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...rm/test/query/hql/instantiation/DynamicInstantiationWithJoinAndGroupAndOrderByByTest.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.query.hql.instantiation; | ||
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import java.util.List; | ||
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import org.hibernate.testing.orm.junit.DomainModel; | ||
import org.hibernate.testing.orm.junit.JiraKey; | ||
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.GeneratedValue; | ||
import jakarta.persistence.Id; | ||
import jakarta.persistence.ManyToOne; | ||
import jakarta.persistence.TypedQuery; | ||
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import static org.junit.jupiter.api.Assertions.assertEquals; | ||
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/** | ||
* @author Marco Belladelli | ||
*/ | ||
@SessionFactory | ||
@DomainModel(annotatedClasses = { | ||
DynamicInstantiationWithJoinAndGroupAndOrderByByTest.Item.class, | ||
DynamicInstantiationWithJoinAndGroupAndOrderByByTest.ItemSale.class | ||
}) | ||
@JiraKey("HHH-15998") | ||
public class DynamicInstantiationWithJoinAndGroupAndOrderByByTest { | ||
@BeforeAll | ||
public void setUp(SessionFactoryScope scope) { | ||
scope.inTransaction( session -> { | ||
Item item1 = new Item(); | ||
item1.setName( "Item 1" ); | ||
session.persist( item1 ); | ||
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Item item2 = new Item(); | ||
item2.setName( "Item 2" ); | ||
session.persist( item2 ); | ||
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ItemSale itemSale11 = new ItemSale(); | ||
itemSale11.setItem( item1 ); | ||
itemSale11.setTotal( 1d ); | ||
session.persist( itemSale11 ); | ||
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ItemSale itemSale12 = new ItemSale(); | ||
itemSale12.setItem( item1 ); | ||
itemSale12.setTotal( 2d ); | ||
session.persist( itemSale12 ); | ||
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ItemSale itemSale21 = new ItemSale(); | ||
itemSale21.setItem( item2 ); | ||
itemSale21.setTotal( 5d ); | ||
session.persist( itemSale21 ); | ||
} ); | ||
} | ||
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@AfterAll | ||
public void tearDown(SessionFactoryScope scope) { | ||
scope.inTransaction( session -> { | ||
session.createMutationQuery( "delete from ItemSale" ).executeUpdate(); | ||
session.createMutationQuery( "delete from Item" ).executeUpdate(); | ||
} ); | ||
} | ||
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@Test | ||
public void testInstantiationGroupByAndOrderBy(SessionFactoryScope scope) { | ||
scope.inTransaction( session -> { | ||
TypedQuery<Summary> query = session.createQuery( | ||
"select new " + getClass().getName() + "$Summary(i, sum(is.total))" + | ||
" from ItemSale is" + | ||
" join is.item i" + | ||
" group by i" + | ||
" order by i" | ||
, | ||
Summary.class | ||
); | ||
List<Summary> resultList = query.getResultList(); | ||
assertEquals( 2, resultList.size() ); | ||
assertEquals( "Item 1", resultList.get( 0 ).getItem().getName() ); | ||
assertEquals( 3d, resultList.get( 0 ).getTotal() ); | ||
assertEquals( "Item 2", resultList.get( 1 ).getItem().getName() ); | ||
assertEquals( 5d, resultList.get( 1 ).getTotal() ); | ||
} ); | ||
} | ||
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@Entity(name = "Item") | ||
public static class Item { | ||
@Id | ||
@GeneratedValue | ||
private Long id; | ||
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private String name; | ||
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public Long getId() { | ||
return id; | ||
} | ||
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public String getName() { | ||
return name; | ||
} | ||
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public void setName(String name) { | ||
this.name = name; | ||
} | ||
} | ||
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@Entity(name = "ItemSale") | ||
public static class ItemSale { | ||
@Id | ||
@GeneratedValue | ||
private Long id; | ||
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@ManyToOne(optional = false) | ||
private Item item; | ||
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private Double total; | ||
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public Long getId() { | ||
return id; | ||
} | ||
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public Item getItem() { | ||
return item; | ||
} | ||
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public void setItem(Item item) { | ||
this.item = item; | ||
} | ||
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public Double getTotal() { | ||
return total; | ||
} | ||
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public void setTotal(Double total) { | ||
this.total = total; | ||
} | ||
} | ||
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public static class Summary { | ||
private final Item item; | ||
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private final Double total; | ||
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private Summary(Item item, Double total) { | ||
this.item = item; | ||
this.total = total; | ||
} | ||
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public Item getItem() { | ||
return item; | ||
} | ||
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public Double getTotal() { | ||
return total; | ||
} | ||
} | ||
} |