HHH-17382 Add test for issue
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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.jpa.criteria;
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import java.util.List;
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import org.hibernate.testing.orm.junit.EntityManagerFactoryScope;
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import org.hibernate.testing.orm.junit.Jira;
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import org.hibernate.testing.orm.junit.Jpa;
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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.Entity;
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import jakarta.persistence.GeneratedValue;
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import jakarta.persistence.Id;
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import jakarta.persistence.MappedSuperclass;
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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.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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@Jpa( annotatedClasses = {
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CriteriaDynamicInstantiationInheritanceTest.BaseEntity.class,
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CriteriaDynamicInstantiationInheritanceTest.AddressEntity.class,
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} )
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@Jira( "https://hibernate.atlassian.net/browse/HHH-17382" )
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public class CriteriaDynamicInstantiationInheritanceTest {
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@BeforeAll
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public void setUp(EntityManagerFactoryScope scope) {
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scope.inTransaction( entityManager -> entityManager.persist( new AddressEntity( "Via Roma", "Pegognaga" ) ) );
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}
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@AfterAll
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public void tearDown(EntityManagerFactoryScope scope) {
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scope.inTransaction( entityManager -> entityManager.createQuery( "delete from AddressEntity" )
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.executeUpdate() );
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}
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@Test
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public void testImplicitDynamicInstantiation(EntityManagerFactoryScope scope) {
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executeCriteriaQuery( scope, (cb, cq, root) -> cq.multiselect(
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root.get( "id" ).alias( "id" ),
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root.get( "street" ).alias( "street" ),
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root.get( "city" ).alias( "city" )
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) );
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}
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@Test
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public void testExplicitDynamicInstantiation(EntityManagerFactoryScope scope) {
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executeCriteriaQuery( scope, (cb, cq, root) -> cq.select( cb.construct(
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AddressEntity.class,
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root.get( "id" ).alias( "id" ),
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root.get( "street" ).alias( "street" ),
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root.get( "city" ).alias( "city" )
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) ) );
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}
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public interface SelectionProducer {
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void apply(CriteriaBuilder cb, CriteriaQuery<AddressEntity> cq, Root<AddressEntity> root);
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}
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private void executeCriteriaQuery(EntityManagerFactoryScope scope, SelectionProducer selectionProducer) {
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scope.inTransaction( entityManager -> {
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final CriteriaBuilder cb = entityManager.getCriteriaBuilder();
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final CriteriaQuery<AddressEntity> cq = cb.createQuery( AddressEntity.class );
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final Root<AddressEntity> root = cq.from( AddressEntity.class );
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selectionProducer.apply( cb, cq, root );
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final List<AddressEntity> list = entityManager.createQuery( cq ).getResultList();
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assertThat( list ).hasSize( 1 );
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assertThat( list.get( 0 ).getId() ).isNotNull();
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assertThat( list.get( 0 ).getStreet() ).isEqualTo( "Via Roma" );
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assertThat( list.get( 0 ).getCity() ).isEqualTo( "Pegognaga" );
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} );
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}
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@MappedSuperclass
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public static abstract class BaseEntity {
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@Id
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@GeneratedValue
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private Long id;
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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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@Entity( name = "AddressEntity" )
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public static class AddressEntity extends BaseEntity {
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private String street;
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private String city;
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public AddressEntity() {
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}
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public AddressEntity(String street, String city) {
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this.street = street;
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this.city = city;
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}
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public String getStreet() {
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return street;
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}
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public String getCity() {
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return city;
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}
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}
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}
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