[jira] [Closed] (TAP5-2478) Create getIfExists in SessionApplicationStatePersistenceStrategy

["Jochen Kemnade (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TAP5-2478?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jochen Kemnade closed TAP5-2478.
--------------------------------
       Resolution: Fixed
    Fix Version/s: 5.5.0

> Create getIfExists in SessionApplicationStatePersistenceStrategy
> ----------------------------------------------------------------
>
>                 Key: TAP5-2478
>                 URL: https://issues.apache.org/jira/browse/TAP5-2478
>             Project: Tapestry 5
>          Issue Type: Improvement
>            Reporter: Maria Fedotova
>              Labels: patch, perfomance
>             Fix For: 5.5.0
>
>         Attachments: 0001-TAP5-2478-short-circuit-in-getIfExists-if-there-is-n.patch, TAP5-2478_add.patch, TAP5-2478.patch
>
>
> Instead of this code
> {code}
> public <T> T getIfExists(Class<T> ssoClass)
>     {
>         ApplicationStateAdapter<T> adapter = getAdapter(ssoClass);
>         return adapter.exists() ? adapter.getOrCreate() : null;
>     }
> {code}
> I've create function getIfExists
> {code}
>     public <T> T getIfExists(Class<T> ssoClass)
>     {
>         return getAdapter(ssoClass).getIfExists();
>     }
> {code}
> This patch increased requests per second on ~7% (from 24 to 26 on huge pages)
> Thank [~mihasik] for the idea.



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