#ifndef __UINDEX_HPP
#define __UINDEX_HPP

#include "recfile.hpp"

class File;
struct UniqueIndex_Record;
class UniqueIndex {
public:
	UniqueIndex(unsigned keyLength);
	~UniqueIndex();

	int open(File *fp);
	int create(File *fp);

	int insert(const void *key, long data);
	int exists(const void *key);
	int get(const void *key, long *data);
	int remove(const void *key);

private:
	unsigned keylen;
	char *tmpkeybuffer;
	unsigned recordSize;
	UniqueIndex_Record *tmprec1,*tmprec2;
	RecordFile file;

	RecordID getTop();
	void setTop(RecordID rid);
};

#endif