HHH-17956 Add test for issue
This commit is contained in:
Andrea Boriero
Christian Beikov
parent
9c4baed5ae
commit
f5062b2aef
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package org.hibernate.orm.test.jpa.criteria;
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import java.util.List;
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import org.hibernate.testing.orm.junit.EntityManagerFactoryScope;
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import org.hibernate.testing.orm.junit.JiraKey;
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import org.hibernate.testing.orm.junit.Jpa;
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import org.junit.jupiter.api.BeforeAll;
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import org.junit.jupiter.api.Test;
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import jakarta.persistence.Entity;
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import jakarta.persistence.Id;
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import jakarta.persistence.criteria.CriteriaBuilder;
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import jakarta.persistence.criteria.CriteriaQuery;
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import jakarta.persistence.criteria.Root;
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import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
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@Jpa(
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annotatedClasses = {
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MultiSelectResultTypeTest.TestEntity.class
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}
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)
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@JiraKey("HHH-17956")
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public class MultiSelectResultTypeTest {
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@BeforeAll
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public static void setUp(EntityManagerFactoryScope scope) {
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scope.inTransaction(
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entityManager -> {
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TestEntity testEntity = new TestEntity( 1, "a" );
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entityManager.persist( testEntity );
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}
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);
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}
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@Test
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public void testResultOfMultiSelect(EntityManagerFactoryScope scope) {
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scope.inTransaction(
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entityManager -> {
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CriteriaBuilder cb = entityManager.getCriteriaBuilder();
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CriteriaQuery<Integer[]> q = cb.createQuery( Integer[].class );
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Root<TestEntity> r = q.from( TestEntity.class );
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q.multiselect( List.of( r.get( "id" ), r.get( "id" ) ) );
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List<Integer[]> idPairs = entityManager.createQuery( q ).getResultList();
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assertThat( idPairs.size() ).isEqualTo( 1 );
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Integer[] ids = idPairs.get( 0 );
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}
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);
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}
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@Test
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public void testResultOfMultiSelectPrimitive(EntityManagerFactoryScope scope) {
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scope.inTransaction(
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entityManager -> {
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CriteriaBuilder cb = entityManager.getCriteriaBuilder();
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CriteriaQuery<int[]> q = cb.createQuery( int[].class );
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Root<TestEntity> r = q.from( TestEntity.class );
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q.multiselect( List.of( r.get( "id" ), r.get( "id" ) ) );
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List<int[]> idPairs = entityManager.createQuery( q ).getResultList();
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assertThat( idPairs.size() ).isEqualTo( 1 );
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int[] ids = idPairs.get( 0 );
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}
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);
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}
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@Test
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public void testResultOfMultiSelect2(EntityManagerFactoryScope scope) {
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scope.inTransaction(
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entityManager -> {
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CriteriaBuilder cb = entityManager.getCriteriaBuilder();
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CriteriaQuery<Object[]> q = cb.createQuery( Object[].class );
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Root<TestEntity> r = q.from( TestEntity.class );
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q.multiselect( List.of( r.get( "id" ), r.get( "name" ) ) );
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List<Object[]> values = entityManager.createQuery( q ).getResultList();
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assertThat( values.size() ).isEqualTo( 1 );
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Object[] value = values.get( 0 );
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Integer id = (Integer) value[0];
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String name = (String) value[1];
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}
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);
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}
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@Test
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public void testResultOfSelect(EntityManagerFactoryScope scope) {
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scope.inTransaction(
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entityManager -> {
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CriteriaBuilder cb = entityManager.getCriteriaBuilder();
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CriteriaQuery<Integer> q = cb.createQuery( Integer.class );
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Root<TestEntity> r = q.from( TestEntity.class );
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q.select( r.get( "id" ) );
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List<Integer> idPairs = entityManager.createQuery( q ).getResultList();
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assertThat( idPairs.size() ).isEqualTo( 1 );
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Integer id = idPairs.get( 0 );
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}
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);
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}
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@Entity(name = "TestEntity")
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public static class TestEntity {
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@Id
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private Integer id;
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private String name;
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public TestEntity() {
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}
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public TestEntity(Integer 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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}
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}
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@ -0,0 +1,152 @@
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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.sql.exec;
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import java.io.Serializable;
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import org.hibernate.stat.spi.StatisticsImplementor;
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import org.hibernate.testing.orm.junit.DomainModel;
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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.AfterEach;
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import org.junit.jupiter.api.BeforeEach;
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import org.junit.jupiter.api.Test;
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import jakarta.persistence.EmbeddedId;
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import jakarta.persistence.Entity;
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import static org.hamcrest.CoreMatchers.equalTo;
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import static org.hamcrest.CoreMatchers.is;
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import static org.hamcrest.MatcherAssert.assertThat;
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@DomainModel(
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annotatedClasses = {
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EntityWithEmbeddedIdTest.TestEntity.class
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}
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)
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@SessionFactory(generateStatistics = true)
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public class EntityWithEmbeddedIdTest {
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private PK entityId;
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@BeforeEach
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public void setUp(SessionFactoryScope scope) {
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final TestEntity entity = new TestEntity();
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entityId = new PK( 25, "Acme" );
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scope.inTransaction(
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session -> {
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entity.setId( entityId );
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entity.setData( "test" );
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session.save( entity );
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}
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);
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}
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@AfterEach
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public void tearDown(SessionFactoryScope scope) {
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scope.inTransaction(
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sesison ->
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sesison.createQuery( "delete from TestEntity" ).executeUpdate()
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);
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}
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@Test
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public void testHqlSelectOnlyTheEmbeddedId(SessionFactoryScope scope) {
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StatisticsImplementor statistics = scope.getSessionFactory().getStatistics();
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statistics.clear();
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scope.inTransaction(
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session -> {
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final PK value = session.createQuery(
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"select e.id FROM TestEntity e",
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PK.class
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).uniqueResult();
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assertThat( value, equalTo( entityId ) );
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}
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);
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assertThat( statistics.getPrepareStatementCount(), is( 1L ) );
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}
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@Entity(name = "TestEntity")
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public static class TestEntity {
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@EmbeddedId
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PK id;
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private String data;
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public PK getId() {
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return id;
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}
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public void setId(PK id) {
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this.id = id;
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}
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public String getData() {
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return data;
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}
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public void setData(String data) {
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this.data = data;
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}
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}
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public static class PK implements Serializable {
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private Integer value1;
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private String value2;
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public PK() {
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}
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public PK(Integer value1, String value2) {
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this.value1 = value1;
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this.value2 = value2;
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}
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public Integer getValue1() {
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return value1;
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}
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public void setValue1(Integer value1) {
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this.value1 = value1;
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}
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public String getValue2() {
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return value2;
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}
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public void setValue2(String value2) {
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this.value2 = value2;
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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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final PK pk = (PK) o;
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if ( value1 != null ? !value1.equals( pk.getValue1() ) : pk.getValue1() != null ) {
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return false;
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}
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return value2 != null ? value2.equals( pk.getValue2() ) : pk.getValue2() == null;
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}
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@Override
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public int hashCode() {
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int result = value1 != null ? value1.hashCode() : 0;
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result = 31 * result + ( value2 != null ? value2.hashCode() : 0 );
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return result;
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}
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}
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}
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