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HHH-15560 Add test for issue
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‎hibernate-core/src/test/java/org/hibernate/orm/test/annotations/embeddables/GenericEmbeddableWthSubclassTest.java‎

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package org.hibernate.orm.test.annotations.embeddables;
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import java.util.List;
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import org.hibernate.testing.TestForIssue;
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import org.hibernate.testing.orm.junit.DomainModel;
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import org.hibernate.testing.orm.junit.FailureExpected;
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import org.hibernate.testing.orm.junit.SessionFactory;
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import org.hibernate.testing.orm.junit.SessionFactoryScope;
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import org.junit.jupiter.api.AfterEach;
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import org.junit.jupiter.api.BeforeEach;
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import org.junit.jupiter.api.Test;
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import jakarta.persistence.Column;
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import jakarta.persistence.Embeddable;
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import jakarta.persistence.Embedded;
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import jakarta.persistence.Entity;
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import jakarta.persistence.Id;
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import jakarta.persistence.Inheritance;
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import jakarta.persistence.InheritanceType;
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import jakarta.persistence.MappedSuperclass;
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import static org.assertj.core.api.Assertions.assertThat;
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@DomainModel(
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annotatedClasses = {
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GenericEmbeddableWthSubclassTest.PopularBook.class,
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GenericEmbeddableWthSubclassTest.RareBook.class,
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}
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)
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@SessionFactory
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@TestForIssue( jiraKey = "HHH-15560")
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public class GenericEmbeddableWthSubclassTest {
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private final static long POPULAR_BOOK_ID = 1l;
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private final static String POPULAR_BOOK_CODE = "POP";
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private final static Integer POPULAR_BOOK_YEAR = 1971;
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private final static long RARE_BOOK_ID = 2l;
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private final static Integer RARE_BOOK_CODE = 123;
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private final static String RARE_BOOK_STATE = "Good";
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@BeforeEach
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public void setUp(SessionFactoryScope scope) {
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scope.inTransaction(
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session -> {
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PopularEdition popularEdition = new PopularEdition(
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"Popular",
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POPULAR_BOOK_CODE,
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POPULAR_BOOK_YEAR
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);
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PopularBook popularBook = new PopularBook( POPULAR_BOOK_ID, popularEdition );
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RareEdition rareEdition = new RareEdition( "Rare", RARE_BOOK_CODE, RARE_BOOK_STATE );
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RareBook rareBook = new RareBook( RARE_BOOK_ID, rareEdition );
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session.persist( popularBook );
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session.persist( rareBook );
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}
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);
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}
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@AfterEach
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public void tearDown(SessionFactoryScope scope) {
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scope.inTransaction(
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session -> {
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session.createQuery( "delete from PopularBook" ).executeUpdate();
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session.createQuery( "delete from RareBook" ).executeUpdate();
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}
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);
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}
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@Test
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@FailureExpected(jiraKey = "HHH-15560", reason = "Parametrized Embedded Subclasses not supported")
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public void testSelectSpecificEmbeddedAttribute(SessionFactoryScope scope) {
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scope.inTransaction(
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session -> {
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List<String> rareBookCodes = session.createQuery(
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"select b.edition.state from RareBook b where b.id = :id",
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String.class
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).setParameter( "id", RARE_BOOK_ID ).list();
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assertThat( rareBookCodes.size() ).isEqualTo( 1 );
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String code = rareBookCodes.get( 0 );
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assertThat( code ).isEqualTo( RARE_BOOK_STATE );
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}
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);
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scope.inTransaction(
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session -> {
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List<Integer> populareBookCodes = session.createQuery(
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"select b.edition.year from PopularBook b where b.id = :id",
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Integer.class
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).setParameter( "id", POPULAR_BOOK_ID ).list();
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assertThat( populareBookCodes.size() ).isEqualTo( 1 );
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Integer code = populareBookCodes.get( 0 );
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assertThat( code ).isEqualTo( POPULAR_BOOK_YEAR );
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}
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);
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}
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@Test
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@FailureExpected(jiraKey = "HHH-15560", reason = "Parametrized Embedded Subclasses not supported")
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public void testDowcasting(SessionFactoryScope scope) {
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scope.inTransaction(
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session -> {
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List<String> rareBookStates = session.createQuery(
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"select re.state from Base b left join treat(b.edition as RareEdition) re where b.id = :id",
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String.class
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).setParameter( "id", RARE_BOOK_ID ).list();
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assertThat( rareBookStates.size() ).isEqualTo( 1 );
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String state = rareBookStates.get( 0 );
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assertThat( state ).isEqualTo( RARE_BOOK_STATE );
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}
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);
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scope.inTransaction(
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session -> {
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List<String> rareBookStates = session.createQuery(
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"select re.state from Base b left join b.edition re where b.id = :id",
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String.class
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).setParameter( "id", RARE_BOOK_ID ).list();
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assertThat( rareBookStates.size() ).isEqualTo( 1 );
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String state = rareBookStates.get( 0 );
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assertThat( state ).isEqualTo( RARE_BOOK_STATE );
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}
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);
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}
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@Test
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public void testSelectBaseEmbeddableAttribute(SessionFactoryScope scope) {
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scope.inTransaction(
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session -> {
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List<Integer> rareBookCodes = session.createQuery(
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"select b.edition.code from RareBook b where b.id = :id",
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Integer.class
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).setParameter( "id", RARE_BOOK_ID ).list();
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assertThat( rareBookCodes.size() ).isEqualTo( 1 );
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Integer code = rareBookCodes.get( 0 );
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assertThat( code ).isEqualTo( RARE_BOOK_CODE );
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}
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);
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scope.inTransaction(
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session -> {
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List<String> populareBookCodes = session.createQuery(
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"select b.edition.code from PopularBook b where b.id = :id",
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String.class
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).setParameter( "id", POPULAR_BOOK_ID ).list();
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assertThat( populareBookCodes.size() ).isEqualTo( 1 );
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String code = populareBookCodes.get( 0 );
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assertThat( code ).isEqualTo( POPULAR_BOOK_CODE );
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}
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);
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}
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@MappedSuperclass
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public static class Edition<T> {
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private String editorName;
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@Column(name = "CODE_COLUMN")
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private T code;
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public Edition() {
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}
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public Edition(String editorName, T code) {
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this.editorName = editorName;
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this.code = code;
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}
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}
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@Embeddable
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public static class RareEdition extends Edition<Integer> {
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private String state;
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public RareEdition() {
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}
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public RareEdition(String editorName, Integer code, String state) {
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super( editorName, code );
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this.state = state;
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}
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}
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@Embeddable
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public static class PopularEdition extends Edition<String> {
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@Column(name = "YEAR_COLUMN")
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private Integer year;
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public PopularEdition() {
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}
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public PopularEdition(String editorName, String code, Integer year) {
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super( editorName, code );
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this.year = year;
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}
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}
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@Entity(name = "Base")
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@Inheritance(strategy = InheritanceType.TABLE_PER_CLASS)
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public static class Base {
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@Id
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private Long id;
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public Base() {
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}
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public Base(Long id) {
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this.id = id;
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}
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}
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@MappedSuperclass
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public static abstract class Book<T extends Edition> extends Base {
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@Embedded
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private T edition;
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public Book() {
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}
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public Book(Long id, T edition) {
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super( id );
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this.edition = edition;
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}
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}
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@Entity(name = "PopularBook")
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public static class PopularBook extends Book<PopularEdition> {
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public PopularBook() {
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}
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public PopularBook(Long id, PopularEdition edition) {
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super( id, edition );
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}
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}
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@Entity(name = "RareBook")
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public static class RareBook extends Book<RareEdition> {
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public RareBook() {
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}
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public RareBook(Long id, RareEdition edition) {
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super( id, edition );
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}
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}
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}

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