#ifndef RANDOMFILTERMODULE_HH
#define RANDOMFILTERMODULE_HH

#include "Framework/APPFilterModule.hh"
#include "Framework/AbsParmBool.hh"
#include "Framework/AbsParmGeneral.hh"

// CHLEP Random number classes
class HepRandomEngine;
class RandFlat;


class RandomFilterModule : public AppFilterModule {

public:
  
  RandomFilterModule( const char* const theName, 
                     const char* const theDescription );
  
  virtual AppResult      beginJob( AbsEvent* aJob );
  virtual AppResult      beginRun( AbsEvent* aRun );
  virtual AppResult      event( AbsEvent* anEvent );
  virtual AppResult      endRun( AbsEvent* aRun );
  virtual AppResult      endJob( AbsEvent* aJob );
  virtual AppResult      abortJob( AbsEvent* aJob );

  virtual AppModule*     clone(const char* cloneName);

  virtual ~RandomFilterModule( );
    
private:
  // Pass Probability for Filter
  AbsParmGeneral<float> _PassProbability;
  // Random Number Seed
  AbsParmGeneral<long> _randomSeed;
  static const long _defaultRandomSeed;
  // Debug
  AbsParmGeneral<bool> _debug;
  // Random Number Generating Engine
  HepRandomEngine* _randomEngine;
  // Random Number Generator for Passing Throw
  RandFlat* _flatGenerator;  // Parameters for Random Numbers
};  


#endif