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https://issues.apache.org/jira/browse/ISIS-572?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dan Haywood updated ISIS-572:
-----------------------------
    Summary: [WON'T FIX] 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.  (was: 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.)

> [WON'T FIX] 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
>            Priority: Major
>             Fix For: 3.0.0
>
>
> 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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