i wrote a wizard framework for the company i work for, and we have been using it with great success. it is driven by a general workflow like engine, and the steps are panels we often reuse elsewhere.
-Igor
On 4/14/06, Timo Stamm <[EMAIL PROTECTED]> wrote:
Eelco Hillenius schrieb:
> I can't speak for Igor - though we have talked about that too - but
> for my opion see e.g.
> http://www.theserverside.com/news/thread.tss?thread_id=39579#204913
Thanks for the link.
> mind you that Wicket allows for very fancy state optimizations as
> well.
Quoting from a response from Bruce Tate (taken from your link):
| check out Seaside's online store as an example of a wizard with
| continuations. It's a classic shopping cart. The code:
|
| go
| | shipping billing creditCard |
| cart _ WAStoreCart new.
| self isolate:
| [[self fillCart.
| self confirmContentsOfCart]
| whileFalse].
|
| self isolate:
| [shipping <- self getShippingAddress.
| billing <- (self useAsBillingAddress: shipping)
| ifFalse: [self getBillingAddress]
| ifTrue: [shipping].
| creditCard <- self getPaymentInfo.
| self shipTo: shipping billTo: billing payWith: creditCard].
|
| self displayConfirmation.
I like this a lot better than spreading the logic over several
components and handlers.
> So, I'm not pro continuations in Wicket at this point, except for the
> ajax optimization with Jetty, which will probably be implemented
> transparently.
I am not asking you to write it :) I just want to discuss the idea,
because I would like to know what benefit or problems/incompatibilities
other people see.
> Geert has done the extra effort
> of ensuring his continutation API can be used without RIFE
WebWork already has some support.
Timo
, so that's
> certainly an option (I think, because I never seriously thought about
> how this would/ should be integrated in Wicket).
>
> My 2c,
>
> Eelco
>
> On 4/14/06, Timo Stamm <[EMAIL PROTECTED]> wrote:
>> Igor,
>>
>>
>> do you know RIFE/Continuations? It uses continuations for better state
>> handling and control flow instead of better performance.
>>
>> There are some examples in this slide (pages 5 to 8):
>> https://www.dev.java.net/files/documents/204/3120/rife_fosdem_2004.pdf
>>
>> It really looks like an interesting concept. You could keep complicated
>> flow control for business-logic at one place.
>>
>> It changes the bytecode using ASM, but if it's done properly, I don't care.
>>
>>
>> Timo
>>
>>
>> Igor Vaynberg schrieb:
>>> well, at some point the server calls will start returning right? and so
>>> xmlhttprequest objects will start being reused. it will consume memory to a
>>> certain point and then stop. if you ask me 100ms for an ajax update is
>>> unreasonable anyways, this is what jetty 6 continuations are for which would
>>> be relatively simple to integrate into wicket as an alternative for ajax
>>> self updating behaviors.
>>>
>>> -Igor
>>
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