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From "Paul Stanton (JIRA)" <j...@apache.org>
Subject [jira] Updated: (TAP5-1359) add 'registryAboutToShutdown' handler
Date Mon, 29 Nov 2010 21:22:11 GMT

     [ https://issues.apache.org/jira/browse/TAP5-1359?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Paul Stanton updated TAP5-1359:
-------------------------------

    Description: 
It is impossible to inject a service into a handler of 'RegistryShutdownListener .registryDidShutdown'
since the registry is already shutdown at this point. this makes it difficult to perform some
more intricate termination logic when multiple services need to collude.

I propose the inclusion of a new interface 'RegistryAboutToShutdownListener' with the method
'registryAboutToShutDown'.

In the case of a tapestry application, it would need to be called after Http requests have
been disallowed, but before the registry becomes unusable.

There may need to be some ordered configuration to control service dependencies as they shut
down, and I expect some other considerations I haven't thought of....

  was:
It is impossible to inject a service into a handler of 'RegistryShutdownListener .registryDidShutdown'
since the registry is already shutdown at this point. this makes it difficult to perform some
more intricate termination logic when multiple services need to collude.

I propose the inclusion of a new interface 'RegistryAboutToShutdownListener' with the method
'registryAboutToShutDown'.

In the case of a tapestry application, it would need to be called after Http requests have
been disallowed, but before the registry because unusable.

There may need to be some ordered configuration to control service dependencies as they shut
down, and I expect some other considerations I haven't thought of....


for an example of when it would be useful see
http://www.mail-archive.com/users@tapestry.apache.org/msg48540.html

> add 'registryAboutToShutdown' handler
> -------------------------------------
>
>                 Key: TAP5-1359
>                 URL: https://issues.apache.org/jira/browse/TAP5-1359
>             Project: Tapestry 5
>          Issue Type: Improvement
>          Components: tapestry-ioc
>    Affects Versions: 5.2.4
>            Reporter: Paul Stanton
>
> It is impossible to inject a service into a handler of 'RegistryShutdownListener .registryDidShutdown'
since the registry is already shutdown at this point. this makes it difficult to perform some
more intricate termination logic when multiple services need to collude.
> I propose the inclusion of a new interface 'RegistryAboutToShutdownListener' with the
method 'registryAboutToShutDown'.
> In the case of a tapestry application, it would need to be called after Http requests
have been disallowed, but before the registry becomes unusable.
> There may need to be some ordered configuration to control service dependencies as they
shut down, and I expect some other considerations I haven't thought of....

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