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https://issues.apache.org/jira/browse/CAUSEWAY-1659?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17713273#comment-17713273
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Daniel Keir Haywood commented on CAUSEWAY-1659:
-----------------------------------------------

This is intended to works also with `@PropertyLayout(repainting=false)`, where 
a (typically) unchanging by expensive object to render - eg a PDF - can opt out 
of being redrawn.

> [WicketViewer] Reinstate Support for RedirectFacet
> --------------------------------------------------
>
>                 Key: CAUSEWAY-1659
>                 URL: https://issues.apache.org/jira/browse/CAUSEWAY-1659
>             Project: Causeway
>          Issue Type: Improvement
>          Components: Viewer Wicket
>            Reporter: Daniel Keir Haywood
>            Assignee: Andi Huber
>            Priority: Minor
>             Fix For: 2.0.0
>
>
> eg:
> {code}
> public SomeObject toggle() {
>     setFlag(! isFlag());
>     return this;
> }
> {code}
> will cause a redirect to the same page, even though the same object is being 
> rendered.  
> The reason is because the current viewer implementation does not expose the 
> AjaxRequestTarget.  Need some deep surgery somewhere...



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