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[hibernate#2004] Test ManyToOne with IdClass
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‎hibernate-reactive-core/src/test/java/org/hibernate/reactive/ManyToOneLazyIdClassTest.java

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/* Hibernate, Relational Persistence for Idiomatic Java
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*
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* SPDX-License-Identifier: Apache-2.0
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* Copyright: Red Hat Inc. and Hibernate Authors
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*/
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package org.hibernate.reactive;
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import java.util.Collection;
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import java.util.List;
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import java.util.Objects;
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import java.util.UUID;
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import org.junit.jupiter.api.Test;
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import io.vertx.junit5.Timeout;
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import io.vertx.junit5.VertxTestContext;
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import jakarta.persistence.Column;
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import jakarta.persistence.Entity;
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import jakarta.persistence.FetchType;
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import jakarta.persistence.Id;
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import jakarta.persistence.IdClass;
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import jakarta.persistence.JoinColumn;
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import jakarta.persistence.ManyToOne;
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import jakarta.persistence.Table;
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import static java.util.concurrent.TimeUnit.MINUTES;
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import static org.assertj.core.api.Assertions.assertThat;
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@Timeout(value = 10, timeUnit = MINUTES)
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public class ManyToOneLazyIdClassTest extends BaseReactiveTest {
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@Override
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protected Collection<Class<?>> annotatedEntities() {
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return List.of( Relationship.class, EntityA.class, EntityB.class );
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}
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@Test
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public void test(VertxTestContext context) {
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final UUID aId = UUID.randomUUID();
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final EntityA entityA = new EntityA( aId, "testA" );
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final UUID bId = UUID.randomUUID();
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final EntityB entityB = new EntityB( bId, "testB" );
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final Relationship relationship = new Relationship( entityA, entityB, "testRelationship" );
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test( context, getMutinySessionFactory()
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.withTransaction( s -> s.persistAll( entityA, entityB, relationship ) )
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.chain( () -> getMutinySessionFactory().withTransaction( s -> s
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.find( EntityA.class, aId )
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.invoke( entity -> assertThat( entity ).isEqualTo( entityA ) )
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) )
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.chain( () -> getMutinySessionFactory().withTransaction( s -> s
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.find( EntityB.class, bId )
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.invoke( entity -> assertThat( entity ).isEqualTo( entityB ) )
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) )
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.chain( () -> getMutinySessionFactory().withTransaction( s -> s.find(
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Relationship.class,
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new RelationshipId( aId, bId )
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) ) )
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);
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}
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@Entity
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@Table(name = "entity_a")
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public static class EntityA {
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@Id
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@Column(name = "id")
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private UUID id;
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@Column(name = "name")
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private String name;
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public EntityA(UUID id, String name) {
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this.id = id;
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this.name = name;
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}
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public EntityA() {
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}
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public UUID getId() {
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return id;
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}
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public void setId(UUID id) {
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this.id = id;
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}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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@Override
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public String toString() {
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return id + ":" + name;
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}
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@Override
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public boolean equals(Object o) {
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if ( this == o ) {
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return true;
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}
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if ( o == null || getClass() != o.getClass() ) {
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return false;
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}
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EntityA entityA = (EntityA) o;
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return Objects.equals( id, entityA.id ) && Objects.equals( name, entityA.name );
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}
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@Override
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public int hashCode() {
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return Objects.hash( id, name );
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}
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}
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@Entity
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@Table(name = "entity_b")
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public static class EntityB {
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@Id
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@Column(name = "id")
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private UUID id;
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@Column(name = "name")
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private String name;
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public EntityB(UUID id, String name) {
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this.id = id;
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this.name = name;
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}
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public EntityB() {
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}
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public UUID getId() {
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return id;
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}
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public void setId(UUID id) {
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this.id = id;
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}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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@Override
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public String toString() {
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return id + ":" + name;
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}
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@Override
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public boolean equals(Object o) {
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if ( this == o ) {
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return true;
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}
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if ( o == null || getClass() != o.getClass() ) {
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return false;
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}
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EntityB entityB = (EntityB) o;
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return Objects.equals( id, entityB.id ) && Objects.equals( name, entityB.name );
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}
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@Override
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public int hashCode() {
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return Objects.hash( id, name );
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}
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}
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@Entity( name = "Relationship")
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@Table(name = "relationship")
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@IdClass(RelationshipId.class)
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public static class Relationship {
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@Id
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@ManyToOne(fetch = FetchType.LAZY)
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@JoinColumn(name = "a_id", referencedColumnName = "id")
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private EntityA entityA;
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@Id
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@ManyToOne(fetch = FetchType.LAZY)
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@JoinColumn(name = "b_id", referencedColumnName = "id")
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private EntityB entityB;
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@Column(name = "dataField")
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private String dataField;
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public Relationship(EntityA entityA, EntityB entityB, String dataField) {
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this.entityA = entityA;
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this.entityB = entityB;
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this.dataField = dataField;
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}
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public Relationship() {
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}
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public EntityA getEntityA() {
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return entityA;
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}
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public void setEntityA(EntityA entityA) {
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this.entityA = entityA;
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}
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public EntityB getEntityB() {
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return entityB;
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}
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public void setEntityB(EntityB entityB) {
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this.entityB = entityB;
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}
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public String getDataField() {
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return dataField;
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}
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public void setDataField(String dataField) {
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this.dataField = dataField;
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}
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@Override
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public String toString() {
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return entityA + "-" + entityB + ":" + dataField;
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}
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@Override
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public boolean equals(Object obj) {
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if ( this == obj ) {
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return true;
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}
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if ( !( obj instanceof Relationship ) ) {
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return false;
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}
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Relationship other = (Relationship) obj;
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if ( entityA == null
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|| other.getEntityA() == null
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|| entityB == null
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|| other.getEntityB() == null
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) {
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return false;
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}
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return entityA.equals( other.getEntityA() )
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&& entityB.equals( other.getEntityB() );
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}
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@Override
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public int hashCode() {
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return Objects.hash( entityA, entityB );
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}
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}
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public static class RelationshipId {
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private UUID entityA;
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private UUID entityB;
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public RelationshipId() {
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}
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public RelationshipId(UUID entityA, UUID entityB) {
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this.entityA = entityA;
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this.entityB = entityB;
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}
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public UUID getEntityA() {
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return entityA;
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}
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public void setEntityA(UUID entityA) {
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this.entityA = entityA;
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}
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public UUID getEntityB() {
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return entityB;
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}
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public void setEntityB(UUID entityB) {
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this.entityB = entityB;
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}
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@Override
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public String toString() {
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return entityA + ":" + entityB;
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}
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@Override
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public boolean equals(Object obj) {
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if ( this == obj ) {
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return true;
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}
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if ( !( obj instanceof RelationshipId ) ) {
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return false;
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}
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RelationshipId other = (RelationshipId) obj;
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if ( entityA == null
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|| other.getEntityA() == null
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|| entityB == null
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|| other.getEntityB() == null
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) {
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return false;
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}
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return entityA.equals( other.getEntityA() )
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&& entityB.equals( other.getEntityB() );
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}
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@Override
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public int hashCode() {
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return Objects.hash( entityA, entityB );
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}
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}
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}

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