Automatically invalidating cached lists when Cayenne commits changes that can
affect the list
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Key: CAY-577
URL: http://issues.apache.org/cayenne/browse/CAY-577
Project: Cayenne
Type: Improvement
Components: Cayenne Core Library
Versions: 3.0 [BRANCH]
Reporter: Andrus Adamchik
Fix For: 3.0 [BRANCH]
Currently Cayenne has no mechanism to do automatic invalidation of query result
caches (http://objectstyle.org/confluence/display/CAYDOC/Caching+Query+Results)
on such events like object insertion or deletion. Users have to manage caches
manually via refresh policy or Invalidate query (CAY-576).
1.2 introduced generic query metadata, so we can actually do something smarter
- when a new or deleted object is committed, we can find all cached lists for a
given entity and either invalidate them (if they are paginated and not fully
resolved), or simply insert/delete a given object (although we may need to
introduce ordering information to the metadata to do this correctly).
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