code: function(object){
          if (!object) object = {};
          var i, n = this.numHierarchies;
          for (i = 0; i < n; i++) object[this._hierarchyOrder[i]] = this._member(i);
          return object;
      }
docs: Gets the current tuple as an object.
  The object's keys are the hierarchy names, and the members of the current tuple are used as values for the keys.
  For a description of the structure of the member elements, see <code><a href="#method_member">member()</a></code>.
  @method readAsObject
  @param object {object} An existing object to store the tuple data in. If omitted, a new object is returned.
  @return {object} An object that represents the current tuple.