161 lines
4.8 KiB
C++
161 lines
4.8 KiB
C++
/*
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* <peoParallelAlgorithmWrapper.h>
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* Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2007
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* (C) OPAC Team, LIFL, 2002-2007
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*
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* Sebastien Cahon, Alexandru-Adrian Tantar
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*
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* This software is governed by the CeCILL license under French law and
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* abiding by the rules of distribution of free software. You can use,
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* modify and/ or redistribute the software under the terms of the CeCILL
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* license as circulated by CEA, CNRS and INRIA at the following URL
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* "http://www.cecill.info".
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*
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* As a counterpart to the access to the source code and rights to copy,
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* modify and redistribute granted by the license, users are provided only
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* with a limited warranty and the software's author, the holder of the
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* economic rights, and the successive licensors have only limited liability.
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*
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* In this respect, the user's attention is drawn to the risks associated
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* with loading, using, modifying and/or developing or reproducing the
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* software by the user in light of its specific status of free software,
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* that may mean that it is complicated to manipulate, and that also
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* therefore means that it is reserved for developers and experienced
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* professionals having in-depth computer knowledge. Users are therefore
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* encouraged to load and test the software's suitability as regards their
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* requirements in conditions enabling the security of their systems and/or
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* data to be ensured and, more generally, to use and operate it in the
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* same conditions as regards security.
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* The fact that you are presently reading this means that you have had
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* knowledge of the CeCILL license and that you accept its terms.
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*
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* ParadisEO WebSite : http://paradiseo.gforge.inria.fr
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* Contact: paradiseo-help@lists.gforge.inria.fr
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*
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*/
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#ifndef __peoParaAlgorithm_h
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#define __peoParaAlgorithm_h
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#include "core/runner.h"
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#include "core/peo_debug.h"
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class peoParallelAlgorithmWrapper : public Runner
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{
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public:
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template< typename AlgorithmType > peoParallelAlgorithmWrapper( AlgorithmType& externalAlgorithm )
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: algorithm( new Algorithm< AlgorithmType, void >( externalAlgorithm ) )
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{}
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template< typename AlgorithmType, typename AlgorithmDataType > peoParallelAlgorithmWrapper( AlgorithmType& externalAlgorithm, AlgorithmDataType& externalData )
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: algorithm( new Algorithm< AlgorithmType, AlgorithmDataType >( externalAlgorithm, externalData ) )
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{}
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template< typename AlgorithmReturnType > peoParallelAlgorithmWrapper( AlgorithmReturnType& (*externalAlgorithm)() )
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: algorithm( new FunctionAlgorithm< AlgorithmReturnType, void >( externalAlgorithm ) )
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{}
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template< typename AlgorithmReturnType, typename AlgorithmDataType > peoParallelAlgorithmWrapper( AlgorithmReturnType& (*externalAlgorithm)( AlgorithmDataType& ), AlgorithmDataType& externalData )
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: algorithm( new FunctionAlgorithm< AlgorithmReturnType, AlgorithmDataType >( externalAlgorithm, externalData ) )
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{}
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~peoParallelAlgorithmWrapper()
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{
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delete algorithm;
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}
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void run()
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{
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algorithm->operator()();
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}
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private:
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struct AbstractAlgorithm
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{
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// virtual destructor as we will be using inheritance and polymorphism
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virtual ~AbstractAlgorithm()
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{ }
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// operator to be called for executing the algorithm
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virtual void operator()()
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{ }
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};
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template< typename AlgorithmType, typename AlgorithmDataType > struct Algorithm : public AbstractAlgorithm
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{
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Algorithm( AlgorithmType& externalAlgorithm, AlgorithmDataType& externalData )
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: algorithm( externalAlgorithm ), algorithmData( externalData )
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{}
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virtual void operator()()
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{
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algorithm( algorithmData );
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}
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AlgorithmType& algorithm;
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AlgorithmDataType& algorithmData;
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};
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template< typename AlgorithmType > struct Algorithm< AlgorithmType, void > : public AbstractAlgorithm
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{
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Algorithm( AlgorithmType& externalAlgorithm ) : algorithm( externalAlgorithm )
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{}
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virtual void operator()()
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{
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algorithm();
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}
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AlgorithmType& algorithm;
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};
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template< typename AlgorithmReturnType, typename AlgorithmDataType > struct FunctionAlgorithm : public AbstractAlgorithm
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{
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FunctionAlgorithm( AlgorithmReturnType (*externalAlgorithm)( AlgorithmDataType& ), AlgorithmDataType& externalData )
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: algorithm( externalAlgorithm ), algorithmData( externalData )
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{}
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virtual void operator()()
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{
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algorithm( algorithmData );
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}
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AlgorithmReturnType (*algorithm)( AlgorithmDataType& );
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AlgorithmDataType& algorithmData;
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};
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template< typename AlgorithmReturnType > struct FunctionAlgorithm< AlgorithmReturnType, void > : public AbstractAlgorithm
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{
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FunctionAlgorithm( AlgorithmReturnType (*externalAlgorithm)() )
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: algorithm( externalAlgorithm )
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{}
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virtual void operator()()
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{
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algorithm();
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}
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AlgorithmReturnType (*algorithm)();
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};
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private:
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AbstractAlgorithm* algorithm;
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};
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#endif
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