Re: Caching

From: Andrus Adamchik (andru..bjectstyle.org)
Date: Thu May 20 2010 - 08:11:04 UTC

  • Next message: Andrus Adamchik: "Re: Exception when caching a SelectQuery with prefetching [WAS: Caching]"

    Ah sorry... noticed your other email. Never mind.

    On May 20, 2010, at 11:09 AM, Andrus Adamchik wrote:

    > What type of ObjectContext is this? The behavior you are seeing may
    > happen in ROP, but a DataContext on the other hand should always
    > grab the cache instance from the parent DataDomain:
    >
    > ..verride
    > public QueryCache getQueryCache() {
    > if (queryCache == null) {
    > synchronized (this) {
    > if (queryCache == null) {
    >
    > DataDomain domain = getParentDataDomain();
    > queryCache =
    > domain.getQueryCacheFactory().getQueryCache(
    > domain.getProperties());
    > }
    > }
    > }
    >
    > return queryCache;
    > }
    >
    > Andrus
    >
    >
    > On May 19, 2010, at 11:17 AM, Gary Jarrel wrote:
    >
    >> Hi Guys,
    >>
    >> I seem to full of questions today!
    >>
    >> In the modeler I've got
    >> org.apache.cayenne.cache.OSQueryCacheFactory for
    >> Query Cache Factory, 5000 objects and using shared cache.
    >>
    >> I can see OSCache initializing in the logs and everything appears
    >> to be
    >> fine.
    >>
    >> However when I try to get the cache from the ObjectContext like so:
    >>
    >> QueryCache cache = ((BaseContext)
    >> getObjectContext()).getQueryCache();
    >>
    >> The cache that is being returned is
    >> the org.apache.cayenne.cache.MapQueryCache
    >>
    >> I've traced the calls and can see that the call got getQueryCache()
    >> goes
    >> to MapQueryCacheFactory despite the fact that the modeler
    >> specifies OSQueryCacheFactory
    >>
    >> Am I doing something wrong here?
    >>
    >> Thank you
    >>
    >> Gary
    >
    >



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