HHH-18436 Add test for issue
This commit is contained in:
Marco Belladelli
parent
a784ca2027
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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.entitygraph;
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import java.util.LinkedHashSet;
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import java.util.Map;
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import java.util.Set;
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import org.hibernate.Hibernate;
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import org.hibernate.graph.spi.RootGraphImplementor;
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import org.hibernate.jpa.AvailableHints;
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import org.hibernate.testing.orm.junit.DomainModel;
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import org.hibernate.testing.orm.junit.Jira;
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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.AfterAll;
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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.CascadeType;
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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.JoinColumn;
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import jakarta.persistence.ManyToOne;
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import jakarta.persistence.NamedAttributeNode;
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import jakarta.persistence.NamedEntityGraph;
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import jakarta.persistence.NamedEntityGraphs;
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import jakarta.persistence.NamedSubgraph;
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import jakarta.persistence.OneToMany;
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import jakarta.persistence.OrderBy;
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import static org.assertj.core.api.Assertions.assertThat;
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/**
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* @author Marco Belladelli
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*/
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@DomainModel( annotatedClasses = {
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FindGraphCollectionOrderByTest.Level1.class,
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FindGraphCollectionOrderByTest.Level2.class,
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FindGraphCollectionOrderByTest.Level3.class,
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} )
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@SessionFactory
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@Jira( "https://hibernate.atlassian.net/browse/HHH-18436" )
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public class FindGraphCollectionOrderByTest {
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@Test
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public void testLoadGraphFind(SessionFactoryScope scope) {
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executeTest( scope, AvailableHints.HINT_SPEC_LOAD_GRAPH, true );
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}
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@Test
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public void testLoadGraphQuery(SessionFactoryScope scope) {
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executeTest( scope, AvailableHints.HINT_SPEC_LOAD_GRAPH, false );
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}
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@Test
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public void testFetchGraphFind(SessionFactoryScope scope) {
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executeTest( scope, AvailableHints.HINT_SPEC_FETCH_GRAPH, true );
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}
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@Test
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public void testFetchGraphQuery(SessionFactoryScope scope) {
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executeTest( scope, AvailableHints.HINT_SPEC_FETCH_GRAPH, false );
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}
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private void executeTest(SessionFactoryScope scope, String hint, boolean find) {
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scope.inTransaction( session -> {
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final RootGraphImplementor<?> graph = session.getEntityGraph( "level1_loadAll" );
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final Level1 root = find ? session.find( Level1.class, 1L, Map.of( hint, graph ) ) :
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session.createQuery( "from Level1 where id = :id", Level1.class )
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.setParameter( "id", 1L )
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.setHint( hint, graph )
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.getSingleResult();
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assertThat( root.getChildren() ).matches( Hibernate::isInitialized ).hasSize( 3 );
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long i = 1;
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for ( final Level2 child : root.getChildren() ) {
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if ( i == 2 ) {
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assertThat( child.getChildren() ).matches( Hibernate::isInitialized ).hasSize( 1 );
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}
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assertThat( child.getId() ).as( "Children not in expected order" ).isEqualTo( i++ );
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}
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} );
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}
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@BeforeAll
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public void setUp(SessionFactoryScope scope) {
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scope.inTransaction( session -> {
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final Level1 root = new Level1( 1L );
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new Level2( root, 1L );
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final Level2 child2 = new Level2( root, 2L );
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new Level2( root, 3L );
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new Level3( child2, 1L );
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session.persist( root );
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} );
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}
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@AfterAll
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public void tearDown(SessionFactoryScope scope) {
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scope.getSessionFactory().getSchemaManager().truncateMappedObjects();
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}
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@Entity( name = "Level1" )
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@NamedEntityGraphs( {
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@NamedEntityGraph(
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name = "level1_loadAll",
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attributeNodes = {
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@NamedAttributeNode( value = "children", subgraph = "subgraph.children" )
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},
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subgraphs = {
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@NamedSubgraph(
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name = "subgraph.children",
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attributeNodes = {
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@NamedAttributeNode( value = "children" )
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}
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)
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}
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)
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} )
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static class Level1 {
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@Id
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private Long id;
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@OneToMany( fetch = FetchType.LAZY,
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mappedBy = "parent",
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cascade = CascadeType.PERSIST )
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@OrderBy( "id" )
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private Set<Level2> children = new LinkedHashSet<>();
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public Level1() {
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}
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public Level1(Long id) {
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this.id = id;
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}
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public Long getId() {
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return id;
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}
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public void setId(Long id) {
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this.id = id;
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}
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public Set<Level2> getChildren() {
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return children;
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}
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}
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@Entity( name = "Level2" )
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static class Level2 {
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@Id
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Long id;
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@ManyToOne( fetch = FetchType.LAZY )
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@JoinColumn( name = "parent_id" )
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private Level1 parent;
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@OneToMany( fetch = FetchType.LAZY,
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mappedBy = "parent",
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cascade = CascadeType.PERSIST )
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@OrderBy( "id" )
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private Set<Level3> children = new LinkedHashSet<>();
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public Level2() {
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}
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public Level2(Level1 parent, Long id) {
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this.parent = parent;
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this.id = id;
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parent.getChildren().add( this );
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}
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public Long getId() {
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return id;
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}
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public void setId(Long id) {
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this.id = id;
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}
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public Level1 getParent() {
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return parent;
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}
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public void setParent(Level1 parent) {
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this.parent = parent;
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}
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public Set<Level3> getChildren() {
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return children;
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}
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}
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@Entity( name = "Level3" )
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static class Level3 {
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@Id
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Long id;
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@ManyToOne( fetch = FetchType.LAZY )
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@JoinColumn( name = "parent_id" )
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private Level2 parent;
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public Level3() {
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}
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public Level3(Level2 parent, Long id) {
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this.parent = parent;
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this.id = id;
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parent.getChildren().add( this );
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}
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public Long getId() {
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return id;
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}
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public void setId(Long id) {
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this.id = id;
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}
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public Level2 getParent() {
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return parent;
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}
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public void setParent(Level2 parent) {
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this.parent = parent;
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}
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}
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}
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