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IGiGaSvc.h

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// $Header: /nfs/slac/g/glast/ground/cvs/GaudiKernel/GaudiKernel/IGiGaSvc.h,v 1.1.1.1 2001/04/18 18:14:18 tlindner Exp $
#ifndef GAUDIKERNEL_IGIGASVC_H
#define GAUDIKERNEL_IGIGASVC_H 


// Include files from the Framework
#include  "GaudiKernel/Kernel.h"
#include  "GaudiKernel/StatusCode.h"
#include  "GaudiKernel/IService.h"

// Forward declarations
class    MCVertex;
class    MCParticle; 

// Forward declaration from Geant4
class    G4Event               ;
class    G4PrimaryVertex       ;
class    G4HCofThisEvent       ;
class    G4VHitsCollection     ;
class    G4VTrajectory         ; 
// class    G4TrajectoryContainer ; 

template <class TYPE> class G4RWTPtrOrderedVector;
typedef class G4RWTPtrOrderedVector<G4VTrajectory> G4TrajectoryContainer;

// Declaration of the interface ID ( interface id, major version, minor version) 
static const InterfaceID IID_IGiGaSvc(211, 1 , 0); 

class IGiGaSvc : virtual public IService
{
 public:
  static const InterfaceID& interfaceID() { return IID_IGiGaSvc; }

  // Usefull typedefs
  typedef  std::pair<const int, G4VHitsCollection*>  CollectionPair; 

 public:

  virtual IGiGaSvc&   operator <<         ( G4PrimaryVertex  * vertex   ) = 0 ;

  virtual StatusCode  addPrimaryKinematics( G4PrimaryVertex  * vertex   ) = 0 ;

  virtual IGiGaSvc& operator >> ( const G4Event*         & event        ) = 0 ;
  virtual IGiGaSvc& operator >> ( G4HCofThisEvent*       & collections  ) = 0 ;
  virtual IGiGaSvc& operator >> ( CollectionPair         & collection   ) = 0 ;
  virtual IGiGaSvc& operator >> ( G4TrajectoryContainer* & trajectories ) = 0 ;

  virtual StatusCode retrieveEvent          ( const G4Event*          & ) = 0 ;
  virtual StatusCode retrieveHitCollections ( G4HCofThisEvent*        & ) = 0 ;
  virtual StatusCode retrieveHitCollection  ( CollectionPair          & ) = 0 ;
  virtual StatusCode retrieveTrajectories   ( G4TrajectoryContainer*  & ) = 0 ;

  virtual StatusCode                    initialize() = 0 ;
  virtual StatusCode                    finalize  () = 0 ;

  virtual ~IGiGaSvc(){};

  virtual StatusCode queryInterface ( const IID& riid, void** ppvI ) = 0;       

};


#endif // GAUDIKERNEL_GIGASVC_H

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