text: /*
  YUI 3.11.0 (build d549e5c)
  Copyright 2013 Yahoo! Inc. All rights reserved.
  Licensed under the BSD License.
  http://yuilibrary.com/license/
  */
  
  YUI.add('datasource-polling', function (Y, NAME) {
  
  /**
   * Extends DataSource with polling functionality.
   *
   * @module datasource
   * @submodule datasource-polling
   */
      
  /**
   * Adds polling to the DataSource Utility.
   * @class Pollable
   * @extends DataSource.Local
   */    
  function Pollable() {
      this._intervals = {};
  }
  
  Pollable.prototype = {
  
      /**
      * @property _intervals
      * @description Hash of polling interval IDs that have been enabled,
      * stored here to be able to clear all intervals.
      * @private
      */
      _intervals: null,
  
      /**
       * Sets up a polling mechanism to send requests at set intervals and
       * forward responses to given callback.
       *
       * @method setInterval
       * @param msec {Number} Length of interval in milliseconds.
       * @param [request] {Object} An object literal with the following properties:
       *     <dl>
       *     <dt><code>request</code></dt>
       *     <dd>The request to send to the live data source, if any.</dd>
       *     <dt><code>callback</code></dt>
       *     <dd>An object literal with the following properties:
       *         <dl>
       *         <dt><code>success</code></dt>
       *         <dd>The function to call when the data is ready.</dd>
       *         <dt><code>failure</code></dt>
       *         <dd>The function to call upon a response failure condition.</dd>
       *         <dt><code>argument</code></dt>
       *         <dd>Arbitrary data payload that will be passed back to the success and failure handlers.</dd>
       *         </dl>
       *     </dd>
       *     <dt><code>cfg</code></dt>
       *     <dd>Configuration object, if any.</dd>
       *     </dl>
       * @return {Number} Interval ID.
       */
      setInterval: function(msec, request) {
          var x = Y.later(msec, this, this.sendRequest, [ request ], true);
          this._intervals[x.id] = x;
          // First call happens immediately, but async
          Y.later(0, this, this.sendRequest, [request]);
          return x.id;
      },
  
      /**
       * Disables polling mechanism associated with the given interval ID.
       *
       * @method clearInterval
       * @param id {Number} Interval ID.
       */
      clearInterval: function(id, key) {
          // In case of being called by clearAllIntervals()
          id = key || id;
          if(this._intervals[id]) {
              // Clear the interval
              this._intervals[id].cancel();
              // Clear from tracker
              delete this._intervals[id];
          }
      },
  
      /**
       * Clears all intervals.
       *
       * @method clearAllIntervals
       */
      clearAllIntervals: function() {
          Y.each(this._intervals, this.clearInterval, this);
      }
  };
      
  Y.augment(Y.DataSource.Local, Pollable);
  
  
  }, '3.11.0', {"requires": ["datasource-local"]});
  