Java Code Examples for org.hibernate.persister.collection.CollectionPersister#getCacheAccessStrategy()

The following examples show how to use org.hibernate.persister.collection.CollectionPersister#getCacheAccessStrategy() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
@Override
public void evictCollectionData(String role, Serializable ownerIdentifier) {
	final CollectionPersister collectionDescriptor = sessionFactory.getMetamodel()
			.collectionPersister( role );

	final CollectionDataAccess cacheAccess = collectionDescriptor.getCacheAccessStrategy();
	if ( cacheAccess == null ) {
		return;
	}

	if ( LOG.isDebugEnabled() ) {
		LOG.debugf(
				"Evicting second-level cache: %s",
				MessageHelper.collectionInfoString( collectionDescriptor, ownerIdentifier, sessionFactory )
		);
	}

	final Object key = cacheAccess.generateCacheKey( ownerIdentifier, collectionDescriptor, sessionFactory, null );
	cacheAccess.evict( key );
}
 
Example 2
private void evictCachedCollections(Type[] types, Serializable id, EventSource source)
		throws HibernateException {
	for ( Type type : types ) {
		if ( type.isCollectionType() ) {
			CollectionPersister collectionPersister = source.getFactory().getMetamodel().collectionPersister( ( (CollectionType) type ).getRole() );
			if ( collectionPersister.hasCache() ) {
				final CollectionDataAccess cache = collectionPersister.getCacheAccessStrategy();
				final Object ck = cache.generateCacheKey(
					id,
					collectionPersister,
					source.getFactory(),
					source.getTenantIdentifier()
				);
				final SoftLock lock = cache.lockItem( source, ck, null );
				cache.remove( source, ck );
				source.getActionQueue().registerProcess( (success, session) -> cache.unlockItem( session, ck, lock ) );
			}
		}
		else if ( type.isComponentType() ) {
			CompositeType actype = (CompositeType) type;
			evictCachedCollections( actype.getSubtypes(), id, source );
		}
	}
}
 
Example 3
private void evictCachedCollections(Type[] types, Serializable id, EventSource source)
		throws HibernateException {
	final ActionQueue actionQueue = source.getActionQueue();
	final SessionFactoryImplementor factory = source.getFactory();
	final MetamodelImplementor metamodel = factory.getMetamodel();
	for ( Type type : types ) {
		if ( type.isCollectionType() ) {
			CollectionPersister collectionPersister = metamodel.collectionPersister( ( (CollectionType) type ).getRole() );
			if ( collectionPersister.hasCache() ) {
				final CollectionDataAccess cache = collectionPersister.getCacheAccessStrategy();
				final Object ck = cache.generateCacheKey(
					id,
					collectionPersister,
					factory,
					source.getTenantIdentifier()
				);
				final SoftLock lock = cache.lockItem( source, ck, null );
				cache.remove( source, ck );
				actionQueue.registerProcess( (success, session) -> cache.unlockItem( session, ck, lock ) );
			}
		}
		else if ( type.isComponentType() ) {
			CompositeType actype = (CompositeType) type;
			evictCachedCollections( actype.getSubtypes(), id, source );
		}
	}
}
 
Example 4
private boolean isCached(Serializable collectionKey, CollectionPersister persister) {
	SharedSessionContractImplementor session = context.getSession();
	if ( session.getCacheMode().isGetEnabled() && persister.hasCache() ) {
		CollectionDataAccess cache = persister.getCacheAccessStrategy();
		Object cacheKey = cache.generateCacheKey(
				collectionKey,
				persister,
				session.getFactory(),
				session.getTenantIdentifier()
		);
		return CacheHelper.fromSharedCache( session, cacheKey, cache ) != null;
	}
	return false;
}
 
Example 5
CollectionStatisticsImpl(CollectionPersister persister) {
	super(
			() -> persister.getCacheAccessStrategy() != null
					? persister.getCacheAccessStrategy().getRegion()
					: null
	);

	this.collectionRole = persister.getRole();
}
 
Example 6
@Override
public boolean containsCollection(String role, Serializable ownerIdentifier) {
	final CollectionPersister collectionDescriptor = sessionFactory.getMetamodel()
			.collectionPersister( role );

	final CollectionDataAccess cacheAccess = collectionDescriptor.getCacheAccessStrategy();
	if ( cacheAccess == null ) {
		return false;
	}

	final Object key = cacheAccess.generateCacheKey( ownerIdentifier, collectionDescriptor, sessionFactory, null );
	return cacheAccess.contains( key );
}
 
Example 7
/**
 * Try to initialize a collection from the cache
 *
 * @param id The id of the collection to initialize
 * @param persister The collection persister
 * @param collection The collection to initialize
 * @param source The originating session
 *
 * @return true if we were able to initialize the collection from the cache;
 *         false otherwise.
 */
private boolean initializeCollectionFromCache(
		Serializable id,
		CollectionPersister persister,
		PersistentCollection collection,
		SessionImplementor source) {

	if ( source.getLoadQueryInfluencers().hasEnabledFilters() && persister.isAffectedByEnabledFilters( source ) ) {
		LOG.trace( "Disregarding cached version (if any) of collection due to enabled filters" );
		return false;
	}

	final boolean useCache = persister.hasCache() && source.getCacheMode().isGetEnabled();

	if ( !useCache ) {
		return false;
	}

	final SessionFactoryImplementor factory = source.getFactory();
	final CollectionDataAccess cacheAccessStrategy = persister.getCacheAccessStrategy();
	final Object ck = cacheAccessStrategy.generateCacheKey( id, persister, factory, source.getTenantIdentifier() );
	final Object ce = CacheHelper.fromSharedCache( source, ck, cacheAccessStrategy );

	final StatisticsImplementor statistics = factory.getStatistics();
	if ( statistics.isStatisticsEnabled() ) {
		if ( ce == null ) {
			statistics.collectionCacheMiss( persister.getNavigableRole(), cacheAccessStrategy.getRegion().getName() );
		}
		else {
			statistics.collectionCacheHit( persister.getNavigableRole(), cacheAccessStrategy.getRegion().getName() );
		}
	}

	if ( ce == null ) {
		return false;
	}

	CollectionCacheEntry cacheEntry = (CollectionCacheEntry) persister.getCacheEntryStructure().destructure( ce, factory );

	final PersistenceContext persistenceContext = source.getPersistenceContextInternal();
	cacheEntry.assemble( collection, persister, persistenceContext.getCollectionOwner( id, persister ) );
	persistenceContext.getCollectionEntry( collection ).postInitialize( collection );
	return true;
}
 
Example 8
/**
 * Add the collection to the second-level cache
 *
 * @param lce The entry representing the collection to add
 * @param persister The persister
 */
private void addCollectionToCache(LoadingCollectionEntry lce, CollectionPersister persister) {
	final SharedSessionContractImplementor session = getLoadContext().getPersistenceContext().getSession();
	final SessionFactoryImplementor factory = session.getFactory();

	final boolean debugEnabled = LOG.isDebugEnabled();
	if ( debugEnabled ) {
		LOG.debugf( "Caching collection: %s", MessageHelper.collectionInfoString( persister, lce.getCollection(), lce.getKey(), session ) );
	}

	if ( !session.getLoadQueryInfluencers().getEnabledFilters().isEmpty() && persister.isAffectedByEnabledFilters( session ) ) {
		// some filters affecting the collection are enabled on the session, so do not do the put into the cache.
		if ( debugEnabled ) {
			LOG.debug( "Refusing to add to cache due to enabled filters" );
		}
		// todo : add the notion of enabled filters to the cache key to differentiate filtered collections from non-filtered;
		//      DefaultInitializeCollectionEventHandler.initializeCollectionFromCache() (which makes sure to not read from
		//      cache with enabled filters).
		// EARLY EXIT!!!!!
		return;
	}

	final Object version;
	if ( persister.isVersioned() ) {
		Object collectionOwner = getLoadContext().getPersistenceContext().getCollectionOwner( lce.getKey(), persister );
		if ( collectionOwner == null ) {
			// generally speaking this would be caused by the collection key being defined by a property-ref, thus
			// the collection key and the owner key would not match up.  In this case, try to use the key of the
			// owner instance associated with the collection itself, if one.  If the collection does already know
			// about its owner, that owner should be the same instance as associated with the PC, but we do the
			// resolution against the PC anyway just to be safe since the lookup should not be costly.
			if ( lce.getCollection() != null ) {
				final Object linkedOwner = lce.getCollection().getOwner();
				if ( linkedOwner != null ) {
					final Serializable ownerKey = persister.getOwnerEntityPersister().getIdentifier( linkedOwner, session );
					collectionOwner = getLoadContext().getPersistenceContext().getCollectionOwner( ownerKey, persister );
				}
			}
			if ( collectionOwner == null ) {
				throw new HibernateException(
						"Unable to resolve owner of loading collection [" +
								MessageHelper.collectionInfoString( persister, lce.getCollection(), lce.getKey(), session ) +
								"] for second level caching"
				);
			}
		}
		version = getLoadContext().getPersistenceContext().getEntry( collectionOwner ).getVersion();
	}
	else {
		version = null;
	}

	final CollectionCacheEntry entry = new CollectionCacheEntry( lce.getCollection(), persister );
	final CollectionDataAccess cacheAccess = persister.getCacheAccessStrategy();
	final Object cacheKey = cacheAccess.generateCacheKey(
			lce.getKey(),
			persister,
			session.getFactory(),
			session.getTenantIdentifier()
	);

	boolean isPutFromLoad = true;
	if ( persister.getElementType().isAssociationType() ) {
		for ( Serializable id : entry.getState() ) {
			EntityPersister entityPersister = ( (QueryableCollection) persister ).getElementPersister();
			if ( session.getPersistenceContext().wasInsertedDuringTransaction( entityPersister, id ) ) {
				isPutFromLoad = false;
				break;
			}
		}
	}

	// CollectionRegionAccessStrategy has no update, so avoid putting uncommitted data via putFromLoad
	if (isPutFromLoad) {
		try {
			session.getEventListenerManager().cachePutStart();
			final boolean put = cacheAccess.putFromLoad(
					session,
					cacheKey,
					persister.getCacheEntryStructure().structure( entry ),
					version,
					factory.getSessionFactoryOptions().isMinimalPutsEnabled() && session.getCacheMode()!= CacheMode.REFRESH
			);

			if ( put && factory.getStatistics().isStatisticsEnabled() ) {
				factory.getStatistics().collectionCachePut(
						persister.getNavigableRole(),
						persister.getCacheAccessStrategy().getRegion().getName()
				);
			}
		}
		finally {
			session.getEventListenerManager().cachePutEnd();
		}
	}
}
 
Example 9
/**
 * Try to initialize a collection from the cache
 *
 * @param id The id of the collection of initialize
 * @param persister The collection persister
 * @param collection The collection to initialize
 * @param source The originating session
 *
 * @return true if we were able to initialize the collection from the cache;
 *         false otherwise.
 */
private boolean initializeCollectionFromCache(
		Serializable id,
		CollectionPersister persister,
		PersistentCollection collection,
		SessionImplementor source) {

	if ( !source.getLoadQueryInfluencers().getEnabledFilters().isEmpty()
			&& persister.isAffectedByEnabledFilters( source ) ) {
		LOG.trace( "Disregarding cached version (if any) of collection due to enabled filters" );
		return false;
	}

	final boolean useCache = persister.hasCache() && source.getCacheMode().isGetEnabled();

	if ( !useCache ) {
		return false;
	}

	final SessionFactoryImplementor factory = source.getFactory();
	final CollectionDataAccess cacheAccessStrategy = persister.getCacheAccessStrategy();
	final Object ck = cacheAccessStrategy.generateCacheKey( id, persister, factory, source.getTenantIdentifier() );
	final Object ce = CacheHelper.fromSharedCache( source, ck, persister.getCacheAccessStrategy() );

	if ( factory.getStatistics().isStatisticsEnabled() ) {
		if ( ce == null ) {
			factory.getStatistics().collectionCacheMiss(
					persister.getNavigableRole(),
					cacheAccessStrategy.getRegion().getName()
			);
		}
		else {
			factory.getStatistics().collectionCacheHit(
					persister.getNavigableRole(),
					cacheAccessStrategy.getRegion().getName()
			);
		}
	}

	if ( ce == null ) {
		return false;
	}

	CollectionCacheEntry cacheEntry = (CollectionCacheEntry) persister.getCacheEntryStructure().destructure(
			ce,
			factory
	);

	final PersistenceContext persistenceContext = source.getPersistenceContext();
	cacheEntry.assemble( collection, persister, persistenceContext.getCollectionOwner( id, persister ) );
	persistenceContext.getCollectionEntry( collection ).postInitialize( collection );
	// addInitializedCollection(collection, persister, id);
	return true;
}