DummyFeatures.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) 2009 Soeren Sonnenburg
 * Copyright (C) 2009 Fraunhofer Institute FIRST and Max-Planck-Society
 */

#ifndef _DUMMYFEATURES__H__
#define _DUMMYFEATURES__H__

#include "lib/common.h"
#include "features/Features.h"
#include "base/Parameter.h"

namespace shogun
{
class CDummyFeatures : public CFeatures
{
    void init(void) {
        m_parameters->add(&num_vectors, "num_vectors",
                          "Number of feature vectors.");
    }

    public:
        CDummyFeatures(void) {
            init();

            num_vectors = 0;
        }

        CDummyFeatures(int32_t num) : CFeatures(0), num_vectors(num)
        {
            init();
        }

        CDummyFeatures(const CDummyFeatures &orig) : CFeatures(0),
            num_vectors(orig.num_vectors)
        {
            init();
        }

        virtual ~CDummyFeatures()
        {
        }

        virtual int32_t get_num_vectors()
        {
            return num_vectors;
        }

        virtual int32_t get_size()
        {
            return 1;
        }

        virtual CFeatures* duplicate() const
        {
            return new CDummyFeatures(*this);
        }

        inline EFeatureType get_feature_type()
        {
            return F_ANY;
        }

        inline virtual EFeatureClass get_feature_class()
        {
            return C_ANY;
        }

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

    protected:
        int32_t num_vectors;
};
}
#endif