[jira] [Resolved] (WICKET-6769) InMemoryPageStore customizable map implementation

["Sven Meier (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/WICKET-6769?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sven Meier resolved WICKET-6769.
--------------------------------
    Resolution: Fixed

> InMemoryPageStore customizable map implementation
> -------------------------------------------------
>
>                 Key: WICKET-6769
>                 URL: https://issues.apache.org/jira/browse/WICKET-6769
>             Project: Wicket
>          Issue Type: Improvement
>          Components: wicket
>    Affects Versions: 9.0.0-M5
>            Reporter: Sven Meier
>            Assignee: Sven Meier
>            Priority: Major
>             Fix For: 9.0.0-M6
>
>         Attachments: screenshot-1.png
>
>
> In Wicket 8 PerSessionPageStore utilized SoftReferences to build a cache of pages in cooperation with the GC.
> The experts seem to agree that depending on the GC to clean up caches is a bad idea:
> https://stackoverflow.com/questions/264582/is-there-a-softhashmap-in-java
> http://jeremymanson.blogspot.com/2009/07/how-hotspot-decides-to-clear_07.html
> Instead of replicating the old feature, the new InMemoryPageStore should allow to be customized with a map implementation. This allows applications to utilize different map-based caches, e.g. https://github.com/ben-manes/caffeine



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