.
This factory is also called as factory of factories.