{{ Identifiable.getJavaType() }} returns the {{@ IdClass }} member type rather than {{ Entity }} class member type. Equivalently, the {{ Attribute#getMember() }} method gives unexpected output as well.
{code:java}
public class IdClassAssociationMetamodelTest extends BaseEntityManagerFunctionalTestCase {
@Entity @IdClass(EntityType.EntityId.class) public static class EntityType {
@Id private Long key2;
@Id @ManyToOne
private SomeAssociationType key1;
public static class EntityId implements Serializable {
private Long key1, key2;
}
}
@Entity public static class SomeAssociationType {
@Id
private Long id;
}
@Override
protected Class<?>[] getAnnotatedClasses() {
return new Class<?>[] { EntityType.class, SomeAssociationType.class };
}
@Test
public void idClassAttributeIsProperlyRepresentedInMetamodelTest() {
doInJPA( this::entityManagerFactory, entityManager -> {
javax.persistence.metamodel.EntityType<EntityType> entity = entityManager.getMetamodel()
.entity( EntityType.class );
SingularAttribute<? super EntityType, ?> key1 = entity.getSingularAttribute( "key1" );
assertEquals( SomeAssociationType.class, key1.getJavaType() ); // Fails because Long is returned
assertEquals( SomeAssociationType.class, key1.getType().getJavaType() );
} );
}
}
{code}
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