ProcessorEventSeeder.h

#ifndef PROCESSOREVENTSEEDER_H
#define PROCESSOREVENTSEEDER_H 1

#include "lcio.h"
#include "EVENT/LCEvent.h"
#include <map>

using namespace lcio ;

namespace marlin{

  class ProcessorMgr;  
  class Processor;

  class ProcessorEventSeeder {
    
  public:

    friend class ProcessorMgr;

    ~ProcessorEventSeeder() { } ;
    
    void registerProcessor( Processor* proc ) ;
 
    unsigned int getSeed( Processor* proc ) ;
 
  private:

    ProcessorEventSeeder() ;

    void refreshSeeds( LCEvent * evt ) ;
    
    ProcessorEventSeeder(const ProcessorEventSeeder&);  // prevent copying
    ProcessorEventSeeder& operator=(const ProcessorEventSeeder&); // prevent assignment

    int _global_seed ;

    bool _global_seed_set ;

    bool _eventProcessingStarted ;

    std::map<Processor*, unsigned int> _seed_map ;

  } ;

} // end namespace marlin 
#endif