Decouple the QueryCache from the DataCache
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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
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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