/*
* 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.cascade;
import java.util.ArrayList;
import java.util.List;
import javax.persistence.CascadeType;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.ManyToOne;
import javax.persistence.OneToMany;
import org.junit.Test;
import org.hibernate.Hibernate;
import org.hibernate.Session;
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
public class MergeTest extends BaseCoreFunctionalTestCase {
@Test
public void testMergeDetachedEntityWithNewOneToManyElements() {
Order order = new Order();
Session s = openSession();
s.getTransaction().begin();
s.persist( order );
s.getTransaction().commit();
s.close();
Item item1 = new Item();
item1.name = "i1";
Item item2 = new Item();
item2.name = "i2";
order.addItem( item1 );
order.addItem( item2 );
s = openSession();
s.getTransaction().begin();
order = (Order) s.merge( order );
s.flush();
s.getTransaction().commit();
s.close();
s = openSession();
s.getTransaction().begin();
order = s.get( Order.class, order.id );
assertEquals( 2, order.items.size() );
s.delete( order );
s.getTransaction().commit();
s.close();
}
@Test
public void testMergeEntityWithNewOneToManyElements() {
Order order = new Order();
Session s = openSession();
s.getTransaction().begin();
s.persist( order );
s.getTransaction().commit();
s.close();
s = openSession();
s.getTransaction().begin();
order = s.get( Order.class, order.id );
Item item1 = new Item();
item1.name = "i1";
Item item2 = new Item();
item2.name = "i2";
order.addItem( item1 );
order.addItem( item2 );
assertFalse( Hibernate.isInitialized( order.items ) );
order = (Order) s.merge( order );
//s.flush();
s.getTransaction().commit();
s.close();
s = openSession();
s.getTransaction().begin();
order = s.get( Order.class, order.id );
assertEquals( 2, order.items.size() );
s.delete( order );
s.getTransaction().commit();
s.close();
}
protected Class[] getAnnotatedClasses() {
return new Class[] {
Order.class,
Item.class
};
}
@Entity
private static class Order {
@Id
@GeneratedValue
private Long id;
@OneToMany(cascade = CascadeType.ALL, mappedBy = "order", orphanRemoval = true)
private List<Item> items = new ArrayList<Item>();
public Order() {
}
public void addItem(Item item) {
items.add( item );
item.order = this;
}
}
@Entity
private static class Item {
@Id
@GeneratedValue
private Long id;
private String name;
@ManyToOne
private Order order;
}
}