3         var data = app.ns("data");
 
   6         data.MetaDataFactory = ux.Observable.extend({
 
   8                         cluster: null // (required) an app.services.Cluster
 
  12                         this.config.cluster.get("_cluster/state", function(data) {
 
  13                                 this.metaData = new app.data.MetaData({state: data});
 
  14                                 this.fire("ready", this.metaData,  { originalData: data }); // TODO originalData needed for legacy ui.FilterBrowser