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IService.h

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// $Header: /local/reps/Gaudi/GaudiKernel/GaudiKernel/IService.h,v 1.8 2008/06/02 14:20:38 marcocle Exp $
#ifndef GAUDIKERNEL_ISERVICE_H
#define GAUDIKERNEL_ISERVICE_H

// Include files
#include "GaudiKernel/INamedInterface.h"
#include "GaudiKernel/StateMachine.h"
#include <string>

// Declaration of the interface ID. 
static const InterfaceID IID_IService(2, 2, 1); 

class ISvcManager;
class ServiceManager;

class IService : virtual public INamedInterface {
  friend class ServiceManager;
public:
  static const InterfaceID& interfaceID() { return IID_IService; }

  virtual const InterfaceID&  type() const = 0;
  virtual StatusCode sysInitialize() = 0;
  virtual StatusCode sysStart() = 0;
  virtual StatusCode sysStop() = 0;
  virtual StatusCode sysFinalize() = 0;
  virtual StatusCode sysReinitialize() = 0;
  virtual StatusCode sysRestart() = 0;
  
  // --- Methods from IStateful ---
  virtual StatusCode configure() = 0;

  virtual StatusCode initialize() = 0;

  virtual StatusCode start() = 0;

  virtual StatusCode stop() = 0;

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


  virtual StatusCode reinitialize() = 0;

  virtual StatusCode restart() = 0;
  
  virtual Gaudi::StateMachine::State FSMState() const = 0;
  
  virtual Gaudi::StateMachine::State targetFSMState() const = 0;
  
protected:
  virtual void setServiceManager(ISvcManager*) = 0;
};

#endif  // GAUDIKERNEL_ISERVICE_H

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