C++ 引用计数类模板
【摘要】
引用计数类模板
template<typename T>class CRSIRefCnt{public: CRSIRefCnt() : m_pstObject(NULL) { } CRSIRefCnt(T* pstObject) : m_pstObject(pstObject) { ...
引用计数类模板
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template<typename T>
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class CRSIRefCnt
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{
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public:
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CRSIRefCnt() :
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m_pstObject(NULL)
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{
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}
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CRSIRefCnt(T* pstObject) :
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m_pstObject(pstObject)
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{
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if(m_pstObject)
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{
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m_pstObject->AddRef();
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}
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}
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CRSIRefCnt(const CRSIRefCnt<T>& stOther) :
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m_pstObject(stOther.m_pstObject)
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{
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if (m_pstObject)
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m_pstObject->AddRef();
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}
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~CRSIRefCnt()
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{
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if (m_pstObject)
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m_pstObject->Release();
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}
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CRSIRefCnt<T>& operator=(const CRSIRefCnt<T>& stOther)
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{
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if (this != &stOther && *this != stOther)
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{
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if (m_pstObject)
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m_pstObject->Release();
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m_pstObject = stOther.m_pstObject;
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if (m_pstObject)
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m_pstObject->AddRef();
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}
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return *this;
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}
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bool operator==(const CRSIRefCnt<T>& stOther) const
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{
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return m_pstObject == stOther.m_pstObject;
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}
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bool operator!=(const CRSIRefCnt<T>& stOther) const
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{
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return m_pstObject != stOther.m_pstObject;
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}
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const T& operator*() const
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{
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return *m_pstObject;
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}
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T& operator*()
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{
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return *m_pstObject;
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}
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const T* operator->() const
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{
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return m_pstObject;
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}
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T* operator->()
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{
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return m_pstObject;
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}
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bool IsValid() const
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{
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return m_pstObject != NULL;
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}
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private:
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T* m_pstObject;
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};
文章来源: yujiang.blog.csdn.net，作者：鱼酱2333，版权归原作者所有，如需转载，请联系作者。
原文链接：yujiang.blog.csdn.net/article/details/60742181
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