// Apriori.h: interface for the CApriori class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_APRIORI_H__964C88FF_476F_46BA_B7A0_5D8C65403BB9__INCLUDED_)
#define AFX_APRIORI_H__964C88FF_476F_46BA_B7A0_5D8C65403BB9__INCLUDED_

#include "List.h"
#include "itemSet.h"

class CApriori{

public:

    double m_minSupport;
    long necSupport;

	int pagenum;

    List *m_Ls;

    List *m_samples;
    long m_sampleNum;
    
    CApriori()
    {
        m_minSupport = 0.1;
        m_Ls = (List *)new List();
    };

    ~CApriori()
    {
        delete(m_Ls);
    };
    
    void setsupport(double minsupport)
    {
        m_minSupport = minsupport;
    };

    void FindLargeItemSets(List *instances);
    List *singletons();

    List *selfjoin(List *in, int size);
    bool prune(List *in, itemSet *attend, int size);

    itemSet *join(itemSet *first, itemSet *attend, int size);
    bool check(itemSet *first, itemSet *attend, int size);
};


#endif // !defined(AFX_APRIORI_H__964C88FF_476F_46BA_B7A0_5D8C65403BB9__INCLUDED_)