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Posted to dev@isis.apache.org by "rose (JIRA)" <ji...@apache.org> on 2015/10/12 01:24:05 UTC

[jira] [Commented] (ISIS-572) To improve performance, support the use of data pinned to caches for entities that are intended to be reference data. For these, infer the ImmutableFacet.

    [ https://issues.apache.org/jira/browse/ISIS-572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14952488#comment-14952488 ] 

rose commented on ISIS-572:
---------------------------

withinthecraft_

> To improve performance, support the use of data pinned to caches for entities that are intended to be reference data.  For these, infer the ImmutableFacet.
> -----------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: ISIS-572
>                 URL: https://issues.apache.org/jira/browse/ISIS-572
>             Project: Isis
>          Issue Type: New Feature
>          Components: Core: Objectstore: JDO
>    Affects Versions: objectstore-jdo-1.3.0
>            Reporter: Dan Haywood
>            Assignee: Dan Haywood
>             Fix For: 2.0.0
>
>
> That is, allow the developer to add the DN extension:
> @Extension(vendorName="datanucleus", key="cache-pin", value="true")
> as a way to pin any reference data into memory.
> If present, we should infer that the entity is immutable (ImmutableFacet).



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