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/***************************************************************************
 *                                                                         *
 *   PSYCHOSYNTH                                                           *
 *   ===========                                                           *
 *                                                                         *
 *   Copyright (C) Juan Pedro Bolivar Puente 2007                          *
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 *   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 this program.  If not, see <http://www.gnu.org/licenses/>. *
 *                                                                         *
 ***************************************************************************/

#ifndef PSYNTH_NODE_MANAGER_H
#define PSYNTH_NODE_MANAGER_H

#include <map>
#include <thread>

#include <psynth/base/pointer.hpp>
#include <psynth/base/iterator.hpp>
#include <psynth/graph/node_output.hpp>

namespace psynth
{
namespace graph
{

class node_manager
{
public:
    typedef base::map_iterator <int, base::mgr_ptr<node>> iterator;
    typedef base::map_const_iterator <int, base::mgr_ptr<node>> const_iterator;

private:
    base::mgr_assoc <std::map <int, base::mgr_ptr <node>>> m_node_map;
    std::list <node_output*> m_outputs;
    std::list <node*> m_delete_list;
    
    std::mutex m_update_mutex;

    void do_delete_node (iterator it);

public:
    node_manager ();
    ~node_manager ();
        
    bool add_node (base::mgr_ptr<node> obj, int id);

    bool delete_node (int id);
    void delete_node (iterator it);

    const_iterator begin () const {
        return m_node_map.begin();
    }
    
    iterator begin () {
        return m_node_map.begin();
    }

    const_iterator end () const {
        return m_node_map.end();
    }
    
    iterator end () {
        return m_node_map.end();
    }
    
    iterator find (int id) {
        return m_node_map.find(id);
    }

    const_iterator find (int id) const {
        return m_node_map.find(id);
    }

    void set_info (const audio_info& info);

    void update ();
};

} /* namespace graph */
} /* namespace psynth */

#endif /* PSYNTH_NODE_MANAGER_H */