//
// ********************************************************************
// * License and Disclaimer                                           *
// *                                                                  *
// * The  Geant4 software  is  copyright of the Copyright Holders  of *
// * the Geant4 Collaboration.  It is provided  under  the terms  and *
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//
// G4VExceptionHandler
//
// Class description:
//
// Abstract base class which needs to be notified when a G4Exception occurs.
// The concrete class object derived from this base class will be
// automatically registered to G4StateManager and the virtual method Notify()
// will be invoked when the G4Exception occurs.

// Author: M.Asai, August 2002
// --------------------------------------------------------------------
#ifndef G4VExceptionHandler_hh
#define G4VExceptionHandler_hh 1

#include "G4ExceptionSeverity.hh"
#include "G4Types.hh"

class G4VExceptionHandler
{
 public:
  G4VExceptionHandler();
  virtual ~G4VExceptionHandler() = default;
  G4bool operator==(const G4VExceptionHandler& right) const;
  G4bool operator!=(const G4VExceptionHandler& right) const;

  virtual G4bool Notify(const char* originOfException,
                        const char* exceptionCode, G4ExceptionSeverity severity,
                        const char* description) = 0;
  // Pure virtual method which will be invoked by G4StateManager when
  // a G4Exception occurs.
  // If TRUE is returned, a core dump will be generated,
  // while if FALSE is returned, program execution continues.

 private:
  G4VExceptionHandler(const G4VExceptionHandler& right);
  G4VExceptionHandler& operator=(const G4VExceptionHandler& right);
};

#endif