/* Web Polygraph       http://www.web-polygraph.org/
 * (C) 2003-2006 The Measurement Factory
 * Licensed under the Apache License, Version 2.0 */

#ifndef POLYGRAPH__RUNTIME_STATPHASEMGR_H
#define POLYGRAPH__RUNTIME_STATPHASEMGR_H

#include "xstd/Array.h"
#include "runtime/StatIntvl.h"

class StatPhase;

// iterates through stat phases
// flushes all sats and terminates program when the last phase is over
class StatPhaseMgr {
	public:
		StatPhaseMgr();
		~StatPhaseMgr();

		void addPhase(StatPhase *ph);
		void start();

		StatPhase *operator ->() { return thePhase; }
		StatPhase *operator *() { return thePhase; }
		int phaseSyncPos() const;

		void forceFlush();
		void noteDone(StatPhase *ph);

		void reportCfg(ostream &os) const;

	protected:
		void nextPhase();

	protected:
		Array<StatPhase*> thePhases; // all phases are stored here
		StatPhase *thePhase; // current phase, thePhases[thePhaseIdx]
		int thePhaseIdx;
};

extern StatPhaseMgr TheStatPhaseMgr;

#endif