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//
// $Id$
//
// ----------------------------------------------------------------------
// Class G4ProcessPlacer
//
// Class description:
//
// Used internally by importance sampling and scoring. 
// See G4VProcessPlacer.

// Author: Michael Dressel (Michael.Dressel@cern.ch)
// ----------------------------------------------------------------------
#ifndef G4ProcessPlacer_hh
#define G4ProcessPlacer_hh G4ProcessPlacer_hh 

#include "G4Types.hh"
#include "G4String.hh"
#include "G4VProcessPlacer.hh"

class G4ProcessManager;
class G4ProcessVector;

class G4ProcessPlacer : public G4VProcessPlacer
{

public:  // with description

  explicit G4ProcessPlacer(const G4String &particlename);
    // create a process placer for a particle type

  virtual ~G4ProcessPlacer();

  virtual void AddProcessAsLastDoIt(G4VProcess *process);
    // place a post step do it process such that the 
    // PostStepDoIt function is called last
    // THE ORDER CHANGES BY SUBSEQUENT CALLS     

  virtual void AddProcessAsSecondDoIt(G4VProcess *process);
    // place a post step do it process such that the 
    // PostStepDoIt function is called second
    // THE ORDER CHANGES BY SUBSEQUENT CALLS         

  virtual void RemoveProcess(G4VProcess *process);
    // removes a given process 

  enum SecondOrLast
  {
    eSecond = 1,            
    eLast = 0
  };

private:

  G4ProcessManager *GetProcessManager();
  void AddProcessAs(G4VProcess *process, SecondOrLast);

  void PrintProcVec(G4ProcessVector* processVec);
  void PrintAlongStepGPILVec();  
  void PrintAlongStepDoItVec();  
  void PrintPostStepGPILVec();  
  void PrintPostStepDoItVec();  

private:

  G4String fParticleName;

};

#endif