Yes, that is how I normally use AsyncToken. You should know though that it also provides for directly assigning handler/callback functions if you prefer that style.
Tracy Spratt, Lariat Services, development services available _____ From: [email protected] [mailto:[email protected]] On Behalf Of valdhor Sent: Wednesday, November 25, 2009 11:05 AM To: [email protected] Subject: [SPAM] [flexcoders] Re: Questions I always wanted to know the answers to - AsyncTokens Using an AsyncToken allows you to have only one event listener and one function to handle all responses from a remote procedure call. You add some data to the AsyncToken and when the call returns you can check what the data was and use that to run different code. For example: myService = new RemoteObject("myDestination"); myService.addEventListener(ResultEvent.RESULT, resultHandler); var myToken:AsyncToken = myService.getPeople(); myToken.data = "getPeople"; myToken.myService.getPlaces(); myToken.data = "getPlaces"; private function resultHandler(event:ResultEvent):void { switch(event.token.data) { case "getPeople": // Do the stuff for getPeople break; case "getPlaces": // Do the stuff for getPlaces break; } } So, if you have a separate event listener and function for each call you make, then Flex will work just as well. It is just a different way to do things. Also note that data can be anything you want like an object or whatever. --- In flexcod...@yahoogro <mailto:flexcoders%40yahoogroups.com> ups.com, "Wally Kolcz" <wko...@...> wrote: > > What is AsyncToken and why is it preferred over just calling the Remote Object's method and adding listeners to the method for the result and fault? > > "This class provides a place to set additional or token-level data for > asynchronous RPC operations. It also allows an IResponder to be attached > for an individual call." What is an example of why you would need to attach the IReponder (addResponser) to a particular method call? > > Again, I see on another site this "In you application you have multiple service calls happening at the > same time and you need to know which data coming back belongs to which > call.". Calling the same method/service (getPeople) multiple times in the same instance or just calling multiple methods (getPeople, getPlaces, getThings) at the same time? I never had a problem with Flex mixing up the results of multiple methods being called before as a view loads up.. > > Thanks for any info you can provide. >
