HHH-16490 Test case for allowing to map same column twice, once with a custom Java type
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/*
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* Hibernate, Relational Persistence for Idiomatic Java
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*
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* License: GNU Lesser General Public License (LGPL), version 2.1 or later
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* See the lgpl.txt file in the root directory or http://www.gnu.org/licenses/lgpl-2.1.html
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*/
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package org.hibernate.orm.test.mapping.basic;
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import org.hibernate.annotations.JavaType;
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import org.hibernate.type.SqlTypes;
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import org.hibernate.type.descriptor.WrapperOptions;
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import org.hibernate.type.descriptor.java.AbstractClassJavaType;
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import org.hibernate.type.descriptor.jdbc.JdbcType;
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import org.hibernate.type.descriptor.jdbc.JdbcTypeIndicators;
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import org.hibernate.testing.orm.junit.DomainModel;
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import org.hibernate.testing.orm.junit.JiraKey;
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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.Test;
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import jakarta.persistence.Column;
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import jakarta.persistence.DiscriminatorColumn;
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import jakarta.persistence.DiscriminatorValue;
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import jakarta.persistence.Entity;
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import jakarta.persistence.GeneratedValue;
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import jakarta.persistence.Id;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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import static org.junit.jupiter.api.Assertions.assertNotNull;
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@JiraKey("HHH-16490")
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@DomainModel(annotatedClasses = {
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DiscriminatorJavaTypeTests.BaseClass.class,
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DiscriminatorJavaTypeTests.Subclass.class
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})
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@SessionFactory
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public class DiscriminatorJavaTypeTests {
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@Test
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public void testResolution(SessionFactoryScope scope) {
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scope.inTransaction(
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session -> {
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final Subclass subclass = new Subclass();
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session.persist( subclass );
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session.flush();
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session.clear();
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final BaseClass baseClass = session.find( BaseClass.class, subclass.getId() );
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assertNotNull( baseClass.getCode() );
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assertEquals( "test", baseClass.getCode().getCode() );
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}
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);
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}
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@Entity(name = "BaseClass")
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@DiscriminatorColumn(name = "code")
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public static abstract class BaseClass {
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@Id
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@GeneratedValue
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private Integer id;
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@JavaType(CodeJavaType.class)
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@Column(name = "code", nullable = false, insertable = false, updatable = false)
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private Code code;
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public Integer getId() {
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return id;
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}
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public void setId(Integer id) {
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this.id = id;
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}
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public Code getCode() {
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return code;
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}
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public void setCode(Code code) {
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this.code = code;
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}
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}
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@Entity(name = "Subclass")
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@DiscriminatorValue( "test" )
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public static class Subclass extends BaseClass {
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}
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public static class CodeJavaType extends AbstractClassJavaType<Code> {
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public CodeJavaType() {
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super( Code.class );
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}
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@Override
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public JdbcType getRecommendedJdbcType(JdbcTypeIndicators indicators) {
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return indicators.getJdbcType( SqlTypes.VARCHAR );
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}
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@Override
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public <X> X unwrap(Code value, Class<X> type, WrapperOptions options) {
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if ( value == null ) {
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return null;
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}
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if ( type == Code.class ) {
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return (X) value;
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}
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if ( type == String.class ) {
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return (X) value.getCode();
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}
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throw unknownUnwrap(type);
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}
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@Override
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public <X> Code wrap(X value, WrapperOptions options) {
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if ( value == null ) {
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return null;
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}
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if ( value instanceof Code ) {
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return (Code) value;
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}
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if ( value instanceof String ) {
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return new Code( (String) value );
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}
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throw unknownWrap(value.getClass());
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}
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}
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public static class Code {
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private String code;
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public Code(String code) {
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this.code = code;
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}
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public String getCode() {
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return code;
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}
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}
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}
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