IAlgTool.h

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/***********************************************************************************\
* (c) Copyright 1998-2019 CERN for the benefit of the LHCb and ATLAS collaborations *
*                                                                                   *
* This software is distributed under the terms of the Apache version 2 licence,     *
* copied verbatim in the file "LICENSE".                                            *
*                                                                                   *
* In applying this licence, CERN does not waive the privileges and immunities       *
* granted to it by virtue of its status as an Intergovernmental Organization        *
* or submit itself to any jurisdiction.                                             *
\***********************************************************************************/
#ifndef GAUDIKERNEL_IALGTOOL_H
#define GAUDIKERNEL_IALGTOOL_H

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

// Forward declarations
class IAlgorithm;

class GAUDI_API IAlgTool : virtual public INamedInterface {
public:
  DeclareInterfaceID( IAlgTool, 4, 0 );

  virtual const std::string& type() const = 0;

  virtual const IInterface* parent() const = 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 StatusCode sysInitialize() = 0;

  virtual StatusCode sysStart() = 0;

  virtual StatusCode sysStop() = 0;

  virtual StatusCode sysFinalize() = 0;

  virtual StatusCode sysReinitialize() = 0;

  virtual StatusCode sysRestart() = 0;
};

#endif // GAUDIKERNEL_IALGTOOL_H