ObsPattern_Obs.h

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#ifndef OBSPATTERN_OBS_H_
#define OBSPATTERN_OBS_H_

#include <iostream>
#include <vector>
#include <string>

class Subject;

class Observer
{
  public:
    // constructor in protected
    virtual ~Observer() {} // {std::cout << "Destructor base Observer " << std::endl;}

    virtual void update(Subject *) {
                #ifdef DEBUG_UTIL
        std::cout << "Observer::update " << std::endl;
                #endif
    }

    virtual void update(Subject *, std::vector<std::string> & ) {
        #ifdef DEBUG_UTIL
        std::cout << "Observer::update with message" << std::endl;
        #endif
    }
  protected:
    Observer() {}//{std::cout << "protected constructor of base Observer" << std::endl;}
  //private:
    // comment but need to overwrite later
    //observer(const observer &);
    //observer &operator=(const observer &);

};

#endif /* OBSPATTERN_OBS_H */