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64 lines
1.3 KiB
64 lines
1.3 KiB
//
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// Copyright (c) 1997-2001 Microsoft Corporation, All Rights Reserved
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//
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#ifndef OBJECT_TREE_H
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#define OBJECT_TREE_H
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class CTreeElement
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{
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public:
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CTreeElement(LPCWSTR lpszHashedName, CRefCountedObject *pObject);
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~CTreeElement();
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LPCWSTR GetHashedName() const;
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CRefCountedObject *GetObject() const;
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CTreeElement *GetLeft() const;
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CTreeElement *GetRight() const;
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void SetLeft(CTreeElement *pNext);
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void SetRight(CTreeElement *pNext);
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private:
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LPWSTR m_lpszHashedName;
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CRefCountedObject *m_pObject;
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CTreeElement *m_pLeft;
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CTreeElement *m_pRight;
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};
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class CObjectTree
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{
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public:
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CObjectTree();
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~CObjectTree();
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BOOLEAN AddElement(LPCWSTR lpszHashedName, CRefCountedObject *pObject);
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BOOLEAN DeleteElement(LPCWSTR lpszHashedName);
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BOOLEAN DeleteLeastRecentlyAccessedElement();
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CRefCountedObject *GetElement(LPCWSTR lpszHashedName);
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void DeleteTree();
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DWORD GetNumberOfElements() const
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{
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return m_dwNumElements;
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}
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private:
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CTreeElement *m_pHead;
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// The number of elements in the tree currently
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DWORD m_dwNumElements;
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// A critical section object for synchronizing modifications
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CRITICAL_SECTION m_ModificationSection;
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// Private fucntions for recursive calls
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void DeleteSubTree(CTreeElement *pRoot);
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CRefCountedObject * GetLeastRecentlyAccessedElementRecursive(CTreeElement *pElement);
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};
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#endif /* OBJECT_TREE_H */
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