/// <summary> Try to initialize a collection from the cache</summary>
private bool InitializeCollectionFromCache(object id, ICollectionPersister persister, IPersistentCollection collection, ISessionImplementor source)
{
if (!(source.EnabledFilters.Count == 0) && persister.IsAffectedByEnabledFilters(source))
{
log.Debug("disregarding cached version (if any) of collection due to enabled filters ");
return(false);
}
bool useCache = persister.HasCache && source.CacheMode.HasFlag(CacheMode.Get);
if (!useCache)
{
return(false);
}
else
{
ISessionFactoryImplementor factory = source.Factory;
CacheKey ck = source.GenerateCacheKey(id, persister.KeyType, persister.Role);
object ce = persister.Cache.Get(ck, source.Timestamp);
if (factory.Statistics.IsStatisticsEnabled)
{
if (ce == null)
{
factory.StatisticsImplementor.SecondLevelCacheMiss(persister.Cache.RegionName);
}
else
{
factory.StatisticsImplementor.SecondLevelCacheHit(persister.Cache.RegionName);
}
}
if (ce == null)
{
log.DebugFormat("Collection cache miss: {0}", ck);
}
else
{
log.DebugFormat("Collection cache hit: {0}", ck);
}
if (ce == null)
{
return(false);
}
else
{
IPersistenceContext persistenceContext = source.PersistenceContext;
CollectionCacheEntry cacheEntry = (CollectionCacheEntry)persister.CacheEntryStructure.Destructure(ce, factory);
cacheEntry.Assemble(collection, persister, persistenceContext.GetCollectionOwner(id, persister));
persistenceContext.GetCollectionEntry(collection).PostInitialize(collection);
return(true);
}
}
}
private bool Assemble(
CacheKey ck, object ce, ICollectionPersister persister, ISessionImplementor source,
IPersistentCollection collection, object collectionKey, bool alterStatistics)
{
ISessionFactoryImplementor factory = source.Factory;
if (factory.Statistics.IsStatisticsEnabled && alterStatistics)
{
if (ce == null)
{
factory.StatisticsImplementor.SecondLevelCacheMiss(persister.Cache.RegionName);
}
else
{
factory.StatisticsImplementor.SecondLevelCacheHit(persister.Cache.RegionName);
}
}
if (ce == null)
{
log.Debug("Collection cache miss: {0}", ck);
}
else
{
log.Debug("Collection cache hit: {0}", ck);
}
if (ce == null)
{
return(false);
}
else
{
IPersistenceContext persistenceContext = source.PersistenceContext;
CollectionCacheEntry cacheEntry = (CollectionCacheEntry)persister.CacheEntryStructure.Destructure(ce, factory);
cacheEntry.Assemble(collection, persister, persistenceContext.GetCollectionOwner(collectionKey, persister));
persistenceContext.GetCollectionEntry(collection).PostInitialize(collection, persistenceContext);
if (collection.HasQueuedOperations)
{
collection.ApplyQueuedOperations();
}
return(true);
}
}