[jira] [Commented] (SLING-6785) Add support for scoped lifecycle of sling models

["Christophe Jelger (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SLING-6785?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16006157#comment-16006157 ] 

Christophe Jelger commented on SLING-6785:
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[~justinedelson] Thx for the feature, I could finally test it today, works perfectly as expected. Cool stuff!

> Add support for scoped lifecycle of sling models
> ------------------------------------------------
>
>                 Key: SLING-6785
>                 URL: https://issues.apache.org/jira/browse/SLING-6785
>             Project: Sling
>          Issue Type: New Feature
>          Components: Extensions
>            Reporter: Christophe Jelger
>            Assignee: Justin Edelson
>            Priority: Minor
>             Fix For: Sling Models API 1.3.4, Sling Models Impl 1.4.0
>
>         Attachments: SLING-6785.diff, SLING-6785.diff
>
>
> Similar to the scopes of JEE beans (http://docs.oracle.com/javaee/6/tutorial/doc/gjbbk.html), it would be nice to have the possibility to set a scope for sling models.
> For example, a sling model instance could be reused for all the components within the same HTTP request, thus avoiding that multiple instances of the "same" model are created.
> This could be an attribute of the {{@model}} annotation, for example something like:
> {{@model(scope="request")}}
> The {{request}} scope sounds straightforward for a sling model adapted from a request.
> For models adapted from a resource, there are scenarios where the resource itself is not relevant once the model has been instantiated, so it would still be useful to be able to obtain the same model instance for different components and resources within the same HTTP request.
> We could possibly have the same scopes than the JEE beans scope: {{request}}, {{session}}, and {{application}}.



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