G4VProcessPlacer.hh

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// $Id$
//
// ----------------------------------------------------------------------
// Class G4VProcessPlacer
//
// Class description:
//
// Used internally by importance sampling and scoring to place
// processes as second or last PostStepDoIt processes.

// Author: Michael Dressel (Michael.Dressel@cern.ch)
// ----------------------------------------------------------------------
#ifndef G4VProcessPlacer_hh
#define G4VProcessPlacer_hh G4VProcessPlacer_hh

#include "G4Types.hh"

class G4VProcess;
 
class G4VProcessPlacer
{

public:  // with description

  G4VProcessPlacer();
  virtual ~G4VProcessPlacer();

  virtual void AddProcessAsLastDoIt(G4VProcess *process) = 0;
    // 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) = 0;
    // 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) = 0;
    // removes a given process 

};

#endif