HHH-16472 Add test for issue
This commit is contained in:
Marco Belladelli
parent
0980b78d5e
commit
c0b95a16e6
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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.orm.test.inheritance;
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import java.util.List;
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import org.hibernate.testing.orm.junit.DomainModel;
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import org.hibernate.testing.orm.junit.Jira;
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import org.hibernate.testing.orm.junit.SessionFactory;
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import org.hibernate.testing.orm.junit.SessionFactoryScope;
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import org.junit.jupiter.api.AfterAll;
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import org.junit.jupiter.api.BeforeAll;
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import org.junit.jupiter.api.Test;
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import jakarta.persistence.DiscriminatorColumn;
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import jakarta.persistence.Entity;
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import jakarta.persistence.GeneratedValue;
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import jakarta.persistence.Id;
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import jakarta.persistence.Inheritance;
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import jakarta.persistence.InheritanceType;
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import jakarta.persistence.ManyToOne;
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import jakarta.persistence.TypedQuery;
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import jakarta.persistence.criteria.CriteriaBuilder;
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import jakarta.persistence.criteria.CriteriaQuery;
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import jakarta.persistence.criteria.Join;
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import jakarta.persistence.criteria.JoinType;
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import jakarta.persistence.criteria.Path;
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import jakarta.persistence.criteria.Root;
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import static org.assertj.core.api.Assertions.assertThat;
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/**
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* @author Marco Belladelli
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*/
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@SessionFactory
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@DomainModel( annotatedClasses = {
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TreatedLeftJoinInheritanceTest.ParentEntity.class,
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TreatedLeftJoinInheritanceTest.SingleTableEntity.class,
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TreatedLeftJoinInheritanceTest.SingleTableSubEntity.class,
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TreatedLeftJoinInheritanceTest.JoinedEntity.class,
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TreatedLeftJoinInheritanceTest.JoinedSubEntity.class,
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TreatedLeftJoinInheritanceTest.TablePerClassEntity.class,
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TreatedLeftJoinInheritanceTest.TablePerClassSubEntity.class,
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TreatedLeftJoinInheritanceTest.ChildEntity.class
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} )
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@Jira( "https://hibernate.atlassian.net/browse/HHH-16472" )
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public class TreatedLeftJoinInheritanceTest {
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@BeforeAll
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public void setUp(SessionFactoryScope scope) {
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scope.inTransaction( session -> {
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final ChildEntity childEntity = new ChildEntity( 1L );
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session.persist( childEntity );
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final SingleTableSubEntity singleTableSubEntity = new SingleTableSubEntity( childEntity );
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session.persist( singleTableSubEntity );
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final JoinedSubEntity joinedSubEntity = new JoinedSubEntity( childEntity );
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session.persist( joinedSubEntity );
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final TablePerClassSubEntity tablePerClassSubEntity = new TablePerClassSubEntity( childEntity );
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session.persist( tablePerClassSubEntity );
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final ParentEntity parentEntityA = new ParentEntity( 1L, "entity1_a", null, null, null );
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session.persist( parentEntityA );
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final ParentEntity parentEntityB = new ParentEntity(
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2L,
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"entity1_b",
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singleTableSubEntity,
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joinedSubEntity,
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tablePerClassSubEntity
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);
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session.persist( parentEntityB );
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} );
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}
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@AfterAll
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public void tearDown(SessionFactoryScope scope) {
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scope.inTransaction( session -> {
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session.createMutationQuery( "delete from ParentEntity" ).executeUpdate();
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session.createMutationQuery( "delete from SingleTableEntity" ).executeUpdate();
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session.createMutationQuery( "delete from JoinedEntity" ).executeUpdate();
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session.createMutationQuery( "delete from TablePerClassEntity" ).executeUpdate();
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session.createMutationQuery( "delete from ChildEntity" ).executeUpdate();
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} );
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}
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@Test
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public void testSingleTable(SessionFactoryScope scope) {
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scope.inTransaction( session -> {
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final ChildEntity childEntity = session.find( ChildEntity.class, 1L );
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final CriteriaBuilder cb = session.getCriteriaBuilder();
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final CriteriaQuery<ParentEntity> cq = cb.createQuery( ParentEntity.class );
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final Root<ParentEntity> root = cq.from( ParentEntity.class );
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final Join<ParentEntity, SingleTableEntity> join = root.join(
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session.getMetamodel()
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.entity( ParentEntity.class )
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.getSingularAttribute( "singleTableEntity", SingleTableEntity.class ),
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JoinType.LEFT
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);
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final Join<ParentEntity, SingleTableSubEntity> treatedJoin = cb.treat(
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join,
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SingleTableSubEntity.class
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);
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final Path<?> childPath = treatedJoin.get( "child" );
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cq.select( root ).where( cb.or(
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cb.equal( childPath, childEntity ),
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childPath.isNull()
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) ).orderBy( cb.asc( root.get( "id" ) ) );
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final TypedQuery<ParentEntity> query = session.createQuery( cq );
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final List<ParentEntity> resultList = query.getResultList();
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assertThat( resultList ).hasSize( 2 );
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assertThat( resultList.get( 0 ).getSingleTableEntity() ).isNull();
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final SingleTableEntity subEntity = resultList.get( 1 ).getSingleTableEntity();
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assertThat( subEntity ).isInstanceOf( SingleTableSubEntity.class );
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assertThat( ( (SingleTableSubEntity) subEntity ).getChild().getId() ).isEqualTo( 1L );
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} );
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}
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@Test
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public void testJoined(SessionFactoryScope scope) {
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scope.inTransaction( session -> {
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final ChildEntity childEntity = session.find( ChildEntity.class, 1L );
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final CriteriaBuilder cb = session.getCriteriaBuilder();
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final CriteriaQuery<ParentEntity> cq = cb.createQuery( ParentEntity.class );
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final Root<ParentEntity> root = cq.from( ParentEntity.class );
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final Join<ParentEntity, JoinedEntity> join = root.join(
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session.getMetamodel()
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.entity( ParentEntity.class )
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.getSingularAttribute( "joinedEntity", JoinedEntity.class ),
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JoinType.LEFT
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);
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final Join<ParentEntity, JoinedSubEntity> treatedJoin = cb.treat(
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join,
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JoinedSubEntity.class
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);
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final Path<?> childPath = treatedJoin.get( "child" );
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cq.select( root ).where( cb.or(
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cb.equal( childPath, childEntity ),
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childPath.isNull()
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) ).orderBy( cb.asc( root.get( "id" ) ) );
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final TypedQuery<ParentEntity> query = session.createQuery( cq );
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final List<ParentEntity> resultList = query.getResultList();
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assertThat( resultList ).hasSize( 2 );
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assertThat( resultList.get( 0 ).getJoinedEntity() ).isNull();
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final JoinedEntity subEntity = resultList.get( 1 ).getJoinedEntity();
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assertThat( subEntity ).isInstanceOf( JoinedSubEntity.class );
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assertThat( ( (JoinedSubEntity) subEntity ).getChild().getId() ).isEqualTo( 1L );
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} );
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}
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@Test
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public void testTablePerClass(SessionFactoryScope scope) {
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scope.inTransaction( session -> {
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final ChildEntity childEntity = session.find( ChildEntity.class, 1L );
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final CriteriaBuilder cb = session.getCriteriaBuilder();
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final CriteriaQuery<ParentEntity> cq = cb.createQuery( ParentEntity.class );
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final Root<ParentEntity> root = cq.from( ParentEntity.class );
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final Join<ParentEntity, TablePerClassEntity> join = root.join(
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session.getMetamodel()
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.entity( ParentEntity.class )
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.getSingularAttribute( "tablePerClassEntity", TablePerClassEntity.class ),
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JoinType.LEFT
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);
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final Join<ParentEntity, TablePerClassSubEntity> treatedJoin = cb.treat(
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join,
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TablePerClassSubEntity.class
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);
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final Path<?> childPath = treatedJoin.get( "child" );
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cq.select( root ).where( cb.or(
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cb.equal( childPath, childEntity ),
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childPath.isNull()
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) ).orderBy( cb.asc( root.get( "id" ) ) );
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final TypedQuery<ParentEntity> query = session.createQuery( cq );
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final List<ParentEntity> resultList = query.getResultList();
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assertThat( resultList ).hasSize( 2 );
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assertThat( resultList.get( 0 ).getTablePerClassEntity() ).isNull();
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final TablePerClassEntity subEntity = resultList.get( 1 ).getTablePerClassEntity();
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assertThat( subEntity ).isInstanceOf( TablePerClassSubEntity.class );
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assertThat( ( (TablePerClassSubEntity) subEntity ).getChild().getId() ).isEqualTo( 1L );
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} );
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}
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@Entity( name = "ParentEntity" )
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public static class ParentEntity {
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@Id
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private Long id;
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private String name;
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@ManyToOne
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private SingleTableEntity singleTableEntity;
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@ManyToOne
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private JoinedEntity joinedEntity;
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@ManyToOne
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private TablePerClassEntity tablePerClassEntity;
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public ParentEntity() {
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}
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public ParentEntity(
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Long id,
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String name,
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SingleTableEntity singleTableEntity,
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JoinedEntity joinedEntity,
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TablePerClassEntity tablePerClassEntity) {
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this.id = id;
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this.name = name;
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this.singleTableEntity = singleTableEntity;
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this.joinedEntity = joinedEntity;
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this.tablePerClassEntity = tablePerClassEntity;
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}
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public SingleTableEntity getSingleTableEntity() {
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return singleTableEntity;
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}
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public JoinedEntity getJoinedEntity() {
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return joinedEntity;
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}
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public TablePerClassEntity getTablePerClassEntity() {
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return tablePerClassEntity;
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}
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}
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@Entity( name = "SingleTableEntity" )
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@Inheritance( strategy = InheritanceType.SINGLE_TABLE )
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@DiscriminatorColumn( name = "disc_col" )
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public static class SingleTableEntity {
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@Id
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@GeneratedValue
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private Long id;
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}
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@Entity( name = "SingleTableSubEntity" )
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public static class SingleTableSubEntity extends SingleTableEntity {
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@ManyToOne
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private ChildEntity child;
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public SingleTableSubEntity() {
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}
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public SingleTableSubEntity(ChildEntity child) {
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this.child = child;
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}
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public ChildEntity getChild() {
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return child;
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}
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}
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@Entity( name = "JoinedEntity" )
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@Inheritance( strategy = InheritanceType.JOINED )
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public static class JoinedEntity {
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@Id
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@GeneratedValue
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private Long id;
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}
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@Entity( name = "JoinedSubEntity" )
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public static class JoinedSubEntity extends JoinedEntity {
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@ManyToOne
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private ChildEntity child;
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public JoinedSubEntity() {
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}
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public JoinedSubEntity(ChildEntity child) {
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this.child = child;
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}
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public ChildEntity getChild() {
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return child;
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}
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}
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@Entity( name = "TablePerClassEntity" )
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@Inheritance( strategy = InheritanceType.TABLE_PER_CLASS )
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public static class TablePerClassEntity {
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@Id
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@GeneratedValue
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private Long id;
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}
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@Entity( name = "TablePerClassSubEntity" )
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public static class TablePerClassSubEntity extends TablePerClassEntity {
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@ManyToOne
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private ChildEntity child;
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public TablePerClassSubEntity() {
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}
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public TablePerClassSubEntity(ChildEntity child) {
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this.child = child;
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}
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public ChildEntity getChild() {
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return child;
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}
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}
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@Entity( name = "ChildEntity" )
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public static class ChildEntity {
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@Id
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private Long id;
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public ChildEntity() {
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}
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public ChildEntity(Long id) {
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this.id = id;
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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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}
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}
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@ -0,0 +1,362 @@
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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.orm.test.inheritance;
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import java.util.Collection;
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import java.util.List;
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import java.util.Set;
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import org.hibernate.testing.orm.junit.DomainModel;
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import org.hibernate.testing.orm.junit.Jira;
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import org.hibernate.testing.orm.junit.SessionFactory;
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import org.hibernate.testing.orm.junit.SessionFactoryScope;
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import org.junit.jupiter.api.AfterAll;
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import org.junit.jupiter.api.BeforeAll;
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import org.junit.jupiter.api.Test;
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import jakarta.persistence.DiscriminatorColumn;
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import jakarta.persistence.Entity;
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import jakarta.persistence.GeneratedValue;
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import jakarta.persistence.Id;
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import jakarta.persistence.Inheritance;
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import jakarta.persistence.InheritanceType;
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import jakarta.persistence.ManyToOne;
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import jakarta.persistence.OneToMany;
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import jakarta.persistence.TypedQuery;
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import jakarta.persistence.criteria.CollectionJoin;
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import jakarta.persistence.criteria.CriteriaBuilder;
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import jakarta.persistence.criteria.CriteriaQuery;
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import jakarta.persistence.criteria.JoinType;
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import jakarta.persistence.criteria.ListJoin;
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import jakarta.persistence.criteria.Path;
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import jakarta.persistence.criteria.Root;
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import jakarta.persistence.criteria.SetJoin;
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import static org.assertj.core.api.Assertions.assertThat;
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/**
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* @author Marco Belladelli
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*/
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@SessionFactory
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@DomainModel( annotatedClasses = {
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TreatedLeftPluralJoinInheritanceTest.ParentEntity.class,
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TreatedLeftPluralJoinInheritanceTest.SingleTableEntity.class,
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TreatedLeftPluralJoinInheritanceTest.SingleTableSubEntity.class,
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TreatedLeftPluralJoinInheritanceTest.JoinedEntity.class,
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TreatedLeftPluralJoinInheritanceTest.JoinedSubEntity.class,
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TreatedLeftPluralJoinInheritanceTest.TablePerClassEntity.class,
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TreatedLeftPluralJoinInheritanceTest.TablePerClassSubEntity.class,
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TreatedLeftPluralJoinInheritanceTest.ChildEntity.class
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} )
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@Jira( "https://hibernate.atlassian.net/browse/HHH-16472" )
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public class TreatedLeftPluralJoinInheritanceTest {
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@BeforeAll
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public void setUp(SessionFactoryScope scope) {
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scope.inTransaction( session -> {
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final ChildEntity childEntity = new ChildEntity( 1L );
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session.persist( childEntity );
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final SingleTableSubEntity singleTableSubEntity = new SingleTableSubEntity( childEntity );
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final JoinedSubEntity joinedSubEntity = new JoinedSubEntity( childEntity );
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final TablePerClassSubEntity tablePerClassSubEntity = new TablePerClassSubEntity( childEntity );
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final ParentEntity parentEntityA = new ParentEntity( 1L, "entity1_a", null, null, null );
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session.persist( parentEntityA );
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final ParentEntity parentEntityB = new ParentEntity(
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2L,
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"entity1_b",
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List.of( singleTableSubEntity ),
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Set.of( joinedSubEntity ),
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List.of( tablePerClassSubEntity )
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);
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singleTableSubEntity.setParentEntity( parentEntityB );
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session.persist( singleTableSubEntity );
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joinedSubEntity.setParentEntity( parentEntityB );
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session.persist( joinedSubEntity );
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tablePerClassSubEntity.setParentEntity( parentEntityB );
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session.persist( tablePerClassSubEntity );
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session.persist( parentEntityB );
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} );
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}
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@AfterAll
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public void tearDown(SessionFactoryScope scope) {
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scope.inTransaction( session -> {
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session.createMutationQuery( "delete from SingleTableEntity" ).executeUpdate();
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session.createMutationQuery( "delete from JoinedEntity" ).executeUpdate();
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session.createMutationQuery( "delete from TablePerClassEntity" ).executeUpdate();
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session.createMutationQuery( "delete from ParentEntity" ).executeUpdate();
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session.createMutationQuery( "delete from ChildEntity" ).executeUpdate();
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} );
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}
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@Test
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public void testSingleTable(SessionFactoryScope scope) {
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scope.inTransaction( session -> {
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final ChildEntity childEntity = session.find( ChildEntity.class, 1L );
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final CriteriaBuilder cb = session.getCriteriaBuilder();
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final CriteriaQuery<ParentEntity> cq = cb.createQuery( ParentEntity.class );
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final Root<ParentEntity> root = cq.from( ParentEntity.class );
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final ListJoin<ParentEntity, SingleTableEntity> listJoin = root.join(
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session.getMetamodel()
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.entity( ParentEntity.class )
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.getList( "singleTableEntities", SingleTableEntity.class ),
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JoinType.LEFT
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);
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final ListJoin<ParentEntity, SingleTableSubEntity> treatedJoin = cb.treat(
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listJoin,
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SingleTableSubEntity.class
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);
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final Path<?> childPath = treatedJoin.get( "child" );
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cq.select( root ).where( cb.or(
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cb.equal( childPath, childEntity ),
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childPath.isNull()
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) ).orderBy( cb.asc( root.get( "id" ) ) );
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final TypedQuery<ParentEntity> query = session.createQuery( cq );
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final List<ParentEntity> resultList = query.getResultList();
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assertThat( resultList ).hasSize( 2 );
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assertThat( resultList.get( 0 ).getSingleTableEntities() ).isEmpty();
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assertThat( resultList.get( 1 ).getSingleTableEntities() ).hasSize( 1 );
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final SingleTableEntity subEntity = resultList.get( 1 ).getSingleTableEntities().get( 0 );
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assertThat( subEntity ).isInstanceOf( SingleTableSubEntity.class );
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assertThat( ( (SingleTableSubEntity) subEntity ).getChild().getId() ).isEqualTo( 1L );
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} );
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}
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@Test
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public void testJoined(SessionFactoryScope scope) {
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scope.inTransaction( session -> {
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final ChildEntity childEntity = session.find( ChildEntity.class, 1L );
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final CriteriaBuilder cb = session.getCriteriaBuilder();
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final CriteriaQuery<ParentEntity> cq = cb.createQuery( ParentEntity.class );
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final Root<ParentEntity> root = cq.from( ParentEntity.class );
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final SetJoin<ParentEntity, JoinedEntity> join = root.join(
|
||||
session.getMetamodel().entity( ParentEntity.class ).getSet( "joinedEntities", JoinedEntity.class ),
|
||||
JoinType.LEFT
|
||||
);
|
||||
final SetJoin<ParentEntity, JoinedSubEntity> treatedJoin = cb.treat(
|
||||
join,
|
||||
JoinedSubEntity.class
|
||||
);
|
||||
final Path<?> childPath = treatedJoin.get( "child" );
|
||||
cq.select( root ).where( cb.or(
|
||||
cb.equal( childPath, childEntity ),
|
||||
childPath.isNull()
|
||||
) ).orderBy( cb.asc( root.get( "id" ) ) );
|
||||
final TypedQuery<ParentEntity> query = session.createQuery( cq );
|
||||
final List<ParentEntity> resultList = query.getResultList();
|
||||
assertThat( resultList ).hasSize( 2 );
|
||||
assertThat( resultList.get( 0 ).getJoinedEntities() ).isEmpty();
|
||||
assertThat( resultList.get( 1 ).getJoinedEntities() ).hasSize( 1 );
|
||||
final JoinedEntity subEntity = resultList.get( 1 ).getJoinedEntities().iterator().next();
|
||||
assertThat( subEntity ).isInstanceOf( JoinedSubEntity.class );
|
||||
assertThat( ( (JoinedSubEntity) subEntity ).getChild().getId() ).isEqualTo( 1L );
|
||||
} );
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testTablePerClass(SessionFactoryScope scope) {
|
||||
scope.inTransaction( session -> {
|
||||
final ChildEntity childEntity = session.find( ChildEntity.class, 1L );
|
||||
final CriteriaBuilder cb = session.getCriteriaBuilder();
|
||||
final CriteriaQuery<ParentEntity> cq = cb.createQuery( ParentEntity.class );
|
||||
final Root<ParentEntity> root = cq.from( ParentEntity.class );
|
||||
final CollectionJoin<ParentEntity, TablePerClassEntity> join = root.join(
|
||||
session.getMetamodel()
|
||||
.entity( ParentEntity.class )
|
||||
.getCollection( "tablePerClassEntities", TablePerClassEntity.class ),
|
||||
JoinType.LEFT
|
||||
);
|
||||
final CollectionJoin<ParentEntity, TablePerClassSubEntity> treatedJoin = cb.treat(
|
||||
join,
|
||||
TablePerClassSubEntity.class
|
||||
);
|
||||
final Path<?> childPath = treatedJoin.get( "child" );
|
||||
cq.select( root ).where( cb.or(
|
||||
cb.equal( childPath, childEntity ),
|
||||
childPath.isNull()
|
||||
) ).orderBy( cb.asc( root.get( "id" ) ) );
|
||||
final TypedQuery<ParentEntity> query = session.createQuery( cq );
|
||||
final List<ParentEntity> resultList = query.getResultList();
|
||||
assertThat( resultList ).hasSize( 2 );
|
||||
assertThat( resultList.get( 0 ).getTablePerClassEntities() ).isEmpty();
|
||||
assertThat( resultList.get( 1 ).getTablePerClassEntities() ).hasSize( 1 );
|
||||
final TablePerClassEntity subEntity = resultList.get( 1 ).getTablePerClassEntities().iterator().next();
|
||||
assertThat( subEntity ).isInstanceOf( TablePerClassSubEntity.class );
|
||||
assertThat( ( (TablePerClassSubEntity) subEntity ).getChild().getId() ).isEqualTo( 1L );
|
||||
} );
|
||||
}
|
||||
|
||||
@Entity( name = "ParentEntity" )
|
||||
public static class ParentEntity {
|
||||
@Id
|
||||
private Long id;
|
||||
|
||||
private String name;
|
||||
|
||||
@OneToMany( mappedBy = "parentEntity" )
|
||||
private List<SingleTableEntity> singleTableEntities;
|
||||
|
||||
@OneToMany( mappedBy = "parentEntity" )
|
||||
private Set<JoinedEntity> joinedEntities;
|
||||
|
||||
@OneToMany( mappedBy = "parentEntity" )
|
||||
private Collection<TablePerClassEntity> tablePerClassEntities;
|
||||
|
||||
public ParentEntity() {
|
||||
}
|
||||
|
||||
public ParentEntity(
|
||||
Long id,
|
||||
String name,
|
||||
List<SingleTableEntity> singleTableEntities,
|
||||
Set<JoinedEntity> joinedEntities,
|
||||
Collection<TablePerClassEntity> tablePerClassEntities) {
|
||||
this.id = id;
|
||||
this.name = name;
|
||||
this.singleTableEntities = singleTableEntities;
|
||||
this.joinedEntities = joinedEntities;
|
||||
this.tablePerClassEntities = tablePerClassEntities;
|
||||
}
|
||||
|
||||
public List<SingleTableEntity> getSingleTableEntities() {
|
||||
return singleTableEntities;
|
||||
}
|
||||
|
||||
public Set<JoinedEntity> getJoinedEntities() {
|
||||
return joinedEntities;
|
||||
}
|
||||
|
||||
public Collection<TablePerClassEntity> getTablePerClassEntities() {
|
||||
return tablePerClassEntities;
|
||||
}
|
||||
}
|
||||
|
||||
@Entity( name = "SingleTableEntity" )
|
||||
@Inheritance( strategy = InheritanceType.SINGLE_TABLE )
|
||||
@DiscriminatorColumn( name = "disc_col" )
|
||||
public static class SingleTableEntity {
|
||||
@Id
|
||||
@GeneratedValue
|
||||
private Long id;
|
||||
|
||||
@ManyToOne
|
||||
private ParentEntity parentEntity;
|
||||
|
||||
public ParentEntity getParentEntity() {
|
||||
return parentEntity;
|
||||
}
|
||||
|
||||
public void setParentEntity(ParentEntity parentEntity) {
|
||||
this.parentEntity = parentEntity;
|
||||
}
|
||||
}
|
||||
|
||||
@Entity( name = "SingleTableSubEntity" )
|
||||
public static class SingleTableSubEntity extends SingleTableEntity {
|
||||
@ManyToOne
|
||||
private ChildEntity child;
|
||||
|
||||
public SingleTableSubEntity() {
|
||||
}
|
||||
|
||||
public SingleTableSubEntity(ChildEntity child) {
|
||||
this.child = child;
|
||||
}
|
||||
|
||||
public ChildEntity getChild() {
|
||||
return child;
|
||||
}
|
||||
}
|
||||
|
||||
@Entity( name = "JoinedEntity" )
|
||||
@Inheritance( strategy = InheritanceType.JOINED )
|
||||
public static class JoinedEntity {
|
||||
@Id
|
||||
@GeneratedValue
|
||||
private Long id;
|
||||
|
||||
@ManyToOne
|
||||
private ParentEntity parentEntity;
|
||||
|
||||
public ParentEntity getParentEntity() {
|
||||
return parentEntity;
|
||||
}
|
||||
|
||||
public void setParentEntity(ParentEntity parentEntity) {
|
||||
this.parentEntity = parentEntity;
|
||||
}
|
||||
}
|
||||
|
||||
@Entity( name = "JoinedSubEntity" )
|
||||
public static class JoinedSubEntity extends JoinedEntity {
|
||||
@ManyToOne
|
||||
private ChildEntity child;
|
||||
|
||||
public JoinedSubEntity() {
|
||||
}
|
||||
|
||||
public JoinedSubEntity(ChildEntity child) {
|
||||
this.child = child;
|
||||
}
|
||||
|
||||
public ChildEntity getChild() {
|
||||
return child;
|
||||
}
|
||||
}
|
||||
|
||||
@Entity( name = "TablePerClassEntity" )
|
||||
@Inheritance( strategy = InheritanceType.TABLE_PER_CLASS )
|
||||
public static class TablePerClassEntity {
|
||||
@Id
|
||||
@GeneratedValue
|
||||
private Long id;
|
||||
|
||||
@ManyToOne
|
||||
private ParentEntity parentEntity;
|
||||
|
||||
public ParentEntity getParentEntity() {
|
||||
return parentEntity;
|
||||
}
|
||||
|
||||
public void setParentEntity(ParentEntity parentEntity) {
|
||||
this.parentEntity = parentEntity;
|
||||
}
|
||||
}
|
||||
|
||||
@Entity( name = "TablePerClassSubEntity" )
|
||||
public static class TablePerClassSubEntity extends TablePerClassEntity {
|
||||
@ManyToOne
|
||||
private ChildEntity child;
|
||||
|
||||
public TablePerClassSubEntity() {
|
||||
}
|
||||
|
||||
public TablePerClassSubEntity(ChildEntity child) {
|
||||
this.child = child;
|
||||
}
|
||||
|
||||
public ChildEntity getChild() {
|
||||
return child;
|
||||
}
|
||||
}
|
||||
|
||||
@Entity( name = "ChildEntity" )
|
||||
public static class ChildEntity {
|
||||
@Id
|
||||
private Long id;
|
||||
|
||||
public ChildEntity() {
|
||||
}
|
||||
|
||||
public ChildEntity(Long id) {
|
||||
this.id = id;
|
||||
}
|
||||
|
||||
public Long getId() {
|
||||
return id;
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue