@Override
public void doAfterTransactionCompletion(boolean success, SessionImplementor session)
throws CacheException {
final EntityPersister persister = getPersister();
if (persister.hasCache()) {
final EntityRegionAccessStrategy cache = persister.getCacheAccessStrategy();
final Object ck =
cache.generateCacheKey(
getId(), persister, session.getFactory(), session.getTenantIdentifier());
if (success && cacheEntry != null /*!persister.isCacheInvalidationRequired()*/) {
final boolean put = cacheAfterUpdate(cache, ck);
if (put && getSession().getFactory().getStatistics().isStatisticsEnabled()) {
getSession()
.getFactory()
.getStatisticsImplementor()
.secondLevelCachePut(cache.getRegion().getName());
}
} else {
cache.unlockItem(session, ck, lock);
}
}
postCommitUpdate(success);
}
public void evictEntityRegion(String entityName) {
EntityPersister p = getEntityPersister(entityName);
if (p.hasCache()) {
if (log.isDebugEnabled()) {
log.debug("evicting second-level cache: " + p.getEntityName());
}
p.getCacheAccessStrategy().evictAll();
}
}
public void evictEntity(String entityName, Serializable identifier) {
EntityPersister p = getEntityPersister(entityName);
if (p.hasCache()) {
if (log.isDebugEnabled()) {
log.debug(
"evicting second-level cache: "
+ MessageHelper.infoString(p, identifier, SessionFactoryImpl.this));
}
p.getCacheAccessStrategy().evict(buildCacheKey(identifier, p));
}
}
/**
* Closes the session factory, releasing all held resources.
*
* <ol>
* <li>cleans up used cache regions and "stops" the cache provider.
* <li>close the JDBC connection
* <li>remove the JNDI binding
* </ol>
*
* Note: Be aware that the sessionfactory instance still can be a "heavy" object memory wise after
* close() has been called. Thus it is important to not keep referencing the instance to let the
* garbage collector release the memory.
*/
public void close() throws HibernateException {
if (isClosed) {
log.trace("already closed");
return;
}
log.info("closing");
isClosed = true;
Iterator iter = entityPersisters.values().iterator();
while (iter.hasNext()) {
EntityPersister p = (EntityPersister) iter.next();
if (p.hasCache()) {
p.getCacheAccessStrategy().getRegion().destroy();
}
}
iter = collectionPersisters.values().iterator();
while (iter.hasNext()) {
CollectionPersister p = (CollectionPersister) iter.next();
if (p.hasCache()) {
p.getCacheAccessStrategy().getRegion().destroy();
}
}
if (settings.isQueryCacheEnabled()) {
queryCache.destroy();
iter = queryCaches.values().iterator();
while (iter.hasNext()) {
QueryCache cache = (QueryCache) iter.next();
cache.destroy();
}
updateTimestampsCache.destroy();
}
settings.getRegionFactory().stop();
if (settings.isAutoDropSchema()) {
schemaExport.drop(false, true);
}
try {
settings.getConnectionProvider().close();
} finally {
SessionFactoryObjectFactory.removeInstance(uuid, name, properties);
}
observer.sessionFactoryClosed(this);
eventListeners.destroyListeners();
}
/**
* If the class to be loaded has been configured with a cache, then lock given id in that cache
* and then perform the load.
*
* @return The loaded entity
* @throws HibernateException
*/
protected Object lockAndLoad(
final LoadEvent event,
final EntityPersister persister,
final EntityKey keyToLoad,
final LoadEventListener.LoadType options,
final SessionImplementor source)
throws HibernateException {
CacheConcurrencyStrategy.SoftLock lock = null;
final CacheKey ck;
if (persister.hasCache()) {
ck =
new CacheKey(
event.getEntityId(),
persister.getIdentifierType(),
persister.getRootEntityName(),
source.getEntityMode(),
source.getFactory());
lock = persister.getCache().lock(ck, null);
} else {
ck = null;
}
Object entity;
try {
entity = load(event, persister, keyToLoad, options);
} finally {
if (persister.hasCache()) {
persister.getCache().release(ck, lock);
}
}
Object proxy =
event.getSession().getPersistenceContext().proxyFor(persister, keyToLoad, entity);
return proxy;
}
/**
* Attempts to load the entity from the second-level cache.
*
* @return The entity from the second-level cache, or null.
* @throws HibernateException
*/
protected Object loadFromSecondLevelCache(
final LoadEvent event,
final EntityPersister persister,
final LoadEventListener.LoadType options)
throws HibernateException {
final SessionImplementor source = event.getSession();
final boolean useCache =
persister.hasCache()
&& source.getCacheMode().isGetEnabled()
&& event.getLockMode().lessThan(LockMode.READ);
if (useCache) {
final SessionFactoryImplementor factory = source.getFactory();
final CacheKey ck =
new CacheKey(
event.getEntityId(),
persister.getIdentifierType(),
persister.getRootEntityName(),
source.getEntityMode(),
source.getFactory());
Object ce = persister.getCache().get(ck, source.getTimestamp());
if (factory.getStatistics().isStatisticsEnabled()) {
if (ce == null) {
factory
.getStatisticsImplementor()
.secondLevelCacheMiss(persister.getCache().getRegionName());
} else {
factory
.getStatisticsImplementor()
.secondLevelCacheHit(persister.getCache().getRegionName());
}
}
if (ce != null) {
CacheEntry entry = (CacheEntry) persister.getCacheEntryStructure().destructure(ce, factory);
// Entity was found in second-level cache...
return assembleCacheEntry(entry, event.getEntityId(), persister, event);
}
}
return null;
}
@Override
public void execute() throws HibernateException {
final Serializable id = getId();
final EntityPersister persister = getPersister();
final SessionImplementor session = getSession();
final Object instance = getInstance();
final boolean veto = preUpdate();
final SessionFactoryImplementor factory = session.getFactory();
Object previousVersion = this.previousVersion;
if (persister.isVersionPropertyGenerated()) {
// we need to grab the version value from the entity, otherwise
// we have issues with generated-version entities that may have
// multiple actions queued during the same flush
previousVersion = persister.getVersion(instance);
}
final Object ck;
if (persister.hasCache()) {
final EntityRegionAccessStrategy cache = persister.getCacheAccessStrategy();
ck = cache.generateCacheKey(id, persister, factory, session.getTenantIdentifier());
lock = cache.lockItem(session, ck, previousVersion);
} else {
ck = null;
}
if (!veto) {
persister.update(
id,
state,
dirtyFields,
hasDirtyCollection,
previousState,
previousVersion,
instance,
rowId,
session);
}
final EntityEntry entry = session.getPersistenceContext().getEntry(instance);
if (entry == null) {
throw new AssertionFailure("possible nonthreadsafe access to session");
}
if (entry.getStatus() == Status.MANAGED || persister.isVersionPropertyGenerated()) {
// get the updated snapshot of the entity state by cloning current state;
// it is safe to copy in place, since by this time no-one else (should have)
// has a reference to the array
TypeHelper.deepCopy(
state, persister.getPropertyTypes(), persister.getPropertyCheckability(), state, session);
if (persister.hasUpdateGeneratedProperties()) {
// this entity defines proeprty generation, so process those generated
// values...
persister.processUpdateGeneratedProperties(id, instance, state, session);
if (persister.isVersionPropertyGenerated()) {
nextVersion = Versioning.getVersion(state, persister);
}
}
// have the entity entry doAfterTransactionCompletion post-update processing, passing it the
// update state and the new version (if one).
entry.postUpdate(instance, state, nextVersion);
}
if (persister.hasCache()) {
if (persister.isCacheInvalidationRequired() || entry.getStatus() != Status.MANAGED) {
persister.getCacheAccessStrategy().remove(session, ck);
} else {
// TODO: inefficient if that cache is just going to ignore the updated state!
final CacheEntry ce = persister.buildCacheEntry(instance, state, nextVersion, getSession());
cacheEntry = persister.getCacheEntryStructure().structure(ce);
final boolean put = cacheUpdate(persister, previousVersion, ck);
if (put && factory.getStatistics().isStatisticsEnabled()) {
factory
.getStatisticsImplementor()
.secondLevelCachePut(getPersister().getCacheAccessStrategy().getRegion().getName());
}
}
}
session
.getPersistenceContext()
.getNaturalIdHelper()
.manageSharedNaturalIdCrossReference(
persister, id, state, previousNaturalIdValues, CachedNaturalIdValueSource.UPDATE);
postUpdate();
if (factory.getStatistics().isStatisticsEnabled() && !veto) {
factory.getStatisticsImplementor().updateEntity(getPersister().getEntityName());
}
}
private boolean isCachePutEnabled(EntityPersister persister, SessionImplementor session) {
return persister.hasCache()
&& !persister.isCacheInvalidationRequired()
&& session.getCacheMode().isPutEnabled();
}
public void execute() throws HibernateException {
Serializable id = getId();
EntityPersister persister = getPersister();
SessionImplementor session = getSession();
Object instance = getInstance();
boolean veto = preDelete();
Object version = this.version;
if (persister.isVersionPropertyGenerated()) {
// we need to grab the version value from the entity, otherwise
// we have issues with generated-version entities that may have
// multiple actions queued during the same flush
version = persister.getVersion(instance, session.getEntityMode());
}
final CacheKey ck;
if (persister.hasCache()) {
ck =
new CacheKey(
id,
persister.getIdentifierType(),
persister.getRootEntityName(),
session.getEntityMode(),
session.getFactory());
lock = persister.getCacheAccessStrategy().lockItem(ck, version);
} else {
ck = null;
}
if (!isCascadeDeleteEnabled && !veto) {
persister.delete(id, version, instance, session);
}
// postDelete:
// After actually deleting a row, record the fact that the instance no longer
// exists on the database (needed for identity-column key generation), and
// remove it from the session cache
final PersistenceContext persistenceContext = session.getPersistenceContext();
EntityEntry entry = persistenceContext.removeEntry(instance);
if (entry == null) {
throw new AssertionFailure("possible nonthreadsafe access to session");
}
entry.postDelete();
persistenceContext.removeEntity(entry.getEntityKey());
persistenceContext.removeProxy(entry.getEntityKey());
if (persister.hasCache()) {
persister.getCacheAccessStrategy().remove(ck);
}
postDelete();
if (getSession().getFactory().getStatistics().isStatisticsEnabled() && !veto) {
getSession()
.getFactory()
.getStatisticsImplementor()
.deleteEntity(getPersister().getEntityName());
}
}
/**
* Perform the second step of 2-phase load. Fully initialize the entity instance.
*
* <p>After processing a JDBC result set, we "resolve" all the associations between the entities
* which were instantiated and had their state "hydrated" into an array
*/
public static void initializeEntity(
final Object entity,
final boolean readOnly,
final SessionImplementor session,
final PreLoadEvent preLoadEvent,
final PostLoadEvent postLoadEvent)
throws HibernateException {
// TODO: Should this be an InitializeEntityEventListener??? (watch out for performance!)
final PersistenceContext persistenceContext = session.getPersistenceContext();
EntityEntry entityEntry = persistenceContext.getEntry(entity);
if (entityEntry == null) {
throw new AssertionFailure("possible non-threadsafe access to the session");
}
EntityPersister persister = entityEntry.getPersister();
Serializable id = entityEntry.getId();
Object[] hydratedState = entityEntry.getLoadedState();
if (log.isDebugEnabled())
log.debug(
"resolving associations for "
+ MessageHelper.infoString(persister, id, session.getFactory()));
Type[] types = persister.getPropertyTypes();
for (int i = 0; i < hydratedState.length; i++) {
final Object value = hydratedState[i];
if (value != LazyPropertyInitializer.UNFETCHED_PROPERTY
&& value != BackrefPropertyAccessor.UNKNOWN) {
hydratedState[i] = types[i].resolve(value, session, entity);
}
}
// Must occur after resolving identifiers!
if (session.isEventSource()) {
preLoadEvent.setEntity(entity).setState(hydratedState).setId(id).setPersister(persister);
PreLoadEventListener[] listeners = session.getListeners().getPreLoadEventListeners();
for (int i = 0; i < listeners.length; i++) {
listeners[i].onPreLoad(preLoadEvent);
}
}
persister.setPropertyValues(entity, hydratedState, session.getEntityMode());
final SessionFactoryImplementor factory = session.getFactory();
if (persister.hasCache() && session.getCacheMode().isPutEnabled()) {
if (log.isDebugEnabled())
log.debug(
"adding entity to second-level cache: "
+ MessageHelper.infoString(persister, id, session.getFactory()));
Object version = Versioning.getVersion(hydratedState, persister);
CacheEntry entry =
new CacheEntry(
hydratedState,
persister,
entityEntry.isLoadedWithLazyPropertiesUnfetched(),
version,
session,
entity);
CacheKey cacheKey =
new CacheKey(
id,
persister.getIdentifierType(),
persister.getRootEntityName(),
session.getEntityMode(),
session.getFactory());
boolean put =
persister
.getCache()
.put(
cacheKey,
persister.getCacheEntryStructure().structure(entry),
session.getTimestamp(),
version,
persister.isVersioned() ? persister.getVersionType().getComparator() : null,
useMinimalPuts(
session,
entityEntry)); // we could use persister.hasLazyProperties() instead of true
if (put && factory.getStatistics().isStatisticsEnabled()) {
factory
.getStatisticsImplementor()
.secondLevelCachePut(persister.getCache().getRegionName());
}
}
if (readOnly || !persister.isMutable()) {
// no need to take a snapshot - this is a
// performance optimization, but not really
// important, except for entities with huge
// mutable property values
persistenceContext.setEntryStatus(entityEntry, Status.READ_ONLY);
} else {
// take a snapshot
TypeFactory.deepCopy(
hydratedState,
persister.getPropertyTypes(),
persister.getPropertyUpdateability(),
hydratedState, // after setting values to object, entityMode
session);
persistenceContext.setEntryStatus(entityEntry, Status.MANAGED);
}
persister.afterInitialize(entity, entityEntry.isLoadedWithLazyPropertiesUnfetched(), session);
if (session.isEventSource()) {
postLoadEvent.setEntity(entity).setId(id).setPersister(persister);
PostLoadEventListener[] listeners = session.getListeners().getPostLoadEventListeners();
for (int i = 0; i < listeners.length; i++) {
listeners[i].onPostLoad(postLoadEvent);
}
}
if (log.isDebugEnabled())
log.debug(
"done materializing entity "
+ MessageHelper.infoString(persister, id, session.getFactory()));
if (factory.getStatistics().isStatisticsEnabled()) {
factory.getStatisticsImplementor().loadEntity(persister.getEntityName());
}
}
public boolean containsEntity(String entityName, Serializable identifier) {
EntityPersister p = getEntityPersister(entityName);
return p.hasCache()
&& p.getCacheAccessStrategy().getRegion().contains(buildCacheKey(identifier, p));
}
public boolean hasAfterTransactionCompletion() {
return persister.hasCache() || hasPostCommitEventListeners();
}