/*----------------------------------------------------------------------  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;};