HHH-16447 Add test for issue

hibernate-core/src/test/java/org/hibernate/orm/test/bytecode/enhancement/refresh/RefreshAndInheritanceTest.java

@@ -0,0 +1,164 @@
+package org.hibernate.orm.test.bytecode.enhancement.refresh;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.hibernate.testing.TestForIssue;
+import org.hibernate.testing.orm.junit.EntityManagerFactoryScope;
+import org.hibernate.testing.orm.junit.JiraKey;
+import org.hibernate.testing.orm.junit.Jpa;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+
+import jakarta.persistence.CascadeType;
+import jakarta.persistence.DiscriminatorColumn;
+import jakarta.persistence.DiscriminatorType;
+import jakarta.persistence.DiscriminatorValue;
+import jakarta.persistence.Entity;
+import jakarta.persistence.FetchType;
+import jakarta.persistence.ForeignKey;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.Inheritance;
+import jakarta.persistence.InheritanceType;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.OneToMany;
+import jakarta.persistence.OneToOne;
+
+import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
+
+@Jpa(
+		annotatedClasses = {
+				RefreshAndInheritanceTest.Company.class,
+				RefreshAndInheritanceTest.ManufacturerCompany.class,
+				RefreshAndInheritanceTest.ManufacturerComputerSystem.class,
+				RefreshAndInheritanceTest.ComputerSystem.class,
+				RefreshAndInheritanceTest.Person.class,
+		}
+)
+@TestForIssue( jiraKey = "HHH-16447")
+public class RefreshAndInheritanceTest {
+
+	@BeforeAll
+	public void init(EntityManagerFactoryScope scope) {
+
+		scope.inTransaction(
+				entityManager -> {
+					ManufacturerCompany manufacturerCompany = new ManufacturerCompany();
+					manufacturerCompany.setComputerSystem( new ManufacturerComputerSystem() );
+
+					Person person = new Person();
+					person.setFirstName( "Henry" );
+					manufacturerCompany.addPerson( person );
+
+					entityManager.persist( manufacturerCompany );
+				}
+		);
+	}
+
+	@Test
+	public void refreshTest(EntityManagerFactoryScope scope) {
+		scope.inEntityManager(
+				entityManager -> {
+					ManufacturerCompany manufacturerCompany = entityManager.find( ManufacturerCompany.class, 1L );
+					entityManager.refresh( manufacturerCompany );
+
+					List<Person> people = manufacturerCompany.getPeople();
+					Person person1 = people.get( 0 );
+
+					String newFirstName = "name1".equals( person1.getFirstName() ) ? "name2" : "name1";
+					entityManager.getTransaction().begin();
+					person1.setFirstName( newFirstName );
+					entityManager.getTransaction().commit();
+
+					assertThat( person1.getFirstName() ).isEqualTo( newFirstName );
+
+				}
+		);
+	}
+
+
+	@Entity(name = "Company")
+	@Inheritance(strategy = InheritanceType.JOINED)
+	@DiscriminatorColumn(name = "CompanyType", discriminatorType = DiscriminatorType.INTEGER)
+	public static abstract class Company {
+		@Id
+		@GeneratedValue(strategy = GenerationType.IDENTITY)
+		protected long id;
+
+		@OneToMany(mappedBy = "company", orphanRemoval = true, cascade = CascadeType.ALL, fetch = FetchType.LAZY)
+		private List<Person> people = new ArrayList<>();
+
+		public List<Person> getPeople() {
+			return people;
+		}
+
+		public void addPerson(Person person) {
+			people.add( person );
+			person.setCompany( this );
+		}
+	}
+
+	@Entity(name = "ComputerSystem")
+	@Inheritance(strategy = InheritanceType.JOINED)
+	@DiscriminatorColumn(name = "CompanyType", discriminatorType = DiscriminatorType.INTEGER)
+	public static abstract class ComputerSystem {
+		@Id
+		@GeneratedValue(strategy = GenerationType.IDENTITY)
+		private long id;
+
+		@ManyToOne
+		@JoinColumn(name = "OWNER_ID", foreignKey = @ForeignKey())
+		protected Company owner = null;
+
+		public void setOwner(Company owner) {
+			this.owner = owner;
+		}
+	}
+
+	@Entity(name = "ManufacturerComputerSystem")
+	@DiscriminatorValue("2")
+	public static class ManufacturerComputerSystem extends ComputerSystem {
+	}
+
+	@Entity(name = "ManufacturerCompany")
+	@DiscriminatorValue("1")
+	public static class ManufacturerCompany extends Company {
+		@OneToOne(orphanRemoval = true, cascade = CascadeType.ALL, fetch = FetchType.LAZY)
+		@JoinColumn(name = "COMPUTERSYSTEM_ID", foreignKey = @ForeignKey())
+		private ManufacturerComputerSystem computerSystem;
+
+		public void setComputerSystem(ManufacturerComputerSystem computerSystem) {
+			this.computerSystem = computerSystem;
+			computerSystem.setOwner( this );
+		}
+	}
+
+	@Entity(name = "Person")
+	public static class Person {
+		@Id
+		@GeneratedValue(strategy = GenerationType.IDENTITY)
+		private long id;
+
+		private String firstName;
+
+		@ManyToOne(fetch = FetchType.LAZY)
+		@JoinColumn(name = "COMPANY_ID", foreignKey = @ForeignKey())
+		private Company company;
+
+		public void setFirstName(String firstName) {
+			this.firstName = firstName;
+		}
+
+		public String getFirstName() {
+			return firstName;
+		}
+
+		public void setCompany(Company company) {
+			this.company = company;
+		}
+	}
+
+}