101 lines
2.0 KiB
Markdown
101 lines
2.0 KiB
Markdown
# t00020 - Abstract factory pattern
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## Config
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```yaml
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compilation_database_dir: ..
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output_directory: puml
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diagrams:
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t00020_class:
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type: class
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glob:
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- ../../tests/t00020/t00020.cc
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using_namespace:
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- clanguml::t00020
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include:
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namespaces:
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- clanguml::t00020
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plantuml:
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after:
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- '@A(ProductA1) <.. @A(Factory1)'
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- '@A(ProductB1) <.. @A(Factory1)'
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- '@A(ProductA2) <.. @A(Factory2)'
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- '@A(ProductB2) <.. @A(Factory2)'
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```
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## Source code
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File t00020.cc
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```cpp
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#include <memory>
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namespace clanguml {
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namespace t00020 {
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class ProductA {
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public:
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virtual ~ProductA() = default;
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virtual bool sell(int price) const = 0;
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};
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class ProductA1 : public ProductA {
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public:
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bool sell(int price) const override { return price > 1000; }
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};
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class ProductA2 : public ProductA {
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public:
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bool sell(int price) const override { return price > 2000; }
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};
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class ProductB {
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public:
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virtual ~ProductB() = default;
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virtual bool buy(int price) const = 0;
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};
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class ProductB1 : public ProductB {
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public:
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bool buy(int price) const override { return price < 1000; }
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};
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class ProductB2 : public ProductB {
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public:
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bool buy(int price) const override { return price < 2000; }
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};
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class AbstractFactory {
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public:
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virtual std::unique_ptr<ProductA> make_a() const = 0;
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virtual std::unique_ptr<ProductB> make_b() const = 0;
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};
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class Factory1 : public AbstractFactory {
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public:
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std::unique_ptr<ProductA> make_a() const override
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{
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return std::make_unique<ProductA1>();
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}
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std::unique_ptr<ProductB> make_b() const override
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{
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return std::make_unique<ProductB1>();
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}
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};
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class Factory2 : public AbstractFactory {
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public:
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std::unique_ptr<ProductA> make_a() const override
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{
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return std::make_unique<ProductA2>();
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}
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std::unique_ptr<ProductB> make_b() const override
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{
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return std::make_unique<ProductB2>();
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}
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};
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}
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}
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```
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## Generated UML diagrams
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