DCustomAction_HistMass_b1_1235.h

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// $Id$
//
//    File: DCustomAction_HistMass_b1_1235.h
// Created: Mon Dec  2 12:18:47 EST 2013
// Creator: pmatt (on Darwin pmattLaptop 10.8.0 i386)
//

#ifndef _DCustomAction_HistMass_b1_1235_
#define _DCustomAction_HistMass_b1_1235_

#include <string>
#include <iostream>

#include "TH1I.h"

#include "JANA/JEventLoop.h"
#include "JANA/JApplication.h"

#include "ANALYSIS/DAnalysisAction.h"
#include "ANALYSIS/DReaction.h"
#include "ANALYSIS/DParticleCombo.h"
#include "ANALYSIS/DAnalysisUtilities.h"

using namespace std;
using namespace jana;

class DCustomAction_HistMass_b1_1235 : public DAnalysisAction
{
   public:

      DCustomAction_HistMass_b1_1235(const DReaction* locReaction, bool locUseKinFitResultsFlag, string locActionUniqueString = "") : 
      DAnalysisAction(locReaction, "Custom_HistMass_b1_1235", locUseKinFitResultsFlag, locActionUniqueString) {}

      void Initialize(JEventLoop* locEventLoop);

   private:

      bool Perform_Action(JEventLoop* locEventLoop, const DParticleCombo* locParticleCombo);
      void Reset_NewEvent(void){dPastParticles.clear();}

      // Optional: Useful utility functions.
      const DAnalysisUtilities* dAnalysisUtilities;

      //Store any histograms as member variables here
      TH1I* dMassHist;

      //Used for determining when the group of particles used for the invariant mass is identical to a previous combo (to prevent double counting)
      deque<set<const DKinematicData*> > dPastParticles;
};

#endif // _DCustomAction_HistMass_b1_1235_