1 | /*
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2 | * ValueStorage.hpp
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3 | *
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4 | * Created on: Jul 22, 2010
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5 | * Author: heber
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6 | */
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7 |
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8 | #ifndef VALUESTORAGE_HPP_
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9 | #define VALUESTORAGE_HPP_
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10 |
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11 | #include <boost/filesystem.hpp>
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12 | #include <boost/lexical_cast.hpp>
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13 | #include <boost/program_options.hpp>
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14 |
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15 | #include <map>
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16 | #include <set>
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17 | #include <vector>
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18 | #include <typeinfo>
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19 |
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20 | #include "Actions/OptionTrait.hpp"
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21 | #include "Actions/OptionRegistry.hpp"
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22 | #include "Exceptions/IllegalTypeException.hpp"
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23 | #include "Exceptions/MissingValueException.hpp"
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24 | #include "Helpers/Assert.hpp"
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25 | #include "Patterns/Singleton.hpp"
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26 |
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27 | class MapOfActionsTest;
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28 |
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29 | class Box;
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30 | class atom;
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31 | class element;
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32 | class molecule;
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33 | class Vector;
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34 |
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35 | namespace po = boost::program_options;
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36 |
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37 | using boost::lexical_cast;
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38 |
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39 | #include "Patterns/Singleton.hpp"
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40 |
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41 | /** ValueStorage serves as a mediator to MapOfActions.
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42 | * This is needed to relax inter-dependencies between the Queries and the Actions.
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43 | * I.e. this is the interface implemented in MapOfActions which both can safely rely on
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44 | * to store&retrieve/exchange values.
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45 | */
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46 | class ValueStorage : public Singleton<ValueStorage> {
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47 | friend class Singleton<ValueStorage>;
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48 |
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49 | public:
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50 |
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51 | bool isCurrentValuePresent(const char *name) const;
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52 | void queryCurrentValue(const char * name, const atom * &_T);
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53 | void queryCurrentValue(const char * name, const element * &_T);
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54 | void queryCurrentValue(const char * name, const molecule * &_T);
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55 | void queryCurrentValue(const char * name, class Box &_T);
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56 | void queryCurrentValue(const char * name, class Vector &_T);
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57 | void queryCurrentValue(const char * name, class BoxVector &_T);
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58 | void queryCurrentValue(const char * name, std::vector<const atom *>&_T);
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59 | void queryCurrentValue(const char * name, std::vector<const element *>&_T);
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60 | void queryCurrentValue(const char * name, std::vector<const molecule *>&_T);
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61 | void queryCurrentValue(const char * name, boost::filesystem::path&_T);
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62 |
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63 | /** Gets a value from the storage
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64 | * If the value is not present, an ASSERT is thrown unless optional is set to true.
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65 | * \param _T key of value
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66 | * \param optional whether this value is optional, i.e. may actually not be in the storage (i.e. may return false in this case).
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67 | * \return true - value present, false - value not present (only given when optional set to true)
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68 | */
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69 | template<typename T> void queryCurrentValue(const char * name, T &_T)
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70 | {
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71 | if (typeid( T ) == *(OptionRegistry_instance.getOptionByName(name)->getType())) { // constructor of type_info is private, hence can only store by ref or ptr
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72 | if (CurrentValueMap.find(name) == CurrentValueMap.end())
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73 | throw MissingValueException(__FILE__, __LINE__);
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74 | _T = lexical_cast<T>(CurrentValueMap[name].c_str());
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75 | CurrentValueMap.erase(name);
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76 | } else
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77 | throw IllegalTypeException(__FILE__,__LINE__);
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78 | }
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79 | template<typename T> void queryCurrentValue(const char * name, std::vector<T> &_T)
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80 | {
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81 | T temp;
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82 | if (typeid( std::vector<T> ) == *(OptionRegistry_instance.getOptionByName(name)->getType())) { // constructor of type_info is private, hence can only store by ref or ptr
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83 | if (CurrentValueMap.find(name) == CurrentValueMap.end())
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84 | throw MissingValueException(__FILE__, __LINE__);
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85 | std::istringstream stream(CurrentValueMap[name]);
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86 | CurrentValueMap.erase(name);
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87 | while (!stream.fail()) {
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88 | stream >> temp >> std::ws;
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89 | _T.push_back(temp);
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90 | }
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91 | } else
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92 | throw IllegalTypeException(__FILE__,__LINE__);
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93 | }
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94 |
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95 | void setCurrentValue(const char * name, const atom * &_T);
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96 | void setCurrentValue(const char * name, const element * &_T);
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97 | void setCurrentValue(const char * name, const molecule * &_T);
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98 | void setCurrentValue(const char * name, class Box &_T);
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99 | void setCurrentValue(const char * name, class Vector &_T);
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100 | void setCurrentValue(const char * name, std::vector<const atom *>&_T);
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101 | void setCurrentValue(const char * name, std::vector<const element *>&_T);
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102 | void setCurrentValue(const char * name, std::vector<const molecule *>&_T);
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103 | void setCurrentValue(const char * name, boost::filesystem::path&_T);
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104 |
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105 | /** Sets a value in the storage.
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106 | * \param name key of value
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107 | * \param _T value
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108 | */
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109 | template<class T> void setCurrentValue(const char * name, T &_T)
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110 | {
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111 | std::ostringstream stream;
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112 | if (typeid( T ) == *(OptionRegistry_instance.getOptionByName(name)->getType())) { // constructor of type_info is private, hence can only store by ref or ptr
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113 | stream << _T;
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114 | CurrentValueMap[name] = stream.str();
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115 | } else
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116 | throw IllegalTypeException(__FILE__,__LINE__);
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117 | }
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118 | /** Sets a value in the storage.
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119 | * \param name key of value
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120 | * \param _T value
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121 | */
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122 | template<class T> void setCurrentValue(const char * name, std::vector<T> &_T)
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123 | {
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124 | std::ostringstream stream;
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125 | if (typeid( std::vector<T> ) == *(OptionRegistry_instance.getOptionByName(name)->getType())) { // constructor of type_info is private, hence can only store by ref or ptr
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126 | std::ostringstream stream;
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127 | for (typename std::vector<T>::const_iterator iter = _T.begin(); iter != _T.end(); ++iter) {
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128 | stream << (*iter) << " ";
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129 | }
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130 | CurrentValueMap[name] = stream.str();
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131 | } else
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132 | throw IllegalTypeException(__FILE__,__LINE__);
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133 | }
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134 |
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135 | const std::string getCurrentValue(std::string actionname);
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136 |
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137 | protected:
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138 | ValueStorage();
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139 | ~ValueStorage();
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140 |
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141 | std::map<std::string, std::string> CurrentValueMap;
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142 |
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143 | OptionRegistry &OptionRegistry_instance;
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144 | };
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145 |
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146 | #endif /* VALUESTORAGE_HPP_ */
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