kernel.h

/***************************************************************************
                        kernel.h  -  description
                            -------------------
    begin                : nov 29th 2005
    copyright            : (C) 2005 by Duong-Khang NGUYEN
    email                : neoneurone @ users sourceforge net
    author               : Victor STINNER
    
    $Id: kernel.h 32 2006-08-06 18:59:25Z neoneurone $
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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 2 of the License, or     *
 *   any later version.                                                    *
 *                                                                         *
 ***************************************************************************/


#ifndef _OPENCITY_KERNEL_H_
#define _OPENCITY_KERNEL_H_ 1

#include "agent.h"

#include <map>
#include <list>

// Forward declaration
class Message;


   /*=====================================================================*/
class Kernel
{
public:
    Kernel();
    ~Kernel();

    unsigned long getStep() const;

//========================================================================
    void live();

    AgentID_t getAgentUniqId();

//========================================================================
    static Kernel* getSingleton();

    void registerAgent(Agent* agent);
    void registerRole(Agent *agent, Role_t role);
    void unregisterAgent(Agent* agent);
    void unregisterRole(Agent *agent, Role_t role);

//========================================================================
    void killAgent(Agent* agent);

    void sendMessage(Role_t role, const Message& msg);
    void sendMessageToAgent(AgentID_t agent, const Message& msg);

    
private:
    static Kernel* m_singleton;             

    unsigned long m_step;
    std::map<AgentID_t, Agent*> m_white_pages;
    typedef std::map<AgentID_t, Agent*>::iterator m_white_pages_it;
    std::map<Role_t, std::list<Agent*> > m_yellow_pages;
    typedef std::map<Role_t, std::list<Agent*> >::iterator m_yellow_pages_it;
    typedef std::list<Agent*>::iterator m_agent_set_it;
    std::list<Agent*> m_agent_dying;
    typedef std::list<Agent*>::iterator m_agent_dying_it;
    AgentID_t m_agent_uniq_id;


   /*=====================================================================*/
   /*                        PRIVATE     METHODS                          */
   /*=====================================================================*/
    Agent& getAgentById(AgentID_t agent);
};


#endif

---