YansCore/EventQueue.h

#ifndef _EVENTQUEUE_H
#define _EVENTQUEUE_H

#include <deque>
#include <map>
#include <queue>
#include <boost/random.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/bind.hpp>
#include <boost/function.hpp>

#include "../YansCore/Types.h"
#include "../YansCore/Event.h"

namespace YansCoreNS
{
    typedef std::pair<Time, boost::shared_ptr<Event const> > TimedEvent;

    class EventQueue
    {
        typedef std::pair<Time, size_t> QueueIndex;

        typedef std::map<QueueIndex, boost::shared_ptr<Event const> > Queue;

    public:
        explicit EventQueue (RandomNumberGenerator & rng);

        ~EventQueue (void);

        void AddEvent (Time time,
                       boost::shared_ptr<Event> event);

        bool RemoveEvent (Time time,
                          boost::shared_ptr<Event const> event);

        bool RemoveEvent (boost::shared_ptr<Event const> event);

        TimedEvent GetNextEvent (void);

    private:
        EventQueue (EventQueue const &);

        Queue queue; 
        RandomNumberGenerator & rng; 
        Event::EventID currentEventId; 
    };

    typedef boost::function<void (Time, boost::shared_ptr<Event>)> ScheduleEventFunction;
}

#endif  /* _EVENTQUEUE_H */

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