Secure Access Control and Large Scale Robust Representation for Online Multimedia Event Detection

Algorithm 2

Basic classes for the TPSAC model.

class TAccessBTree {

 private: static TAccessBTree *m_pBTree;

    int m_rID; TNode *m_pRoot;

    bool CreateTree(TNode *root);

    bool SetState(int state_id); …

 public:  static TAccessBTree*

     getInstance(int, char*);

    bool LocateRes(int, PPS&*); …

};

class TNode {public: int id; PPS* pps; TNode

    *firstchild; TNode *nextsibling; …};