nodes_observer.h

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#ifndef TOWR_TOWR_INCLUDE_TOWR_VARIABLES_NODES_OBSERVER_H_
#define TOWR_TOWR_INCLUDE_TOWR_VARIABLES_NODES_OBSERVER_H_


namespace towr {

class Nodes;

class NodesObserver {
public:
  using NodeSubjectPtr = Nodes*; // observer shouldn't own subject

  NodesObserver(NodeSubjectPtr node_values);
  virtual ~NodesObserver() = default;

  virtual void UpdateNodes() = 0;

protected:
  NodeSubjectPtr node_values_;
};

} /* namespace towr */

#endif /* TOWR_TOWR_INCLUDE_TOWR_VARIABLES_NODES_OBSERVER_H_ */