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...va/org/hibernate/orm/test/annotations/generics/GenericMappedSuperclassNestedJoinTest.java
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/* | ||
* 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.annotations.generics; | ||
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import java.util.List; | ||
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import org.hibernate.metamodel.model.domain.ManagedDomainType; | ||
import org.hibernate.query.sqm.tree.domain.SqmPath; | ||
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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; | ||
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import jakarta.persistence.Entity; | ||
import jakarta.persistence.Id; | ||
import jakarta.persistence.ManyToOne; | ||
import jakarta.persistence.MappedSuperclass; | ||
import jakarta.persistence.criteria.CriteriaBuilder; | ||
import jakarta.persistence.criteria.CriteriaQuery; | ||
import jakarta.persistence.criteria.Join; | ||
import jakarta.persistence.criteria.Root; | ||
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import static org.assertj.core.api.Assertions.assertThat; | ||
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/** | ||
* @author Marco Belladelli | ||
*/ | ||
@DomainModel( annotatedClasses = { | ||
GenericMappedSuperclassNestedJoinTest.Selection.class, | ||
GenericMappedSuperclassNestedJoinTest.SelectionProductRule.class, | ||
GenericMappedSuperclassNestedJoinTest.SelectionProductRuleProductLink.class, | ||
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} ) | ||
@SessionFactory | ||
@Jira( "https://hibernate.atlassian.net/browse/HHH-17606" ) | ||
public class GenericMappedSuperclassNestedJoinTest { | ||
@BeforeAll | ||
public void setUp(SessionFactoryScope scope) { | ||
scope.inTransaction( session -> { | ||
final Selection s1 = new Selection(); | ||
s1.id = 1L; | ||
s1.ident = "s1"; | ||
session.persist( s1 ); | ||
final SelectionProductRule s2 = new SelectionProductRule(); | ||
s2.id = 2L; | ||
s2.ident = 2; | ||
s2.parent = s1; | ||
session.persist( s2 ); | ||
final SelectionProductRuleProductLink s3 = new SelectionProductRuleProductLink(); | ||
s3.id = 3L; | ||
s3.parent = s2; | ||
session.persist( s3 ); | ||
} ); | ||
} | ||
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@AfterAll | ||
public void tearDown(SessionFactoryScope scope) { | ||
scope.inTransaction( session -> { | ||
session.createMutationQuery( "delete from SelectionProductRuleProductLink" ).executeUpdate(); | ||
session.createMutationQuery( "delete from SelectionProductRule" ).executeUpdate(); | ||
session.createMutationQuery( "delete from Selection" ).executeUpdate(); | ||
} ); | ||
} | ||
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@Test | ||
public void testSimpleGenericJoin(SessionFactoryScope scope) { | ||
scope.inTransaction( session -> { | ||
final List<Integer> resultList = session.createQuery( | ||
"select p1.ident from SelectionProductRuleProductLink s join s.parent p1", | ||
Integer.class | ||
).getResultList(); | ||
assertThat( resultList ).containsOnly( 2 ); | ||
} ); | ||
} | ||
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@Test | ||
public void testSimpleGenericJoinCriteria(SessionFactoryScope scope) { | ||
scope.inTransaction( session -> { | ||
final CriteriaBuilder cb = session.getCriteriaBuilder(); | ||
final CriteriaQuery<Integer> cq = cb.createQuery( Integer.class ); | ||
final Root<SelectionProductRuleProductLink> root = cq.from( SelectionProductRuleProductLink.class ); | ||
final Join<SelectionProductRuleProductLink, Object> parent = root.join( "parent" ); | ||
assertThat( parent.getJavaType() ).isEqualTo( SeqOrderLinkObjectWithUserContext.class ); | ||
assertThat( parent.getModel() ).isSameAs( root.getModel().getAttribute( "parent" ) ); | ||
assertThat( ( (SqmPath<?>) parent ).getResolvedModel().getBindableJavaType() ) | ||
.isEqualTo( SelectionProductRule.class ); | ||
final List<Integer> resultList = session.createQuery( cq.select( parent.get( "ident" ) ) ).getResultList(); | ||
assertThat( resultList ).containsOnly( 2 ); | ||
} ); | ||
} | ||
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@Test | ||
public void testNestedGenericJoin(SessionFactoryScope scope) { | ||
scope.inTransaction( session -> { | ||
final List<String> resultList = session.createQuery( | ||
"select p2.ident from SelectionProductRuleProductLink s join s.parent p1 join p1.parent p2", | ||
String.class | ||
).getResultList(); | ||
assertThat( resultList ).containsOnly( "s1" ); | ||
} ); | ||
} | ||
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@Test | ||
public void testNestedGenericJoinCriteria(SessionFactoryScope scope) { | ||
scope.inTransaction( session -> { | ||
final CriteriaBuilder cb = session.getCriteriaBuilder(); | ||
final CriteriaQuery<String> cq = cb.createQuery( String.class ); | ||
final Root<SelectionProductRuleProductLink> root = cq.from( SelectionProductRuleProductLink.class ); | ||
final Join<SelectionProductRuleProductLink, ?> p1 = root.join( "parent" ); | ||
assertThat( p1.getJavaType() ).isEqualTo( SeqOrderLinkObjectWithUserContext.class ); | ||
assertThat( p1.getModel() ).isSameAs( root.getModel().getAttribute( "parent" ) ); | ||
assertThat( ( (SqmPath<?>) p1 ).getResolvedModel().getBindableJavaType() ) | ||
.isEqualTo( SelectionProductRule.class ); | ||
final Join<Object, Object> p2 = p1.join( "parent" ); | ||
assertThat( p2.getJavaType() ).isEqualTo( SimpleObject.class ); | ||
final ManagedDomainType<?> joinType = (ManagedDomainType<?>) ( (SqmPath<?>) p1 ).getReferencedPathSource() | ||
.getSqmPathType(); | ||
assertThat( p2.getModel() ).isSameAs( joinType.getAttribute( "parent" ) ); | ||
assertThat( ( (SqmPath<?>) p2 ).getResolvedModel().getBindableJavaType() ) | ||
.isEqualTo( Selection.class ); | ||
final List<String> resultList = session.createQuery( cq.select( p2.get( "ident" ) ) ).getResultList(); | ||
assertThat( resultList ).containsOnly( "s1" ); | ||
} ); | ||
} | ||
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@MappedSuperclass | ||
public static abstract class SimpleObject { | ||
@Id | ||
protected Long id; | ||
} | ||
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@MappedSuperclass | ||
public abstract static class CommonLinkObject<T extends SimpleObject> extends SimpleObject { | ||
@ManyToOne | ||
protected T parent; | ||
} | ||
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@MappedSuperclass | ||
public abstract static class SeqOrderLinkObject<T extends SimpleObject> extends CommonLinkObject<T> { | ||
} | ||
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@MappedSuperclass | ||
public abstract static class SeqOrderLinkObjectWithUserContext<T extends SimpleObject> | ||
extends SeqOrderLinkObject<T> { | ||
} | ||
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@Entity( name = "Selection" ) | ||
public static class Selection extends SimpleObject { | ||
private String ident; | ||
} | ||
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@Entity( name = "SelectionProductRule" ) | ||
public static class SelectionProductRule extends SeqOrderLinkObjectWithUserContext<Selection> { | ||
private Integer ident; | ||
} | ||
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@MappedSuperclass | ||
public abstract static class AbsProductRuleProductLink<T extends SeqOrderLinkObjectWithUserContext<?>> | ||
extends SimpleObject { | ||
@ManyToOne | ||
protected T parent; | ||
} | ||
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@Entity( name = "SelectionProductRuleProductLink" ) | ||
public static class SelectionProductRuleProductLink extends AbsProductRuleProductLink<SelectionProductRule> { | ||
} | ||
} |