38 lines
830 B
C++
38 lines
830 B
C++
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#ifndef ADAPTER_HPP
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#define ADAPTER_HPP
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#include <random>
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// Target implementation to adapt to a new interface
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class Add {
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public:
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virtual ~Add() = default;
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virtual int doMath(const int &a, const int &b) const { return a + b;}
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};
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// An adaptee with some useful behavior to adapt to our Add target
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class RandomNumber {
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public:
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explicit RandomNumber(const int &max) : maxNum(max) { srand(time(nullptr));}
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int getRandom() const { return rand() % maxNum;}
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private:
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int maxNum;
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};
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// An adapter that combines behaviors of Add and RandomNumber
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class RandomAddAdapter : public Add {
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public:
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explicit RandomAddAdapter(RandomNumber *random_) : random(random_) {}
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int doMath(const int &a, const int &b) const override { return a + b + random->getRandom();}
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private:
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RandomNumber *random;
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};
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#endif // ADAPTER_HPP
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