/*
* 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.derivedidentities.bidirectional;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.IdClass;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.OneToMany;
import org.junit.After;
import org.junit.Test;
import org.hibernate.Session;
import org.hibernate.jpa.internal.PersistenceUnitUtilImpl;
import org.hibernate.testing.TestForIssue;
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
import static org.junit.Assert.assertEquals;
public class CompositeIdDerivedIdWithIdClassTest extends BaseCoreFunctionalTestCase {
@Override
protected Class<?>[] getAnnotatedClasses() {
return new Class<?>[] {
ShoppingCart.class,
LineItem.class
};
}
@After
public void cleanup() {
Session s = openSession();
s.getTransaction().begin();
s.createQuery( "delete from LineItem" ).executeUpdate();
s.createQuery( "delete from Cart" ).executeUpdate();
s.getTransaction().commit();
s.close();
}
@Test
@TestForIssue(jiraKey = "HHH-11328")
public void testMergeTransientIdManyToOne() throws Exception {
ShoppingCart transientCart = new ShoppingCart( "cart1" );
transientCart.addLineItem( new LineItem( 0, "description2", transientCart ) );
// assertion for HHH-11274 - checking for exception
final Object identifier = new PersistenceUnitUtilImpl( sessionFactory() ).getIdentifier( transientCart.getLineItems().get( 0 ) );
// merge ID with transient many-to-one
Session s = openSession();
s.getTransaction().begin();
s.merge( transientCart );
s.getTransaction().commit();
s.close();
s = openSession();
s.getTransaction().begin();
ShoppingCart updatedCart = s.get( ShoppingCart.class, "cart1" );
// assertion for HHH-11274 - checking for exception
new PersistenceUnitUtilImpl( sessionFactory() ).getIdentifier( transientCart.getLineItems().get( 0 ) );
assertEquals( 1, updatedCart.getLineItems().size() );
assertEquals( "description2", updatedCart.getLineItems().get( 0 ).getDescription() );
s.getTransaction().commit();
s.close();
}
@Test
@TestForIssue(jiraKey = "HHH-10623")
public void testMergeDetachedIdManyToOne() throws Exception {
ShoppingCart cart = new ShoppingCart("cart1");
Session s = openSession();
s.getTransaction().begin();
s.persist( cart );
s.getTransaction().commit();
s.close();
// cart is detached now
LineItem lineItem = new LineItem( 0, "description2", cart );
cart.addLineItem( lineItem );
// merge lineItem with an ID with detached many-to-one
s = openSession();
s.getTransaction().begin();
s.merge(lineItem);
s.getTransaction().commit();
s.close();
s = openSession();
s.getTransaction().begin();
ShoppingCart updatedCart = s.get( ShoppingCart.class, "cart1" );
assertEquals( 1, updatedCart.getLineItems().size() );
assertEquals("description2", updatedCart.getLineItems().get( 0 ).getDescription());
s.getTransaction().commit();
s.close();
}
@Entity(name = "Cart")
public static class ShoppingCart {
@Id
@Column(name = "id", nullable = false)
private String id;
@OneToMany(mappedBy = "cart", cascade = CascadeType.ALL, orphanRemoval = true)
private List<LineItem> lineItems = new ArrayList<>();
protected ShoppingCart() {
}
public ShoppingCart(String id) {
this.id = id;
}
public List<LineItem> getLineItems() {
return lineItems;
}
public void addLineItem(LineItem lineItem) {
lineItems.add(lineItem);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
ShoppingCart that = (ShoppingCart) o;
return Objects.equals( id, that.id );
}
@Override
public int hashCode() {
return Objects.hash(id);
}
}
@Entity(name = "LineItem")
@IdClass(LineItem.Pk.class)
public static class LineItem {
@Id
@Column(name = "item_seq_number", nullable = false)
private Integer sequenceNumber;
@Column(name = "description")
private String description;
@Id
@ManyToOne
@JoinColumn(name = "cart_id")
private ShoppingCart cart;
protected LineItem() {
}
public LineItem(Integer sequenceNumber, String description, ShoppingCart cart) {
this.sequenceNumber = sequenceNumber;
this.description = description;
this.cart = cart;
}
public Integer getSequenceNumber() {
return sequenceNumber;
}
public ShoppingCart getCart() {
return cart;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof LineItem)) return false;
LineItem lineItem = (LineItem) o;
return Objects.equals(getSequenceNumber(), lineItem.getSequenceNumber()) &&
Objects.equals(getCart(), lineItem.getCart());
}
@Override
public int hashCode() {
return Objects.hash( getSequenceNumber(), getCart() );
}
public String getDescription() {
return description;
}
public static class Pk implements Serializable {
public Integer sequenceNumber;
public String cart;
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof Pk)) return false;
Pk pk = (Pk) o;
return Objects.equals(sequenceNumber, pk.sequenceNumber) &&
Objects.equals(cart, pk.cart);
}
@Override
public int hashCode() {
return Objects.hash(sequenceNumber, cart);
}
}
}
}