ObsPattern_Sub.h

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#ifndef OBSPATTERN_SUB_H_
#define OBSPATTERN_SUB_H_

#include <vector>
// necessary ??
#include <algorithm>
#include <iostream>

//forward declaration
class Observer;

class Subject
{
public:
  virtual ~Subject() {} //{std::cout << "Destructor base subject" << std::endl;}

  virtual void attach(Observer *obs) {
    vec_observer.push_back(obs);
  }
  virtual void detach(Observer *obs) {
    vec_observer.erase(std::remove(vec_observer.begin(), vec_observer.end(), obs),
                       vec_observer.end());
  }

protected:
  Subject() {} //{std::cout << "protected constructor of base subject";}
  void notify();
  void notify ( std::vector<std::string> & message );

private:
  std::vector<Observer *> vec_observer;

  // comment but maybe important to overwrite, not implemented, generated by compiler ??
  // or overwrittem them ?? certainly
  Subject(const Subject &);
  Subject &operator=(const Subject &);
};

#endif /* OBSPATTERN_SUB_H_ */