//RankedSetDef.h ------ PUBLIC MEMBERS AND METHODS
#define memberType long
#define RAType double
#define largeRA HUGE_VAL
#define smallRA -HUGE_VAL
#define NULLmID -1L
#define NULLCursor NULL


struct RAandMID {
	RAType RM_rankingAtt;
	memberType RM_memberID;
};

class RankedSet;
class Cursor;

class RankedSet {
	
public:
	DestroyInstructionNE destroyInstructionNE;
	DestroyInstructionCC destroyInstructionCC;
 
	RankedSet();
	RankedSet(DestroyInstructionNE diNE , DestroyInstructionCC diCC);
	~RankedSet();
	long NrInSet(){return nrInSet;}
	RAType MinRA(){return minRA;}
	memberType MIDofMin(){return mIDofMin;}
	RAType MaxRA(){return maxRA;}
	memberType MIDofMax(){return mIDofMax;}
	fileReturnCode fileMemberIntoSet(RAType RA,memberType mID);
	RAandMID removeFirstFromSet();  //returns NULLmID if not ok
	RAandMID removeLastFromSet();  //returns NULLmID if not ok
	RAandMID removeFOrLFromSet(insertLocType ilt); //used by prior two
	removeReturnCode removeThisFromSet(RAType RA,memberType memberID);
	removeReturnCode removeThisFromSet(RAandMID);

	RAandMID findFirst(Cursor * cuPtr);
	RAandMID findLast(Cursor * cuPtr);
	RAandMID findFirstOrLast(Cursor * cuPtr, insertLocType ilt);
	RAandMID findEqual(Cursor * cuPtr, RAType ra, memberType mID);
	RAandMID findEqualOrHigher(Cursor * cuPtr, RAType ra, memberType mID);
	RAandMID findEqualOrLower(Cursor * cuPtr, RAType ra, memberType mID);
	removeReturnCode removeThisCursorFromSet(Cursor * cuPtr);

};	


class Cursor {

public:
	RAType Cu_rankingAtt(){return cu_rankingAtt;}
	memberType Cu_memberID(){return cu_memberID;}
	Cursor();
	~Cursor();
	Cu_Status CuState(){return cuState;}
	RAandMID findNext();
	RAandMID findPrior();
	RAandMID findNextOrPrior(direction d);
	
};