user
48 lines
1.4 KiB
C++
48 lines
1.4 KiB
C++
#ifndef FACTORY_ABSTRACT_H
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#define FACTORY_ABSTRACT_H
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#include "../Function/abstract.h"
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#include "../Algorithm/abstract.h"
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BEGIN_NAMESPACE(BusinessLogic)
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BEGIN_NAMESPACE(Hash)
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BEGIN_NAMESPACE(Factory)
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class Abstract
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{
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public:
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/*
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* I used to use a constant link. This led to UB.
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*
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* https://eel.is/c++draft/class.temporary#6 (27.10.2021)
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*
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* The exceptions to this lifetime rule are:
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* (6.9) A temporary object bound to a reference parameter in a function call ([expr.call]) persists until the completion of the full-expression containing the call.
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*/
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using AFC_type = std::shared_ptr<Function::Abstract::Creator>;
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using AAC_type = std::shared_ptr<Algorithm::Abstract::Creator>;
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protected:
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AFC_type m_functionCreator;
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AAC_type m_algorithmCreator;
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protected:
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Abstract(AFC_type functionCreator, AAC_type algorithmCreator)
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: m_functionCreator(functionCreator), m_algorithmCreator(algorithmCreator)
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{
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}
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public:
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using AFP_type = Function::Abstract::Product;
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using AAP_type = Algorithm::Abstract::Product;
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public:
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virtual const AFP_type &getFunction() const = 0;
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virtual std::unique_ptr<AAP_type> getAlgorithm() const = 0;
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};
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END_NAMESPACE // Factory
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END_NAMESPACE // Hash
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END_NAMESPACE // BusinessLogic
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#endif // !FACTORY_ABSTRACT_H
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