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https://issues.apache.org/jira/browse/WICKET-4568?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thomas Götz updated WICKET-4568:
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Attachment: WICKET-4568.patch
Patch added.
> Caching of itemCount incorrect in AbstractPageableView
> ------------------------------------------------------
>
> Key: WICKET-4568
> URL: https://issues.apache.org/jira/browse/WICKET-4568
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Affects Versions: 1.5.6, 6.0.0-beta1
> Reporter: Thomas Götz
> Priority: Minor
> Attachments: WICKET-4568.patch
>
>
> In AbstractPageableView.getItemCount() the result of dataprovider.size() is
> cached to avoid potentially expensive calls. While paging (e.g. from page 1
> to page 2) dataprovider.size() is called twice anyhow. The reason for this is
> the call to clearCachedItemCount() in AbstractPageableView.onBeforeRender().
> This call is obsolete as far as I can see, as clearCachedItemCount() is also
> called in AbstractPageableView.onDetach().
> I tested this with the wicket-examples (DataTablePage) and the deletion of
> the call to clearCachedItemCount() in onBeforeRender() seems to have no side
> effects. Maybe someone could confirm this?
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