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PsNullOutput.h

Go to the documentation of this file.

/*
 * 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
 *
 */

/* file created 2002/01/23 by David Margery */
#ifndef PsNullOutputHEADER
#define PsNullOutputHEADER

#include "PsOutput.h"
template <typename Type> 
class PsNullOutput : public PsOutput<Type> 
{
public:
   PsNullOutput ( PsSimulatedObject & owner ) ;

   virtual ~PsNullOutput () ;
   
   virtual const Type & get (int & distanceToExactValue,
                             const int precisionLevel,
                             const PsDate & deltaT,
                             Type & calculatedResult ) const ;


   virtual const Type & getLastExactValue () const ;

   virtual const PsDate & getDateOfLastExactValue () const ;

};

#include <typeinfo>
#include "PsInvalidOutputException.h"

template <typename Type>
PsNullOutput<Type>::PsNullOutput (PsSimulatedObject & owner ) :
   PsAttribute(owner, typeid(Type).name() ) ,
   PsOutput<Type> ( typeid(Type).name(),
                    owner,
                    0,
                    NULL )
{

}


template <typename Type>
PsNullOutput<Type>::~PsNullOutput() 
{

}


template <typename Type>
const Type & PsNullOutput<Type>::get (int & distanceToExactValue,
                  const int precisionLevel,
                  const PsDate & deltaT,
                  Type & calculatedResult ) const 
{
   throw PsInvalidOutputException() ;
   return calculatedResult ;
}


template <typename Type>
const Type & PsNullOutput<Type>::getLastExactValue () const 
{
   throw PsInvalidOutputException() ;
   return _history->getPreceedingValue ( 0 ) ;
}



template <typename Type>
const PsDate & PsNullOutput<Type>::getDateOfLastExactValue () const 
{
   throw PsInvalidOutputException() ;
   return _history->getPreceedingDate ( 0 ) ;
}


#endif

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