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minor refactoring to DefaultRefreshEventListener
1 parent 8f996ab commit 2431c35

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3 files changed

+73
-55
lines changed

3 files changed

+73
-55
lines changed

‎hibernate-core/src/main/java/org/hibernate/event/internal/DefaultMergeEventListener.java‎

Lines changed: 5 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -423,15 +423,15 @@ protected void entityIsDetached(MergeEvent event, Object copiedId, Object origin
423423
final Object id = getDetachedEntityId( event, originalId, persister );
424424
// we must clone embedded composite identifiers, or we will get back the same instance that we pass in
425425
// apply the special MERGE fetch profile and perform the resolution (Session#get)
426-
final Object result = session.getLoadQueryInfluencers().fromInternalFetchProfile(
427-
CascadingFetchProfile.MERGE,
428-
() -> session.get( entityName, clonedIdentifier )
429-
);
426+
final Object result =
427+
session.getLoadQueryInfluencers()
428+
.fromInternalFetchProfile( CascadingFetchProfile.MERGE,
429+
() -> session.get( entityName, clonedIdentifier ) );
430430

431431
if ( result == null ) {
432432
LOG.trace( "Detached instance not found in database" );
433433
// we got here because we assumed that an instance
434-
// with an assigned id and no version was detached,
434+
// with an assigned id and no version was detached
435435
// when it was really transient (or deleted)
436436
final Boolean knownTransient = persister.isTransient( entity, session );
437437
if ( knownTransient == Boolean.FALSE ) {

‎hibernate-core/src/main/java/org/hibernate/event/internal/DefaultRefreshEventListener.java‎

Lines changed: 64 additions & 46 deletions
Original file line numberDiff line numberDiff line change
@@ -15,6 +15,7 @@
1515
import org.hibernate.cache.spi.access.SoftLock;
1616
import org.hibernate.engine.internal.Cascade;
1717
import org.hibernate.engine.internal.CascadePoint;
18+
import org.hibernate.engine.spi.ActionQueue;
1819
import org.hibernate.engine.spi.CascadingActions;
1920
import org.hibernate.engine.spi.EntityEntry;
2021
import org.hibernate.engine.spi.PersistenceContext;
@@ -62,41 +63,7 @@ public void onRefresh(RefreshEvent event, RefreshContext refreshedAlready) {
6263
final PersistenceContext persistenceContext = source.getPersistenceContextInternal();
6364
final Object object = event.getObject();
6465
if ( persistenceContext.reassociateIfUninitializedProxy( object ) ) {
65-
final boolean isTransient = isTransient( event, source, object );
66-
// If refreshAlready is not empty then the refresh is the result of a
67-
// cascade refresh and the refresh of the parent will take care of initializing the lazy
68-
// entity and setting the correct lock on it, this is needed only when the refresh is called directly on a lazy entity
69-
if ( refreshedAlready.isEmpty() ) {
70-
final LazyInitializer lazyInitializer = extractLazyInitializer( object );
71-
final EntityPersister persister;
72-
if ( lazyInitializer != null ) {
73-
persister = source.getEntityPersister( lazyInitializer.getEntityName(), object );
74-
}
75-
else if ( !isTransient ) {
76-
persister = persistenceContext.getEntry( object ).getPersister();
77-
}
78-
else {
79-
persister = source.getEntityPersister( source.guessEntityName( object ), object );
80-
}
81-
82-
refresh(
83-
event,
84-
null,
85-
source,
86-
persister,
87-
lazyInitializer,
88-
null,
89-
persister.getIdentifier( object, event.getSession() ),
90-
persistenceContext
91-
);
92-
if ( lazyInitializer != null ) {
93-
refreshedAlready.add( lazyInitializer.getImplementation() );
94-
}
95-
}
96-
97-
if ( isTransient ) {
98-
source.setReadOnly( object, source.isDefaultReadOnly() );
99-
}
66+
handleUninitializedProxy( event, refreshedAlready, source, object, persistenceContext );
10067
}
10168
else {
10269
final Object entity = persistenceContext.unproxyAndReassociate( object );
@@ -109,9 +76,58 @@ else if ( !isTransient ) {
10976
}
11077
}
11178

79+
private static void handleUninitializedProxy(
80+
RefreshEvent event,
81+
RefreshContext refreshedAlready,
82+
EventSource source,
83+
Object object,
84+
PersistenceContext persistenceContext) {
85+
final boolean isTransient = isTransient( event, source, object );
86+
// If refreshAlready is nonempty then the refresh is the result of a cascade refresh and the
87+
// refresh of the parent will take care of initializing the lazy entity and setting the
88+
// correct lock. This is needed only when the refresh is called directly on a lazy entity.
89+
if ( refreshedAlready.isEmpty() ) {
90+
final LazyInitializer lazyInitializer = extractLazyInitializer( object );
91+
final EntityPersister persister = getPersister( lazyInitializer, source, object, isTransient );
92+
refresh(
93+
event,
94+
null,
95+
source,
96+
persister,
97+
lazyInitializer,
98+
null,
99+
persister.getIdentifier( object, event.getSession() ),
100+
persistenceContext
101+
);
102+
if ( lazyInitializer != null ) {
103+
refreshedAlready.add( lazyInitializer.getImplementation() );
104+
}
105+
}
106+
107+
if ( isTransient ) {
108+
source.setReadOnly( object, source.isDefaultReadOnly() );
109+
}
110+
}
111+
112+
private static EntityPersister getPersister(
113+
LazyInitializer lazyInitializer,
114+
EventSource source,
115+
Object object,
116+
boolean isTransient) {
117+
if ( lazyInitializer != null ) {
118+
return source.getEntityPersister( lazyInitializer.getEntityName(), object );
119+
}
120+
else if ( isTransient ) {
121+
return source.getEntityPersister( source.guessEntityName( object ), object );
122+
}
123+
else {
124+
return source.getPersistenceContextInternal().getEntry( object ).getPersister();
125+
}
126+
}
127+
112128
private static boolean isTransient(RefreshEvent event, EventSource source, Object object) {
113129
final String entityName = event.getEntityName();
114-
return entityName != null ? !source.contains( entityName, object) : !source.contains(object);
130+
return entityName == null ? !source.contains( object ) : !source.contains( entityName, object );
115131
}
116132

117133
private static void refresh(RefreshEvent event, RefreshContext refreshedAlready, Object object) {
@@ -179,25 +195,26 @@ private static void refresh(
179195
Object object,
180196
EventSource source,
181197
EntityPersister persister,
182-
LazyInitializer lazyInitializer,
198+
LazyInitializer initializer,
183199
EntityEntry entry,
184200
Object id,
185-
PersistenceContext persistenceContext) {
201+
PersistenceContext context) {
186202
if ( object != null ) {
187203
final var instrumentationMetadata = persister.getBytecodeEnhancementMetadata();
188204
if ( instrumentationMetadata.isEnhancedForLazyLoading() ) {
189205
final var interceptor = instrumentationMetadata.extractInterceptor( object );
190206
if ( interceptor != null ) {
191-
// The list of initialized lazy fields have to be cleared in order to refresh them from the database.
207+
// The list of initialized lazy fields has to be cleared
208+
// before refreshing them from the database.
192209
interceptor.clearInitializedLazyFields();
193210
}
194211
}
195212
}
196213

197-
final Object result = source.getLoadQueryInfluencers().fromInternalFetchProfile(
198-
CascadingFetchProfile.REFRESH,
199-
() -> doRefresh( event, source, object, entry, persister, lazyInitializer, id, persistenceContext )
200-
);
214+
final Object result =
215+
source.getLoadQueryInfluencers()
216+
.fromInternalFetchProfile( CascadingFetchProfile.REFRESH,
217+
() -> doRefresh( event, source, object, entry, persister, initializer, id, context ) );
201218
UnresolvableObjectException.throwIfNull( result, id, persister.getEntityName() );
202219
}
203220

@@ -241,7 +258,7 @@ private static Object doRefresh(
241258
if ( currentLockMode.greaterThan( requestedLockMode ) ) {
242259
// the requested lock-mode is less restrictive than the current one
243260
// - pass along the current lock-mode (after accounting for WRITE)
244-
lockOptionsToUse = event.getLockOptions().makeCopy();
261+
lockOptionsToUse = lockOptionsToUse.makeCopy();
245262
if ( currentLockMode == LockMode.WRITE
246263
|| currentLockMode == LockMode.PESSIMISTIC_WRITE
247264
|| currentLockMode == LockMode.PESSIMISTIC_READ ) {
@@ -272,7 +289,7 @@ private static Object doRefresh(
272289

273290
final Object result = persister.load( id, object, lockOptionsToUse, source );
274291
if ( result != null ) {
275-
// apply `postRefreshLockMode`, if needed
292+
// apply postRefreshLockMode, if needed
276293
if ( postRefreshLockMode != null ) {
277294
// if we get here, there was a previous entry, and we need to reset its lock mode
278295
// - however, the refresh operation actually creates a new entry, so get it
@@ -312,6 +329,7 @@ private static void evictCachedCollections(EntityPersister persister, Object id,
312329
private static void evictCachedCollections(Type[] types, Object id, EventSource source)
313330
throws HibernateException {
314331
final SessionFactoryImplementor factory = source.getFactory();
332+
final ActionQueue actionQueue = source.getActionQueue();
315333
final MappingMetamodelImplementor metamodel = factory.getMappingMetamodel();
316334
for ( Type type : types ) {
317335
if ( type instanceof CollectionType collectionType ) {
@@ -327,7 +345,7 @@ private static void evictCachedCollections(Type[] types, Object id, EventSource
327345
);
328346
final SoftLock lock = cache.lockItem( source, ck, null );
329347
cache.remove( source, ck );
330-
source.getActionQueue().registerProcess( (success, session) -> cache.unlockItem( session, ck, lock ) );
348+
actionQueue.registerProcess( (success, session) -> cache.unlockItem( session, ck, lock ) );
331349
}
332350
}
333351
else if ( type instanceof ComponentType compositeType ) {

‎hibernate-core/src/main/java/org/hibernate/internal/StatelessSessionImpl.java‎

Lines changed: 4 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -925,10 +925,10 @@ public void refresh(String entityName, Object entity, LockMode lockMode) {
925925
}
926926
}
927927

928-
final Object result = getLoadQueryInfluencers().fromInternalFetchProfile(
929-
CascadingFetchProfile.REFRESH,
930-
() -> persister.load( id, entity, getNullSafeLockMode( lockMode ), this )
931-
);
928+
final Object result =
929+
getLoadQueryInfluencers()
930+
.fromInternalFetchProfile( CascadingFetchProfile.REFRESH,
931+
() -> persister.load( id, entity, getNullSafeLockMode( lockMode ), this ) );
932932
UnresolvableObjectException.throwIfNull( result, id, persister.getEntityName() );
933933
if ( temporaryPersistenceContext.isLoadFinished() ) {
934934
temporaryPersistenceContext.clear();

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