datapool.hh

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/* -*- mia-c++  -*-
 *
 * This file is part of MIA - a toolbox for medical image analysis 
 * Copyright (c) Leipzig, Madrid 1999-2017 Gert Wollny
 *
 * MIA 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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with MIA; if not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef mia_core_datapool_hh
#define mia_core_datapool_hh

#include <map>
#include <boost/any.hpp>

#include <mia/core/parallel.hh>

NS_MIA_BEGIN

class EXPORT_CORE CDatapool {
public:

        void add(const std::string& key, boost::any value);
        boost::any get(const std::string& key) const;

        boost::any get_and_remove(const std::string& key);

        void remove(const std::string& key);

        
        bool has_key(const std::string& key) const;
        static CDatapool& instance();

        bool has_unused_data() const;

        void clear();
private:

        CDatapool();
        CDatapool(const CDatapool& other);
        typedef std::map<std::string, boost::any> Anymap;
        typedef Anymap::const_iterator const_iterator;
        const_iterator get_iterator(const std::string& key) const;
        Anymap m_map;
        typedef std::map<std::string,bool> Usagemap;
        mutable Usagemap m_usage;
        static CRecursiveMutex m_mutex; 
};

NS_MIA_END

#endif