utils/IObservable.h

// -*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
//-----------------------------------------------------------------------------
// Copyright 2000-2022 CEA (www.cea.fr) IFPEN (www.ifpenergiesnouvelles.com)
// See the top-level COPYRIGHT file for details.
// SPDX-License-Identifier: Apache-2.0
//-----------------------------------------------------------------------------
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/* IObservable.h                                               (C) 2000-2021 */
/*                                                                           */
/* Interface d'un observable.                                                */
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#ifndef ARCANE_UTILS_IOBSERVABLE_H
#define ARCANE_UTILS_IOBSERVABLE_H
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#include "arcane/utils/ArcaneGlobal.h"
 
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namespace Arcane
{
 
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class IObserver;
 
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class ARCANE_UTILS_EXPORT IObservable
{
 public:
 
  virtual ~IObservable() {} 
 
 public:
 
  static IObservable* createDefault();
 
 public:
 
  virtual ARCANE_DEPRECATED_220 void destroy() =0;
 
  virtual void attachObserver(IObserver* obs) =0;
 
  virtual void detachObserver(IObserver* obs) =0;
 
  virtual void notifyAllObservers() =0;
 
  virtual bool hasObservers() const =0;
 
  virtual ARCANE_DEPRECATED_220 bool isDestroyed() const =0;
 
  virtual void detachAllObservers() =0;
};
 
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} // End namespace Arcane
 
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#endif