[jira] Commented: (OPENJPA-1603) Decouple the QueryCache from the DataCache

["Rick Curtis (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/OPENJPA-1603?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12853249#action_12853249 ] 

Rick Curtis commented on OPENJPA-1603:
--------------------------------------

I didn't notice this before, but it looks like I fat fingered my commit message for the 2.0.x branch. Here is a link to the real commit -- http://svn.apache.org/viewcvs?view=rev&rev=928968

> Decouple the QueryCache from the DataCache
> ------------------------------------------
>
>                 Key: OPENJPA-1603
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-1603
>             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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