#ifndef _DAnalysisActionEta_
#define _DAnalysisActionEta_

#include "TROOT.h"
#include "TDirectoryFile.h"
#include "TH1D.h"
#include "TH2D.h"

#include "JANA/JEventLoop.h"
#include "DANA/DApplication.h"

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

using namespace std;
using namespace jana;

class DAnalysisActionEta : public DAnalysisAction
{
  public:
    DAnalysisActionEta(const DReaction* locReaction, string locActionUniqueString = "4gamma") :
    DAnalysisAction(locReaction, "Eta", false, locActionUniqueString){}

  private:
    bool Perform_Action(JEventLoop* locEventLoop, const DParticleCombo* locParticleCombo);
    void Initialize(JEventLoop* locEventLoop);

    unsigned int myevt;


    //define any histograms here
    TH1D *Htwo_gamma_mass,*Heta_pi0_mass,*Hpi0_pi0_mass;
    TH2D *Hpi0g_dalitz;
    TH1D *Hpi0_two_gamma_mass;
};

#endif // _DAnalysisActionEta_