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hibernate-orm
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Fix initializer post load call timing

This commit is contained in:
Andrea Boriero 2021-01-27 11:51:58 +01:00
parent e9e81eeda3
commit 7e34535cfe
8 changed files with 106 additions and 101 deletions
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30
hibernate-core/src/main/java/org/hibernate/sql/results/graph/entity/AbstractEntityInitializer.java
View File

@ -28,8 +28,6 @@ import org.hibernate.event.service.spi.EventListenerGroup;
import org.hibernate.event.service.spi.EventListenerRegistry;
import org.hibernate.event.spi.EventSource;
import org.hibernate.event.spi.EventType;
import org.hibernate.event.spi.PostLoadEvent;
import org.hibernate.event.spi.PostLoadEventListener;
import org.hibernate.event.spi.PreLoadEvent;
import org.hibernate.event.spi.PreLoadEventListener;
import org.hibernate.internal.util.StringHelper;
@ -540,6 +538,7 @@ public abstract class AbstractEntityInitializer extends AbstractFetchParentAcces
instance
);
}
}
final LoadingEntityEntry loadingEntry = new LoadingEntityEntry(
this,
@ -547,12 +546,10 @@ public abstract class AbstractEntityInitializer extends AbstractFetchParentAcces
concreteDescriptor,
instance
);
rowProcessingState.getJdbcValuesSourceProcessingState().registerLoadingEntity(
entityKey,
loadingEntry
);
}
return instance;
}
@ -578,11 +575,9 @@ public abstract class AbstractEntityInitializer extends AbstractFetchParentAcces
);
intializeEntity( instance, rowProcessingState, session, persistenceContext );
hibernateLazyInitializer.setImplementation( instance );
postLoad( instance, rowProcessingState );
}
else {
intializeEntity( entityInstance, rowProcessingState, session, persistenceContext );
postLoad( entityInstance, rowProcessingState );
}
}
@ -808,29 +803,6 @@ public abstract class AbstractEntityInitializer extends AbstractFetchParentAcces
}
}
private void postLoad(Object instance,RowProcessingState rowProcessingState) {
final SharedSessionContractImplementor session = rowProcessingState.getJdbcValuesSourceProcessingState().getSession();
if ( session instanceof EventSource ) {
final PostLoadEvent postLoadEvent = rowProcessingState.getJdbcValuesSourceProcessingState().getPostLoadEvent();
assert postLoadEvent != null;
postLoadEvent.reset();
postLoadEvent.setEntity( instance )
.setId( entityKey.getIdentifier() )
.setPersister( concreteDescriptor );
final EventListenerGroup<PostLoadEventListener> listenerGroup = entityDescriptor.getFactory()
.getServiceRegistry()
.getService( EventListenerRegistry.class )
.getEventListenerGroup( EventType.POST_LOAD );
for ( PostLoadEventListener listener : listenerGroup.listeners() ) {
listener.onPostLoad( postLoadEvent );
}
}
}
@Override
public EntityPersister getConcreteDescriptor() {
return concreteDescriptor;

3
hibernate-core/src/main/java/org/hibernate/sql/results/internal/StandardRowReader.java
View File

@ -181,9 +181,6 @@ public class StandardRowReader<T> implements RowReader<T> {
for ( int i = 0; i < initializers.size(); i++ ) {
initializers.get( i ).endLoading( processingState.getExecutionContext() );
}
// todo : use Callback to execute AfterLoadActions
// todo : another option is to use Callback to execute the AfterLoadActions after each row
}
@Override

30
hibernate-core/src/main/java/org/hibernate/sql/results/jdbc/internal/JdbcValuesSourceProcessingStateStandardImpl.java
View File

@ -15,8 +15,12 @@ import java.util.function.BiConsumer;
import org.hibernate.engine.spi.CollectionKey;
import org.hibernate.engine.spi.EntityKey;
import org.hibernate.engine.spi.SharedSessionContractImplementor;
import org.hibernate.event.service.spi.EventListenerGroup;
import org.hibernate.event.service.spi.EventListenerRegistry;
import org.hibernate.event.spi.EventSource;
import org.hibernate.event.spi.EventType;
import org.hibernate.event.spi.PostLoadEvent;
import org.hibernate.event.spi.PostLoadEventListener;
import org.hibernate.event.spi.PreLoadEvent;
import org.hibernate.sql.results.graph.Initializer;
import org.hibernate.sql.results.graph.collection.internal.ArrayInitializer;
@ -169,12 +173,37 @@ public class JdbcValuesSourceProcessingStateStandardImpl implements JdbcValuesSo
// now we can finalize loading collections
finishLoadingCollections();
postLoad();
}
finally {
executionContext.getSession().getPersistenceContext().getLoadContexts().deregister( this );
}
}
private void postLoad() {
if ( loadingEntityMap == null ) {
return;
}
final EventListenerGroup<PostLoadEventListener> listenerGroup = executionContext.getSession().getFactory()
.getServiceRegistry()
.getService( EventListenerRegistry.class )
.getEventListenerGroup( EventType.POST_LOAD );
loadingEntityMap.forEach(
(entityKey, loadingEntityEntry) -> {
postLoadEvent.reset();
postLoadEvent.setEntity( loadingEntityEntry.getEntityInstance() )
.setId( entityKey.getIdentifier() )
.setPersister( loadingEntityEntry.getDescriptor() );
for ( PostLoadEventListener listener : listenerGroup.listeners() ) {
listener.onPostLoad( postLoadEvent );
}
}
);
}
private void finishLoadingArrays() {
if ( arrayInitializers != null ) {
for ( CollectionInitializer collectionInitializer : arrayInitializers ) {
@ -188,7 +217,6 @@ public class JdbcValuesSourceProcessingStateStandardImpl implements JdbcValuesSo
if ( loadingEntityMap == null ) {
return;
}
log.tracev( "Total objects hydrated: {0}", loadingEntityMap.size() );
}

2
hibernate-core/src/main/java/org/hibernate/sql/results/spi/ListResultsConsumer.java
View File

@ -79,11 +79,11 @@ public class ListResultsConsumer<R> implements ResultsConsumer<List<R>, R> {
rowProcessingState.finishRowProcessing();
}
persistenceContext.initializeNonLazyCollections();
jdbcValuesSourceProcessingState.finishUp( );
return results;
}
finally {
rowReader.finishUp( jdbcValuesSourceProcessingState );
jdbcValuesSourceProcessingState.finishUp();
jdbcValues.finishUp( session );
}
}

55
hibernate-core/src/test/java/org/hibernate/jpa/test/collection/PostLoadTest.java
View File

@ -1,55 +0,0 @@
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.jpa.test.collection;
import static org.junit.Assert.assertEquals;
import java.util.HashSet;
import java.util.Set;
import javax.persistence.EntityManager;
import org.hibernate.jpa.test.BaseEntityManagerFunctionalTestCase;
import org.hibernate.testing.TestForIssue;
import org.junit.Test;
@TestForIssue( jiraKey="HHH-6043" )
public class PostLoadTest extends BaseEntityManagerFunctionalTestCase {
/**
* Load an entity with a collection of associated entities, that uses a @PostLoad method to
* access the association.
*/
@Test
public void testAccessAssociatedSetInPostLoad() {
Child child = new Child();
child.setId(1);
Parent daddy = new Parent();
daddy.setId(1);
child.setDaddy(daddy);
Set<Child> children = new HashSet<Child>();
children.add(child);
daddy.setChildren(children);
EntityManager em = getOrCreateEntityManager();
em.getTransaction().begin();
em.persist(daddy);
em.getTransaction().commit();
em.clear();
daddy = em.find(Parent.class, 1);
assertEquals(1, daddy.getNrOfChildren());
}
@Override
protected Class<?>[] getAnnotatedClasses() {
return new Class[] { Child.class, Parent.class };
}
}

3
hibernate-core/src/test/java/org/hibernate/jpa/test/collection/Child.java → hibernate-core/src/test/java/org/hibernate/orm/test/jpa/collection/Child.java
View File

@ -4,7 +4,7 @@
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.jpa.test.collection;
package org.hibernate.orm.test.jpa.collection;
import javax.persistence.Entity;
import javax.persistence.Id;
@ -27,6 +27,7 @@ public class Child {
public void setId(Integer id) {
this.id = id;
}
@ManyToOne
public Parent getDaddy() {
return daddy;

3
hibernate-core/src/test/java/org/hibernate/jpa/test/collection/Parent.java → hibernate-core/src/test/java/org/hibernate/orm/test/jpa/collection/Parent.java
View File

@ -4,7 +4,7 @@
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.jpa.test.collection;
package org.hibernate.orm.test.jpa.collection;
import java.util.HashSet;
import java.util.Set;
@ -35,6 +35,7 @@ public class Parent {
public void setId(Integer id) {
this.id = id;
}
@OneToMany(mappedBy="daddy", fetch=FetchType.EAGER, cascade=CascadeType.ALL)
public Set<Child> getChildren() {
return children;

61
hibernate-core/src/test/java/org/hibernate/orm/test/jpa/collection/PostLoadTest.java Normal file
View File

@ -0,0 +1,61 @@
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.orm.test.jpa.collection;
import java.util.HashSet;
import java.util.Set;
import org.hibernate.testing.TestForIssue;
import org.hibernate.testing.orm.junit.EntityManagerFactoryScope;
import org.hibernate.testing.orm.junit.Jpa;
import org.junit.jupiter.api.Test;
import static org.junit.Assert.assertEquals;
@TestForIssue(jiraKey = "HHH-6043")
@Jpa(
annotatedClasses = { Child.class, Parent.class }
)
public class PostLoadTest {
/**
* Load an entity with a collection of associated entities, that uses a @PostLoad method to
* access the association.
*/
@Test
public void testAccessAssociatedSetInPostLoad(EntityManagerFactoryScope scope) {
scope.inEntityManager(
entityManager -> {
try {
Child child = new Child();
child.setId( 1 );
Parent daddy = new Parent();
daddy.setId( 1 );
child.setDaddy( daddy );
Set<Child> children = new HashSet<>();
children.add( child );
daddy.setChildren( children );
entityManager.getTransaction().begin();
entityManager.persist( daddy );
entityManager.getTransaction().commit();
entityManager.clear();
daddy = entityManager.find( Parent.class, 1 );
assertEquals( 1, daddy.getNrOfChildren() );
}
catch (Exception e) {
if ( entityManager.getTransaction().isActive() ) {
entityManager.getTransaction().rollback();
}
throw e;
}
}
);
}
}