text: /**
   * Priority
   *
   * Copyright (c) 2014 Renato de Pontes Pereira.
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to 
   * deal in the Software without restriction, including without limitation the 
   * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
   * sell copies of the Software, and to permit persons to whom the Software is 
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
   * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
   * IN THE SOFTWARE.
  **/
  
  /**
   * @module Behavior3JS
   **/
  
  // namespace:
  this.b3 = this.b3 || {};
  
  (function() {
  "use strict";
  
  /**
   * Priority ticks its children sequentially until one of them returns 
   * `SUCCESS`, `RUNNING` or `ERROR`. If all children return the failure state, 
   * the priority also returns `FAILURE`.
   *
   * @class Priority
   * @extends Composite
  **/
  var Priority = b3.Class(b3.Composite);
  
  var p = Priority.prototype
  
      /**
       * Node name. Default to `Priority`.
       *
       * @property name
       * @type String
       * @readonly
      **/
      p.name = 'Priority';
  
      /**
       * Tick method.
       *
       * @method tick
       * @param {Tick} tick A tick instance.
       * @returns {Constant} A state constant.
      **/
      p.tick = function(tick) {
          for (var i=0; i<this.children.length; i++) {
              var status = this.children[i]._execute(tick);
  
              if (status !== b3.FAILURE) {
                  return status;
              }
          }
  
          return b3.FAILURE;
      }
  
  b3.Priority = Priority;
  
  })();