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From "Guillaume Nodet (JIRA)" <j...@apache.org>
Subject [jira] Commented: (FELIX-2396) Ability to have callbacks when accessing session variables
Date Wed, 09 Jun 2010 09:37:02 GMT

    [ https://issues.apache.org/jira/browse/FELIX-2396?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12877020#action_12877020
] 

Guillaume Nodet commented on FELIX-2396:
----------------------------------------

Maybe something very simple such if the object in the session is a java.util.concurrent.Callable
object, call it.
Or maybe define our own interface.
Or allow to set a callback that would be called when retrieving a value.  That may allow even
greater flexibility such as allowing lazy retrieval of values (though that would break the
'.variables' value).

> Ability to have callbacks when accessing session variables
> ----------------------------------------------------------
>
>                 Key: FELIX-2396
>                 URL: https://issues.apache.org/jira/browse/FELIX-2396
>             Project: Felix
>          Issue Type: Improvement
>          Components: Gogo
>            Reporter: Guillaume Nodet
>
> This is required for a better integration when the value is computed without any simple
way to be aware of the fact that the value has changed.

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