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// $Id: B2EventAction.cc 75214 2013-10-29 16:04:42Z gcosmo $
//
/// \file B2EventAction.cc
/// \brief Implementation of the B2EventAction class

#include "B2EventAction.hh"

#include "G4Event.hh"
#include "G4EventManager.hh"
#include "G4TrajectoryContainer.hh"
#include "G4Trajectory.hh"
#include "G4ios.hh"

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B2EventAction::B2EventAction()
: G4UserEventAction()
{}

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B2EventAction::~B2EventAction()
{}

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void B2EventAction::BeginOfEventAction(const G4Event*)
{}

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void B2EventAction::EndOfEventAction(const G4Event* event)
{
  // get number of stored trajectories

  G4TrajectoryContainer* trajectoryContainer = event->GetTrajectoryContainer();
  G4int n_trajectories = 0;
  if (trajectoryContainer) n_trajectories = trajectoryContainer->entries();

  // periodic printing

  G4int eventID = event->GetEventID();
  if ( eventID < 100 || eventID % 100 == 0) {
    G4cout << ">>> Event: " << eventID  << G4endl;
    if ( trajectoryContainer ) {
      G4cout << "    " << n_trajectories
             << " trajectories stored in this event." << G4endl;
    }
    G4VHitsCollection* hc = event->GetHCofThisEvent()->GetHC(0);
    G4cout << "    "  
           << hc->GetSize() << " hits stored in this event" << G4endl;
  }
}  

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