Andrea Boriero
Steve Ebersole
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/*
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* Hibernate, Relational Persistence for Idiomatic Java
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*
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* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
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* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
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*/
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/*
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* Hibernate, Relational Persistence for Idiomatic Java
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*
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* License: GNU Lesser General Public License (LGPL), version 2.1 or later
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* See the lgpl.txt file in the root directory or http://www.gnu.org/licenses/lgpl-2.1.html
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*/
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package org.hibernate.test.bytecode.enhancement.lazy.proxy;
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import java.util.ArrayList;
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import java.util.List;
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import javax.persistence.CascadeType;
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import javax.persistence.Entity;
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import javax.persistence.FetchType;
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import javax.persistence.GeneratedValue;
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import javax.persistence.GenerationType;
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import javax.persistence.Id;
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import javax.persistence.ManyToOne;
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import javax.persistence.OneToMany;
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import javax.persistence.PersistenceException;
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import javax.persistence.Table;
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import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
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import org.hibernate.bytecode.enhance.spi.interceptor.EnhancementAsProxyLazinessInterceptor;
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import org.hibernate.cfg.AvailableSettings;
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import org.hibernate.engine.spi.PersistentAttributeInterceptable;
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import org.hibernate.engine.spi.PersistentAttributeInterceptor;
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import org.hibernate.stat.Statistics;
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import org.hibernate.testing.TestForIssue;
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import org.hibernate.testing.bytecode.enhancement.BytecodeEnhancerRunner;
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import org.hibernate.testing.bytecode.enhancement.EnhancementOptions;
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import org.hibernate.testing.junit4.BaseNonConfigCoreFunctionalTestCase;
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import org.junit.After;
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import org.junit.Before;
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import org.junit.Ignore;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.hamcrest.MatcherAssert;
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import static org.hamcrest.CoreMatchers.instanceOf;
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import static org.hamcrest.CoreMatchers.notNullValue;
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import static org.hamcrest.core.Is.is;
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import static org.hibernate.testing.transaction.TransactionUtil.doInHibernate;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertThat;
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/**
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* @author Andrea Boriero
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*/
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@TestForIssue(jiraKey = "HHH-11147")
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@RunWith(BytecodeEnhancerRunner.class)
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@EnhancementOptions(lazyLoading = true)
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public class SetIdentifierOnAEnhancedProxyTest extends BaseNonConfigCoreFunctionalTestCase {
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@Override
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protected void configureStandardServiceRegistryBuilder(StandardServiceRegistryBuilder ssrb) {
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super.configureStandardServiceRegistryBuilder( ssrb );
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ssrb.applySetting( AvailableSettings.ALLOW_ENHANCEMENT_AS_PROXY, "true" );
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ssrb.applySetting( AvailableSettings.FORMAT_SQL, "false" );
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ssrb.applySetting( AvailableSettings.USE_SECOND_LEVEL_CACHE, "false" );
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ssrb.applySetting( AvailableSettings.ENABLE_LAZY_LOAD_NO_TRANS, "true" );
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ssrb.applySetting( AvailableSettings.GENERATE_STATISTICS, "true" );
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}
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private static final int CHILDREN_SIZE = 10;
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private Long lastChildID;
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@Override
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public Class<?>[] getAnnotatedClasses() {
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return new Class<?>[] { Parent.class, Child.class, Person.class };
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}
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@Test
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public void setIdTest() {
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final Statistics stats = sessionFactory().getStatistics();
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stats.clear();
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inTransaction(
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session -> {
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stats.clear();
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Child loadedChild = session.load( Child.class, lastChildID );
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final PersistentAttributeInterceptable interceptable = (PersistentAttributeInterceptable) loadedChild;
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final PersistentAttributeInterceptor interceptor = interceptable.$$_hibernate_getInterceptor();
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MatcherAssert.assertThat( interceptor, instanceOf( EnhancementAsProxyLazinessInterceptor.class ) );
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loadedChild.setId( lastChildID );
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// ^ should have triggered "base fetch group" initialization which would mean a SQL select
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assertEquals( 1, stats.getPrepareStatementCount() );
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// check that the `#setName` "persisted"
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assertThat( loadedChild.getId(), is( lastChildID ) );
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assertEquals( 1, stats.getPrepareStatementCount() );
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}
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);
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inTransaction(
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session -> {
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Child loadedChild = session.load( Child.class, lastChildID );
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assertThat( loadedChild, is( notNullValue() ) );
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}
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);
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}
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@Ignore
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@Test(expected = PersistenceException.class)
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public void updateIdTest() {
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final Statistics stats = sessionFactory().getStatistics();
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stats.clear();
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Long updatedId = new Long( lastChildID + 1 );
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inTransaction(
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session -> {
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stats.clear();
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Child loadedChild = session.load( Child.class, lastChildID );
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final PersistentAttributeInterceptable interceptable = (PersistentAttributeInterceptable) loadedChild;
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final PersistentAttributeInterceptor interceptor = interceptable.$$_hibernate_getInterceptor();
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MatcherAssert.assertThat( interceptor, instanceOf( EnhancementAsProxyLazinessInterceptor.class ) );
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loadedChild.setId( updatedId );
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// ^ should have triggered "base fetch group" initialization which would mean a SQL select
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assertEquals( 1, stats.getPrepareStatementCount() );
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// check that the `#setName` "persisted"
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assertThat( loadedChild.getId(), is( updatedId ) );
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assertEquals( 1, stats.getPrepareStatementCount() );
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}
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);
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}
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@Before
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public void prepare() {
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doInHibernate( this::sessionFactory, s -> {
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Parent parent = new Parent();
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for ( int i = 0; i < CHILDREN_SIZE; i++ ) {
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Child child = new Child();
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child.setId( new Long( i ) );
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// Association management should kick in here
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child.parent = parent;
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Person relative = new Person();
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relative.setName( "Luigi" );
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child.addRelative( relative );
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s.persist( relative );
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s.persist( child );
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lastChildID = child.id;
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}
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s.persist( parent );
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} );
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}
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@After
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public void tearDown() {
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doInHibernate( this::sessionFactory, s -> {
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s.createQuery( "delete from Child" ).executeUpdate();
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s.createQuery( "delete from Parent" ).executeUpdate();
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} );
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}
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@Entity(name = "Parent")
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@Table(name = "PARENT")
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private static class Parent {
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String name;
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public Parent() {
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}
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@Id
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@GeneratedValue(strategy = GenerationType.AUTO)
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Long id;
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@OneToMany(mappedBy = "parent", cascade = CascadeType.ALL, fetch = FetchType.LAZY)
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List<Child> children;
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void setChildren(List<Child> children) {
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this.children = children;
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}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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}
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@Entity(name = "Person")
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@Table(name = "Person")
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private static class Person {
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@Id
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@GeneratedValue(strategy = GenerationType.AUTO)
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Long id;
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String name;
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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}
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@Entity(name = "Child")
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@Table(name = "CHILD")
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private static class Child {
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@Id
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Long id;
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@ManyToOne(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
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// @LazyToOne(LazyToOneOption.NO_PROXY)
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Parent parent;
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@OneToMany
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List<Person> relatives;
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String name;
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Child() {
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}
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public Long getId() {
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return id;
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}
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public void setId(Long id) {
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this.id = id;
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}
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Child(String name) {
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this.name = name;
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}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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public Parent getParent() {
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return parent;
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}
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public void setParent(Parent parent) {
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this.parent = parent;
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}
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public List<Person> getRelatives() {
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return relatives;
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}
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public void setRelatives(List<Person> relatives) {
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this.relatives = relatives;
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}
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public void addRelative(Person person) {
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if ( this.relatives == null ) {
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this.relatives = new ArrayList<>();
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}
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this.relatives.add( person );
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}
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}
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}
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