diff --git a/hibernate-core/src/test/java/org/hibernate/orm/test/mapping/embeddable/EmbeddableReusedColumnInheritanceTest.java b/hibernate-core/src/test/java/org/hibernate/orm/test/mapping/embeddable/EmbeddableReusedColumnInheritanceTest.java new file mode 100644 index 0000000000..6df11a90a9 --- /dev/null +++ b/hibernate-core/src/test/java/org/hibernate/orm/test/mapping/embeddable/EmbeddableReusedColumnInheritanceTest.java @@ -0,0 +1,161 @@ +/* + * Hibernate, Relational Persistence for Idiomatic Java + * + * License: GNU Lesser General Public License (LGPL), version 2.1 or later + * See the lgpl.txt file in the root directory or http://www.gnu.org/licenses/lgpl-2.1.html + */ +package org.hibernate.orm.test.mapping.embeddable; + +import org.hibernate.Hibernate; + +import org.hibernate.testing.orm.junit.DomainModel; +import org.hibernate.testing.orm.junit.Jira; +import org.hibernate.testing.orm.junit.SessionFactory; +import org.hibernate.testing.orm.junit.SessionFactoryScope; +import org.junit.jupiter.api.AfterAll; +import org.junit.jupiter.api.BeforeAll; +import org.junit.jupiter.api.Test; + +import jakarta.persistence.DiscriminatorColumn; +import jakarta.persistence.DiscriminatorType; +import jakarta.persistence.DiscriminatorValue; +import jakarta.persistence.Embeddable; +import jakarta.persistence.Embedded; +import jakarta.persistence.Entity; +import jakarta.persistence.Id; +import jakarta.persistence.Inheritance; +import jakarta.persistence.InheritanceType; + +import static org.assertj.core.api.AssertionsForClassTypes.assertThat; + +/** + * @author gtoison + * @author Marco Belladelli + */ +@SessionFactory +@DomainModel( annotatedClasses = { + EmbeddableReusedColumnInheritanceTest.Food.class, + EmbeddableReusedColumnInheritanceTest.SolidFood.class, + EmbeddableReusedColumnInheritanceTest.LiquidFood.class, + EmbeddableReusedColumnInheritanceTest.WeightAndVolume.class +} ) +@Jira( "https://hibernate.atlassian.net/browse/HHH-17156" ) +public class EmbeddableReusedColumnInheritanceTest { + @BeforeAll + public void setUp(SessionFactoryScope scope) { + scope.inTransaction( session -> { + final SolidFood solid = new SolidFood(); + solid.setId( 1L ); + solid.setWeight( 42.0D ); + session.persist( solid ); + final LiquidFood liquid = new LiquidFood(); + liquid.setId( 2L ); + liquid.setWeightAndVolume( new WeightAndVolume( 1.0D, 2.0D ) ); + session.persist( liquid ); + } ); + } + + @AfterAll + public void tearDown(SessionFactoryScope scope) { + scope.inTransaction( session -> session.createMutationQuery( "delete from Food" ).executeUpdate() ); + } + + @Test + public void testSolidFood(SessionFactoryScope scope) { + scope.inSession( s -> { + final Food food = s.getReference( Food.class, 1L ); + assertThat( Hibernate.isInitialized( food ) ).isFalse(); + final Object unproxied = Hibernate.unproxy( food ); + assertThat( unproxied ).isInstanceOf( SolidFood.class ); + assertThat( ( (SolidFood) unproxied ).getWeight() ).isEqualTo( 42.0D ); + } ); + } + + @Test + public void testLiquidFood(SessionFactoryScope scope) { + scope.inSession( s -> { + final Food food = s.getReference( Food.class, 2L ); + assertThat( Hibernate.isInitialized( food ) ).isFalse(); + final Object unproxied = Hibernate.unproxy( food ); + assertThat( unproxied ).isInstanceOf( LiquidFood.class ); + assertThat( ( (LiquidFood) unproxied ).getWeightAndVolume().getWeight() ).isEqualTo( 1.0D ); + assertThat( ( (LiquidFood) unproxied ).getWeightAndVolume().getVolume() ).isEqualTo( 2.0D ); + } ); + } + + @Entity( name = "Food" ) + @Inheritance( strategy = InheritanceType.SINGLE_TABLE ) + @DiscriminatorColumn( discriminatorType = DiscriminatorType.STRING, name = "type" ) + @DiscriminatorValue( value = "FOOD" ) + public static class Food { + @Id + private Long id; + + public Long getId() { + return id; + } + + public void setId(Long id) { + this.id = id; + } + } + + @Entity( name = "SolidFood" ) + @DiscriminatorValue( "SOLID" ) + public static class SolidFood extends Food { + private Double weight; + + public Double getWeight() { + return weight; + } + + public void setWeight(Double weight) { + this.weight = weight; + } + } + + @Entity( name = "LiquidFood" ) + @DiscriminatorValue( "LIQUID" ) + public static class LiquidFood extends Food { + @Embedded + private WeightAndVolume weightAndVolume; + + public WeightAndVolume getWeightAndVolume() { + return weightAndVolume; + } + + public void setWeightAndVolume(WeightAndVolume weightAndVolume) { + this.weightAndVolume = weightAndVolume; + } + } + + @Embeddable + public static class WeightAndVolume { + private double weight; + private double volume; + + public WeightAndVolume() { + } + + public WeightAndVolume(double weight, double volume) { + this.weight = weight; + this.volume = volume; + } + + public double getWeight() { + return weight; + } + + public void setWeight(double weight) { + this.weight = weight; + } + + public double getVolume() { + return volume; + } + + public void setVolume(double volume) { + this.volume = volume; + } + } +} \ No newline at end of file