notify(path, oRoot) {
        path = path.substr(1);
        this._log[path] = true;
        const value = Extender.objectGet(oRoot, path);
        this._events.emit(REACTOR_CHANGED_EVENT_NAME, {key: path, root: oRoot, value});
    }
/**
     * add a hierarchic key to the mutation log
     * @param path {string} hierarchic key
     */
add a hierarchic key to the mutation log
@param path {string} hierarchic key
add a hierarchic key to the mutation log @param path { string } hierarchic key
notify(path, oRoot) {
        path = path.substr(1);
        this._log[path] = true;
        const value = Extender.objectGet(oRoot, path);
        this._events.emit(REACTOR_CHANGED_EVENT_NAME, {key: path, root: oRoot, value});
    }
notify ( path , oRoot ) { path = path . substr ( 1 ) ; this . _log [ path ] = true ; const value = Extender . objectGet ( oRoot , path ) ; this . _events . emit ( REACTOR_CHANGED_EVENT_NAME , { key : path , root : oRoot , value } ) ; }
add a hierarchic key to the mutation log
 @param path {string} hierarchic key
add a hierarchic key to the mutation log @param path { string } hierarchic key