// $Id$
//
//    File: JEventProcessor_pipolarization.h
// Created: Tue Apr 17 08:12:00 EDT 2012
// Creator: davidl (on Darwin genmacbook-wireless.jlab.org 11.3.0 i386)
//

#ifndef _JEventProcessor_pipolarization_
#define _JEventProcessor_pipolarization_

#include <pthread.h>

#include <JANA/JEventProcessor.h>
#include <TTree.h>

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

		typedef struct {
			float t;
			float phi_pipi;
			float theta;
			float psi;
			float Wpipi;
		}KinematicInfo_t;
	
		TTree *thrown_tree;
		KinematicInfo_t kinfo;
	
	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.
		
		pthread_rwlock_t root_lock;
};

#endif // _JEventProcessor_pipolarization_