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  1. Prepare
  2. C++
  3. Debugging
  4. Messages Order
  5. Discussions

Messages Order

  • anoh_erwin
     + 0 comments

    Here is my solution. I use a static counter for each message created and I attribute it a rank. These ranks are used in the operator< to retrieve the messages order.

    class Message {
private:
    string text;
    static int nbMessages;
    int rank;    
public: 
    Message() {}
    Message(const string& ptext): text(ptext) {
        nbMessages++;
        rank = nbMessages;    
    };    
    const string& get_text() {
        return text;
    }
    const int& get_rank() {
        return rank;
    }
    bool operator< (Message&);
};
bool Message::operator<(Message& msg){
    if(rank <= msg.get_rank()) return true;
    return false;
}

int Message::nbMessages = 0;

class MessageFactory {
public:
    MessageFactory() {}
    Message create_message(const string& text) {
        Message msg(text);
        return msg;
    }
};