32 lines
665 B
C++
32 lines
665 B
C++
//
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// Created by 29019 on 2019/12/17.
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//
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#ifndef GENERAL_SIGNLETON_H
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#define GENERAL_SIGNLETON_H
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#include <memory>
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#include <vector>
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using namespace std;
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template <typename T> class Singletone
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{
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public:
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static Singletone<T> Instance(){
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if(mInstance.get() == nullptr){
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mInstance = std::unique_ptr<T>();
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}
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return mInstance;
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}
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private:
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Singletone<T>(){};
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~Singletone<T>(){};
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Singletone &operator=(const Singletone&){};
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static unique_ptr<T> mInstance;
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};
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#define DECLARE_SINGLETON(type) \
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friend class unique_ptr<type> mInstacnePtr; \
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friend class Singletone<type> ;
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#endif //GENERAL_SIGNLETON_H
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