ControlInterface.hpp

#ifndef ZAO_ENDPOINT_MONITOR_CONTROL_INTERFACE_HPP_
#define ZAO_ENDPOINT_MONITOR_CONTROL_INTERFACE_HPP_
 
#include <memory>
 
#include "../EventSourceInterface.hpp"
 
namespace zao {
namespace endpoint {
namespace monitor {
 
template <class T>
class MonitorCallbackInterface;
 
class ControlCommonInterface {
 public:
  virtual void Unobserve() = 0;
 
  virtual bool IsObserving() const noexcept = 0;
 
  virtual ~ControlCommonInterface() noexcept = default;
};
 
template <class T>
class ControlInterface
    : public ControlCommonInterface,
      public EventSourceInterface<MonitorCallbackInterface<T>> {
 public:
  virtual bool GetLatest(T& buffer) = 0;
 
  virtual ~ControlInterface() noexcept = default;
};
 
}  // namespace monitor
}  // namespace endpoint
}  // namespace zao
 
#endif  // ZAO_ENDPOINT_MONITOR_CONTROL_INTERFACE_HPP_