mirror of
https://github.com/rjNemo/design-patterns
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34 lines
1,001 B
Python
34 lines
1,001 B
Python
from AbstractFactory import AbstractFactory
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from products import (
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ConcreteProductA1,
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ConcreteProductA2,
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ConcreteProductB1,
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ConcreteProductB2,
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)
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class ConcreteFactory1(AbstractFactory):
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"""
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Concrete Factories produce a family of products that belong to a single
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variant. The factory guarantees that resulting products are compatible.
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Note that signatures of the Concrete Factory's methods return an abstract
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product, while inside the method a concrete product is instantiated.
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"""
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def create_product_a(self) -> ConcreteProductA1:
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return ConcreteProductA1()
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def create_product_b(self) -> ConcreteProductB1:
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return ConcreteProductB1()
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class ConcreteFactory2(AbstractFactory):
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"""
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Each Concrete Factory has a corresponding product variant.
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"""
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def create_product_a(self) -> ConcreteProductA2:
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return ConcreteProductA2()
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def create_product_b(self) -> ConcreteProductB2:
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return ConcreteProductB2()
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