1 | /*! |
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2 | \file grid_transformation_factory_impl.hpp |
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3 | \author Ha NGUYEN |
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4 | \since 23 June 2016 |
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5 | \date 23 June 2016 |
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6 | |
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7 | \brief Helper class to create different transformations. |
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8 | */ |
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9 | #ifndef __XIOS_GRID_TRANSFORMATION_FACTORY_HPP__ |
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10 | #define __XIOS_GRID_TRANSFORMATION_FACTORY_HPP__ |
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11 | |
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12 | #include "xios_spl.hpp" |
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13 | #include "exception.hpp" |
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14 | #include "transformation.hpp" |
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15 | |
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16 | namespace xios { |
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17 | |
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18 | class CGrid; |
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19 | class CGenericAlgorithmTransformation; |
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20 | |
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21 | |
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22 | /*! |
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23 | \class CGridTransformationFactory |
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24 | This class is a helper class to chose a algorithm (transformation) from the alogrithm list of |
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25 | specific grid. |
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26 | */ |
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27 | template<typename T> |
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28 | class CGridTransformationFactory |
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29 | { |
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30 | public: |
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31 | /** Default constructor */ |
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32 | CGridTransformationFactory() {} |
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33 | virtual ~CGridTransformationFactory() {} |
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34 | |
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35 | static CGenericAlgorithmTransformation* createTransformation(ETranformationType transType, |
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36 | CGrid* gridDst, CGrid* gridSrc, |
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37 | CTransformation<T>* transformation, |
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38 | int elementPositionInGrid, |
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39 | std::map<int, int>& elementPositionInGridSrc2ScalarPosition, |
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40 | std::map<int, int>& elementPositionInGridSrc2AxisPosition, |
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41 | std::map<int, int>& elementPositionInGridSrc2DomainPosition, |
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42 | std::map<int, int>& elementPositionInGridDst2ScalarPosition, |
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43 | std::map<int, int>& elementPositionInGridDst2AxisPosition, |
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44 | std::map<int, int>& elementPositionInGridDst2DomainPosition); |
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45 | |
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46 | public: |
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47 | typedef CGenericAlgorithmTransformation* (*CreateTransformationCallBack)(CGrid* gridDst, CGrid* gridSrc, |
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48 | CTransformation<T>* transformation, |
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49 | int elementPositionInGrid, |
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50 | std::map<int, int>& elementPositionInGridSrc2ScalarPosition, |
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51 | std::map<int, int>& elementPositionInGridSrc2AxisPosition, |
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52 | std::map<int, int>& elementPositionInGridSrc2DomainPosition, |
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53 | std::map<int, int>& elementPositionInGridDst2ScalarPosition, |
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54 | std::map<int, int>& elementPositionInGridDst2AxisPosition, |
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55 | std::map<int, int>& elementPositionInGridDst2DomainPosition); |
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56 | |
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57 | typedef std::map<ETranformationType, CreateTransformationCallBack> CallBackMap; |
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58 | static CallBackMap* transformationCreationCallBacks_; |
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59 | static bool registerTransformation(ETranformationType transType, CreateTransformationCallBack createFn); |
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60 | static bool unregisterTransformation(ETranformationType transType); |
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61 | static bool initializeTransformation_; |
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62 | }; |
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63 | |
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64 | template<typename T> |
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65 | typename CGridTransformationFactory<T>::CallBackMap* CGridTransformationFactory<T>::transformationCreationCallBacks_ = 0; |
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66 | template<typename T> |
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67 | bool CGridTransformationFactory<T>::initializeTransformation_ = false; |
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68 | |
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69 | template<typename T> |
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70 | CGenericAlgorithmTransformation* CGridTransformationFactory<T>::createTransformation(ETranformationType transType, |
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71 | CGrid* gridDst, CGrid* gridSrc, |
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72 | CTransformation<T>* transformation, |
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73 | int elementPositionInGrid, |
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74 | std::map<int, int>& elementPositionInGridSrc2ScalarPosition, |
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75 | std::map<int, int>& elementPositionInGridSrc2AxisPosition, |
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76 | std::map<int, int>& elementPositionInGridSrc2DomainPosition, |
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77 | std::map<int, int>& elementPositionInGridDst2ScalarPosition, |
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78 | std::map<int, int>& elementPositionInGridDst2AxisPosition, |
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79 | std::map<int, int>& elementPositionInGridDst2DomainPosition) |
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80 | { |
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81 | typename CallBackMap::const_iterator it = (*transformationCreationCallBacks_).find(transType); |
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82 | if ((*transformationCreationCallBacks_).end() == it) |
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83 | { |
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84 | ERROR("CGridTransformationFactory::createTransformation(ETranformationType transType)", |
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85 | << "Transformation type " << transType |
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86 | << "doesn't exist. Please define."); |
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87 | } |
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88 | return (it->second)(gridDst, gridSrc, transformation, elementPositionInGrid, |
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89 | elementPositionInGridSrc2ScalarPosition, |
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90 | elementPositionInGridSrc2AxisPosition, |
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91 | elementPositionInGridSrc2DomainPosition, |
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92 | elementPositionInGridDst2ScalarPosition, |
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93 | elementPositionInGridDst2AxisPosition, |
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94 | elementPositionInGridDst2DomainPosition); |
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95 | } |
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96 | |
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97 | template<typename T> |
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98 | bool CGridTransformationFactory<T>::registerTransformation(ETranformationType transType, CreateTransformationCallBack createFn) |
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99 | { |
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100 | if (0 == transformationCreationCallBacks_) |
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101 | transformationCreationCallBacks_ = new CallBackMap(); |
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102 | |
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103 | return (*transformationCreationCallBacks_).insert(make_pair(transType, createFn)).second; |
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104 | } |
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105 | |
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106 | template<typename T> |
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107 | bool CGridTransformationFactory<T>::unregisterTransformation(ETranformationType transType) |
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108 | { |
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109 | return (1 == (*transformationCreationCallBacks_).erase(transType)); |
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110 | } |
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111 | |
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112 | |
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113 | } |
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114 | #endif // __XIOS_GRID_TRANSFORMATION_FACTORY_HPP__ |
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