daemon/src/core/Event.h

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/*
 * Event.h
 *
 *  Created on: 05.03.2009
 *      Author: morgenro
 */

#ifndef EVENT_H_
#define EVENT_H_

#include "core/EventReceiver.h"
#include <ibrcommon/thread/Mutex.h>
#include <ibrcommon/thread/Conditional.h>

namespace dtn
{
        namespace core
        {
                class Event
                {
                public:
                        virtual ~Event() = 0;
                        virtual const std::string getName() const = 0;

                        virtual std::string toString() const = 0;

                        void set_ref_count(size_t c);
                        bool decrement_ref_count();

                        const int prio;

                protected:
                        Event(int prio = 0);
                        static void raiseEvent(Event *evt, bool block_until_processed = false);

                private:
                        ibrcommon::Conditional _ref_count_mutex;
                        size_t _ref_count;

                        // mark the event for auto deletion if the last reference is gone
                        bool _auto_delete;

                        // mark the event as processed
                        bool _processed;
                };
        }
}

#endif /* EVENT_H_ */