4.7.2/api-reference/_observer_8hpp_source.html

#ifndef _DITTO_OBSERVER_

#define _DITTO_OBSERVER_


namespace ditto {


class Observer {

private:

  virtual void on_stop() = 0;


protected:

  bool stopped;


  Observer();

  ~Observer();


public:

  void stop();


  bool is_stopped();

};


} // namespace ditto


#endif

ditto::Observer
An observation token returned by any observation API in the Ditto SDK. Retain this object to continue...
Definition Observer.hpp:11

ditto::Observer::stop
void stop()
Stops the observation and cleans up all associated resources.
Definition Observer.cpp:10

ditto::Observer::is_stopped
bool is_stopped()
Returns true is the Observer was stopped.
Definition Observer.cpp:17

ditto::Observer::Observer
Observer()
Constructs a new Observer.
Definition Observer.cpp:4

ditto::Observer::stopped
bool stopped
Track if the Observer has already been stopped so we don't stop it twice when destroying the object.
Definition Observer.hpp:23

ditto::Observer::~Observer
~Observer()
Destroy the Abstract Observer object canceling the observer if it hasn't been done in stop
Definition Observer.cpp:8