SHOGUN
v3.2.0
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00001 /* 00002 * This program is free software; you can redistribute it and/or modify 00003 * it under the terms of the GNU General Public License as published by 00004 * the Free Software Foundation; either version 3 of the License, or 00005 * (at your option) any later version. 00006 * 00007 * Written (W) 1999-2009 Soeren Sonnenburg 00008 * Written (W) 1999-2008 Gunnar Raetsch 00009 * Written (W) 2011-2012 Heiko Strathmann 00010 * Copyright (C) 1999-2009 Fraunhofer Institute FIRST and Max-Planck-Society 00011 */ 00012 00013 #ifndef _CFEATURES__H__ 00014 #define _CFEATURES__H__ 00015 00016 #include <shogun/lib/common.h> 00017 #include <shogun/io/File.h> 00018 #include <shogun/base/SGObject.h> 00019 #include <shogun/preprocessor/Preprocessor.h> 00020 #include <shogun/features/FeatureTypes.h> 00021 #include <shogun/features/SubsetStack.h> 00022 #include <shogun/lib/List.h> 00023 #include <shogun/lib/DynamicObjectArray.h> 00024 #include <shogun/lib/DynamicArray.h> 00025 00026 namespace shogun 00027 { 00028 class CFile; 00029 class CPreprocessor; 00030 class CKernel; 00031 } 00032 00033 namespace shogun 00034 { 00035 00062 class CFeatures : public CSGObject 00063 { 00064 public: 00069 CFeatures(int32_t size=0); 00070 00072 CFeatures(const CFeatures& orig); 00073 00078 CFeatures(CFile* loader); 00079 00086 virtual CFeatures* duplicate() const=0; 00087 00088 virtual ~CFeatures(); 00089 00096 virtual EFeatureType get_feature_type() const=0; 00097 00104 virtual EFeatureClass get_feature_class() const=0; 00105 00110 virtual void add_preprocessor(CPreprocessor* p); 00111 00116 virtual void del_preprocessor(int32_t num); 00117 00122 CPreprocessor* get_preprocessor(int32_t num) const; 00123 00128 void set_preprocessed(int32_t num); 00129 00134 bool is_preprocessed(int32_t num) const; 00135 00140 int32_t get_num_preprocessed() const; 00141 00146 int32_t get_num_preprocessors() const; 00147 00149 void clean_preprocessors(); 00150 00152 void list_preprocessors(); 00153 00158 int32_t get_cache_size() const; 00159 00166 virtual int32_t get_num_vectors() const=0; 00167 00176 virtual bool reshape(int32_t num_features, int32_t num_vectors); 00177 00179 void list_feature_obj() const; 00180 00185 virtual void load(CFile* loader); 00186 00191 virtual void save(CFile* writer); 00192 00198 bool check_feature_compatibility(CFeatures* f) const; 00199 00205 bool has_property(EFeatureProperty p) const; 00206 00211 void set_property(EFeatureProperty p); 00212 00217 void unset_property(EFeatureProperty p); 00218 00229 virtual CFeatures* create_merged_copy(CList* others) 00230 { 00231 SG_ERROR("%s::create_merged_copy() is not yet implemented!\n") 00232 return NULL; 00233 } 00234 00243 virtual CFeatures* create_merged_copy(CFeatures* other) 00244 { 00245 SG_ERROR("%s::create_merged_copy() is not yet implemented!\n") 00246 return NULL; 00247 } 00248 00254 virtual void add_subset(SGVector<index_t> subset); 00255 00258 virtual void remove_subset(); 00259 00262 virtual void remove_all_subsets(); 00263 00268 virtual CSubsetStack* get_subset_stack(); 00269 00271 virtual void subset_changed_post() {} 00272 00282 virtual CFeatures* copy_subset(SGVector<index_t> indices); 00283 00284 private: 00285 void init(); 00286 00287 private: 00289 uint64_t properties; 00290 00292 int32_t cache_size; 00293 00295 CDynamicObjectArray* preproc; 00296 00298 CDynamicArray<bool>* preprocessed; 00299 00300 protected: 00302 CSubsetStack* m_subset_stack; 00303 }; 00304 } 00305 #endif