/* * 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.userguide.associations; import java.util.ArrayList; import java.util.List; import javax.persistence.CascadeType; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.Id; import javax.persistence.OneToMany; import org.hibernate.jpa.test.BaseEntityManagerFunctionalTestCase; import org.junit.Test; import static org.hibernate.testing.transaction.TransactionUtil.doInJPA; /** * @author Vlad Mihalcea */ public class OneToManyUnidirectionalTest extends BaseEntityManagerFunctionalTestCase { @Override protected Class<?>[] getAnnotatedClasses() { return new Class<?>[] { Person.class, Phone.class, }; } @Test public void testLifecycle() { doInJPA( this::entityManagerFactory, entityManager -> { //tag::associations-one-to-many-unidirectional-lifecycle-example[] Person person = new Person(); Phone phone1 = new Phone( "123-456-7890" ); Phone phone2 = new Phone( "321-654-0987" ); person.getPhones().add( phone1 ); person.getPhones().add( phone2 ); entityManager.persist( person ); entityManager.flush(); person.getPhones().remove( phone1 ); //end::associations-one-to-many-unidirectional-lifecycle-example[] } ); } //tag::associations-one-to-many-unidirectional-example[] @Entity(name = "Person") public static class Person { @Id @GeneratedValue private Long id; @OneToMany(cascade = CascadeType.ALL, orphanRemoval = true) private List<Phone> phones = new ArrayList<>(); public Person() { } public List<Phone> getPhones() { return phones; } } @Entity(name = "Phone") public static class Phone { @Id @GeneratedValue private Long id; @Column(name = "`number`") private String number; public Phone() { } public Phone(String number) { this.number = number; } public Long getId() { return id; } public String getNumber() { return number; } } //end::associations-one-to-many-unidirectional-example[] }