// $Id$
//
//    File: JEventProcessor_diphoton.h
// Created: Sun Nov 23 11:01:46 EST 2014
// Creator: hdcdcops (on Linux gluon47.jlab.org 2.6.32-358.23.2.el6.x86_64 x86_64)
//

#ifndef _JEventProcessor_diphoton_
#define _JEventProcessor_diphoton_

#include <JANA/JEventProcessor.h>
#include <PID/DNeutralParticle.h>
#include <PID/DNeutralParticleHypothesis.h>
#include <TRACKING/DTrackCandidate.h>

#include "TH2I.h"
#include "TH1I.h"
#include "TDirectory.h"

class JEventProcessor_diphoton:public jana::JEventProcessor{
	public:
		JEventProcessor_diphoton();
		~JEventProcessor_diphoton();
		const char* className(void){return "JEventProcessor_diphoton";}

	private:
		jerror_t init(void);						///< Called once at program start.
		jerror_t brun(jana::JEventLoop *eventLoop, int runnumber);	///< Called everytime a new run number is detected.
		jerror_t evnt(jana::JEventLoop *eventLoop, int eventnumber);	///< Called every event.
		jerror_t erun(void);						///< Called everytime run number changes, provided brun has been called.
		jerror_t fini(void);						///< Called after last event of last event source has been processed.
		TH2I *hInvMass;
		TH2I *hInvMassVsNNeutral;
};

#endif // _JEventProcessor_diphoton_