data.h

使用C++STL实现的关联规则挖掘Apriori算法

/*----------------------------------------------------------------------
  File     : Data.h
  Contents : data set management
  Author   : Bart Goethals
  Update   : 4/4/2003
----------------------------------------------------------------------*/

#include <stdio.h>

class Transaction
{
public:
	
	Transaction(int l) : length(l) {t = new int[l];}
	Transaction(const Transaction &tr);
	~Transaction(){delete [] t;}
	
	int length;
	int *t;
};

class Data
{
 public:
	
	Data(char *filename, int t=0);
	~Data();
	
	Transaction *getNext();

 private:
	
	Transaction *getNextAs();
	Transaction *getNextAsFlat();
	Transaction *getNextAsQuest();
	Transaction *getNextBin();
	
	FILE *in;
	char *fn;
	int current;
	int type;
};