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EmbeddableCollectionElementWithLazyManyToOneTest.java
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EmbeddableCollectionElementWithLazyManyToOneTest.java
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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.test.annotations.collectionelement;
import java.util.HashSet;
import java.util.Set;
import javax.persistence.CascadeType;
import javax.persistence.ElementCollection;
import javax.persistence.Embeddable;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.ManyToOne;
import org.hibernate.Hibernate;
import org.hibernate.testing.TestForIssue;
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
import org.junit.Test;
import static org.hibernate.testing.transaction.TransactionUtil.doInHibernate;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
/**
* @author Gail Badner
*/
public class EmbeddableCollectionElementWithLazyManyToOneTest extends BaseCoreFunctionalTestCase {
@Override
protected Class[] getAnnotatedClasses() {
return new Class[] {
Parent.class,
Child.class
};
}
@Test
@TestForIssue( jiraKey = "???")
public void testLazyManyToOneInEmbeddable() {
Parent p = new Parent();
p.containedChild = new ContainedChild( new Child() );
doInHibernate(
this::sessionFactory, session -> {
session.persist( p );
}
);
doInHibernate(
this::sessionFactory, session -> {
Parent pRead = session.get( Parent.class, p.id );
assertFalse( Hibernate.isInitialized( pRead.containedChild.child ) );
}
);
doInHibernate(
this::sessionFactory, session -> {
session.delete( p );
}
);
}
@Test
@TestForIssue( jiraKey = "???")
public void testLazyManyToOneInCollectionElementEmbeddable() {
Parent p = new Parent();
p.containedChildren.add( new ContainedChild( new Child() ) );
doInHibernate(
this::sessionFactory, session -> {
session.persist( p );
}
);
doInHibernate(
this::sessionFactory, session -> {
Parent pRead = session.get( Parent.class, p.id );
assertFalse( Hibernate.isInitialized( pRead.containedChildren ) );
assertEquals( 1, pRead.containedChildren.size() );
assertTrue( Hibernate.isInitialized( pRead.containedChildren ) );
assertFalse( Hibernate.isInitialized( pRead.containedChildren.iterator().next().child ) );
}
);
doInHibernate(
this::sessionFactory, session -> {
session.delete( p );
}
);
}
@Test
@TestForIssue( jiraKey = "???")
public void testLazyBoth() {
Parent p = new Parent();
ContainedChild containedChild = new ContainedChild( new Child() );
p.containedChild = containedChild;
p.containedChildren.add( containedChild );
doInHibernate(
this::sessionFactory, session -> {
session.persist( p );
}
);
doInHibernate(
this::sessionFactory, session -> {
Parent pRead = session.get( Parent.class, p.id );
assertFalse( Hibernate.isInitialized( pRead.containedChild.child ) );
assertFalse( Hibernate.isInitialized( pRead.containedChildren ) );
assertEquals( 1, pRead.containedChildren.size() );
assertTrue( Hibernate.isInitialized( pRead.containedChildren ) );
assertFalse( Hibernate.isInitialized( pRead.containedChildren.iterator().next().child ) );
}
);
doInHibernate(
this::sessionFactory, session -> {
session.delete( p );
}
);
}
@Entity(name = "Parent")
public static class Parent {
@Id
@GeneratedValue
private int id;
private ContainedChild containedChild;
@ElementCollection
private Set<ContainedChild> containedChildren = new HashSet<ContainedChild>();
}
@Entity(name = "Child")
public static class Child {
@Id
@GeneratedValue
private int id;
}
@Embeddable
public static class ContainedChild {
@ManyToOne(fetch = FetchType.LAZY, cascade = CascadeType.ALL)
private Child child;
ContainedChild() {
}
ContainedChild(Child child) {
this.child = child;
}
}
}