// 这是一个异常，当用户试图连接图中的两个相同节点时抛出

#ifndef SAMENODECONNECTEXCEPTION_H
#define SAMENODECONNECTEXCEPTION_H
#include <exception>
#include <string>


class SameNodeConnectException : public std::exception{
private:
    std::string message;
public:
    SameNodeConnectException():message("Don't connect same node"){}
    SameNodeConnectException(const std::string& msg) : message(msg) {}
    SameNodeConnectException(const std::string& msg,int errCode):message(msg+"Err code: "+std::to_string(errCode)){}

    virtual ~SameNodeConnectException() noexcept {}
    virtual const char* what() const noexcept override {
        return message.c_str();
    }
};
#endif //SAMENODECONNECTEXCEPTION_H