[706] | 1 | |
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| 2 | /*! |
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| 3 | \file |
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| 4 | \brief Bayesian Models (bm) that use Bayes rule to learn from observations |
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| 5 | \author Vaclav Smidl. |
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| 6 | |
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| 7 | ----------------------------------- |
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| 8 | BDM++ - C++ library for Bayesian Decision Making under Uncertainty |
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| 9 | |
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| 10 | Using IT++ for numerical operations |
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| 11 | ----------------------------------- |
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| 12 | */ |
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| 13 | |
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| 14 | #ifndef root_H |
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| 15 | #define root_H |
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| 16 | |
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| 17 | #include <string> |
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[850] | 18 | #include <bitset> |
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[706] | 19 | |
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| 20 | #include "itpp_ext.h" |
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[766] | 21 | #include "bdmerror.h" |
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[706] | 22 | |
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[789] | 23 | #ifdef MEX |
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| 24 | #include "base/libconfig/lib/libconfig.h++" |
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| 25 | // TODO DODELAT A NAHRADIT #include "base/libconfig_mex.h" |
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| 26 | #else |
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| 27 | #include "base/libconfig/lib/libconfig.h++" |
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| 28 | #endif |
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| 29 | |
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| 30 | |
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[706] | 31 | using namespace libconfig; |
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| 32 | using namespace itpp; |
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| 33 | using namespace std; |
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| 34 | |
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| 35 | namespace bdm { |
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[769] | 36 | |
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[789] | 37 | //! auxiliary function for debugging |
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| 38 | void UI_DBG (const Setting &S, const string &spc, ostream &out ); |
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[769] | 39 | |
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[850] | 40 | |
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| 41 | //! level of details that will be logged to a logger |
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| 42 | // DULEZITE TODO - zde musi respektovat aktualne ulozene hodnoty, tj. nacist je, pak pridat |
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| 43 | // ty co se maji v tomto kroku ulozit a pak vse ulozit.. protoze to delame kompozici a ne dedenim DODELAT |
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| 44 | // ALE HOUBY, TAKHLE TO NEJDE, musime nechat jako samostatny objekt, kazda uroven tedy zvlast, |
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| 45 | // jednoznacne jmeno atd.. |
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| 46 | // |
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| 47 | //! information about connection to a logger |
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| 48 | template<class T> class logged_options { |
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| 49 | private: |
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| 50 | friend class UI; |
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| 51 | |
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| 52 | //! boolean flags related indicating which details will be logged to a logger |
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| 53 | bitset<32> values; |
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| 54 | |
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| 55 | virtual const Array<string> &names() const |
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| 56 | { |
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| 57 | return T::__option_names(); |
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| 58 | } |
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| 59 | |
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| 60 | public: |
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| 61 | |
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| 62 | bool any() const |
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| 63 | { |
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| 64 | return values.any(); |
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| 65 | } |
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| 66 | |
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| 67 | bool operator [] (const enum T::possible_options &option ) const |
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| 68 | { |
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| 69 | return values[option]; |
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| 70 | } |
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| 71 | |
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| 72 | bitset<32>::reference operator [] (const enum T::possible_options &option ) |
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| 73 | { |
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| 74 | return values[option]; |
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| 75 | } |
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| 76 | }; |
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| 77 | |
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| 78 | // MUZEME INTERNE POUZIVAT ENUMY, A KLIDNE MENIT JEJICH PORADI, DIKY TOMUHLE MAKRU SE VZDY NAMAPUJI NA TY SPRAVNE STRINGY |
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| 79 | #define LOG_LEVEL(CLASSNAME,...) private: friend class logged_options<CLASSNAME>; static const Array<string> &__option_names() { static const Array<string> option_names( "{"#__VA_ARGS__"}" ); return option_names; }; public: enum possible_options { __VA_ARGS__ }; logged_options<CLASSNAME> log_level; |
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| 80 | |
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[706] | 81 | //forward declaration |
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| 82 | class logger; |
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[737] | 83 | |
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[706] | 84 | //! information about connection to a logger |
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| 85 | class log_record { |
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| 86 | public: |
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[737] | 87 | //!remember which logger is registered |
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[706] | 88 | logger &L; |
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| 89 | //! vector of log IDs - one element for each entry |
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| 90 | ivec ids; |
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[737] | 91 | |
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[706] | 92 | //!default constructor |
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[737] | 93 | log_record ( logger &L0 ) : L ( L0 ), ids ( 0 ) {} |
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[706] | 94 | }; |
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[737] | 95 | |
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[706] | 96 | //! Root class of BDM objects |
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| 97 | class root { |
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[737] | 98 | protected: |
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[706] | 99 | //! record of connections to the logger |
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| 100 | log_record* logrec; |
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[737] | 101 | |
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[789] | 102 | //! It is necessary to allow calling of from_setting and to_setting within the UI class |
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[756] | 103 | friend class UI; |
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| 104 | |
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[789] | 105 | /*! |
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| 106 | \brief Read instance properties according the data stored in the Setting structure. |
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| 107 | It has to be called only through UI class, therefore it is protected |
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| 108 | |
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| 109 | At the begining of this method, it is obligatory to call |
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| 110 | the corresponding base::from_setting method. Sometimes, there can be |
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| 111 | an exception from this rule. If so, the programmer is encouraged |
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| 112 | to describe the reasons for this exception in the documentation in detail. |
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| 113 | |
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| 114 | Then, all the configuration components should be read through the UI mechanism. |
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| 115 | Those with UI::SettingPresence set to optional shoud have their defaults fulfilled |
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| 116 | within the body of this method. |
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| 117 | |
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| 118 | For instance, declaring a class \c trunk derived from our #root class, |
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| 119 | the implementation of the from_setting method should look like this |
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| 120 | |
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| 121 | \code |
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| 122 | |
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| 123 | public trunk : public root { |
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| 124 | |
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| 125 | anytype xxx, yyy; |
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| 126 | |
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| 127 | virtual void from_setting ( const Setting &set ) { |
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| 128 | root::from_setting( set ); |
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| 129 | |
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| 130 | UI::get ( xxx, set, "xxx", UI::compulsory ); |
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| 131 | |
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| 132 | if ( !UI::get ( yyy, set, "yyy", UI::optional ) ) { |
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| 133 | ... // here, it is necessary to set the default of attribute yyy |
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| 134 | } |
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| 135 | |
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| 136 | ... // another stuff related to trunk class |
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| 137 | } |
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| 138 | |
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| 139 | ... // other members of this class |
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| 140 | }; |
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| 141 | |
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| 142 | \endcode |
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| 143 | */ |
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[756] | 144 | virtual void from_setting ( const Setting &set ) { |
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| 145 | } |
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| 146 | |
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[789] | 147 | /*! |
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| 148 | \brief Save all the instance properties into the Setting structure. |
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| 149 | It has to be called only through UI class, therefore it is protected |
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| 150 | |
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| 151 | The only obligatory rule concerning the body of this method is to call |
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| 152 | the corresponding base::to_setting method first. Sometimes, there can |
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| 153 | be an exception from this rule. If so, the programmer is encouraged |
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| 154 | to describe the reasons for this exception in the documentation in detail. |
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| 155 | |
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| 156 | For instance, declaring |
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| 157 | a class \c trunk derived from our #root class, the implementation of |
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| 158 | the to_setting method should look like this |
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| 159 | |
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| 160 | \code |
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| 161 | public trunk : public root { |
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| 162 | |
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| 163 | anytype xxx; |
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| 164 | |
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| 165 | virtual void to_setting ( const Setting &set ) { |
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| 166 | root::to_setting( set ); |
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| 167 | |
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| 168 | UI::save ( xxx, set, "xxx" ); |
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| 169 | |
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| 170 | ... // another stuff related directly to trunk class |
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| 171 | |
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| 172 | } |
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| 173 | |
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| 174 | ... // other members of this class |
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| 175 | |
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| 176 | }; |
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| 177 | |
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| 178 | \endcode |
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| 179 | */ |
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[756] | 180 | virtual void to_setting ( Setting &set ) const { |
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| 181 | } |
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| 182 | |
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[706] | 183 | public: |
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[850] | 184 | enum possible_options{}; |
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[706] | 185 | //!default constructor |
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[850] | 186 | root() : logrec ( NULL ) {}; |
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[737] | 187 | |
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[706] | 188 | //! make sure this is a virtual object |
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| 189 | virtual ~root() { |
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[737] | 190 | if ( logrec ) delete logrec; |
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[706] | 191 | } |
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| 192 | |
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[769] | 193 | //! Returns basic textual info about the current instance |
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[706] | 194 | virtual string to_string() const { |
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[769] | 195 | Config C; |
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| 196 | Setting &set=C.getRoot(); |
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| 197 | this->to_setting(set); |
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| 198 | ostringstream os; |
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| 199 | UI_DBG(set, "", os); |
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| 200 | return os.str(); |
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[706] | 201 | } |
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| 202 | //! Register itself in a logger, i.e. allocate space for data from this class |
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| 203 | //! The level of details (parameter \c level ) is individual for each class. |
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[737] | 204 | virtual void log_register ( logger &L, const string &prefix ) { |
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| 205 | logrec = new log_record ( L ); |
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[706] | 206 | } |
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[737] | 207 | |
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| 208 | //! Write current information into the given logger |
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[706] | 209 | virtual void log_write() const { |
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| 210 | } |
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| 211 | |
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[789] | 212 | /*! |
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| 213 | \brief This method checks that all internal structures has been set up correctly. |
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| 214 | |
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| 215 | It is called automatically after the call of the #from_setting method by the mechanism of the UI class. |
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| 216 | However, it can be called in any other situation to assure the correctness of an instance. |
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| 217 | |
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| 218 | The only obligatory rule concerning the body of this method is to call |
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| 219 | the corresponding base::validate method first. Sometimes, there can be |
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| 220 | an exception from this rule. If so, the programmer is encouraged |
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| 221 | to describe the reasons for this exception in the documentation in detail. |
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| 222 | |
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| 223 | Then, only those checks which are not implemented in the base method |
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| 224 | are implemented here. For instance, declaring a class \c trunk derived from our |
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| 225 | #root class, the implementation of the method validate should |
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| 226 | look like this |
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| 227 | |
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| 228 | \code |
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| 229 | public trunk : public root { |
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| 230 | |
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| 231 | virtual void validate ( ) { |
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| 232 | root::validate( ); |
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| 233 | |
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| 234 | ... // checks related directly to trunk class |
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| 235 | } |
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| 236 | |
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| 237 | ... // other members of this class |
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| 238 | |
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| 239 | }; |
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| 240 | |
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| 241 | \endcode |
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| 242 | |
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| 243 | */ |
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[706] | 244 | virtual void validate() { |
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| 245 | } |
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[766] | 246 | |
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| 247 | //! Virtual method providing deep copy of instances |
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| 248 | virtual root* _copy() const NOT_IMPLEMENTED(NULL); |
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| 249 | |
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[706] | 250 | }; |
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| 251 | |
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| 252 | }; //namespace |
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| 253 | #endif // root_H |
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