data.h

来自「FP-Growth算法」· C头文件 代码 · 共 35 行

#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;
};