/*
* 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.sql.Timestamp;
import java.time.LocalDateTime;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.JoinTable;
import javax.persistence.MapKey;
import javax.persistence.MapKeyTemporal;
import javax.persistence.OneToMany;
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 UnidirectionalMapTest 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 );
LocalDateTime now = LocalDateTime.now();
person.addPhone(
new Phone( PhoneType.LAND_LINE, "028-234-9876", Timestamp.valueOf( now ) )
);
person.addPhone(
new Phone( PhoneType.MOBILE, "072-122-9876", Timestamp.valueOf( now.minusDays( 1 ) ) )
);
entityManager.persist( person );
} );
doInJPA( this::entityManagerFactory, entityManager -> {
Person person = entityManager.find( Person.class, 1L );
Map<Date, Phone> phones = person.getPhoneRegister();
Assert.assertEquals( 2, phones.size() );
} );
}
//tag::collections-map-unidirectional-example[]
public enum PhoneType {
LAND_LINE,
MOBILE
}
@Entity(name = "Person")
public static class Person {
@Id
private Long id;
@OneToMany(cascade = CascadeType.ALL, orphanRemoval = true)
@JoinTable(
name = "phone_register",
joinColumns = @JoinColumn(name = "phone_id"),
inverseJoinColumns = @JoinColumn(name = "person_id"))
@MapKey(name = "since")
@MapKeyTemporal(TemporalType.TIMESTAMP)
private Map<Date, Phone> phoneRegister = new HashMap<>();
public Person() {
}
public Person(Long id) {
this.id = id;
}
public Map<Date, Phone> getPhoneRegister() {
return phoneRegister;
}
public void addPhone(Phone phone) {
phoneRegister.put( phone.getSince(), phone );
}
}
@Entity(name = "Phone")
public static class Phone {
@Id
@GeneratedValue
private Long id;
private PhoneType type;
@Column(name = "`number`")
private String number;
private Date since;
public Phone() {
}
public Phone(PhoneType type, String number, Date since) {
this.type = type;
this.number = number;
this.since = since;
}
public PhoneType getType() {
return type;
}
public String getNumber() {
return number;
}
public Date getSince() {
return since;
}
}
//end::collections-map-unidirectional-example[]
}