virtual void onStateChanged(HandlerState::Enum newState)=0
Implement this member to get notifications about handler state change.
virtual ~HandlerStateListener()
Disables public delete operator in the interface class.
std::string enumToString(HandlerState::Enum)
Returns string representation of HandlerState value.
Defines the state that the handler is in.
Enum
Defines the state that the handler is in.
@ Stopping
The intermediate state when the Handler is not Stopped but not Started.
@ Starting
The intermediate state when the Handler is not Started but not Stopped.