abstract factory pattern in matlab

The Abstract Factory pattern is used to provide an interface for creating families of related or dependent objects, without specifying their concrete classes. To implement this pattern in Matlab, you can create an abstract factory class that defines the interface for creating objects. Then, create concrete factory classes that implement this interface to create specific objects.

Here is an example implementation of the Abstract Factory pattern in Matlab:

main.m
% Abstract factory class
classdef AbstractFactory
    methods(Abstract)
        createProductA(obj)
        createProductB(obj)
    end
end

% Concrete factory class 1
classdef ConcreteFactory1 < AbstractFactory
    methods
        function productA = createProductA(obj)
            productA = ConcreteProductA1();
        end
        
        function productB = createProductB(obj)
            productB = ConcreteProductB1();
        end
    end
end

% Concrete factory class 2
classdef ConcreteFactory2 < AbstractFactory
    methods
        function productA = createProductA(obj)
            productA = ConcreteProductA2();
        end
        
        function productB = createProductB(obj)
            productB = ConcreteProductB2();
        end
    end
end

% Abstract product class A
classdef AbstractProductA
    methods(Abstract)
        operationA(obj)
    end
end

% Concrete product class A1
classdef ConcreteProductA1 < AbstractProductA
    methods
        function operationA(obj)
            fprintf('Concrete Product A1 Operation A\n');
        end
    end
end

% Concrete product class A2
classdef ConcreteProductA2 < AbstractProductA
    methods
        function operationA(obj)
            fprintf('Concrete Product A2 Operation A\n');
        end
    end
end

% Abstract product class B
classdef AbstractProductB
    methods(Abstract)
        operationB(obj)
    end
end

% Concrete product class B1
classdef ConcreteProductB1 < AbstractProductB
    methods
        function operationB(obj)
            fprintf('Concrete Product B1 Operation B\n');
        end
    end
end

% Concrete product class B2
classdef ConcreteProductB2 < AbstractProductB
    methods
        function operationB(obj)
            fprintf('Concrete Product B2 Operation B\n');
        end
    end
end

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In this example, the AbstractFactory class defines the interface for creating AbstractProductA and AbstractProductB objects. The ConcreteFactory1 and ConcreteFactory2 classes are concrete implementations of this interface that create specific products (ConcreteProductA1, ConcreteProductB1, ConcreteProductA2, and ConcreteProductB2).

To use this pattern, you can call the factory methods on the concrete factory objects to create the specific products. For example, to create a ConcreteProductA1 object using ConcreteFactory1, you can do:

main.m
factory = ConcreteFactory1();
productA = factory.createProductA();

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This will create a ConcreteProductA1 object and return it as productA. Similarly, to create a ConcreteProductB2 object using ConcreteFactory2, you can do:

main.m
factory = ConcreteFactory2();
productB = factory.createProductB();

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This will create a ConcreteProductB2 object and return it as productB.

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