Labels.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
 * Written (W) 2011-2012 Heiko Strathmann
 * Copyright (C) 1999-2009 Fraunhofer Institute FIRST and Max-Planck-Society
 */

#ifndef _LABELS__H__
#define _LABELS__H__

#include <shogun/lib/common.h>
#include <shogun/base/SGObject.h>
#include <shogun/labels/LabelTypes.h>
#include <shogun/features/SubsetStack.h>

namespace shogun
{
class CLabels : public CSGObject
{
    public:
        CLabels();

        virtual ~CLabels();

        virtual void ensure_valid(const char* context=NULL)=0;

        virtual int32_t get_num_labels()=0;

        virtual ELabelType get_label_type()=0;

        virtual void add_subset(SGVector<index_t> subset);

        virtual void remove_subset();

        virtual void remove_all_subsets();

        virtual void set_value(float64_t value, int32_t idx);

        virtual float64_t get_value(int32_t idx);

        virtual void set_values(SGVector<float64_t> values);

        virtual SGVector<float64_t> get_values();

    private:
        void init();

    protected:

        CSubsetStack* m_subset_stack;

        SGVector<float64_t> m_current_values;
};
}
#endif