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...core/src/test/java/org/hibernate/orm/test/polymorphic/PolymorphicQueriesWithJoinTest.java
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package org.hibernate.orm.test.polymorphic; | ||
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import java.util.HashSet; | ||
import java.util.List; | ||
import java.util.Set; | ||
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import org.hibernate.testing.TestForIssue; | ||
import org.hibernate.testing.orm.junit.DomainModel; | ||
import org.hibernate.testing.orm.junit.SessionFactory; | ||
import org.hibernate.testing.orm.junit.SessionFactoryScope; | ||
import org.junit.jupiter.api.BeforeAll; | ||
import org.junit.jupiter.api.Test; | ||
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import jakarta.persistence.Entity; | ||
import jakarta.persistence.GeneratedValue; | ||
import jakarta.persistence.GenerationType; | ||
import jakarta.persistence.Id; | ||
import jakarta.persistence.ManyToMany; | ||
import jakarta.persistence.ManyToOne; | ||
import jakarta.persistence.OneToMany; | ||
import jakarta.persistence.TypedQuery; | ||
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@DomainModel( | ||
annotatedClasses = { | ||
PolymorphicQueriesWithJoinTest.Person.class, | ||
PolymorphicQueriesWithJoinTest.Dog.class, | ||
PolymorphicQueriesWithJoinTest.Cat.class | ||
} | ||
) | ||
@SessionFactory | ||
@TestForIssue(jiraKey = "HHH-15944") | ||
public class PolymorphicQueriesWithJoinTest { | ||
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public static final Long PERSON_ID = 1l; | ||
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@BeforeAll | ||
public void setUp(SessionFactoryScope scope) { | ||
scope.inTransaction( | ||
session -> { | ||
Person owner = new Person( PERSON_ID ); | ||
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Cat cat = new Cat(); | ||
Dog dog = new Dog(); | ||
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cat.addToOwners( owner ); | ||
dog.addToOwners( owner ); | ||
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session.persist( owner ); | ||
session.persist( cat ); | ||
session.persist( dog ); | ||
} | ||
); | ||
} | ||
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@Test | ||
public void testSelect(SessionFactoryScope scope) { | ||
scope.inTransaction( | ||
session -> { | ||
List<Animal> animals = session | ||
.createQuery( | ||
"SELECT an FROM org.hibernate.orm.test.polymorphic.PolymorphicQueriesWithJoinTest$Animal an", | ||
Animal.class | ||
) | ||
.getResultList(); | ||
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} | ||
); | ||
} | ||
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@Test | ||
public void testSelectWithJoin(SessionFactoryScope scope) { | ||
scope.inTransaction( | ||
session -> { | ||
List<Person> owners = session | ||
.createQuery( | ||
"SELECT p FROM org.hibernate.orm.test.polymorphic.PolymorphicQueriesWithJoinTest$Animal an JOIN an.owners p", | ||
Person.class | ||
) | ||
.getResultList(); | ||
} | ||
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); | ||
} | ||
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@Test | ||
public void testSelectWithFetchJoin(SessionFactoryScope scope) { | ||
scope.inTransaction( | ||
session -> { | ||
List<Animal> animals = session | ||
.createQuery( | ||
"SELECT an FROM org.hibernate.orm.test.polymorphic.PolymorphicQueriesWithJoinTest$Animal an JOIN FETCH an.owners p", | ||
Animal.class | ||
) | ||
.getResultList(); | ||
} | ||
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); | ||
} | ||
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@Test | ||
public void testSelectWithWhereClause(SessionFactoryScope scope) { | ||
scope.inTransaction( | ||
session -> { | ||
Person owner = session.find( Person.class, PERSON_ID ); | ||
TypedQuery<Animal> query = session.createQuery( | ||
"SELECT an FROM org.hibernate.orm.test.polymorphic.PolymorphicQueriesWithJoinTest$Animal an WHERE :owner = some elements(an.owners) ", | ||
Animal.class | ||
); | ||
query.setParameter( "owner", owner ); | ||
List<Animal> animals = query.getResultList(); | ||
} | ||
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); | ||
} | ||
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@Entity(name = "Person") | ||
public static class Person { | ||
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@Id | ||
private long id; | ||
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private String name; | ||
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public Person() { | ||
} | ||
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public Person(long id) { | ||
this.id = id; | ||
} | ||
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public long getId() { | ||
return this.id; | ||
} | ||
} | ||
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public interface Animal { | ||
Set<Person> getOwners(); | ||
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void addToOwners(Person person); | ||
} | ||
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@Entity(name = "Cat") | ||
public static class Cat implements Animal { | ||
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@Id | ||
@GeneratedValue(strategy = GenerationType.IDENTITY) | ||
private long id; | ||
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private String name; | ||
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@ManyToMany | ||
private Set<Person> owners = new HashSet<>(); | ||
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@Override | ||
public Set<Person> getOwners() { | ||
return this.owners; | ||
} | ||
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@Override | ||
public void addToOwners(Person person) { | ||
owners.add( person ); | ||
} | ||
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} | ||
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@Entity(name = "Dog") | ||
public static class Dog implements Animal { | ||
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@Id | ||
@GeneratedValue(strategy = GenerationType.IDENTITY) | ||
private long id; | ||
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private String name; | ||
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@ManyToMany | ||
private Set<Person> owners = new HashSet<>(); | ||
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@Override | ||
public Set<Person> getOwners() { | ||
return this.owners; | ||
} | ||
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@Override | ||
public void addToOwners(Person person) { | ||
owners.add( person ); | ||
} | ||
} | ||
} |