DataTableDataSource polling

gistfile1.js

YUI().use("datatable", "datasource-io", "datasource-jsonschema", "datatable-datasource", "datasource-polling", function (Y) {
  
  Y.mix(Y.Plugin.DataTableDataSource.prototype, {
    initializer: function (config) {
      this.after('datasourceChange', this._bindDataSource);
      if (config.datasource) {
        this._bindDataSource({
          newVal: config.datasource
        });
      }
      if (typeof config.initialRequest !== 'undefined') {
        this.load({
          request: config.initialRequest
        });
      }
    },
    destructor: function () {
      if (this._dsHandler) {
        this._dsHandler.detach();
        this._dsHandler = null;
      }
    },
    _bindDataSource: function (e) {
      if (this._dsHandler) {
        this._dsHandler.detach();
        this._dsHandler = null;
      }
      if (e.newVal) {
        this._dsHandler = e.newVal.on('response', this.onDataReturnInitializeTable, this);
      }
    },
    load: function (config) {
      config = config || {};
      config.request = config.request || this.get("initialRequest");
      
      if (config.datasource) {
        this.set('datasource', config.datasource);
      }
      this.get('datasource').sendRequest(config);
    }
  }, true);
  
  
  var url = "/ukotir/1/js/",
      dataSource,
      table;
  
  dataSource = new Y.DataSource.IO({
    source: url
  });
  
  dataSource.plug(Y.Plugin.DataSourceJSONSchema, {
    schema: {
      resultListLocator: "query.results.Result",
      resultFields: [
        "Title",
        "Phone",
        {
          key: "Rating",
          locator: "Rating.AverageRating",
          parser: function (val) {
            return Math.floor(Math.random() * 10) + '';
          }
        }
      ]
    }
  });
  
  table = new Y.DataTable({
    columns: [
      "Title",
      "Phone",
      {
        key: "Rating",
        formatter: function (o) {
          if (o.value === -1) {
            o.value = '(none)';
          }
        }
      }
    ],
    summary: "Pizza places near 98089",
    caption: "Table with JSON data"
  });
  
  table.plug(Y.Plugin.DataTableDataSource, {
    datasource: dataSource
  });
  
  table.render("#pizza");
  
  dataSource.setInterval(1000, {
    request: ''
  });

});