Meteor.call and stub methods

method_stub.js

if (Meteor.isClient) {
  Template.hello.created = function() {
    // this = Template Object
    console.log("Template.hello.created");
    this.stub_method_result = 'not yet';
  };

  Template.hello.greeting = function () {
    // this = Window Object
    var v = Session.get("greeting");
    console.log("Template.hello.greeting "+v);
    return v;
  };

  Template.hello.rendered = function() {
    // this = Template Object
    console.log("Template.hello.rendered "+this.stub_method_result);
  };

  Template.hello.events({
    'click input' : function (e, template) {
      Meteor.call('stub_method', new Date().getTime() , function(err, result){
        template.stub_method_result = result;
        Session.set("greeting", result);
      });
    }
  });

  Meteor.startup(function(){
    Session.setDefault("greeting", "Hello Default");
  });
}

if (Meteor.isServer) {
  Meteor.startup(function () {
    // code to run on server at startup
  });
}
//
// this exists on server + client
//
Meteor.methods({
  stub_method: function(v) {
    if(this.isSimulation)
    {
      // this runs only on the client
      console.log("stub_method method client "+v);
      // never a return value, will always be async, so we need to use a Session value to get to the result
      Session.set("greeting", "Hello Client "+v);
    }
    else
    {
      // this only runs on the server
      console.log("server "+v);
      // create small delay before returning so we can see the client's response first
      for(var i=parseInt(v,10);i>0;i--) {
        i-=5000;
      }
      // the return value will be in the result parameter of the async callback
      return "Hello Server "+v;
    }
  }
});