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