HHH-12965 Avoid creating foreign keys between audit and main tables
* Added test case
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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.manytoone.foreignkey;
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import java.time.LocalDate;
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import java.util.ArrayList;
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import org.hibernate.envers.test.BaseEnversJPAFunctionalTestCase;
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import org.junit.Test;
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import org.hibernate.testing.TestForIssue;
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import static org.hibernate.testing.transaction.TransactionUtil.doInJPA;
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/**
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* Tests that no foreign key should be generated from audit schema to main schema.
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*
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* @author Chris Cranford
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*/
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@TestForIssue(jiraKey = "HHH-12965")
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public class ForeignKeyExclusionTest extends BaseEnversJPAFunctionalTestCase {
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private RootLayer rootLayer;
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@Override
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protected Class<?>[] getAnnotatedClasses() {
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return new Class<?>[] { RootLayer.class, MiddleLayer.class, LeafLayer.class };
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}
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@Test
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public void testRemovingAuditedEntityWithIdClassAndManyToOneForeignKeyConstraint() {
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// Revision 1 - Add Root/Middle/Leaf layers
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this.rootLayer = doInJPA( this::entityManagerFactory, entityManager -> {
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final RootLayer rootLayer = new RootLayer();
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rootLayer.setMiddleLayers( new ArrayList<>() );
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MiddleLayer middleLayer = new MiddleLayer();
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rootLayer.getMiddleLayers().add( middleLayer );
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middleLayer.setRootLayer( rootLayer );
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middleLayer.setValidFrom( LocalDate.of( 2019, 3, 19 ) );
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middleLayer.setLeafLayers( new ArrayList<>() );
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LeafLayer leafLayer = new LeafLayer();
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leafLayer.setMiddleLayer( middleLayer );
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middleLayer.getLeafLayers().add( leafLayer );
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entityManager.persist( rootLayer );
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return rootLayer;
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} );
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// Revision 2 - Delete Root/Middle/Leaf layers
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// This causes FK violation
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doInJPA( this::entityManagerFactory, entityManager -> {
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final RootLayer rootLayer = entityManager.find( RootLayer.class, this.rootLayer.getId() );
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entityManager.remove( rootLayer );
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} );
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}
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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.envers.test.integration.manytoone.foreignkey;
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import javax.persistence.Entity;
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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.JoinColumn;
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import javax.persistence.JoinColumns;
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import javax.persistence.ManyToOne;
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import org.hibernate.envers.Audited;
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/**
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* @author Chris Cranford
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*/
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@Entity(name = "LeafLayer")
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@Audited
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public class LeafLayer {
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@Id
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@GeneratedValue(strategy = GenerationType.AUTO)
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private Long id;
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@ManyToOne(optional = false)
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@JoinColumns({
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@JoinColumn(name = "middle_layer_valid_from_fk", referencedColumnName = "valid_from"),
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@JoinColumn(name = "middle_layer_root_layer_fk", referencedColumnName = "root_layer_fk") })
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private MiddleLayer middleLayer;
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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 MiddleLayer getMiddleLayer() {
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return middleLayer;
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}
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public void setMiddleLayer(MiddleLayer middleLayer) {
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this.middleLayer = middleLayer;
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}
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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.envers.test.integration.manytoone.foreignkey;
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import java.time.LocalDate;
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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.Entity;
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import javax.persistence.Id;
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import javax.persistence.IdClass;
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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 org.hibernate.envers.Audited;
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/**
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* @author Chris Cranford
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*/
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@Audited
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@Entity
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@IdClass(MiddleLayerPK.class)
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public class MiddleLayer {
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@Id
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@Column(name = "valid_from", nullable = false)
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private LocalDate validFrom;
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@Id
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@ManyToOne
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@JoinColumn(name = "root_layer_fk")
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private RootLayer rootLayer;
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@OneToMany(mappedBy = "middleLayer", cascade = CascadeType.ALL, orphanRemoval = true)
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private List<LeafLayer> leafLayers;
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public LocalDate getValidFrom() {
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return validFrom;
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}
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public void setValidFrom(LocalDate validFrom) {
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this.validFrom = validFrom;
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}
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public RootLayer getRootLayer() {
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return rootLayer;
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}
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public void setRootLayer(RootLayer rootLayer) {
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this.rootLayer = rootLayer;
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}
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public List<LeafLayer> getLeafLayers() {
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return leafLayers;
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}
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public void setLeafLayers(List<LeafLayer> leafLayers) {
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this.leafLayers = leafLayers;
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}
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}
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@ -0,0 +1,53 @@
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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.manytoone.foreignkey;
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import java.io.Serializable;
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import java.time.LocalDate;
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import java.util.Objects;
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/**
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* @author Chris Cranford
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*/
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public class MiddleLayerPK implements Serializable {
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private Long rootLayer;
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private LocalDate validFrom;
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public Long getRootLayer() {
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return rootLayer;
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}
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public void setRootLayer(Long rootLayer) {
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this.rootLayer = rootLayer;
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}
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public LocalDate getValidFrom() {
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return validFrom;
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}
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public void setValidFrom(LocalDate validFrom) {
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this.validFrom = validFrom;
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}
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@Override
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public boolean equals(Object o) {
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if ( this == o ) {
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return true;
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}
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if ( o == null || getClass() != o.getClass() ) {
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return false;
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}
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MiddleLayerPK that = (MiddleLayerPK) o;
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return Objects.equals( rootLayer, that.rootLayer ) &&
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Objects.equals( validFrom, that.validFrom );
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}
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@Override
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public int hashCode() {
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return Objects.hash( rootLayer, validFrom );
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}
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}
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@ -0,0 +1,47 @@
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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.manytoone.foreignkey;
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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.GeneratedValue;
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import javax.persistence.GenerationType;
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import javax.persistence.Id;
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import javax.persistence.OneToMany;
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import org.hibernate.envers.Audited;
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/**
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* @author Chris Cranford
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*/
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@Entity(name = "RootLayer")
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@Audited
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public class RootLayer {
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@Id
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@GeneratedValue(strategy = GenerationType.AUTO)
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private Long id;
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@OneToMany(mappedBy = "rootLayer", cascade = CascadeType.ALL, orphanRemoval = true)
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private List<MiddleLayer> middleLayers;
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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 List<MiddleLayer> getMiddleLayers() {
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return middleLayers;
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}
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public void setMiddleLayers(List<MiddleLayer> middleLayers) {
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this.middleLayers = middleLayers;
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}
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}
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