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/// \file persistency/P01/src/ExP01EventAction.cc
/// \brief Implementation of the ExP01EventAction class
//
//
// $Id: ExP01EventAction.cc 71791 2013-06-24 14:08:28Z gcosmo $
//
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#include "ExP01EventAction.hh"

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

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ExP01EventAction::ExP01EventAction()
: G4UserEventAction()
{}

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ExP01EventAction::~ExP01EventAction()
{}

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void ExP01EventAction::BeginOfEventAction(const G4Event*)
{}

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void ExP01EventAction::EndOfEventAction(const G4Event* evt)
{
  G4int event_id = evt->GetEventID();
  
  // get number of stored trajectories
  //
  G4TrajectoryContainer* trajectoryContainer = evt->GetTrajectoryContainer();
  G4int n_trajectories = 0;
  if (trajectoryContainer) n_trajectories = trajectoryContainer->entries();
  
  // periodic printing
  //
  if (event_id < 100 || event_id%100 == 0) {
    G4cout << ">>> Event " << evt->GetEventID() << G4endl;
    G4cout << "    " << n_trajectories 
           << " trajectories stored in this event." << G4endl;
  }
}

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