source: source/ariba/utility/system/SystemEvent.h@ 12770

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#ifndef SYSTEMEVENT_H_

#define SYSTEMEVENT_H_



#include <boost/date_time.hpp>

#include <iostream>

#include "SystemEventType.h"



using boost::posix_time::ptime;



namespace ariba {

namespace utility {



class SystemQueue;

class SystemEventListener;



class SystemEvent {

        friend class SystemQueue;

private:

        SystemEventListener* listener; //< handler of the event

        SystemEventType type; //< type of the event

        const void* data; //< data attached to the event



public:

        // TODO: these should be private, but the gcc 3.4 in scratchbox for cross-compiling

        // for Maemo (Nokia N810) gets confused when the friend class SystemQueue has a 

        // private class that accesses these variables. Therefore they are public for now.

        ptime scheduledTime; //< time the event was originally given to the queue

        ptime deadline; //< time when the event should be executed  TODO Mario 

        uint32_t delayTime; //< time the event is scheduled at, or 0 if it is to be fired immediately

        uint32_t remainingDelay; //< remaining delay time for sleeping



public:

        inline SystemEvent(SystemEventListener* mlistener, SystemEventType mtype =

                        SystemEventType::DEFAULT, void* mdata = NULL) :

                listener(mlistener), 

                type(mtype), 

                data(mdata), 

                scheduledTime(boost::posix_time::not_a_date_time),

                deadline(boost::posix_time::not_a_date_time),

                delayTime(0),

                remainingDelay(0)

        {

        }



        template<typename T>

        inline SystemEvent(SystemEventListener* mlistener, SystemEventType mtype =

                        SystemEventType::DEFAULT, T* mdata = NULL) :

                listener(mlistener), 

                type(mtype), 

                data((void*) mdata), 

                scheduledTime(boost::posix_time::not_a_date_time),

                deadline(boost::posix_time::not_a_date_time),

                delayTime(0),

                remainingDelay(0) {

        }



        inline SystemEvent(const SystemEvent& copy) {

                this->scheduledTime = copy.scheduledTime;

        this->deadline = copy.deadline;

                this->delayTime = copy.delayTime;

                this->remainingDelay = copy.remainingDelay;

                this->listener = copy.listener;

                this->type = copy.type;

                this->data = copy.data;

        }



        inline void operator=(const SystemEvent& right) {

                this->scheduledTime = right.scheduledTime;

        this->deadline = right.deadline;

                this->delayTime = right.delayTime;

                this->remainingDelay = right.remainingDelay;

                this->listener = right.listener;

                this->type = right.type;

                this->data = right.data;

        }



        inline ~SystemEvent() {

        }



        template<typename T>

        inline operator T() const {

                return (T) (data);

        }



        inline SystemEventListener* getListener() const {

                return listener;

        }



        template<typename T>

        inline T* getData() const {

                return (T*) *this;

        }



        inline const SystemEventType getType() const {

                return type;

        }



        inline const ptime getScheduledTime() const {

                return scheduledTime;

        }



        inline const uint32_t getRemainingDelay() const {

                return remainingDelay;

        }



        bool operator<(const SystemEvent& right) const

        {

                return this->deadline < right.deadline;

        }



    bool operator>(const SystemEvent& right) const

    {

        return this->deadline > right.deadline;

    }



};



}

} // spovnet, common



#endif /* SYSTEMEVENT_H_ */