Dispatcher.hxx

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// Copyright (C) 2006-2016  CEA/DEN, EDF R&D
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
//
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//

#ifndef __DISPATCHER_HXX__
#define __DISPATCHER_HXX__

#include "YACSlibEngineExport.hxx"

#include <set>
#include <string>
#include <map>

namespace YACS
{
  namespace ENGINE
  {
    class Node;
    class Executor;

    class YACSLIBENGINE_EXPORT Observer
    {
    public:
      virtual void notifyObserver(Node* object,const std::string& event);
      virtual void notifyObserver2(Node* object,const std::string& event, void *something);
      virtual ~Observer();
    };

    class YACSLIBENGINE_EXPORT Dispatcher
    {
    public:
      virtual void dispatch(Node* object,const std::string& event);
      virtual void dispatch2(Node* object,const std::string& event, void *something);
      virtual void addObserver(Observer* observer,Node* object,const std::string& event);
      virtual void removeObserver(Observer* observer,Node* object,const std::string& event);
      virtual void printObservers();
      static Dispatcher* getDispatcher();
      static void setDispatcher(Dispatcher* dispatcher);
      virtual ~Dispatcher();
    protected:
      std::map< std::pair<Node*,std::string> , std::set<Observer*> > _observers;
      static Dispatcher* _singleton;
    };

  }
}

#endif