jaus++/2.0/include/jaus/core/time/timeservice.h

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#ifndef __JAUS_CORE_TIME_SERVICE__H
#define __JAUS_CORE_TIME_SERVICE__H

#include "jaus/core/sensor.h"
#include "jaus/core/date.h"

namespace JAUS
{
    class JAUS_CORE_DLL TimeService : public AccessControl::Child, public Sensor
    {
    public:
        const static std::string Name; 
        // Constructor.
        TimeService();
        // Destructor.
        ~TimeService();
        // Sensors can always be discovered (overload if you don't want this).
        virtual bool IsDiscoverable() const { return true; }
        // Method called when an Event has been signaled, generates an Event message.
        virtual bool GenerateEvent(const Events::Subscription& info) const;
        // Method called to determine if an Event is supported by the service.
        virtual bool IsEventSupported(const Events::Type type,
                                      const double requestedPeriodicRate,
                                      const Message* queryMessage,
                                      double& confirmedPeriodicRate,
                                      std::string& errorMessage) const;
        // Processes messages associated with the TimeService Services.
        virtual void Receive(const Message* message);
        // Creates messages associated with the TimeService Service.
        virtual Message* CreateMessage(const UShort messageCode) const;
        // Set System Time Method
        void SetChangeTimeMethod(bool (*changeTime)(const Time& time, const Date& date)) { mpChangeTimeMethod = changeTime; }
    protected:
        virtual void CheckServiceSynchronization(const unsigned int timeSinceLastCheckMs);
        bool (*mpChangeTimeMethod)(const Time& time, const Date& date);
    };
}

#endif
/*  End of File */