?? item.h
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/*---------------------------------------------------------------------- File : item.h Contents: itemset management Author : Bart Goethals Update : 4/4/2003 ----------------------------------------------------------------------*/#include <set>using namespace std;class Item;class Item_{ public: Item_(); ~Item_(); int id; int supp; set<Item> *children; Item_ *parent; Item_ *nodelink;};class Item{ public: Item(int s, Item_ *p); Item::Item(const Item& i); ~Item(); int getId() const {return item->id;} int getSupport() const {return item->supp;} set<Item> *getChildren() const {return item->children;} set<Item> *makeChildren() const; Item_ *getItem() const {return item;} Item_ *getNext() const {return item->nodelink;} void setNext(Item_ *i) const {item->nodelink = i;} bool isFrequent(int ms) const {return item->supp >= ms;} void Increment(int i=1) const {item->supp += i;} void removeChildren() const; bool operator< (const Item &i) const {return getId() < i.getId();} private: Item_ *item;};?? 快捷鍵說明
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