[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-2928) optimizers for enhanced id generators should be synchronized against multi-threaded access

[Maciej Baranowski (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-2928?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_29130 ] 

Maciej Baranowski commented on HHH-2928:
----------------------------------------

Just wanted to correct myself: I meant that following operations are not atomic:

            lastSourceValue = callback.getNextValue();

            return make( lastSourceValue );


> optimizers for enhanced id generators should be synchronized against multi-threaded access
> ------------------------------------------------------------------------------------------
>
>                 Key: HHH-2928
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2928
>             Project: Hibernate3
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 3.2.5
>            Reporter: Steve Ebersole
>            Assignee: Steve Ebersole
>             Fix For: 3.2.6, 3.3
>
>         Attachments: NoopOptimizerTest.java
>
>
> Currently the optimizers do not serialize access to their internal state when applying their optimizations.  This only affects the pooled and hilo optimizers.

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