OMKReferenceObjectHandle.h

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/*
 * This file is part of openMask © INRIA, CNRS, Universite de Rennes 1 1993-2002, thereinafter the Software
 * 
 * The Software has been developped within the Siames Project. 
 * INRIA, the University of Rennes 1 and CNRS jointly hold intellectual property rights
 * 
 * The Software has been registered with the Agence pour la Protection des
 * Programmes (APP) under registration number IDDN.FR.001.510008.00.S.P.2001.000.41200
 *
 * This file may be distributed under the terms of the Q Public License
 * version 1.0 as defined by Trolltech AS of Norway and appearing in the file
 * LICENSE.QPL included in the packaging of this file.
 *
 * Licensees holding valid specific licenses issued by INRIA, CNRS or Université de Rennes 1 
 * for the software may use this file in accordance with that specific license 
 *
 */
#ifndef OMKReferenceObjectHandleHEADER
#define OMKReferenceObjectHandleHEADER

#include <OMKObjectHandle.h>
#include <OMKNameToPointerMap.h>
#include "OMKSignalDispatcher.h"

#include "OMKEventIdentifier.h"
#include <list>
namespace OMK 
{ 
class Controller ;
class EventListener ; 
class Scheduler ; 
class OMK_API ReferenceObjectHandle: public ObjectHandle
{
public:   
   ReferenceObjectHandle( SimulatedObject & object, Controller & controller, SignalDispatcher * signalDispatcher = 0 );

public:
   virtual ~ReferenceObjectHandle () ;
   
   virtual void init () ;

   virtual void initAfterMorphose () ;
   virtual void setMigrationCaseToTrue () ;
   virtual void setMorphosisPhaseTrue () ;
   virtual void compute() ;

   virtual void processEvents () ;

   virtual void receiveEvent (const Event & event) ;

   virtual void receiveEvent (Event * event) ;

   virtual void registerEventListenerForEvent ( EventListener & eventListener, 
                                                const EventIdentifier & eventId ) ;

   virtual void unregisterEventListener( EventListener & eventListener ) ;
   virtual void sendEventsForSignal ( Event & event , const EventIdentifier & sigId ) ;


   virtual bool receiveRegistrationForSignal ( const EventIdentifier & sigId, 
                                               const Name & registrant, 
                                               const EventIdentifier & eventId ) ;


   virtual bool cancelRegistrationForSignal ( const EventIdentifier & sigId, 
                                               const Name & registrant ) ;

   virtual void insertInStream (std::ostream & = std::cout) const;

   virtual void extract (std::istream & = std::cin);
   
   friend bool operator < (const ReferenceObjectHandle &,
                          const ReferenceObjectHandle &);
   friend bool operator <= (const ReferenceObjectHandle &,
                           const ReferenceObjectHandle &);
   friend bool operator > (const ReferenceObjectHandle &,
                          const ReferenceObjectHandle &);
   friend bool operator >= (const ReferenceObjectHandle &,
                            const ReferenceObjectHandle &);
   

   enum SimulatedObjectComputingState { initial, running, suspended, stopped, destroyed } ;

   virtual const SimulatedObjectComputingState & getComputingState() const ;

protected:
  friend class OMK::Controller;

  friend class OMK::Scheduler ;

   SimulatedObjectComputingState _computingState; 

   Controller & _controller ;

   virtual std::list <Event *> & getCurrentEventList() ;

   virtual void switchEventList () ;

   Date _dateOfLastEventManagement ;

   Date _dateOfLastActivation ;

   std::list <Event *> * * _eventList ;

   unsigned int _currentWritableEventList ;

#ifdef _OMK_MUTEX_

   BENCO OMKMutexLock _mutexForListEvt ;
#endif

   bool _isInObjectNeedingActivationList[2]; 


#ifdef _MSC_VER
   typedef stdext::hash_map< const EventIdentifier, std::list < EventListener *> *, Name::hash_compare_Name > virtualEventTableType ;
#else
   typedef __gnu_cxx::hash_map< const EventIdentifier, std::list < EventListener *> *, Name::hash_compare_Name > virtualEventTableType ;
#endif

   virtualEventTableType _virtualEventTable ;

   SignalDispatcher * _signalDispatcher ;

}; // ReferenceObjectHandle

bool operator < (const ReferenceObjectHandle &,
                        const ReferenceObjectHandle &);
bool operator <= (const ReferenceObjectHandle &,
                  const ReferenceObjectHandle &);
bool operator > (const ReferenceObjectHandle &,
                        const ReferenceObjectHandle &);
bool operator >= (const ReferenceObjectHandle &,
                         const ReferenceObjectHandle &);
   
} // namespace OMK
#endif

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