diff --git a/hibernate-core/src/test/java/org/hibernate/orm/test/mapping/collections/EmbeddedMapElementCollectionJoinTest.java b/hibernate-core/src/test/java/org/hibernate/orm/test/mapping/collections/EmbeddedMapElementCollectionJoinTest.java new file mode 100644 index 0000000000..b0a4eb334d --- /dev/null +++ b/hibernate-core/src/test/java/org/hibernate/orm/test/mapping/collections/EmbeddedMapElementCollectionJoinTest.java @@ -0,0 +1,137 @@ +/* + * 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.collections; + +import java.util.HashMap; +import java.util.Map; + +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.ElementCollection; +import jakarta.persistence.Embeddable; +import jakarta.persistence.Embedded; +import jakarta.persistence.Entity; +import jakarta.persistence.FetchType; +import jakarta.persistence.GeneratedValue; +import jakarta.persistence.Id; +import jakarta.persistence.criteria.CriteriaBuilder; +import jakarta.persistence.criteria.CriteriaQuery; +import jakarta.persistence.criteria.Root; + +import static org.assertj.core.api.Assertions.assertThat; + +/** + * @author Marco Belladelli + */ +@SessionFactory +@DomainModel( annotatedClasses = { + EmbeddedMapElementCollectionJoinTest.ImageFile.class, + EmbeddedMapElementCollectionJoinTest.ImageKey.class, + EmbeddedMapElementCollectionJoinTest.ImagesEmbeddable.class, + EmbeddedMapElementCollectionJoinTest.TestEntity.class, +} ) +@Jira( "https://hibernate.atlassian.net/browse/HHH-16540" ) +public class EmbeddedMapElementCollectionJoinTest { + @BeforeAll + public void setUp(SessionFactoryScope scope) { + scope.inTransaction( session -> { + final ImagesEmbeddable images = new ImagesEmbeddable(); + images.getImagesMap().put( new ImageKey( 1 ), new ImageFile( "file_1" ) ); + session.persist( new TestEntity( images ) ); + } ); + } + + @AfterAll + public void tearDown(SessionFactoryScope scope) { + scope.inTransaction( session -> session.createMutationQuery( "delete from TestEntity" ).executeUpdate() ); + } + + @Test + public void testMapJoin(SessionFactoryScope scope) { + scope.inTransaction( session -> { + final CriteriaBuilder cb = session.getCriteriaBuilder(); + final CriteriaQuery cq = cb.createQuery( ImageFile.class ); + final Root root = cq.from( TestEntity.class ); + final ImageFile result = session.createQuery( + cq.select( root.join( "images" ).joinMap( "imagesMap" ) ) + ).getSingleResult(); + assertThat( result.getFileName() ).isEqualTo( "file_1" ); + } ); + } + + @Embeddable + public static class ImageFile { + private String fileName; + + public ImageFile() { + } + + public ImageFile(String fileName) { + this.fileName = fileName; + } + + public String getFileName() { + return fileName; + } + } + + @Embeddable + public static class ImageKey { + private int imageKey; + + public ImageKey() { + } + + public ImageKey(int imageKey) { + this.imageKey = imageKey; + } + + public int getImageKey() { + return imageKey; + } + } + + @Embeddable + public static class ImagesEmbeddable { + @ElementCollection( fetch = FetchType.LAZY ) + private Map imagesMap = new HashMap<>(); + + public Map getImagesMap() { + return imagesMap; + } + } + + @Entity( name = "TestEntity" ) + public static class TestEntity { + @Id + @GeneratedValue + private int id; + @Embedded + private ImagesEmbeddable images = new ImagesEmbeddable(); + + public TestEntity() { + } + + public TestEntity(ImagesEmbeddable images) { + this.images = images; + } + + public int getId() { + return id; + } + + public ImagesEmbeddable getImages() { + return images; + } + } +}