[jira] [Resolved] (ISIS-866) Request-scoped service should be told when the request is starting and stopping.

["Dan Haywood (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ISIS-866?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dan Haywood resolved ISIS-866.
------------------------------
    Resolution: Fixed

> Request-scoped service should be told when the request is starting and stopping.
> --------------------------------------------------------------------------------
>
>                 Key: ISIS-866
>                 URL: https://issues.apache.org/jira/browse/ISIS-866
>             Project: Isis
>          Issue Type: Improvement
>          Components: Core
>    Affects Versions: core-1.6.0
>            Reporter: Dan Haywood
>            Assignee: Dan Haywood
>            Priority: Minor
>             Fix For: core-1.7.0
>
>
> For @RequestScoped services, Isis creates a proxy that implements the RequestScopedService interface (in Isis core-runtime), which defines __isis_startRequest and __isis_stopRequest.  These methods are then called when the Isis session (=request scope) is created so that the proxy can instantiate a service for the duration of the request, bound to the thread-local.
> HOWEVER...
> The underlying service doesn't actually know it has been created/a request is started.  It isn't possible to put logic in the constructor, because that stuff is also called by the proxy wrapper.
> SO...
> ... a bit of research shows that the JEE way of doing this is to call methods annotated @PostConstruct and @PreDestroy.  So that's what we should do too.



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