[jira] Updated: (WICKET-1766) Method size() of a data provider is invoked twice.

["Johan Compagner (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/WICKET-1766?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Johan Compagner updated WICKET-1766:
------------------------------------

    Assignee: Igor Vaynberg

size() can be called many times i guess
Just cach the results and release it in detach.
Maybe igor has more to say about this..

> Method size() of a data provider is invoked twice.
> --------------------------------------------------
>
>                 Key: WICKET-1766
>                 URL: https://issues.apache.org/jira/browse/WICKET-1766
>             Project: Wicket
>          Issue Type: Bug
>          Components: wicket
>    Affects Versions: 1.3.4
>         Environment: Ubuntu
>            Reporter: Rik van der Kleij
>            Assignee: Igor Vaynberg
>            Priority: Minor
>             Fix For: 1.3.5
>
>
> Method size() of a data provider is invoked twice during one request. This happens when navigating to a next or latest page in a data table. During debugging I noticed that the onDetach() of AbstractPageableView is invoked an extra time. Implementations of size() normally query the database so it will slow down the performance.

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