'use strict';

(function(){
  angular.module('app')
  .factory('MyController', MyController);

  MyController.$inject = [ '$scope', 'myService' ];
  function MyController($scope, myService){

    $scope.$watch(
      myService.getData,
      function (newValue) {
        //-- value has changed: do something
        console.log('new value:', newValue);
      }
    );

  }

}());