@PostCreate, @PreDestroy?
On 12/13/2012 7:46 PM, Marek Potociar wrote:
> Helo Experts,
>
> in case you have missed it, there was a request on our users mailing
> list asking for adding Application.shutdown() hook into JAX-RS API. I
> would like to ask you for a feedback on adding support for such
> init/shutdown hook methods into JAX-RS Application class.
>
> Than you,
> Marek
>
> Begin forwarded message:
>
>> *From: *James Shaw <js102_at_zepler.net <mailto:js102_at_zepler.net>>
>> *Subject: **[jax-rs-spec users] Re: Lifecycle management in
>> Application subclasses*
>> *Date: *December 13, 2012 6:40:41 PM GMT+01:00
>> *To: *users_at_jax-rs-spec.java.net <mailto:users_at_jax-rs-spec.java.net>
>> *Reply-To: *users_at_jax-rs-spec.java.net <mailto:users_at_jax-rs-spec.java.net>
>>
>> On 13 December 2012 15:52, Marek Potociar <marek.potociar_at_oracle.com
>> <mailto:marek.potociar_at_oracle.com>> wrote:
>>>
>>> On Dec 6, 2012, at 12:29 PM, James Shaw <js102_at_zepler.net
>>> <mailto:js102_at_zepler.net>> wrote:
>>>
>>>> I hope this is the correct place to raise this.
>>>>
>>>> I was looking for an Application method I could override that would be
>>>> executed when the servlet container shuts down (I have some
>>>> ExecutorServices that need to be stopped)
>>>>
>>>> I couldn't find such a method, so I've worked around the problem by
>>>> implementing my own ServletContextListener and exposing the
>>>> ExecutorServices through a static accessor. Something like this:
>>>>
>>>> @ApplicationPath("/") public class MyApplication extends Application {
>>>> public MyApplication() {
>>>> LifecycleListener.getExecutorService();
>>>> ...
>>>> }
>>>> }
>>>>
>>>> @WebListener public class LifecycleListener implements
>>>> ServletContextListener { ... }
>>>>
>>>> Has adding an Application.shutdown() hook to JAX-RS been discussed
>>>> before? Is there another way I ought to be doing this?
>>>
>>> It hasn't been discussed IIRC. I wonder why you consider your
>>> solution a workaround? Why should JAX-RS specification define another
>>> callback for Servlet container, if there is one already defined in
>>> the Servlet API?
>>>
>> I didn't like the fact that I had to share state between the servlet
>> context listener and the JAX-RS application using a static variable.
>>
>> Additionally, If Application.shutdown() existed, this would make it
>> easier to write integration/acceptance tests using Jersey test
>> framework (since I can pass an Application instance straight to the
>> test framework without having to worry about the Servlet API). But
>> perhaps I'm wandering out of JAX-RS into a Jersey discussion now?
>
--
Bill Burke
JBoss, a division of Red Hat
http://bill.burkecentral.com