HHH-16334 Add test for issue

This commit is contained in:
Andrea Boriero 2023-03-21 17:09:00 +01:00 committed by Christian Beikov
parent 71373ebf95
commit 6c9d9666a4
18 changed files with 4824 additions and 0 deletions

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/*
* 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.bytecode.enhancement.lazy;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.hibernate.annotations.Fetch;
import org.hibernate.annotations.FetchMode;
import org.hibernate.boot.SessionFactoryBuilder;
import org.hibernate.engine.spi.SessionImplementor;
import org.hibernate.testing.bytecode.enhancement.BytecodeEnhancerRunner;
import org.hibernate.testing.junit4.BaseNonConfigCoreFunctionalTestCase;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.jupiter.api.Assertions;
import org.junit.runner.RunWith;
import jakarta.persistence.ElementCollection;
import jakarta.persistence.Entity;
import jakarta.persistence.FetchType;
import jakarta.persistence.Id;
import jakarta.persistence.Table;
import static org.hibernate.testing.transaction.TransactionUtil.doInJPA;
import static org.junit.Assert.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
/**
* @author Christian Beikov
*/
@RunWith(BytecodeEnhancerRunner.class)
public class MultipleBagsInLazyFetchGroupFtechModeSelectTest extends BaseNonConfigCoreFunctionalTestCase {
@Override
public Class<?>[] getAnnotatedClasses() {
return new Class<?>[] { StringsEntity.class };
}
@Override
protected void configureSessionFactoryBuilder(SessionFactoryBuilder sfb) {
super.configureSessionFactoryBuilder( sfb );
sfb.applyCollectionsInDefaultFetchGroup( true );
}
@After
public void tearDown() {
doInJPA( this::sessionFactory, em -> {
em.createQuery( "delete from StringsEntity" ).executeUpdate();
} );
}
@Before
public void prepare() {
assertTrue( sessionFactory().getSessionFactoryOptions().isCollectionsInDefaultFetchGroupEnabled() );
doInJPA( this::sessionFactory, em -> {
StringsEntity entity = new StringsEntity();
entity.id = 1L;
entity.text = "abc";
entity.someStrings = new ArrayList<>( Arrays.asList( "a", "b", "c" ) );
entity.someStrings2 = new ArrayList<>( Arrays.asList( "a", "b", "c", "d" ) );
em.persist( entity );
} );
}
@Test
public void testGetReference() {
Assertions.assertTrue( sessionFactory().getSessionFactoryOptions().isCollectionsInDefaultFetchGroupEnabled() );
doInJPA( this::sessionFactory, entityManager -> {
StringsEntity entity = entityManager.getReference( StringsEntity.class, 1L );
assertEquals( 3, entity.someStrings.size() );
assertEquals( 4, entity.someStrings2.size() );
} );
}
@Test
public void testFind() {
Assertions.assertTrue( sessionFactory().getSessionFactoryOptions().isCollectionsInDefaultFetchGroupEnabled() );
doInJPA( this::sessionFactory, entityManager -> {
StringsEntity entity = entityManager.find( StringsEntity.class, 1L );
assertEquals( 3, entity.someStrings.size() );
assertEquals( 4, entity.someStrings2.size() );
} );
}
// --- //
@Entity(name = "StringsEntity")
@Table(name = "STRINGS_ENTITY")
private static class StringsEntity {
@Id
Long id;
String text;
@ElementCollection(fetch = FetchType.EAGER)
@Fetch(FetchMode.SELECT)
List<String> someStrings;
@ElementCollection(fetch = FetchType.EAGER)
@Fetch(FetchMode.SELECT)
List<String> someStrings2;
}
}

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package org.hibernate.orm.test.bytecode.enhancement.orphan;
import java.util.ArrayList;
import java.util.List;
import org.hibernate.Hibernate;
import org.hibernate.bytecode.enhance.spi.DefaultEnhancementContext;
import org.hibernate.testing.TestForIssue;
import org.hibernate.testing.bytecode.enhancement.BytecodeEnhancerRunner;
import org.hibernate.testing.bytecode.enhancement.CustomEnhancementContext;
import org.hibernate.testing.bytecode.enhancement.EnhancerTestContext;
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
import org.junit.After;
import org.junit.Test;
import org.junit.runner.RunWith;
import jakarta.persistence.CascadeType;
import jakarta.persistence.Entity;
import jakarta.persistence.FetchType;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.Id;
import jakarta.persistence.ManyToOne;
import jakarta.persistence.OneToMany;
import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
import static org.junit.jupiter.api.Assertions.assertTrue;
@TestForIssue(jiraKey = "HHH-16334")
@RunWith(BytecodeEnhancerRunner.class)
@CustomEnhancementContext({
EnhancerTestContext.class, // supports laziness and dirty-checking
NoDirtyCheckEnhancementContext.class, // supports laziness; does not support dirty-checking,
DefaultEnhancementContext.class
})
public class EagerOneToManyPersistAndLoad2Test extends BaseCoreFunctionalTestCase {
public static final String CHILD_NAME = "Luigi";
@Override
protected Class<?>[] getAnnotatedClasses() {
return new Class[]{
Parent.class,
Child.class
};
}
@After
public void tearDown() {
inTransaction(
session -> {
session.createMutationQuery( "delete from Child" ).executeUpdate();
session.createMutationQuery( "delete from Parent" ).executeUpdate();
}
);
}
@Test
public void testEmptyCollectionPersistQueryJoinFetch() {
inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
}
);
inTransaction(
session -> {
Parent p = session.getReference( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p left join fetch p.children",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
List<Child> children = p.getChildren();
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children ).isEqualTo( parents.get( 0 ).getChildren() );
assertThat( children.size() ).isEqualTo( 0 );
}
);
}
@Test
public void testEmptyCollectionPersistQuery() {
inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
}
);
inTransaction(
session -> {
Parent p = session.getReference( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p ",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
List<Child> children = p.getChildren();
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 0 );
}
);
}
@Test
public void testCollectionPersistQueryJoinFetch() {
inTransaction(
session -> {
Parent p = new Parent( 1l );
Child c = new Child( CHILD_NAME );
p.addChild( c );
session.persist( c );
session.persist( p );
}
);
inTransaction(
session -> {
Parent p = session.getReference( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p join fetch p.children",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
List<Child> children = p.getChildren();
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 1 );
}
);
}
@Test
public void testCollectionPersistQuery() {
inTransaction(
session -> {
Parent p = new Parent( 1l );
Child c = new Child( CHILD_NAME );
p.addChild( c );
session.persist( c );
session.persist( p );
}
);
inTransaction(
session -> {
Parent p = session.getReference( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
List<Child> children = p.getChildren();
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 1 );
Child child = children.get( 0 );
assertThat( child.getName() ).isEqualTo( CHILD_NAME );
}
);
}
@Entity(name = "Child")
public static class Child {
@Id
@GeneratedValue
private Long id;
private String name;
@ManyToOne
private Parent parent;
public Child() {
}
public Child(String name) {
this.name = name;
}
public Long getId() {
return id;
}
public String getName() {
return name;
}
public Parent getParent() {
return parent;
}
public void setParent(Parent parent) {
this.parent = parent;
}
}
@Entity(name = "Parent")
public static class Parent {
@Id
private Long id;
private String name;
@OneToMany(mappedBy = "parent", cascade = CascadeType.ALL, orphanRemoval = true, fetch = FetchType.EAGER)
private List<Child> children;
public Parent() {
}
public Parent(Long id) {
this.id = id;
}
public Long getId() {
return id;
}
public List<Child> getChildren() {
return children;
}
public void addChild(Child c) {
if ( children == null ) {
children = new ArrayList<>();
}
children.add( c );
c.setParent( this );
}
}
}

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package org.hibernate.orm.test.bytecode.enhancement.orphan;
import java.util.ArrayList;
import java.util.List;
import org.hibernate.Hibernate;
import org.hibernate.bytecode.enhance.spi.DefaultEnhancementContext;
import org.hibernate.testing.TestForIssue;
import org.hibernate.testing.bytecode.enhancement.BytecodeEnhancerRunner;
import org.hibernate.testing.bytecode.enhancement.CustomEnhancementContext;
import org.hibernate.testing.bytecode.enhancement.EnhancerTestContext;
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
import org.junit.After;
import org.junit.Test;
import org.junit.runner.RunWith;
import jakarta.persistence.CascadeType;
import jakarta.persistence.Entity;
import jakarta.persistence.FetchType;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.Id;
import jakarta.persistence.ManyToOne;
import jakarta.persistence.OneToMany;
import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
import static org.junit.jupiter.api.Assertions.assertTrue;
@TestForIssue(jiraKey = "HHH-16334")
@RunWith(BytecodeEnhancerRunner.class)
@CustomEnhancementContext({
EnhancerTestContext.class, // supports laziness and dirty-checking
NoDirtyCheckEnhancementContext.class, // supports laziness; does not support dirty-checking,
DefaultEnhancementContext.class
})
public class EagerOneToManyPersistAndLoadTest extends BaseCoreFunctionalTestCase {
public static final String CHILD_NAME = "Luigi";
@Override
protected Class<?>[] getAnnotatedClasses() {
return new Class[] {
Parent.class,
Child.class
};
}
@After
public void tearDown() {
inTransaction(
session -> {
session.createMutationQuery( "delete from Child" ).executeUpdate();
session.createMutationQuery( "delete from Parent" ).executeUpdate();
}
);
}
@Test
public void testEmptyCollectionPersistLoad() {
inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
List<Child> children = p.getChildren();
List<Parent> parents = session.createQuery( "from Parent", Parent.class ).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
Parent parent = parents.get( 0 );
assertThat( parent ).isEqualTo( p );
assertThat( parent.getChildren() ).isEqualTo( children );
assertThat( children ).isNull();
}
);
}
@Test
public void testEmptyCollectionPersistQueryJoinFetch() {
inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
}
);
inTransaction(
session -> {
Parent p = session.get( Parent.class, 1l );
List<Child> children = p.getChildren();
assertTrue( Hibernate.isInitialized( children ) );
List<Parent> parents = session.createQuery(
"select p from Parent p left join fetch p.children",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children ).isEqualTo( parents.get( 0 ).getChildren() );
assertThat( children.size() ).isEqualTo( 0 );
}
);
}
@Test
public void testEmptyCollectionPersistQuery() {
inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
}
);
inTransaction(
session -> {
Parent p = session.get( Parent.class, 1l );
List<Child> children = p.getChildren();
assertTrue( Hibernate.isInitialized( children ) );
List<Parent> parents = session.createQuery(
"select p from Parent p ",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 0 );
}
);
}
@Test
public void testCollectionPersistLoad() {
inTransaction(
session -> {
Parent p = new Parent( 1l );
Child c = new Child( CHILD_NAME );
p.addChild( c );
session.persist( c );
session.persist( p );
List<Parent> parents = session.createQuery( "from Parent", Parent.class ).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
List<Child> children = parents.get( 0 ).getChildren();
assertThat( children.size() ).isEqualTo( 1 );
}
);
}
@Test
public void testCollectionPersistQueryJoinFetch() {
inTransaction(
session -> {
Parent p = new Parent( 1l );
Child c = new Child( CHILD_NAME );
p.addChild( c );
session.persist( c );
session.persist( p );
}
);
inTransaction(
session -> {
Parent p = session.get( Parent.class, 1l );
List<Child> children = p.getChildren();
assertTrue( Hibernate.isInitialized( p.getChildren() ) );
List<Parent> parents = session.createQuery(
"select p from Parent p join fetch p.children",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 1 );
}
);
}
@Test
public void testCollectionPersistQuery() {
inTransaction(
session -> {
Parent p = new Parent( 1l );
Child c = new Child( CHILD_NAME );
p.addChild( c );
session.persist( c );
session.persist( p );
}
);
inTransaction(
session -> {
Parent p = session.get( Parent.class, 1l );
List<Child> children = p.getChildren();
assertTrue( Hibernate.isInitialized( children ) );
List<Parent> parents = session.createQuery(
"select p from Parent p",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
Child child = children.get( 0 );
assertThat( child.getName() ).isEqualTo( CHILD_NAME );
}
);
}
@Entity(name = "Child")
public static class Child {
@Id
@GeneratedValue
private Long id;
private String name;
@ManyToOne
private Parent parent;
public Child() {
}
public Child(String name) {
this.name = name;
}
public Long getId() {
return id;
}
public String getName() {
return name;
}
public Parent getParent() {
return parent;
}
public void setParent(Parent parent) {
this.parent = parent;
}
}
@Entity(name = "Parent")
public static class Parent {
@Id
private Long id;
private String name;
@OneToMany(mappedBy = "parent", cascade = CascadeType.ALL, orphanRemoval = true, fetch = FetchType.EAGER)
private List<Child> children;
public Parent() {
}
public Parent(Long id) {
this.id = id;
}
public Long getId() {
return id;
}
public List<Child> getChildren() {
return children;
}
public void addChild(Child c) {
if ( children == null ) {
children = new ArrayList<>();
}
children.add( c );
c.setParent( this );
}
}
}

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package org.hibernate.orm.test.bytecode.enhancement.orphan;
import java.util.ArrayList;
import java.util.List;
import org.hibernate.Hibernate;
import org.hibernate.annotations.Fetch;
import org.hibernate.annotations.FetchMode;
import org.hibernate.bytecode.enhance.spi.DefaultEnhancementContext;
import org.hibernate.testing.TestForIssue;
import org.hibernate.testing.bytecode.enhancement.BytecodeEnhancerRunner;
import org.hibernate.testing.bytecode.enhancement.CustomEnhancementContext;
import org.hibernate.testing.bytecode.enhancement.EnhancerTestContext;
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
import org.junit.After;
import org.junit.Test;
import org.junit.runner.RunWith;
import jakarta.persistence.CascadeType;
import jakarta.persistence.Entity;
import jakarta.persistence.FetchType;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.Id;
import jakarta.persistence.ManyToOne;
import jakarta.persistence.OneToMany;
import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
import static org.junit.jupiter.api.Assertions.assertTrue;
@TestForIssue(jiraKey = "HHH-16334")
@RunWith(BytecodeEnhancerRunner.class)
@CustomEnhancementContext({
EnhancerTestContext.class, // supports laziness and dirty-checking
NoDirtyCheckEnhancementContext.class, // supports laziness; does not support dirty-checking,
DefaultEnhancementContext.class
})
public class EagerSubSelectOneToManyPersistAndLoad2Test extends BaseCoreFunctionalTestCase {
public static final String CHILD_NAME = "Luigi";
@Override
protected Class<?>[] getAnnotatedClasses() {
return new Class[]{
Parent.class,
Child.class
};
}
@After
public void tearDown() {
inTransaction(
session -> {
session.createMutationQuery( "delete from Child" ).executeUpdate();
session.createMutationQuery( "delete from Parent" ).executeUpdate();
}
);
}
@Test
public void testEmptyCollectionPersistQueryJoinFetch() {
inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
}
);
inTransaction(
session -> {
Parent p = session.getReference( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p left join fetch p.children",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
List<Child> children = p.getChildren();
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children ).isEqualTo( parents.get( 0 ).getChildren() );
assertThat( children.size() ).isEqualTo( 0 );
}
);
}
@Test
public void testEmptyCollectionPersistQuery() {
inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
}
);
inTransaction(
session -> {
Parent p = session.getReference( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p ",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
List<Child> children = p.getChildren();
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 0 );
}
);
}
@Test
public void testCollectionPersistQueryJoinFetch() {
inTransaction(
session -> {
Parent p = new Parent( 1l );
Child c = new Child( CHILD_NAME );
p.addChild( c );
session.persist( c );
session.persist( p );
}
);
inTransaction(
session -> {
Parent p = session.getReference( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p join fetch p.children",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
List<Child> children = p.getChildren();
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 1 );
}
);
}
@Test
public void testCollectionPersistQuery() {
inTransaction(
session -> {
Parent p = new Parent( 1l );
Child c = new Child( CHILD_NAME );
p.addChild( c );
session.persist( c );
session.persist( p );
}
);
inTransaction(
session -> {
Parent p = session.getReference( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
List<Child> children = p.getChildren();
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 1 );
Child child = children.get( 0 );
assertThat( child.getName() ).isEqualTo( CHILD_NAME );
}
);
}
@Entity(name = "Child")
public static class Child {
@Id
@GeneratedValue
private Long id;
private String name;
@ManyToOne
private Parent parent;
public Child() {
}
public Child(String name) {
this.name = name;
}
public Long getId() {
return id;
}
public String getName() {
return name;
}
public Parent getParent() {
return parent;
}
public void setParent(Parent parent) {
this.parent = parent;
}
}
@Entity(name = "Parent")
public static class Parent {
@Id
private Long id;
private String name;
@OneToMany(mappedBy = "parent", cascade = CascadeType.ALL, orphanRemoval = true, fetch = FetchType.EAGER)
@Fetch( FetchMode.SUBSELECT )
private List<Child> children;
public Parent() {
}
public Parent(Long id) {
this.id = id;
}
public Long getId() {
return id;
}
public List<Child> getChildren() {
return children;
}
public void addChild(Child c) {
if ( children == null ) {
children = new ArrayList<>();
}
children.add( c );
c.setParent( this );
}
}
}

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package org.hibernate.orm.test.bytecode.enhancement.orphan;
import java.util.ArrayList;
import java.util.List;
import org.hibernate.Hibernate;
import org.hibernate.annotations.Fetch;
import org.hibernate.annotations.FetchMode;
import org.hibernate.bytecode.enhance.spi.DefaultEnhancementContext;
import org.hibernate.testing.TestForIssue;
import org.hibernate.testing.bytecode.enhancement.BytecodeEnhancerRunner;
import org.hibernate.testing.bytecode.enhancement.CustomEnhancementContext;
import org.hibernate.testing.bytecode.enhancement.EnhancerTestContext;
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
import org.junit.After;
import org.junit.Test;
import org.junit.runner.RunWith;
import jakarta.persistence.CascadeType;
import jakarta.persistence.Entity;
import jakarta.persistence.FetchType;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.Id;
import jakarta.persistence.ManyToOne;
import jakarta.persistence.OneToMany;
import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
import static org.junit.jupiter.api.Assertions.assertTrue;
@TestForIssue(jiraKey = "HHH-16334")
@RunWith(BytecodeEnhancerRunner.class)
@CustomEnhancementContext({
EnhancerTestContext.class, // supports laziness and dirty-checking
NoDirtyCheckEnhancementContext.class, // supports laziness; does not support dirty-checking,
DefaultEnhancementContext.class
})
public class EagerSubSelectOneToManyPersistAndLoadTest extends BaseCoreFunctionalTestCase {
public static final String CHILD_NAME = "Luigi";
@Override
protected Class<?>[] getAnnotatedClasses() {
return new Class[] {
Parent.class,
Child.class
};
}
@After
public void tearDown() {
inTransaction(
session -> {
session.createMutationQuery( "delete from Child" ).executeUpdate();
session.createMutationQuery( "delete from Parent" ).executeUpdate();
}
);
}
@Test
public void testEmptyCollectionPersistLoad() {
inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
List<Child> children = p.getChildren();
List<Parent> parents = session.createQuery( "from Parent", Parent.class ).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
Parent parent = parents.get( 0 );
assertThat( parent ).isEqualTo( p );
assertThat( parent.getChildren() ).isEqualTo( children );
assertThat( children ).isNull();
}
);
}
@Test
public void testEmptyCollectionPersistQueryJoinFetch() {
inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
}
);
inTransaction(
session -> {
Parent p = session.get( Parent.class, 1l );
List<Child> children = p.getChildren();
assertTrue( Hibernate.isInitialized( children ) );
List<Parent> parents = session.createQuery(
"select p from Parent p left join fetch p.children",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children ).isEqualTo( parents.get( 0 ).getChildren() );
assertThat( children.size() ).isEqualTo( 0 );
}
);
}
@Test
public void testEmptyCollectionPersistQuery() {
inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
}
);
inTransaction(
session -> {
Parent p = session.get( Parent.class, 1l );
List<Child> children = p.getChildren();
assertTrue( Hibernate.isInitialized( children ) );
List<Parent> parents = session.createQuery(
"select p from Parent p ",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 0 );
}
);
}
@Test
public void testCollectionPersistLoad() {
inTransaction(
session -> {
Parent p = new Parent( 1l );
Child c = new Child( CHILD_NAME );
p.addChild( c );
session.persist( c );
session.persist( p );
List<Parent> parents = session.createQuery( "from Parent", Parent.class ).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
List<Child> children = parents.get( 0 ).getChildren();
assertThat( children.size() ).isEqualTo( 1 );
}
);
}
@Test
public void testCollectionPersistQueryJoinFetch() {
inTransaction(
session -> {
Parent p = new Parent( 1l );
Child c = new Child( CHILD_NAME );
p.addChild( c );
session.persist( c );
session.persist( p );
}
);
inTransaction(
session -> {
Parent p = session.get( Parent.class, 1l );
List<Child> children = p.getChildren();
assertTrue( Hibernate.isInitialized( p.getChildren() ) );
List<Parent> parents = session.createQuery(
"select p from Parent p join fetch p.children",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 1 );
}
);
}
@Test
public void testCollectionPersistQuery() {
inTransaction(
session -> {
Parent p = new Parent( 1l );
Child c = new Child( CHILD_NAME );
p.addChild( c );
session.persist( c );
session.persist( p );
}
);
inTransaction(
session -> {
Parent p = session.get( Parent.class, 1l );
List<Child> children = p.getChildren();
assertTrue( Hibernate.isInitialized( children ) );
List<Parent> parents = session.createQuery(
"select p from Parent p",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
Child child = children.get( 0 );
assertThat( child.getName() ).isEqualTo( CHILD_NAME );
}
);
}
@Entity(name = "Child")
public static class Child {
@Id
@GeneratedValue
private Long id;
private String name;
@ManyToOne
private Parent parent;
public Child() {
}
public Child(String name) {
this.name = name;
}
public Long getId() {
return id;
}
public String getName() {
return name;
}
public Parent getParent() {
return parent;
}
public void setParent(Parent parent) {
this.parent = parent;
}
}
@Entity(name = "Parent")
public static class Parent {
@Id
private Long id;
private String name;
@OneToMany(mappedBy = "parent", cascade = CascadeType.ALL, orphanRemoval = true, fetch = FetchType.EAGER)
@Fetch( FetchMode.SUBSELECT )
private List<Child> children;
public Parent() {
}
public Parent(Long id) {
this.id = id;
}
public Long getId() {
return id;
}
public List<Child> getChildren() {
return children;
}
public void addChild(Child c) {
if ( children == null ) {
children = new ArrayList<>();
}
children.add( c );
c.setParent( this );
}
}
}

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package org.hibernate.orm.test.bytecode.enhancement.orphan;
import java.util.ArrayList;
import java.util.List;
import org.hibernate.Hibernate;
import org.hibernate.bytecode.enhance.spi.DefaultEnhancementContext;
import org.hibernate.testing.TestForIssue;
import org.hibernate.testing.bytecode.enhancement.BytecodeEnhancerRunner;
import org.hibernate.testing.bytecode.enhancement.CustomEnhancementContext;
import org.hibernate.testing.bytecode.enhancement.EnhancerTestContext;
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
import org.junit.After;
import org.junit.Test;
import org.junit.runner.RunWith;
import jakarta.persistence.CascadeType;
import jakarta.persistence.Entity;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.Id;
import jakarta.persistence.ManyToOne;
import jakarta.persistence.OneToMany;
import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
@TestForIssue(jiraKey = "HHH-16334")
@RunWith(BytecodeEnhancerRunner.class)
@CustomEnhancementContext({
EnhancerTestContext.class, // supports laziness and dirty-checking
NoDirtyCheckEnhancementContext.class, // supports laziness; does not support dirty-checking,
DefaultEnhancementContext.class
})
public class LazyOneToManyPersistAndLoad2Test extends BaseCoreFunctionalTestCase {
public static final String CHILD_NAME = "Luigi";
@Override
protected Class<?>[] getAnnotatedClasses() {
return new Class[] {
Parent.class,
Child.class
};
}
@After
public void tearDown() {
inTransaction(
session -> {
session.createMutationQuery( "delete from Child" ).executeUpdate();
session.createMutationQuery( "delete from Parent" ).executeUpdate();
}
);
}
@Test
public void testEmptyCollectionPersistQueryJoinFetch() {
inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
}
);
inTransaction(
session -> {
Parent p = session.getReference( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p left join fetch p.children",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
List<Child> children = p.getChildren();
assertThat( children ).isEqualTo( parents.get( 0 ).getChildren() );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 0 );
}
);
}
@Test
public void testEmptyCollectionPersistQuery() {
inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
}
);
inTransaction(
session -> {
Parent p = session.getReference( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p ",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
List<Child> children = p.getChildren();
assertThat( children ).isEqualTo( parents.get( 0 ).getChildren() );
assertFalse( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 0 );
}
);
}
@Test
public void testCollectionPersistQueryJoinFetch() {
inTransaction(
session -> {
Parent p = new Parent( 1l );
Child c = new Child( CHILD_NAME );
p.addChild( c );
session.persist( c );
session.persist( p );
}
);
inTransaction(
session -> {
Parent p = session.getReference( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p join fetch p.children",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
List<Child> children = p.getChildren();
assertThat( children ).isEqualTo( parents.get( 0 ).getChildren() );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 1 );
}
);
}
@Test
public void testCollectionPersistQuery() {
inTransaction(
session -> {
Parent p = new Parent( 1l );
Child c = new Child( CHILD_NAME );
p.addChild( c );
session.persist( c );
session.persist( p );
}
);
inTransaction(
session -> {
Parent p = session.getReference( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
List<Child> children = p.getChildren();
assertThat( children ).isEqualTo( parents.get( 0 ).getChildren() );
assertFalse( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 1 );
Child child = children.get( 0 );
assertThat( child.getName() ).isEqualTo( CHILD_NAME );
}
);
}
@Entity(name = "Child")
public static class Child {
@Id
@GeneratedValue
private Long id;
private String name;
@ManyToOne
private Parent parent;
public Child() {
}
public Child(String name) {
this.name = name;
}
public Long getId() {
return id;
}
public String getName() {
return name;
}
public Parent getParent() {
return parent;
}
public void setParent(Parent parent) {
this.parent = parent;
}
}
@Entity(name = "Parent")
public static class Parent {
@Id
private Long id;
private String name;
@OneToMany(mappedBy = "parent", cascade = CascadeType.ALL, orphanRemoval = true)
private List<Child> children;
public Parent() {
}
public Parent(Long id) {
this.id = id;
}
public Long getId() {
return id;
}
public List<Child> getChildren() {
return children;
}
public void addChild(Child c) {
if ( children == null ) {
children = new ArrayList<>();
}
children.add( c );
c.setParent( this );
}
}
}

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package org.hibernate.orm.test.bytecode.enhancement.orphan;
import java.util.ArrayList;
import java.util.List;
import org.hibernate.Hibernate;
import org.hibernate.bytecode.enhance.spi.DefaultEnhancementContext;
import org.hibernate.testing.TestForIssue;
import org.hibernate.testing.bytecode.enhancement.BytecodeEnhancerRunner;
import org.hibernate.testing.bytecode.enhancement.CustomEnhancementContext;
import org.hibernate.testing.bytecode.enhancement.EnhancerTestContext;
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
import org.junit.After;
import org.junit.Test;
import org.junit.runner.RunWith;
import jakarta.persistence.CascadeType;
import jakarta.persistence.Entity;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.Id;
import jakarta.persistence.ManyToOne;
import jakarta.persistence.OneToMany;
import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
@TestForIssue(jiraKey = "HHH-16334")
@RunWith(BytecodeEnhancerRunner.class)
@CustomEnhancementContext({
EnhancerTestContext.class, // supports laziness and dirty-checking
NoDirtyCheckEnhancementContext.class, // supports laziness; does not support dirty-checking,
DefaultEnhancementContext.class
})
public class LazyOneToManyPersistAndLoadTest extends BaseCoreFunctionalTestCase {
public static final String CHILD_NAME = "Luigi";
@Override
protected Class<?>[] getAnnotatedClasses() {
return new Class[] {
Parent.class,
Child.class
};
}
@After
public void tearDown() {
inTransaction(
session -> {
session.createMutationQuery( "delete from Child" ).executeUpdate();
session.createMutationQuery( "delete from Parent" ).executeUpdate();
}
);
}
@Test
public void testEmptyCollectionPersistLoad() {
inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
List<Child> children = p.getChildren();
List<Parent> parents = session.createQuery( "from Parent", Parent.class ).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
Parent parent = parents.get( 0 );
assertThat( parent ).isEqualTo( p );
assertThat( parent.getChildren() ).isEqualTo( children );
assertThat( children ).isNull();
}
);
}
@Test
public void testEmptyCollectionPersistQueryJoinFetch() {
inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
}
);
inTransaction(
session -> {
Parent p = session.get( Parent.class, 1l );
assertFalse( Hibernate.isInitialized( p.getChildren() ) );
List<Parent> parents = session.createQuery(
"select p from Parent p left join fetch p.children",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
List<Child> children = p.getChildren();
assertThat( children ).isEqualTo( parents.get( 0 ).getChildren() );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 0 );
}
);
}
@Test
public void testEmptyCollectionPersistQuery() {
inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
}
);
inTransaction(
session -> {
Parent p = session.get( Parent.class, 1l );
List<Child> children = p.getChildren();
assertFalse( Hibernate.isInitialized( children ) );
List<Parent> parents = session.createQuery(
"select p from Parent p ",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertFalse( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 0 );
}
);
}
@Test
public void testCollectionPersistLoad() {
inTransaction(
session -> {
Parent p = new Parent( 1l );
Child c = new Child( CHILD_NAME );
p.addChild( c );
session.persist( c );
session.persist( p );
List<Parent> parents = session.createQuery( "from Parent", Parent.class ).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
List<Child> children = parents.get( 0 ).getChildren();
assertThat( children.size() ).isEqualTo( 1 );
}
);
}
@Test
public void testCollectionPersistQueryJoinFetch() {
inTransaction(
session -> {
Parent p = new Parent( 1l );
Child c = new Child( CHILD_NAME );
p.addChild( c );
session.persist( c );
session.persist( p );
}
);
inTransaction(
session -> {
Parent p = session.get( Parent.class, 1l );
assertFalse( Hibernate.isInitialized( p.getChildren() ) );
List<Child> children = p.getChildren();
List<Parent> parents = session.createQuery(
"select p from Parent p join fetch p.children",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
}
);
}
@Test
public void testCollectionPersistQuery() {
inTransaction(
session -> {
Parent p = new Parent( 1l );
Child c = new Child( CHILD_NAME );
p.addChild( c );
session.persist( c );
session.persist( p );
}
);
inTransaction(
session -> {
Parent p = session.get( Parent.class, 1l );
List<Child> children = p.getChildren();
assertFalse( Hibernate.isInitialized( children ) );
List<Parent> parents = session.createQuery(
"select p from Parent p",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
assertFalse( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
Child child = children.get( 0 );
assertThat( child.getName() ).isEqualTo( CHILD_NAME );
}
);
}
@Entity(name = "Child")
public static class Child {
@Id
@GeneratedValue
private Long id;
private String name;
@ManyToOne
private Parent parent;
public Child() {
}
public Child(String name) {
this.name = name;
}
public Long getId() {
return id;
}
public String getName() {
return name;
}
public Parent getParent() {
return parent;
}
public void setParent(Parent parent) {
this.parent = parent;
}
}
@Entity(name = "Parent")
public static class Parent {
@Id
private Long id;
private String name;
@OneToMany(mappedBy = "parent", cascade = CascadeType.ALL, orphanRemoval = true)
private List<Child> children;
public Parent() {
}
public Parent(Long id) {
this.id = id;
}
public Long getId() {
return id;
}
public List<Child> getChildren() {
return children;
}
public void addChild(Child c) {
if ( children == null ) {
children = new ArrayList<>();
}
children.add( c );
c.setParent( this );
}
}
}

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@ -0,0 +1,22 @@
package org.hibernate.orm.test.bytecode.enhancement.orphan;
import org.hibernate.bytecode.enhance.spi.DefaultEnhancementContext;
import org.hibernate.bytecode.enhance.spi.UnloadedClass;
import org.hibernate.bytecode.enhance.spi.UnloadedField;
public class NoDirtyCheckEnhancementContext extends DefaultEnhancementContext {
@Override
public boolean hasLazyLoadableAttributes(UnloadedClass classDescriptor) {
return true;
}
@Override
public boolean isLazyLoadable(UnloadedField field) {
return true;
}
@Override
public boolean doDirtyCheckingInline(UnloadedClass classDescriptor) {
return false;
}
}

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package org.hibernate.orm.test.bytecode.enhancement.orphan;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.hibernate.Hibernate;
import org.hibernate.bytecode.enhance.spi.DefaultEnhancementContext;
import org.hibernate.engine.spi.SessionImplementor;
import org.hibernate.testing.TestForIssue;
import org.hibernate.testing.bytecode.enhancement.BytecodeEnhancerRunner;
import org.hibernate.testing.bytecode.enhancement.CustomEnhancementContext;
import org.hibernate.testing.bytecode.enhancement.EnhancerTestContext;
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
import org.junit.After;
import org.junit.Test;
import org.junit.runner.RunWith;
import jakarta.persistence.CascadeType;
import jakarta.persistence.Entity;
import jakarta.persistence.FetchType;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.Id;
import jakarta.persistence.JoinTable;
import jakarta.persistence.OneToMany;
import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
import static org.junit.jupiter.api.Assertions.assertTrue;
@TestForIssue(jiraKey = "HHH-16334")
@RunWith(BytecodeEnhancerRunner.class)
@CustomEnhancementContext({
EnhancerTestContext.class, // supports laziness and dirty-checking
DefaultEnhancementContext.class
})
public class OneToManyPersistAndLoad2Test extends BaseCoreFunctionalTestCase {
public static final String CHILD_NAME = "Luigi";
public static final String CHILD_NAME_2 = "Fab1";
public static final String CHILD_NAME_3 = "Fab2";
public static final String CHILD_NAME_4 = "Fab3";
public static final String CHILD_NAME_5 = "Fab4";
public static final String CHILD_NAME_6 = "Fab5";
public static final String CHILD_NAME_7 = "Fab6";
public static final String CHILD_NAME_8 = "Fab7";
public static final String CHILD_NAME_9 = "Fab8";
@Override
protected Class<?>[] getAnnotatedClasses() {
return new Class[] {
Parent.class,
Child.class
};
}
@After
public void tearDown() {
inTransaction(
session -> {
Parent parent = session.get( Parent.class, 1l );
session.delete( parent );
}
);
}
@Test
public void testEmptyCollectionPersistQueryJoinFetch() {
inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
}
);
inTransaction(
session -> {
Parent p = session.getReference( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p left join fetch p.children",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
Set<Child> children = p.getChildren();
Set<Child> children2 = p.getChildren2();
Set<Child> children3 = p.getChildren3();
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertThat( parents.get( 0 ).getChildren2() ).isEqualTo( children2 );
assertThat( parents.get( 0 ).getChildren3() ).isEqualTo( children3 );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 0 );
assertThat( children2.size() ).isEqualTo( 0 );
assertThat( children3.size() ).isEqualTo( 0 );
}
);
}
@Test
public void testEmptyCollectionPersistQuery() {
inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
}
);
inTransaction(
session -> {
Parent p = session.getReference( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p ",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
Set<Child> children = p.getChildren();
Set<Child> children2 = p.getChildren2();
Set<Child> children3 = p.getChildren3();
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertThat( parents.get( 0 ).getChildren2() ).isEqualTo( children2 );
assertThat( parents.get( 0 ).getChildren3() ).isEqualTo( children3 );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 0 );
assertThat( children2.size() ).isEqualTo( 0 );
assertThat( children3.size() ).isEqualTo( 0 );
}
);
}
@Test
public void testCollectionPersistQueryJoinFetch() {
inTransaction(
session -> {
populateParentWithChildren( session );
}
);
inTransaction(
session -> {
Parent p = session.getReference( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select distinct p from Parent p join fetch p.children",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
Set<Child> children = p.getChildren();
Set<Child> children2 = p.getChildren2();
Set<Child> children3 = p.getChildren3();
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertThat( parents.get( 0 ).getChildren2() ).isEqualTo( children2 );
assertThat( parents.get( 0 ).getChildren3() ).isEqualTo( children3 );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 2 );
assertThat( children2.size() ).isEqualTo( 3 );
assertThat( children3.size() ).isEqualTo( 4 );
}
);
}
@Test
public void testCollectionPersistQuery() {
inTransaction(
session -> {
populateParentWithChildren( session );
}
);
inTransaction(
session -> {
Parent p = session.getReference( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
Set<Child> children = p.getChildren();
Set<Child> children2 = p.getChildren2();
Set<Child> children3 = p.getChildren3();
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertThat( parents.get( 0 ).getChildren2() ).isEqualTo( children2 );
assertThat( parents.get( 0 ).getChildren3() ).isEqualTo( children3 );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 2 );
assertThat( children2.size() ).isEqualTo( 3 );
assertThat( children3.size() ).isEqualTo( 4 );
}
);
}
@Entity(name = "Child")
public static class Child {
@Id
@GeneratedValue
private Long id;
private String name;
public Child() {
}
public Child(String name) {
this.name = name;
}
public Long getId() {
return id;
}
public String getName() {
return name;
}
}
@Entity(name = "Parent")
public static class Parent {
@Id
private Long id;
private String name;
@OneToMany(cascade = CascadeType.ALL, orphanRemoval = true, fetch = FetchType.EAGER)
private Set<Child> children;
@OneToMany(cascade = CascadeType.ALL, orphanRemoval = true, fetch = FetchType.EAGER)
@JoinTable(name = "Parent_child2")
private Set<Child> children2;
@OneToMany(cascade = CascadeType.ALL, orphanRemoval = true)
@JoinTable(name = "Parent_child3")
private Set<Child> children3;
public Parent() {
}
public Parent(Long id) {
this.id = id;
}
public Long getId() {
return id;
}
public Set<Child> getChildren() {
return children;
}
public Set<Child> getChildren2() {
return children2;
}
public Set<Child> getChildren3() {
return children3;
}
public void addChild(Child c) {
if ( children == null ) {
children = new HashSet<>();
}
children.add( c );
}
public void addChild2(Child c) {
if ( children2 == null ) {
children2 = new HashSet<>();
}
children2.add( c );
}
public void addChild3(Child c) {
if ( children3 == null ) {
children3 = new HashSet<>();
}
children3.add( c );
}
}
private static void populateParentWithChildren(SessionImplementor session) {
Parent p = new Parent( 1l );
Child c = new Child( CHILD_NAME );
p.addChild( c );
Child c2 = new Child( CHILD_NAME_2 );
p.addChild( c2 );
Child c3 = new Child( CHILD_NAME_3 );
p.addChild2( c3 );
Child c4 = new Child( CHILD_NAME_4 );
p.addChild2( c4 );
Child c5 = new Child( CHILD_NAME_5 );
p.addChild2( c5 );
Child c6 = new Child( CHILD_NAME_6 );
p.addChild3( c6 );
Child c7 = new Child( CHILD_NAME_7 );
p.addChild3( c7 );
Child c8 = new Child( CHILD_NAME_8 );
p.addChild3( c8 );
Child c9 = new Child( CHILD_NAME_9 );
p.addChild3( c9 );
session.persist( c );
session.persist( c2 );
session.persist( c3 );
session.persist( c4 );
session.persist( c5 );
session.persist( c6 );
session.persist( c7 );
session.persist( c8 );
session.persist( c9 );
session.persist( p );
}
}

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package org.hibernate.orm.test.bytecode.enhancement.orphan;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.hibernate.Hibernate;
import org.hibernate.bytecode.enhance.spi.DefaultEnhancementContext;
import org.hibernate.engine.spi.SessionImplementor;
import org.hibernate.testing.TestForIssue;
import org.hibernate.testing.bytecode.enhancement.BytecodeEnhancerRunner;
import org.hibernate.testing.bytecode.enhancement.CustomEnhancementContext;
import org.hibernate.testing.bytecode.enhancement.EnhancerTestContext;
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
import org.junit.After;
import org.junit.Test;
import org.junit.runner.RunWith;
import jakarta.persistence.CascadeType;
import jakarta.persistence.Entity;
import jakarta.persistence.FetchType;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.Id;
import jakarta.persistence.JoinTable;
import jakarta.persistence.OneToMany;
import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
import static org.junit.jupiter.api.Assertions.assertTrue;
@TestForIssue(jiraKey = "HHH-16334")
@RunWith(BytecodeEnhancerRunner.class)
@CustomEnhancementContext({
EnhancerTestContext.class, // supports laziness and dirty-checking
DefaultEnhancementContext.class
})
public class OneToManyPersistAndLoadTest extends BaseCoreFunctionalTestCase {
public static final String CHILD_NAME = "Luigi";
public static final String CHILD_NAME_2 = "Fab1";
public static final String CHILD_NAME_3 = "Fab2";
public static final String CHILD_NAME_4 = "Fab3";
public static final String CHILD_NAME_5 = "Fab4";
public static final String CHILD_NAME_6 = "Fab5";
public static final String CHILD_NAME_7 = "Fab6";
public static final String CHILD_NAME_8 = "Fab7";
public static final String CHILD_NAME_9 = "Fab8";
@Override
protected Class<?>[] getAnnotatedClasses() {
return new Class[] {
Parent.class,
Child.class
};
}
@After
public void tearDown() {
inTransaction(
session -> {
Parent parent = session.get( Parent.class, 1l );
session.delete( parent );
}
);
}
@Test
public void testEmptyCollectionPersistQueryJoinFetch() {
inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
}
);
inTransaction(
session -> {
Parent p = session.get( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p left join fetch p.children",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
Set<Child> children = p.getChildren();
Set<Child> children2 = p.getChildren2();
Set<Child> children3 = p.getChildren3();
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertThat( parents.get( 0 ).getChildren2() ).isEqualTo( children2 );
assertThat( parents.get( 0 ).getChildren3() ).isEqualTo( children3 );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 0 );
assertThat( children2.size() ).isEqualTo( 0 );
assertThat( children3.size() ).isEqualTo( 0 );
}
);
}
@Test
public void testEmptyCollectionPersistQuery() {
inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
}
);
inTransaction(
session -> {
Parent p = session.get( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p ",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
Set<Child> children = p.getChildren();
Set<Child> children2 = p.getChildren2();
Set<Child> children3 = p.getChildren3();
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertThat( parents.get( 0 ).getChildren2() ).isEqualTo( children2 );
assertThat( parents.get( 0 ).getChildren3() ).isEqualTo( children3 );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 0 );
assertThat( children2.size() ).isEqualTo( 0 );
assertThat( children3.size() ).isEqualTo( 0 );
}
);
}
@Test
public void testCollectionPersistQueryJoinFetch() {
inTransaction(
session -> {
populateParentWithChildren( session );
}
);
inTransaction(
session -> {
Parent p = session.get( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select distinct p from Parent p join fetch p.children",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
Set<Child> children = p.getChildren();
Set<Child> children2 = p.getChildren2();
Set<Child> children3 = p.getChildren3();
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertThat( parents.get( 0 ).getChildren2() ).isEqualTo( children2 );
assertThat( parents.get( 0 ).getChildren3() ).isEqualTo( children3 );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 2 );
assertThat( children2.size() ).isEqualTo( 3 );
assertThat( children3.size() ).isEqualTo( 4 );
}
);
}
@Test
public void testCollectionPersistQuery() {
inTransaction(
session -> {
populateParentWithChildren( session );
}
);
inTransaction(
session -> {
Parent p = session.get( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
Set<Child> children = p.getChildren();
Set<Child> children2 = p.getChildren2();
Set<Child> children3 = p.getChildren3();
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertThat( parents.get( 0 ).getChildren2() ).isEqualTo( children2 );
assertThat( parents.get( 0 ).getChildren3() ).isEqualTo( children3 );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 2 );
assertThat( children2.size() ).isEqualTo( 3 );
assertThat( children3.size() ).isEqualTo( 4 );
}
);
}
@Entity(name = "Child")
public static class Child {
@Id
@GeneratedValue
private Long id;
private String name;
public Child() {
}
public Child(String name) {
this.name = name;
}
public Long getId() {
return id;
}
public String getName() {
return name;
}
}
@Entity(name = "Parent")
public static class Parent {
@Id
private Long id;
private String name;
@OneToMany(cascade = CascadeType.ALL, orphanRemoval = true, fetch = FetchType.EAGER)
private Set<Child> children;
@OneToMany(cascade = CascadeType.ALL, orphanRemoval = true, fetch = FetchType.EAGER)
@JoinTable(name = "Parent_child2")
private Set<Child> children2;
@OneToMany(cascade = CascadeType.ALL, orphanRemoval = true)
@JoinTable(name = "Parent_child3")
private Set<Child> children3;
public Parent() {
}
public Parent(Long id) {
this.id = id;
}
public Long getId() {
return id;
}
public Set<Child> getChildren() {
return children;
}
public Set<Child> getChildren2() {
return children2;
}
public Set<Child> getChildren3() {
return children3;
}
public void addChild(Child c) {
if ( children == null ) {
children = new HashSet<>();
}
children.add( c );
}
public void addChild2(Child c) {
if ( children2 == null ) {
children2 = new HashSet<>();
}
children2.add( c );
}
public void addChild3(Child c) {
if ( children3 == null ) {
children3 = new HashSet<>();
}
children3.add( c );
}
}
private static void populateParentWithChildren(SessionImplementor session) {
Parent p = new Parent( 1l );
Child c = new Child( CHILD_NAME );
p.addChild( c );
Child c2 = new Child( CHILD_NAME_2 );
p.addChild( c2 );
Child c3 = new Child( CHILD_NAME_3 );
p.addChild2( c3 );
Child c4 = new Child( CHILD_NAME_4 );
p.addChild2( c4 );
Child c5 = new Child( CHILD_NAME_5 );
p.addChild2( c5 );
Child c6 = new Child( CHILD_NAME_6 );
p.addChild3( c6 );
Child c7 = new Child( CHILD_NAME_7 );
p.addChild3( c7 );
Child c8 = new Child( CHILD_NAME_8 );
p.addChild3( c8 );
Child c9 = new Child( CHILD_NAME_9 );
p.addChild3( c9 );
session.persist( c );
session.persist( c2 );
session.persist( c3 );
session.persist( c4 );
session.persist( c5 );
session.persist( c6 );
session.persist( c7 );
session.persist( c8 );
session.persist( c9 );
session.persist( p );
}
}

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package org.hibernate.orm.test.jpa.orphan.onetomany;
import java.util.ArrayList;
import java.util.List;
import org.hibernate.Hibernate;
import org.hibernate.testing.TestForIssue;
import org.hibernate.testing.orm.junit.DomainModel;
import org.hibernate.testing.orm.junit.SessionFactory;
import org.hibernate.testing.orm.junit.SessionFactoryScope;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.Test;
import jakarta.persistence.CascadeType;
import jakarta.persistence.Entity;
import jakarta.persistence.FetchType;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.Id;
import jakarta.persistence.ManyToOne;
import jakarta.persistence.OneToMany;
import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
import static org.junit.jupiter.api.Assertions.assertTrue;
@TestForIssue(jiraKey = "HHH-16334")
@DomainModel(
annotatedClasses = {
EagerOneToManyPersistAndLoad2Test.Parent.class,
EagerOneToManyPersistAndLoad2Test.Child.class
}
)
@SessionFactory
public class EagerOneToManyPersistAndLoad2Test {
public static final String CHILD_NAME = "Luigi";
@AfterEach
public void tearDown(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
session.createMutationQuery( "delete from Child" ).executeUpdate();
session.createMutationQuery( "delete from Parent" ).executeUpdate();
}
);
}
@Test
public void testEmptyCollectionPersistQueryJoinFetch(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
}
);
scope.inTransaction(
session -> {
Parent p = session.getReference( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p left join fetch p.children",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
List<Child> children = p.getChildren();
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children ).isEqualTo( parents.get( 0 ).getChildren() );
assertThat( children.size() ).isEqualTo( 0 );
}
);
}
@Test
public void testEmptyCollectionPersistQuery(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
}
);
scope.inTransaction(
session -> {
Parent p = session.getReference( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p ",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
List<Child> children = p.getChildren();
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 0 );
}
);
}
@Test
public void testCollectionPersistQueryJoinFetch(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent p = new Parent( 1l );
Child c = new Child( CHILD_NAME );
p.addChild( c );
session.persist( c );
session.persist( p );
}
);
scope.inTransaction(
session -> {
Parent p = session.getReference( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p join fetch p.children",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
List<Child> children = p.getChildren();
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 1 );
}
);
}
@Test
public void testCollectionPersistQuery(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent p = new Parent( 1l );
Child c = new Child( CHILD_NAME );
p.addChild( c );
session.persist( c );
session.persist( p );
}
);
scope.inTransaction(
session -> {
Parent p = session.getReference( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
List<Child> children = p.getChildren();
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 1 );
Child child = children.get( 0 );
assertThat( child.getName() ).isEqualTo( CHILD_NAME );
}
);
}
@Entity(name = "Child")
public static class Child {
@Id
@GeneratedValue
private Long id;
private String name;
@ManyToOne
private Parent parent;
public Child() {
}
public Child(String name) {
this.name = name;
}
public Long getId() {
return id;
}
public String getName() {
return name;
}
public Parent getParent() {
return parent;
}
public void setParent(Parent parent) {
this.parent = parent;
}
}
@Entity(name = "Parent")
public static class Parent {
@Id
private Long id;
private String name;
@OneToMany(mappedBy = "parent", cascade = CascadeType.ALL, orphanRemoval = true, fetch = FetchType.EAGER)
private List<Child> children;
public Parent() {
}
public Parent(Long id) {
this.id = id;
}
public Long getId() {
return id;
}
public List<Child> getChildren() {
return children;
}
public void addChild(Child c) {
if ( children == null ) {
children = new ArrayList<>();
}
children.add( c );
c.setParent( this );
}
}
}

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package org.hibernate.orm.test.jpa.orphan.onetomany;
import java.util.ArrayList;
import java.util.List;
import org.hibernate.Hibernate;
import org.hibernate.testing.TestForIssue;
import org.hibernate.testing.orm.junit.DomainModel;
import org.hibernate.testing.orm.junit.SessionFactory;
import org.hibernate.testing.orm.junit.SessionFactoryScope;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.Test;
import jakarta.persistence.CascadeType;
import jakarta.persistence.Entity;
import jakarta.persistence.FetchType;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.Id;
import jakarta.persistence.ManyToOne;
import jakarta.persistence.OneToMany;
import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
import static org.junit.jupiter.api.Assertions.assertTrue;
@TestForIssue(jiraKey = "HHH-16334")
@DomainModel(
annotatedClasses = {
EagerOneToManyPersistAndLoadTest.Parent.class,
EagerOneToManyPersistAndLoadTest.Child.class
}
)
@SessionFactory
public class EagerOneToManyPersistAndLoadTest {
public static final String CHILD_NAME = "Luigi";
@AfterEach
public void tearDown(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
session.createMutationQuery( "delete from Child" ).executeUpdate();
session.createMutationQuery( "delete from Parent" ).executeUpdate();
}
);
}
@Test
public void testEmptyCollectionPersistLoad(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
List<Child> children = p.getChildren();
List<Parent> parents = session.createQuery( "from Parent", Parent.class ).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertThat( children ).isNull();
}
);
}
@Test
public void testEmptyCollectionPersistQueryJoinFetch(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
}
);
scope.inTransaction(
session -> {
Parent p = session.get( Parent.class, 1l );
List<Child> children = p.getChildren();
assertTrue( Hibernate.isInitialized( children ) );
List<Parent> parents = session.createQuery(
"select p from Parent p left join fetch p.children",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children ).isEqualTo( parents.get( 0 ).getChildren() );
assertThat( children.size() ).isEqualTo( 0 );
}
);
}
@Test
public void testEmptyCollectionPersistQuery(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
}
);
scope.inTransaction(
session -> {
Parent p = session.get( Parent.class, 1l );
List<Child> children = p.getChildren();
assertTrue( Hibernate.isInitialized( children ) );
List<Parent> parents = session.createQuery(
"select p from Parent p ",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 0 );
}
);
}
@Test
public void testCollectionPersistLoad(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent p = new Parent( 1l );
Child c = new Child( CHILD_NAME );
p.addChild( c );
session.persist( c );
session.persist( p );
List<Parent> parents = session.createQuery( "from Parent", Parent.class ).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
List<Child> children = parents.get( 0 ).getChildren();
assertThat( children.size() ).isEqualTo( 1 );
}
);
}
@Test
public void testCollectionPersistQueryJoinFetch(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent p = new Parent( 1l );
Child c = new Child( CHILD_NAME );
p.addChild( c );
session.persist( c );
session.persist( p );
}
);
scope.inTransaction(
session -> {
Parent p = session.get( Parent.class, 1l );
List<Child> children = p.getChildren();
assertTrue( Hibernate.isInitialized( p.getChildren() ) );
List<Parent> parents = session.createQuery(
"select p from Parent p join fetch p.children",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 1 );
}
);
}
@Test
public void testCollectionPersistQuery(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent p = new Parent( 1l );
Child c = new Child( CHILD_NAME );
p.addChild( c );
session.persist( c );
session.persist( p );
}
);
scope.inTransaction(
session -> {
Parent p = session.get( Parent.class, 1l );
List<Child> children = p.getChildren();
assertTrue( Hibernate.isInitialized( children ) );
List<Parent> parents = session.createQuery(
"select p from Parent p",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
Child child = children.get( 0 );
assertThat( child.getName() ).isEqualTo( CHILD_NAME );
}
);
}
@Entity(name = "Child")
public static class Child {
@Id
@GeneratedValue
private Long id;
private String name;
@ManyToOne
private Parent parent;
public Child() {
}
public Child(String name) {
this.name = name;
}
public Long getId() {
return id;
}
public String getName() {
return name;
}
public Parent getParent() {
return parent;
}
public void setParent(Parent parent) {
this.parent = parent;
}
}
@Entity(name = "Parent")
public static class Parent {
@Id
private Long id;
private String name;
@OneToMany(mappedBy = "parent", cascade = CascadeType.ALL, orphanRemoval = true, fetch = FetchType.EAGER)
private List<Child> children;
public Parent() {
}
public Parent(Long id) {
this.id = id;
}
public Long getId() {
return id;
}
public List<Child> getChildren() {
return children;
}
public void addChild(Child c) {
if ( children == null ) {
children = new ArrayList<>();
}
children.add( c );
c.setParent( this );
}
}
}

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package org.hibernate.orm.test.jpa.orphan.onetomany;
import java.util.ArrayList;
import java.util.List;
import org.hibernate.Hibernate;
import org.hibernate.annotations.Fetch;
import org.hibernate.annotations.FetchMode;
import org.hibernate.testing.TestForIssue;
import org.hibernate.testing.orm.junit.DomainModel;
import org.hibernate.testing.orm.junit.SessionFactory;
import org.hibernate.testing.orm.junit.SessionFactoryScope;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.Test;
import jakarta.persistence.CascadeType;
import jakarta.persistence.Entity;
import jakarta.persistence.FetchType;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.Id;
import jakarta.persistence.ManyToOne;
import jakarta.persistence.OneToMany;
import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
import static org.junit.jupiter.api.Assertions.assertTrue;
@TestForIssue(jiraKey = "HHH-16334")
@DomainModel(
annotatedClasses = {
EagerSubSelectOneToManyPersistAndLoad2Test.Parent.class,
EagerSubSelectOneToManyPersistAndLoad2Test.Child.class
}
)
@SessionFactory
public class EagerSubSelectOneToManyPersistAndLoad2Test {
public static final String CHILD_NAME = "Luigi";
@AfterEach
public void tearDown(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
session.createMutationQuery( "delete from Child" ).executeUpdate();
session.createMutationQuery( "delete from Parent" ).executeUpdate();
}
);
}
@Test
public void testEmptyCollectionPersistQueryJoinFetch(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
}
);
scope.inTransaction(
session -> {
Parent p = session.getReference( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p left join fetch p.children",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
List<Child> children = p.getChildren();
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children ).isEqualTo( parents.get( 0 ).getChildren() );
assertThat( children.size() ).isEqualTo( 0 );
}
);
}
@Test
public void testEmptyCollectionPersistQuery(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
}
);
scope.inTransaction(
session -> {
Parent p = session.getReference( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p ",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
List<Child> children = p.getChildren();
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 0 );
}
);
}
@Test
public void testCollectionPersistQueryJoinFetch(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent p = new Parent( 1l );
Child c = new Child( CHILD_NAME );
p.addChild( c );
session.persist( c );
session.persist( p );
}
);
scope.inTransaction(
session -> {
Parent p = session.getReference( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p join fetch p.children",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
List<Child> children = p.getChildren();
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 1 );
}
);
}
@Test
public void testCollectionPersistQuery(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent p = new Parent( 1l );
Child c = new Child( CHILD_NAME );
p.addChild( c );
session.persist( c );
session.persist( p );
}
);
scope.inTransaction(
session -> {
Parent p = session.getReference( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
List<Child> children = p.getChildren();
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 1 );
Child child = children.get( 0 );
assertThat( child.getName() ).isEqualTo( CHILD_NAME );
}
);
}
@Entity(name = "Child")
public static class Child {
@Id
@GeneratedValue
private Long id;
private String name;
@ManyToOne
private Parent parent;
public Child() {
}
public Child(String name) {
this.name = name;
}
public Long getId() {
return id;
}
public String getName() {
return name;
}
public Parent getParent() {
return parent;
}
public void setParent(Parent parent) {
this.parent = parent;
}
}
@Entity(name = "Parent")
public static class Parent {
@Id
private Long id;
private String name;
@OneToMany(mappedBy = "parent", cascade = CascadeType.ALL, orphanRemoval = true, fetch = FetchType.EAGER)
@Fetch(FetchMode.SUBSELECT)
private List<Child> children;
public Parent() {
}
public Parent(Long id) {
this.id = id;
}
public Long getId() {
return id;
}
public List<Child> getChildren() {
return children;
}
public void addChild(Child c) {
if ( children == null ) {
children = new ArrayList<>();
}
children.add( c );
c.setParent( this );
}
}
}

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package org.hibernate.orm.test.jpa.orphan.onetomany;
import java.util.ArrayList;
import java.util.List;
import org.hibernate.Hibernate;
import org.hibernate.annotations.Fetch;
import org.hibernate.annotations.FetchMode;
import org.hibernate.testing.TestForIssue;
import org.hibernate.testing.orm.junit.DomainModel;
import org.hibernate.testing.orm.junit.SessionFactory;
import org.hibernate.testing.orm.junit.SessionFactoryScope;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.Test;
import jakarta.persistence.CascadeType;
import jakarta.persistence.Entity;
import jakarta.persistence.FetchType;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.Id;
import jakarta.persistence.ManyToOne;
import jakarta.persistence.OneToMany;
import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
import static org.junit.jupiter.api.Assertions.assertTrue;
@TestForIssue(jiraKey = "HHH-16334")
@DomainModel(
annotatedClasses = {
EagerSubSelectOneToManyPersistAndLoadTest.Parent.class,
EagerSubSelectOneToManyPersistAndLoadTest.Child.class
}
)
@SessionFactory
public class EagerSubSelectOneToManyPersistAndLoadTest {
public static final String CHILD_NAME = "Luigi";
@AfterEach
public void tearDown(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
session.createMutationQuery( "delete from Child" ).executeUpdate();
session.createMutationQuery( "delete from Parent" ).executeUpdate();
}
);
}
@Test
public void testEmptyCollectionPersistLoad(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
List<Child> children = p.getChildren();
List<Parent> parents = session.createQuery( "from Parent", Parent.class ).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
Parent parent = parents.get( 0 );
assertThat( parent ).isEqualTo( p );
assertThat( parent.getChildren() ).isEqualTo( children );
assertThat( children ).isNull();
}
);
}
@Test
public void testEmptyCollectionPersistQueryJoinFetch(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
}
);
scope.inTransaction(
session -> {
Parent p = session.get( Parent.class, 1l );
List<Child> children = p.getChildren();
assertTrue( Hibernate.isInitialized( children ) );
List<Parent> parents = session.createQuery(
"select p from Parent p left join fetch p.children",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children ).isEqualTo( parents.get( 0 ).getChildren() );
assertThat( children.size() ).isEqualTo( 0 );
}
);
}
@Test
public void testEmptyCollectionPersistQuery(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
}
);
scope.inTransaction(
session -> {
Parent p = session.get( Parent.class, 1l );
List<Child> children = p.getChildren();
assertTrue( Hibernate.isInitialized( children ) );
List<Parent> parents = session.createQuery(
"select p from Parent p ",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 0 );
}
);
}
@Test
public void testCollectionPersistLoad(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent p = new Parent( 1l );
Child c = new Child( CHILD_NAME );
p.addChild( c );
session.persist( c );
session.persist( p );
List<Parent> parents = session.createQuery( "from Parent", Parent.class ).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
List<Child> children = parents.get( 0 ).getChildren();
assertThat( children.size() ).isEqualTo( 1 );
}
);
}
@Test
public void testCollectionPersistQueryJoinFetch(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent p = new Parent( 1l );
Child c = new Child( CHILD_NAME );
p.addChild( c );
session.persist( c );
session.persist( p );
}
);
scope.inTransaction(
session -> {
Parent p = session.get( Parent.class, 1l );
List<Child> children = p.getChildren();
assertTrue( Hibernate.isInitialized( p.getChildren() ) );
List<Parent> parents = session.createQuery(
"select p from Parent p join fetch p.children",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 1 );
}
);
}
@Test
public void testCollectionPersistQuery(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent p = new Parent( 1l );
Child c = new Child( CHILD_NAME );
p.addChild( c );
session.persist( c );
session.persist( p );
}
);
scope.inTransaction(
session -> {
Parent p = session.get( Parent.class, 1l );
List<Child> children = p.getChildren();
assertTrue( Hibernate.isInitialized( children ) );
List<Parent> parents = session.createQuery(
"select p from Parent p",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
Child child = children.get( 0 );
assertThat( child.getName() ).isEqualTo( CHILD_NAME );
}
);
}
@Entity(name = "Child")
public static class Child {
@Id
@GeneratedValue
private Long id;
private String name;
@ManyToOne
private Parent parent;
public Child() {
}
public Child(String name) {
this.name = name;
}
public Long getId() {
return id;
}
public String getName() {
return name;
}
public Parent getParent() {
return parent;
}
public void setParent(Parent parent) {
this.parent = parent;
}
}
@Entity(name = "Parent")
public static class Parent {
@Id
private Long id;
private String name;
@OneToMany(mappedBy = "parent", cascade = CascadeType.ALL, orphanRemoval = true, fetch = FetchType.EAGER)
@Fetch(FetchMode.SUBSELECT)
private List<Child> children;
public Parent() {
}
public Parent(Long id) {
this.id = id;
}
public Long getId() {
return id;
}
public List<Child> getChildren() {
return children;
}
public void addChild(Child c) {
if ( children == null ) {
children = new ArrayList<>();
}
children.add( c );
c.setParent( this );
}
}
}

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package org.hibernate.orm.test.jpa.orphan.onetomany;
import java.util.ArrayList;
import java.util.List;
import org.hibernate.Hibernate;
import org.hibernate.testing.TestForIssue;
import org.hibernate.testing.orm.junit.DomainModel;
import org.hibernate.testing.orm.junit.SessionFactory;
import org.hibernate.testing.orm.junit.SessionFactoryScope;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.Test;
import jakarta.persistence.CascadeType;
import jakarta.persistence.Entity;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.Id;
import jakarta.persistence.ManyToOne;
import jakarta.persistence.OneToMany;
import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
@TestForIssue(jiraKey = "HHH-16334")
@DomainModel(
annotatedClasses = {
LazyOneToManyPersistAndLoad2Test.Parent.class,
LazyOneToManyPersistAndLoad2Test.Child.class
}
)
@SessionFactory
public class LazyOneToManyPersistAndLoad2Test {
public static final String CHILD_NAME = "Luigi";
@AfterEach
public void tearDown(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
session.createMutationQuery( "delete from Child" ).executeUpdate();
session.createMutationQuery( "delete from Parent" ).executeUpdate();
}
);
}
@Test
public void testEmptyCollectionPersistQueryJoinFetch(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
}
);
scope.inTransaction(
session -> {
Parent p = session.getReference( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p left join fetch p.children",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
List<Child> children = p.getChildren();
assertThat( children ).isEqualTo( parents.get( 0 ).getChildren() );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 0 );
}
);
}
@Test
public void testEmptyCollectionPersistQuery(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
}
);
scope.inTransaction(
session -> {
Parent p = session.getReference( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p ",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
List<Child> children = p.getChildren();
assertThat( children ).isEqualTo( parents.get( 0 ).getChildren() );
assertFalse( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 0 );
}
);
}
@Test
public void testCollectionPersistQueryJoinFetch(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent p = new Parent( 1l );
Child c = new Child( CHILD_NAME );
p.addChild( c );
session.persist( c );
session.persist( p );
}
);
scope.inTransaction(
session -> {
Parent p = session.getReference( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p join fetch p.children",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
List<Child> children = p.getChildren();
assertThat( children ).isEqualTo( parents.get( 0 ).getChildren() );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 1 );
}
);
}
@Test
public void testCollectionPersistQuery(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent p = new Parent( 1l );
Child c = new Child( CHILD_NAME );
p.addChild( c );
session.persist( c );
session.persist( p );
}
);
scope.inTransaction(
session -> {
Parent p = session.getReference( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
List<Child> children = p.getChildren();
assertThat( children ).isEqualTo( parents.get( 0 ).getChildren() );
assertFalse( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 1 );
Child child = children.get( 0 );
assertThat( child.getName() ).isEqualTo( CHILD_NAME );
}
);
}
@Entity(name = "Child")
public static class Child {
@Id
@GeneratedValue
private Long id;
private String name;
@ManyToOne
private Parent parent;
public Child() {
}
public Child(String name) {
this.name = name;
}
public Long getId() {
return id;
}
public String getName() {
return name;
}
public Parent getParent() {
return parent;
}
public void setParent(Parent parent) {
this.parent = parent;
}
}
@Entity(name = "Parent")
public static class Parent {
@Id
private Long id;
private String name;
@OneToMany(mappedBy = "parent", cascade = CascadeType.ALL, orphanRemoval = true)
private List<Child> children;
public Parent() {
}
public Parent(Long id) {
this.id = id;
}
public Long getId() {
return id;
}
public List<Child> getChildren() {
return children;
}
public void addChild(Child c) {
if ( children == null ) {
children = new ArrayList<>();
}
children.add( c );
c.setParent( this );
}
}
}

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package org.hibernate.orm.test.jpa.orphan.onetomany;
import java.util.ArrayList;
import java.util.List;
import org.hibernate.Hibernate;
import org.hibernate.testing.TestForIssue;
import org.hibernate.testing.orm.junit.DomainModel;
import org.hibernate.testing.orm.junit.SessionFactory;
import org.hibernate.testing.orm.junit.SessionFactoryScope;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.Test;
import jakarta.persistence.CascadeType;
import jakarta.persistence.Entity;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.Id;
import jakarta.persistence.ManyToOne;
import jakarta.persistence.OneToMany;
import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
@TestForIssue(jiraKey = "HHH-16334")
@DomainModel(
annotatedClasses = {
LazyOneToManyPersistAndLoadTest.Parent.class,
LazyOneToManyPersistAndLoadTest.Child.class
}
)
@SessionFactory
public class LazyOneToManyPersistAndLoadTest {
public static final String CHILD_NAME = "Luigi";
@AfterEach
public void tearDown(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
session.createMutationQuery( "delete from Child" ).executeUpdate();
session.createMutationQuery( "delete from Parent" ).executeUpdate();
}
);
}
@Test
public void testEmptyCollectionPersistLoad(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
List<Child> children = p.getChildren();
List<Parent> parents = session.createQuery( "from Parent", Parent.class ).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertThat( children ).isNull();
}
);
}
@Test
public void testEmptyCollectionPersistQueryJoinFetch(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
}
);
scope.inTransaction(
session -> {
Parent p = session.get( Parent.class, 1l );
assertFalse( Hibernate.isInitialized( p.getChildren() ) );
List<Parent> parents = session.createQuery(
"select p from Parent p left join fetch p.children",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
List<Child> children = p.getChildren();
assertThat( children ).isEqualTo( parents.get( 0 ).getChildren() );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 0 );
}
);
}
@Test
public void testEmptyCollectionPersistQuery(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
}
);
scope.inTransaction(
session -> {
Parent p = session.get( Parent.class, 1l );
List<Child> children = p.getChildren();
assertFalse( Hibernate.isInitialized( children ) );
List<Parent> parents = session.createQuery(
"select p from Parent p ",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertFalse( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 0 );
}
);
}
@Test
public void testCollectionPersistLoad(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent p = new Parent( 1l );
Child c = new Child( CHILD_NAME );
p.addChild( c );
session.persist( c );
session.persist( p );
List<Parent> parents = session.createQuery( "from Parent", Parent.class ).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
List<Child> children = parents.get( 0 ).getChildren();
assertThat( children.size() ).isEqualTo( 1 );
}
);
}
@Test
public void testCollectionPersistQueryJoinFetch(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent p = new Parent( 1l );
Child c = new Child( CHILD_NAME );
p.addChild( c );
session.persist( c );
session.persist( p );
}
);
scope.inTransaction(
session -> {
Parent p = session.get( Parent.class, 1l );
assertFalse( Hibernate.isInitialized( p.getChildren() ) );
List<Child> children = p.getChildren();
List<Parent> parents = session.createQuery(
"select p from Parent p join fetch p.children",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
}
);
}
@Test
public void testCollectionPersistQuery(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent p = new Parent( 1l );
Child c = new Child( CHILD_NAME );
p.addChild( c );
session.persist( c );
session.persist( p );
}
);
scope.inTransaction(
session -> {
Parent p = session.get( Parent.class, 1l );
List<Child> children = p.getChildren();
assertFalse( Hibernate.isInitialized( children ) );
List<Parent> parents = session.createQuery(
"select p from Parent p",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
assertFalse( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
Child child = children.get( 0 );
assertThat( child.getName() ).isEqualTo( CHILD_NAME );
}
);
}
@Entity(name = "Child")
public static class Child {
@Id
@GeneratedValue
private Long id;
private String name;
@ManyToOne
private Parent parent;
public Child() {
}
public Child(String name) {
this.name = name;
}
public Long getId() {
return id;
}
public String getName() {
return name;
}
public Parent getParent() {
return parent;
}
public void setParent(Parent parent) {
this.parent = parent;
}
}
@Entity(name = "Parent")
public static class Parent {
@Id
private Long id;
private String name;
@OneToMany(mappedBy = "parent", cascade = CascadeType.ALL, orphanRemoval = true)
private List<Child> children;
public Parent() {
}
public Parent(Long id) {
this.id = id;
}
public Long getId() {
return id;
}
public List<Child> getChildren() {
return children;
}
public void addChild(Child c) {
if ( children == null ) {
children = new ArrayList<>();
}
children.add( c );
c.setParent( this );
}
}
}

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package org.hibernate.orm.test.jpa.orphan.onetomany;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.hibernate.Hibernate;
import org.hibernate.engine.spi.SessionImplementor;
import org.hibernate.testing.TestForIssue;
import org.hibernate.testing.orm.junit.DomainModel;
import org.hibernate.testing.orm.junit.SessionFactory;
import org.hibernate.testing.orm.junit.SessionFactoryScope;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.Test;
import jakarta.persistence.CascadeType;
import jakarta.persistence.Entity;
import jakarta.persistence.FetchType;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.Id;
import jakarta.persistence.JoinTable;
import jakarta.persistence.OneToMany;
import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
import static org.junit.jupiter.api.Assertions.assertTrue;
@TestForIssue(jiraKey = "HHH-16334")
@DomainModel(
annotatedClasses = {
OneToManyPersistAndLoad2Test.Parent.class,
OneToManyPersistAndLoad2Test.Child.class
}
)
@SessionFactory
public class OneToManyPersistAndLoad2Test {
public static final String CHILD_NAME = "Luigi";
public static final String CHILD_NAME_2 = "Fab1";
public static final String CHILD_NAME_3 = "Fab2";
public static final String CHILD_NAME_4 = "Fab3";
public static final String CHILD_NAME_5 = "Fab4";
public static final String CHILD_NAME_6 = "Fab5";
public static final String CHILD_NAME_7 = "Fab6";
public static final String CHILD_NAME_8 = "Fab7";
public static final String CHILD_NAME_9 = "Fab8";
@AfterEach
public void tearDown(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent parent = session.get( Parent.class, 1l );
session.delete( parent );
}
);
}
@Test
public void testEmptyCollectionPersistQueryJoinFetch(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
}
);
scope.inTransaction(
session -> {
Parent p = session.getReference( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p left join fetch p.children",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
Set<Child> children = p.getChildren();
Set<Child> children2 = p.getChildren2();
Set<Child> children3 = p.getChildren3();
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertThat( parents.get( 0 ).getChildren2() ).isEqualTo( children2 );
assertThat( parents.get( 0 ).getChildren3() ).isEqualTo( children3 );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 0 );
assertThat( children2.size() ).isEqualTo( 0 );
assertThat( children3.size() ).isEqualTo( 0 );
}
);
}
@Test
public void testEmptyCollectionPersistQuery(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
}
);
scope.inTransaction(
session -> {
Parent p = session.getReference( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p ",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
Set<Child> children = p.getChildren();
Set<Child> children2 = p.getChildren2();
Set<Child> children3 = p.getChildren3();
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertThat( parents.get( 0 ).getChildren2() ).isEqualTo( children2 );
assertThat( parents.get( 0 ).getChildren3() ).isEqualTo( children3 );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 0 );
assertThat( children2.size() ).isEqualTo( 0 );
assertThat( children3.size() ).isEqualTo( 0 );
}
);
}
@Test
public void testCollectionPersistQueryJoinFetch(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
populateParentWithChildren( session );
}
);
scope.inTransaction(
session -> {
Parent p = session.getReference( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select distinct p from Parent p join fetch p.children",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
Set<Child> children = p.getChildren();
Set<Child> children2 = p.getChildren2();
Set<Child> children3 = p.getChildren3();
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertThat( parents.get( 0 ).getChildren2() ).isEqualTo( children2 );
assertThat( parents.get( 0 ).getChildren3() ).isEqualTo( children3 );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 2 );
assertThat( children2.size() ).isEqualTo( 3 );
assertThat( children3.size() ).isEqualTo( 4 );
}
);
}
@Test
public void testCollectionPersistQuery(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
populateParentWithChildren( session );
}
);
scope.inTransaction(
session -> {
Parent p = session.getReference( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
Set<Child> children = p.getChildren();
Set<Child> children2 = p.getChildren2();
Set<Child> children3 = p.getChildren3();
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertThat( parents.get( 0 ).getChildren2() ).isEqualTo( children2 );
assertThat( parents.get( 0 ).getChildren3() ).isEqualTo( children3 );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 2 );
assertThat( children2.size() ).isEqualTo( 3 );
assertThat( children3.size() ).isEqualTo( 4 );
}
);
}
@Entity(name = "Child")
public static class Child {
@Id
@GeneratedValue
private Long id;
private String name;
public Child() {
}
public Child(String name) {
this.name = name;
}
public Long getId() {
return id;
}
public String getName() {
return name;
}
}
@Entity(name = "Parent")
public static class Parent {
@Id
private Long id;
private String name;
@OneToMany(cascade = CascadeType.ALL, orphanRemoval = true, fetch = FetchType.EAGER)
private Set<Child> children;
@OneToMany(cascade = CascadeType.ALL, orphanRemoval = true, fetch = FetchType.EAGER)
@JoinTable(name = "Parent_child2")
private Set<Child> children2;
@OneToMany(cascade = CascadeType.ALL, orphanRemoval = true)
@JoinTable(name = "Parent_child3")
private Set<Child> children3;
public Parent() {
}
public Parent(Long id) {
this.id = id;
}
public Long getId() {
return id;
}
public Set<Child> getChildren() {
return children;
}
public Set<Child> getChildren2() {
return children2;
}
public Set<Child> getChildren3() {
return children3;
}
public void addChild(Child c) {
if ( children == null ) {
children = new HashSet<>();
}
children.add( c );
}
public void addChild2(Child c) {
if ( children2 == null ) {
children2 = new HashSet<>();
}
children2.add( c );
}
public void addChild3(Child c) {
if ( children3 == null ) {
children3 = new HashSet<>();
}
children3.add( c );
}
}
private static void populateParentWithChildren(SessionImplementor session) {
Parent p = new Parent( 1l );
Child c = new Child( CHILD_NAME );
p.addChild( c );
Child c2 = new Child( CHILD_NAME_2 );
p.addChild( c2 );
Child c3 = new Child( CHILD_NAME_3 );
p.addChild2( c3 );
Child c4 = new Child( CHILD_NAME_4 );
p.addChild2( c4 );
Child c5 = new Child( CHILD_NAME_5 );
p.addChild2( c5 );
Child c6 = new Child( CHILD_NAME_6 );
p.addChild3( c6 );
Child c7 = new Child( CHILD_NAME_7 );
p.addChild3( c7 );
Child c8 = new Child( CHILD_NAME_8 );
p.addChild3( c8 );
Child c9 = new Child( CHILD_NAME_9 );
p.addChild3( c9 );
session.persist( c );
session.persist( c2 );
session.persist( c3 );
session.persist( c4 );
session.persist( c5 );
session.persist( c6 );
session.persist( c7 );
session.persist( c8 );
session.persist( c9 );
session.persist( p );
}
}

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package org.hibernate.orm.test.jpa.orphan.onetomany;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.hibernate.Hibernate;
import org.hibernate.engine.spi.SessionImplementor;
import org.hibernate.testing.TestForIssue;
import org.hibernate.testing.orm.junit.DomainModel;
import org.hibernate.testing.orm.junit.SessionFactory;
import org.hibernate.testing.orm.junit.SessionFactoryScope;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.Test;
import jakarta.persistence.CascadeType;
import jakarta.persistence.Entity;
import jakarta.persistence.FetchType;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.Id;
import jakarta.persistence.JoinTable;
import jakarta.persistence.OneToMany;
import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
import static org.junit.jupiter.api.Assertions.assertTrue;
@TestForIssue(jiraKey = "HHH-16334")
@DomainModel(
annotatedClasses = {
OneToManyPersistAndLoadTest.Parent.class,
OneToManyPersistAndLoadTest.Child.class
}
)
@SessionFactory
public class OneToManyPersistAndLoadTest {
public static final String CHILD_NAME = "Luigi";
public static final String CHILD_NAME_2 = "Fab1";
public static final String CHILD_NAME_3 = "Fab2";
public static final String CHILD_NAME_4 = "Fab3";
public static final String CHILD_NAME_5 = "Fab4";
public static final String CHILD_NAME_6 = "Fab5";
public static final String CHILD_NAME_7 = "Fab6";
public static final String CHILD_NAME_8 = "Fab7";
public static final String CHILD_NAME_9 = "Fab8";
@AfterEach
public void tearDown(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent parent = session.get( Parent.class, 1l );
session.delete( parent );
}
);
}
@Test
public void testEmptyCollectionPersistQueryJoinFetch(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
}
);
scope.inTransaction(
session -> {
Parent p = session.get( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p left join fetch p.children",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
Set<Child> children = p.getChildren();
Set<Child> children2 = p.getChildren2();
Set<Child> children3 = p.getChildren3();
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertThat( parents.get( 0 ).getChildren2() ).isEqualTo( children2 );
assertThat( parents.get( 0 ).getChildren3() ).isEqualTo( children3 );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 0 );
assertThat( children2.size() ).isEqualTo( 0 );
assertThat( children3.size() ).isEqualTo( 0 );
}
);
}
@Test
public void testEmptyCollectionPersistQuery(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Parent p = new Parent( 1l );
session.persist( p );
}
);
scope.inTransaction(
session -> {
Parent p = session.get( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p ",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
Set<Child> children = p.getChildren();
Set<Child> children2 = p.getChildren2();
Set<Child> children3 = p.getChildren3();
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertThat( parents.get( 0 ).getChildren2() ).isEqualTo( children2 );
assertThat( parents.get( 0 ).getChildren3() ).isEqualTo( children3 );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 0 );
assertThat( children2.size() ).isEqualTo( 0 );
assertThat( children3.size() ).isEqualTo( 0 );
}
);
}
@Test
public void testCollectionPersistQueryJoinFetch(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
populateParentWithChildren( session );
}
);
scope.inTransaction(
session -> {
Parent p = session.get( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select distinct p from Parent p join fetch p.children",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
Set<Child> children = p.getChildren();
Set<Child> children2 = p.getChildren2();
Set<Child> children3 = p.getChildren3();
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertThat( parents.get( 0 ).getChildren2() ).isEqualTo( children2 );
assertThat( parents.get( 0 ).getChildren3() ).isEqualTo( children3 );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 2 );
assertThat( children2.size() ).isEqualTo( 3 );
assertThat( children3.size() ).isEqualTo( 4 );
}
);
}
@Test
public void testCollectionPersistQuery(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
populateParentWithChildren( session );
}
);
scope.inTransaction(
session -> {
Parent p = session.get( Parent.class, 1l );
List<Parent> parents = session.createQuery(
"select p from Parent p",
Parent.class
).getResultList();
assertThat( parents.size() ).isEqualTo( 1 );
assertThat( parents.get( 0 ) ).isEqualTo( p );
Set<Child> children = p.getChildren();
Set<Child> children2 = p.getChildren2();
Set<Child> children3 = p.getChildren3();
assertThat( parents.get( 0 ).getChildren() ).isEqualTo( children );
assertThat( parents.get( 0 ).getChildren2() ).isEqualTo( children2 );
assertThat( parents.get( 0 ).getChildren3() ).isEqualTo( children3 );
assertTrue( Hibernate.isInitialized( children ) );
assertThat( children.size() ).isEqualTo( 2 );
assertThat( children2.size() ).isEqualTo( 3 );
assertThat( children3.size() ).isEqualTo( 4 );
}
);
}
@Entity(name = "Child")
public static class Child {
@Id
@GeneratedValue
private Long id;
private String name;
public Child() {
}
public Child(String name) {
this.name = name;
}
public Long getId() {
return id;
}
public String getName() {
return name;
}
}
@Entity(name = "Parent")
public static class Parent {
@Id
private Long id;
private String name;
@OneToMany(cascade = CascadeType.ALL, orphanRemoval = true, fetch = FetchType.EAGER)
private Set<Child> children;
@OneToMany(cascade = CascadeType.ALL, orphanRemoval = true, fetch = FetchType.EAGER)
@JoinTable(name = "Parent_child2")
private Set<Child> children2;
@OneToMany(cascade = CascadeType.ALL, orphanRemoval = true)
@JoinTable(name = "Parent_child3")
private Set<Child> children3;
public Parent() {
}
public Parent(Long id) {
this.id = id;
}
public Long getId() {
return id;
}
public Set<Child> getChildren() {
return children;
}
public Set<Child> getChildren2() {
return children2;
}
public Set<Child> getChildren3() {
return children3;
}
public void addChild(Child c) {
if ( children == null ) {
children = new HashSet<>();
}
children.add( c );
}
public void addChild2(Child c) {
if ( children2 == null ) {
children2 = new HashSet<>();
}
children2.add( c );
}
public void addChild3(Child c) {
if ( children3 == null ) {
children3 = new HashSet<>();
}
children3.add( c );
}
}
private static void populateParentWithChildren(SessionImplementor session) {
Parent p = new Parent( 1l );
Child c = new Child( CHILD_NAME );
p.addChild( c );
Child c2 = new Child( CHILD_NAME_2 );
p.addChild( c2 );
Child c3 = new Child( CHILD_NAME_3 );
p.addChild2( c3 );
Child c4 = new Child( CHILD_NAME_4 );
p.addChild2( c4 );
Child c5 = new Child( CHILD_NAME_5 );
p.addChild2( c5 );
Child c6 = new Child( CHILD_NAME_6 );
p.addChild3( c6 );
Child c7 = new Child( CHILD_NAME_7 );
p.addChild3( c7 );
Child c8 = new Child( CHILD_NAME_8 );
p.addChild3( c8 );
Child c9 = new Child( CHILD_NAME_9 );
p.addChild3( c9 );
session.persist( c );
session.persist( c2 );
session.persist( c3 );
session.persist( c4 );
session.persist( c5 );
session.persist( c6 );
session.persist( c7 );
session.persist( c8 );
session.persist( c9 );
session.persist( p );
}
}