/data3/calcul/jacquem/working_dir/Micromegas/micromegasFrameWork/src/lcio/Count.cpp

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/* @version $Revision: 1328 $ * @modifiedby $Author: jacquem $ * @lastmodified $Date: 2011-10-03 17:04:17 +0200 (Mon, 03 Oct 2011) $ */
#include "lcio/Count.hh"
#include "lcio.h"

#include "IO/LCReader.h"
#include "IO/LCEventListener.h"
#include "IO/LCRunListener.h"

#include "EVENT/LCIO.h"


#include "tools/MicroException.hh"


#include <iostream>
#include <algorithm>

using namespace std ;
using namespace lcio ;


  
  Count::Count(const string _filename):counter(0), compute(false)
  {
    // Verify events number 

    LCReader* lcReader = LCFactory::getInstance()->createLCReader() ;
    lcReader->open(_filename);
    // registere processor to LCReader
    lcReader->registerLCEventListener( this ) ;
        lcReader->readStream() ;
  }
  
  Count::~Count(){
  }
  
  void Count::processEvent( LCEvent * evt ) { /* used for 'read only' access*/ 

    counter++ ;
        compute = true;
  }

  unsigned int Count::getNumberOfEvent()
  {
        if ( !compute )
        {
                 throw MicroException("Number of event not compute yet");
        }

        return counter;
  }

/*
  void Count::modifyEvent( LCEvent * evt ) {

    // here we can modify existing objects that have been read from a stream:
        // get first list element
        int difEvtId = syncEvtId.front();
        // erase first list element
        syncEvtId.pop_front();
        evt->parameters().setValue("Dif_syncro",difEvtId ) ;
    cout << "Write Event[" << evt->getEventNumber() << "] \r" << flush;

  }
  

  void Count::processRunHeader( LCRunHeader* run){

    // just copy run headers to the outputfile
    lcWrt->writeRunHeader( run ) ;
        cout << "Write Run Header"<< endl;
  }

  void Count::modifyRunHeader(LCRunHeader* run){
*/

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