/* * 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.collections; import java.util.Date; import java.util.HashMap; import java.util.Map; import javax.persistence.CollectionTable; import javax.persistence.Column; import javax.persistence.ElementCollection; import javax.persistence.Embeddable; import javax.persistence.Entity; import javax.persistence.Id; import javax.persistence.MapKeyJoinColumn; import javax.persistence.Temporal; import javax.persistence.TemporalType; import org.hibernate.jpa.test.BaseEntityManagerFunctionalTestCase; import org.junit.Assert; import org.junit.Test; import static org.hibernate.testing.transaction.TransactionUtil.doInJPA; /** * @author Vlad Mihalcea */ public class ElementCollectionMapTest extends BaseEntityManagerFunctionalTestCase { @Override protected Class<?>[] getAnnotatedClasses() { return new Class<?>[] { Person.class, Phone.class, }; } @Test public void testLifecycle() { doInJPA( this::entityManagerFactory, entityManager -> { Person person = new Person( 1L ); //tag::collections-map-value-type-entity-key-add-example[] person.getPhoneRegister().put( new Phone( PhoneType.LAND_LINE, "028-234-9876" ), new Date() ); person.getPhoneRegister().put( new Phone( PhoneType.MOBILE, "072-122-9876" ), new Date() ); //end::collections-map-value-type-entity-key-add-example[] entityManager.persist( person ); } ); doInJPA( this::entityManagerFactory, entityManager -> { Person person = entityManager.find( Person.class, 1L ); Map<Phone, Date> phones = person.getPhoneRegister(); Assert.assertEquals( 2, phones.size() ); } ); } //tag::collections-map-value-type-entity-key-example[] public enum PhoneType { LAND_LINE, MOBILE } @Entity(name = "Person") public static class Person { @Id private Long id; @Temporal(TemporalType.TIMESTAMP) @ElementCollection @CollectionTable(name = "phone_register") @Column(name = "since") @MapKeyJoinColumn(name = "phone_id", referencedColumnName = "id") private Map<Phone, Date> phoneRegister = new HashMap<>(); public Person() { } public Person(Long id) { this.id = id; } public Map<Phone, Date> getPhoneRegister() { return phoneRegister; } } @Embeddable public static class Phone { private PhoneType type; @Column(name = "`number`") private String number; public Phone() { } public Phone(PhoneType type, String number) { this.type = type; this.number = number; } public PhoneType getType() { return type; } public String getNumber() { return number; } } //end::collections-map-value-type-entity-key-example[] }