`message` getter

* Get the method id of the method that caused the error * * @returns the method id */

`reply_code` getter

`reply_text` getter

* Get the error string returned from the broker * * @returns the error string from the broker */

Routing key getter

* Constructor * * @param [in] what the error string to pass to the std::runtime_error * base-class * @param [in] reply_text the error mess

Destructor