HHH-9108 - Added test case.
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Chris Cranford
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1d41a3f761
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61ce4b86ff
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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.envers.test.integration.components;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import javax.persistence.CascadeType;
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import javax.persistence.Column;
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import javax.persistence.Embeddable;
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import javax.persistence.Embedded;
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import javax.persistence.Entity;
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import javax.persistence.FetchType;
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import javax.persistence.ForeignKey;
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import javax.persistence.GeneratedValue;
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import javax.persistence.Id;
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import javax.persistence.JoinColumn;
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import javax.persistence.ManyToOne;
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import javax.persistence.OneToMany;
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import javax.persistence.OrderColumn;
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import javax.persistence.Table;
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import org.hibernate.envers.AuditMappedBy;
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import org.hibernate.envers.Audited;
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import org.hibernate.envers.test.BaseEnversJPAFunctionalTestCase;
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import org.hibernate.envers.test.Priority;
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import org.hibernate.testing.TestForIssue;
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import org.hibernate.testing.transaction.TransactionUtil;
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import org.junit.Test;
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import static org.junit.Assert.assertEquals;
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/**
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* @author Chris Cranford
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*/
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@TestForIssue(jiraKey = "HHH-9108")
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public class EmbeddableWithCollectionTest extends BaseEnversJPAFunctionalTestCase {
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private Long headerId;
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@Override
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protected Class<?>[] getAnnotatedClasses() {
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return new Class<?>[] { Header.class, Item.class };
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}
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@Test
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@Priority(10)
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public void initData() {
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// Revision 1
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headerId = TransactionUtil.doInJPA( this::entityManagerFactory, entityManager -> {
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Header h1 = new Header( "h1" );
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h1.addItem( new Item( "h1-item0", h1 ) );
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h1.addItem( new Item( "h1-item1", h1 ) );
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entityManager.persist( h1 );
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return h1.getId();
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} );
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// Revision 2
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TransactionUtil.doInJPA( this::entityManagerFactory, entityManager -> {
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final Header header = entityManager.find( Header.class, headerId );
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header.addItem( new Item( "h1-item2", header ) );
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entityManager.merge( header );
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} );
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// Revision 3
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TransactionUtil.doInJPA( this::entityManagerFactory, entityManager -> {
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final Header header = entityManager.find( Header.class, headerId );
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header.removeItem( header.getEmbeddableWithCollection().getItems().get( 0 ) );
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entityManager.merge( header );
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} );
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// Revision 4
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TransactionUtil.doInJPA( this::entityManagerFactory, entityManager -> {
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final Header header = entityManager.find( Header.class, headerId );
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header.setEmbeddableWithCollection( null );
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entityManager.merge( header );
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} );
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}
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@Test
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public void testRevisionCounts() {
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assertEquals( Arrays.asList( 1, 2, 3, 4 ), getAuditReader().getRevisions( Header.class, headerId ) );
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}
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@Test
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public void testRevisionHistory() {
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final Header rev1 = getAuditReader().find( Header.class, headerId, 1 );
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assertEquals( 2, rev1.getEmbeddableWithCollection().getItems().size() );
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assertEquals( "h1-item0", rev1.getEmbeddableWithCollection().getItems().get( 0 ).getName() );
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assertEquals( "h1-item1", rev1.getEmbeddableWithCollection().getItems().get( 1 ).getName() );
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final Header rev2 = getAuditReader().find( Header.class, headerId, 2 );
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assertEquals( 3, rev2.getEmbeddableWithCollection().getItems().size() );
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assertEquals( "h1-item0", rev2.getEmbeddableWithCollection().getItems().get( 0 ).getName() );
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assertEquals( "h1-item1", rev2.getEmbeddableWithCollection().getItems().get( 1 ).getName() );
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assertEquals( "h1-item2", rev2.getEmbeddableWithCollection().getItems().get( 2 ).getName() );
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final Header rev3 = getAuditReader().find( Header.class, headerId, 3 );
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assertEquals( 2, rev3.getEmbeddableWithCollection().getItems().size() );
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assertEquals( "h1-item1", rev3.getEmbeddableWithCollection().getItems().get( 0 ).getName() );
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assertEquals( "h1-item2", rev3.getEmbeddableWithCollection().getItems().get( 1 ).getName() );
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final Header rev4 = getAuditReader().find( Header.class, headerId, 4 );
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assertEquals( 0, rev4.getEmbeddableWithCollection().getItems().size() );
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}
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@Entity(name = "Header")
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@Table(name = "ENVERS_HEADER")
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@Audited
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public static class Header {
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private Long id;
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private String name;
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private EmbeddableWithCollection embeddableWithCollection;
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Header() {
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}
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Header(String name) {
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this.name = name;
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}
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Header(Long id, String name) {
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this( name );
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this.id = id;
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}
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@Id
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@GeneratedValue
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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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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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@Embedded
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public EmbeddableWithCollection getEmbeddableWithCollection() {
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return embeddableWithCollection;
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}
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public void setEmbeddableWithCollection(EmbeddableWithCollection embeddableWithCollection) {
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if ( embeddableWithCollection != null ) {
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this.embeddableWithCollection = embeddableWithCollection;
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}
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else if ( this.embeddableWithCollection != null ) {
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this.embeddableWithCollection.getItems().clear();
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}
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}
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public void addItem(Item item) {
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if ( this.embeddableWithCollection == null ) {
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this.embeddableWithCollection = new EmbeddableWithCollection();
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}
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this.embeddableWithCollection.addItem( item );
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}
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public void removeItem(Item item) {
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if ( this.embeddableWithCollection != null ) {
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this.embeddableWithCollection.removeItem( item );
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}
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}
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}
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@Entity(name = "Item")
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@Table(name = "ENVERS_ITEM")
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@Audited
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public static class Item {
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private Long id;
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private String name;
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private Header header;
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private Integer position;
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Item() {
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}
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Item(String name, Header header) {
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this.name = name;
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this.header = header;
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}
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Item(Long id, String name, Header header) {
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this( name, header );
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this.id = id;
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}
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@Id
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@GeneratedValue
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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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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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@ManyToOne
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@JoinColumn(name = "C_HDR", insertable = false, updatable = false, nullable = false)
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public Header getHeader() {
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return header;
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}
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public void setHeader(Header header) {
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this.header = header;
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}
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@Column(name = "C_POSITION", insertable = false, updatable = false)
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public Integer getPosition() {
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return position;
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}
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public void setPosition(Integer position) {
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this.position = position;
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}
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}
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@Embeddable
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@Audited
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public static class EmbeddableWithCollection {
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private List<Item> items;
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@OneToMany(fetch = FetchType.EAGER, cascade = CascadeType.ALL, orphanRemoval=true)
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@JoinColumn(name = "C_HDR", foreignKey = @ForeignKey(name = "ENVERS_ITEM_FK_ENVERS_HEADER"), nullable = false)
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@OrderColumn(name = "C_POSITION", nullable = false)
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@AuditMappedBy(mappedBy = "header", positionMappedBy = "position")
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public List<Item> getItems() {
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return items;
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}
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public void setItems(List<Item> items) {
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this.items = items;
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}
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public void addItem(Item item) {
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if ( this.items == null ) {
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this.items = new ArrayList<Item>();
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}
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this.items.add( item );
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}
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public void removeItem(Item item) {
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if ( this.items != null ) {
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this.items.remove( item );
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}
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}
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}
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}
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