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Date: Fri, 23 Nov 2012 18:07:33 +0100
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Subject: Re: Asynchronous
From: Gege <gegefr@gmail.com>
To: users@cxf.apache.org
Content-Type: text/plain; charset=ISO-8859-1

OK, I misunderstood. Thanks for the clarification !


2012/11/23 Sergey Beryozkin <sberyozkin@gmail.com>:
> On 23/11/12 15:55, Gege wrote:
>>
>> Thanks a lot.
>> Event if i don't use a RS asynchronous client right now. It might
>> prove usefull to switch from WS to RS.
>
>
> I just think it can be a useful feature to let users to select which methods
> will be handled at the code gen time, it won't imply that they'd need to
> switch from WS if they also have WS frontends or that they have to use async
> clients - will work Ok with browser based clients too or sync coded clients,
>
> I only now see that you actually were more interested in the async clients
> :-) - this new option will help on the server only, to get the code
> generator facilitating the support for async clients @UseAsyncMethod would
> have to supported, not there yet
>
> Thanks, Sergey
>
>
>>
>> 2012/11/23 Sergey Beryozkin<sberyozkin@gmail.com>:
>>>
>>> On 12/11/12 14:19, Sergey Beryozkin wrote:
>>>>
>>>>
>>>> On 11/11/12 12:38, Gege wrote:
>>>>>
>>>>>
>>>>> Hi,
>>>>>
>>>>> I'm using CXF between two endpoints (both are AS) in SOAP and/or REST
>>>>> over
>>>>> HTTP.
>>>>>
>>>>> I want network callflows to be as simple as possible (no callbacks,
>>>>> plain
>>>>> simple request/answer) and i want to be resources-efficient because
>>>>> some
>>>>> requests might be long (and i'll have long-polling for events).
>>>>>
>>>>> So, I need to have asynchronous implementations (in java) of both
>>>>> client
>>>>> and servers.
>>>>>
>>>>> Here is where i stand:
>>>>>
>>>>> SOAP (jax-ws) :
>>>>> - asynchronous client : OK (wsimport + binding.xml)
>>>>> - asynchronous server : not supported yet by CXF (AsyncProvider is
>>>>> specified in jax-ws 2.2, it's not the most simple to implement (handle
>>>>> the
>>>>> XML myself...) but it should be able to do the job, might be supported
>>>>> in
>>>>> jax-ws-ri by sun).
>>>>>
>>>>> REST (jax-rs) :
>>>>> - asynchronous client (cxf-wadl2java) : ? i did find anything about
>>>>> asynchronous client and I really hope someone can give me a pointer
>>>>
>>>>
>>>>
>>>> I guess we can extend cxf-wadl2java to get "@Suspended AsyncResponse"
>>>> added to the generated signature if a current method id is listed,
>>>> example, "-async getIt", where "getIt" is the name or id of some
>>>> specific WADL method element. I'll think about it...
>>>>
>>>
>>> The code generator has been updated on the trunk to support "-async"
>>> option,
>>> for example, '-async get,addBook' where 'get' will match all WADL methods
>>> with name "GET", and 'addBook' - a specific method with id attribute
>>> 'addBook'
>>>
>>> "-managedAsync" option for supporting "@UseAsyncMethod" style will be
>>> added
>>> later...
>>>
>>> Sergey
>>>
>>>
>>>> However, that will only help with preparing the server code, the proxy
>>>> based client code will not be able to run in the async mode itself, it
>>>> is only possible to use WebClient for the client code itself to run
>>>> asynchronously.
>>>>
>>>> thanks, Sergey
>>>>
>>>>> - asynchronous server : OK using AsyncResponse (jax-rs 2.0) and some
>>>>> fixes
>>>>> that i'll post once i've tested a bit more
>>>>>
>>>>> For now, I feel like there are some pieces missing.
>>>>> Of course i could implement a REST client myself, but i feel it's a
>>>>> waste.
>>>>> There are libraries and utilities everywhere and what I want to do
>>>>> seems
>>>>> pretty much in the scope of jax-rs and jax-ws).
>>>>>
>>>>> Thanks in advance.
>>>>>
>>>>
>>>>
>>>
>>>
>>> --
>>> Sergey Beryozkin
>>>
>>> Talend Community Coders
>>> http://coders.talend.com/
>>>
>>> Blog: http://sberyozkin.blogspot.com
>
>
>
> --
> Sergey Beryozkin
>
> Talend Community Coders
> http://coders.talend.com/
>
> Blog: http://sberyozkin.blogspot.com