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From "Donald Woods (JIRA)" <>
Subject [jira] Resolved: (OPENJPA-1603) Decouple the QueryCache from the DataCache
Date Sat, 10 Apr 2010 17:40:40 GMT


Donald Woods resolved OPENJPA-1603.

    Resolution: Fixed

Code checked into 2.0.0, so marking it resolved for the release notes.
If more work is required, please open a new issue and link it to this one.

> Decouple the QueryCache from the DataCache
> ------------------------------------------
>                 Key: OPENJPA-1603
>                 URL:
>             Project: OpenJPA
>          Issue Type: Improvement
>          Components: datacache
>    Affects Versions: 2.0.0
>            Reporter: Rick Curtis
>            Assignee: Rick Curtis
>             Fix For: 2.0.0
> In doing some testing I have found that there is a valid use case where one would want
to use the query results cache (openjpa.QueryCache), but not the DataCache. I'm using this
JIRA to remove the dependency between these two caches.
> The gist of this change is that the QueryCache will now talk with the StoreContext to
see if the results of a cached query are contained in the L1 cache OR by any of the DelegatingStoreManager's
cache. The default JDBCStoreManager and the XMLStoreManager both do not have any concept of
a cache and will always not have any cached results.

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