CombinedFeatures.h

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/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * Written (W) 1999-2009 Soeren Sonnenburg
 * Written (W) 1999-2008 Gunnar Raetsch
 * Copyright (C) 1999-2009 Fraunhofer Institute FIRST and Max-Planck-Society
 */

#ifndef _CCOMBINEDFEATURES__H__
#define _CCOMBINEDFEATURES__H__

#include <shogun/features/Features.h>
#include <shogun/lib/List.h>

namespace shogun
{
class CFeatures;
class CList;
class CListElement;

class CCombinedFeatures : public CFeatures
{
    public:
        CCombinedFeatures();
        CCombinedFeatures(const CCombinedFeatures& orig);

        virtual CFeatures* duplicate() const;

        virtual ~CCombinedFeatures();

        inline virtual EFeatureType get_feature_type()
        {
            return F_UNKNOWN;
        }

        inline virtual EFeatureClass get_feature_class()
        {
            return C_COMBINED;
        }

        inline virtual int32_t get_num_vectors() const
        {
            return num_vec;
        }

        virtual int32_t get_size();

        void list_feature_objs();

        bool check_feature_obj_compatibility(CCombinedFeatures* comb_feat);

        CFeatures* get_first_feature_obj();

        CFeatures* get_first_feature_obj(CListElement*& current);

        CFeatures* get_next_feature_obj();

        CFeatures* get_next_feature_obj(CListElement*& current);

        CFeatures* get_last_feature_obj();

        bool insert_feature_obj(CFeatures* obj);

        bool append_feature_obj(CFeatures* obj);

        bool delete_feature_obj();

        int32_t get_num_feature_obj();

        inline virtual const char* get_name() const { return "CombinedFeatures"; }

    private:
        void init();

    protected:
        CList* feature_list;

        int32_t num_vec;
};
}
#endif