jaus++/2.0/include/jaus/core/liveness/liveness.h
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00001 00002 00003 00004 00005 00006 00007 00008 00009 00010 00011 00012 00013 00014 00015 00016 00017 00018 00019 00020 00021 00022 00023 00024 00025 00026 00027 00028 00029 00030 00031 00032 00033 00034 00035 00036 00037 00038 00039 00040 #ifndef __JAUS_CORE_LIVENESS__H 00041 #define __JAUS_CORE_LIVENESS__H 00042 00043 #include "jaus/core/events/events.h" 00044 #include "jaus/core/liveness/queryheartbeatpulse.h" 00045 #include "jaus/core/liveness/reportheartbeatpulse.h" 00046 00047 namespace JAUS 00048 { 00056 class JAUS_CORE_DLL Liveness : public Events::Child 00057 { 00058 public: 00059 const static std::string Name; 00060 // Constructor. 00061 Liveness(); 00062 // Destructor. 00063 ~Liveness(); 00064 // Method called when an Event has been signaled, generates an Event message. 00065 virtual bool GenerateEvent(const Events::Subscription& info) const; 00066 // Method called to determine if an Event is supported by the service. 00067 virtual bool IsEventSupported(const Events::Type type, 00068 const double requestedPeriodicRate, 00069 const Message* queryMessage, 00070 double& confirmedPeriodicRate, 00071 std::string& errorMessage) const; 00072 // Liveness is always discoverable. 00073 virtual bool IsDiscoverable() const { return true; } 00074 // Processes messages associated with the Liveness Services. 00075 virtual void Receive(const Message* message); 00076 // Creates messages associated with the Liveness Service. 00077 virtual Message* CreateMessage(const UShort messageCode) const; 00078 }; 00079 } 00080 00081 #endif 00082 /* End of File */
