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PsnAbstractFifo.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 
 *
 */
#ifndef PsnAbstractFifoHEADER
#define PsnAbstractFifoHEADER

#include <PsNumericType.h>


template <typename Type>
class PsnAbstractFifo : public PsFlowable
{
  
public :
   PsnAbstractFifo (const int taille) ;


   virtual ~PsnAbstractFifo () ;


   virtual int getMaximumNumberOfValues() const ;


   virtual unsigned int getNumberOfPresentValues( int lookingFor = -1 ) const = 0 ;


   virtual const Type & getPreceedingValue (const unsigned int index) const = 0 ;


   virtual const PsDate & getPreceedingDate(const unsigned int indice) const = 0 ;
   

   virtual void set (const Type & val, const PsDate & date) = 0 ;


   virtual void setInPlace ( const Type & val, const PsDate & date) = 0 ;


   virtual Type & getNextPlaceHolder() = 0 ;


   virtual void clear () = 0 ;


   virtual void printDebuggingInformation(void) const = 0 ;


   virtual void extract (istream & = cin) ;
   

   virtual void insertInStream (ostream & = cout) const  ;
  
   virtual void unpack (PsIncomingSynchronisationMessage &) ;
   
   virtual void pack (PsOutgoingSynchronisationMessage &) const ;

   virtual void unpackAllValues (PsIncomingSynchronisationMessage &) ;
   
   virtual void packAllValues (PsOutgoingSynchronisationMessage &) const ;

protected :
   unsigned int _fifoSize ;

} ; // PsnAbstractFifo


//because everything is template, #include all the Existing FIFO here. 

#include <PsnFifo.h>

#if defined(_MOME) || !defined(_SGI)
#include <PsnMomeFifo.h>
#endif

template <typename Type> 
int PsnAbstractFifo<Type>::getMaximumNumberOfValues() const {
   return _fifoSize ;
}

template <typename Type> 
PsnAbstractFifo<Type>::PsnAbstractFifo (const int taille) : _fifoSize ( taille ) {

}

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

} 

template <typename Type>
void PsnAbstractFifo<Type>::printDebuggingInformation() const {
   cerr<< "Capacity of fifo : "<<_fifoSize<<endl;
}

//------------------------------------------------------------------------

template <typename Type>
void PsnAbstractFifo<Type>::extract (istream & in) {
   PsDate dateDerniereVal;
   Type data;
   in >> dateDerniereVal >> data ;
   set(data, dateDerniereVal);
}


   
template <typename Type>
void PsnAbstractFifo<Type>::insertInStream (ostream & out) const 
{
   out << getPreceedingDate (0) << " "<<getPreceedingValue (0) << " ";
}


template <typename Type>
void PsnAbstractFifo<Type>::unpack (PsIncomingSynchronisationMessage & in) 
{
   Type & receivedValue ( getNextPlaceHolder() ) ;
   receivedValue.unpack( in ) ;
   setInPlace( receivedValue, in.getMessageDate() );
}
   
template <typename Type>
void PsnAbstractFifo<Type>::unpackAllValues (PsIncomingSynchronisationMessage & in) 
{
   Type & receivedValue ( getNextPlaceHolder() ) ;
   PsDate dateOfReceivedValue ;
   dateOfReceivedValue.unpack ( in ) ;
   receivedValue.unpack( in ) ;
   setInPlace( receivedValue , dateOfReceivedValue );
}
   
template <typename Type>
void PsnAbstractFifo<Type>::pack (PsOutgoingSynchronisationMessage & out ) const 
{
   getPreceedingValue (0).pack (out) ;
}

template <typename Type>
void PsnAbstractFifo<Type>::packAllValues (PsOutgoingSynchronisationMessage & out ) const 
{
   // implement in a minimal fashion
   getPreceedingDate (0).pack(out) ;
   getPreceedingValue (0).pack (out) ;
}

#endif

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