HHH-16210 Add test for issue
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Marco Belladelli
Christian Beikov
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f8494fa097
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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.mapping.onetomany;
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import java.util.ArrayList;
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import java.util.List;
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import org.hibernate.Hibernate;
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import org.hibernate.testing.jdbc.SQLStatementInspector;
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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.GeneratedValue;
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import jakarta.persistence.Id;
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import jakarta.persistence.JoinColumn;
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import jakarta.persistence.OneToMany;
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import jakarta.persistence.Table;
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import static org.assertj.core.api.Assertions.assertThat;
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@SessionFactory( useCollectingStatementInspector = true )
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@DomainModel( annotatedClasses = {
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NestedOneToManyFetchTest.Role.class,
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NestedOneToManyFetchTest.Permission.class,
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NestedOneToManyFetchTest.Operation.class
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} )
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@Jira( "https://hibernate.atlassian.net/browse/HHH-16210" )
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public class NestedOneToManyFetchTest {
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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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session.persist( new Role( "TEST_ROLE" ) );
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session.persist( new Permission( "TEST_ROLE", "scope_1" ) );
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session.persist( new Permission( "TEST_ROLE", "scope_2" ) );
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session.persist( new Operation( "scope_1", "CREATE" ) );
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session.persist( new Operation( "scope_1", "UPDATE" ) );
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session.persist( new Operation( "scope_1", "DELETE" ) );
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session.persist( new Operation( "scope_2", "CREATE" ) );
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session.persist( new Operation( "scope_2", "UPDATE" ) );
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session.persist( new Operation( "scope_2", "DELETE" ) );
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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.inTransaction( session -> {
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session.createMutationQuery( "delete from Operation" ).executeUpdate();
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session.createMutationQuery( "delete from Permission" ).executeUpdate();
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session.createMutationQuery( "delete from Role" ).executeUpdate();
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} );
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}
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@Test
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public void testFind(SessionFactoryScope scope) {
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final SQLStatementInspector statementInspector = scope.getCollectingStatementInspector();
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scope.inTransaction( session -> {
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final Role role = session.find( Role.class, 1L );
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statementInspector.clear();
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assertTestResults( role.getPermissions(), statementInspector, false );
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} );
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}
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@Test
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public void testQuery(SessionFactoryScope scope) {
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final SQLStatementInspector statementInspector = scope.getCollectingStatementInspector();
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scope.inTransaction( session -> {
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final Role role = session.createQuery( "from Role r", Role.class ).getSingleResult();
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statementInspector.clear();
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assertTestResults( role.getPermissions(), statementInspector, false );
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} );
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}
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@Test
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public void testQueryExplicitJoinFetch(SessionFactoryScope scope) {
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final SQLStatementInspector statementInspector = scope.getCollectingStatementInspector();
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statementInspector.clear();
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scope.inTransaction( session -> {
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final Role role = session.createQuery(
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"from Role r join fetch r.permissions p join p.operations",
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Role.class
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).getSingleResult();
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assertThat( role.getPermissions() ).hasSize( 6 ); // child elements are duplicated here
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statementInspector.assertNumberOfJoins( 0, 2 );
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statementInspector.assertExecutedCount( 3 );
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for ( Permission p : role.getPermissions() ) {
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assertThat( Hibernate.isInitialized( p.getOperations() ) ).isTrue();
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assertThat( p.getOperations() ).hasSize( 3 );
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}
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} );
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}
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@Test
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public void testChildQuery(SessionFactoryScope scope) {
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final SQLStatementInspector statementInspector = scope.getCollectingStatementInspector();
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statementInspector.clear();
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scope.inTransaction( session -> {
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final List<Permission> resultList = session.createQuery(
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"from Permission p",
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Permission.class
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).getResultList();
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assertTestResults( resultList, statementInspector, false );
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} );
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}
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@Test
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public void testChildQueryExplicitJoinFetch(SessionFactoryScope scope) {
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final SQLStatementInspector statementInspector = scope.getCollectingStatementInspector();
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statementInspector.clear();
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scope.inTransaction( session -> {
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final List<Permission> resultList = session.createQuery(
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"from Permission p join fetch p.operations",
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Permission.class
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).getResultList();
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assertTestResults( resultList, statementInspector, true );
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} );
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}
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private void assertTestResults(
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List<Permission> permissions,
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SQLStatementInspector statementInspector,
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boolean shouldJoin) {
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assertThat( permissions ).hasSize( 2 );
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if ( shouldJoin ) {
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statementInspector.assertNumberOfJoins( 0, 1 );
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statementInspector.assertExecutedCount( 1 );
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}
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else {
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statementInspector.assertNumberOfJoins( 0, 0 );
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statementInspector.assertExecutedCount( 3 ); // 1 for permissions, 2 for each permission.operation
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}
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assertThat( Hibernate.isInitialized( permissions.get( 0 ).getOperations() ) ).isTrue();
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assertThat( permissions.get( 0 ).getOperations() ).hasSize( 3 );
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assertThat( Hibernate.isInitialized( permissions.get( 1 ).getOperations() ) ).isTrue();
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assertThat( permissions.get( 1 ).getOperations() ).hasSize( 3 );
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}
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@Entity( name = "Role" )
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@Table( name = "roles" )
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public static class Role {
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@Id
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@GeneratedValue
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private Long id;
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private String name;
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@OneToMany( cascade = CascadeType.ALL, fetch = FetchType.LAZY )
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@JoinColumn( name = "roleName", referencedColumnName = "name" )
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private List<Permission> permissions = new ArrayList<>();
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public Role() {
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}
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public Role(String name) {
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this.name = name;
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}
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public List<Permission> getPermissions() {
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return permissions;
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}
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}
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@Entity( name = "Permission" )
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@Table( name = "permissions" )
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public static class Permission {
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@Id
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@GeneratedValue
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private Long id;
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private String roleName;
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private String scopeName;
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@OneToMany( cascade = CascadeType.ALL, fetch = FetchType.EAGER )
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@JoinColumn( name = "scopeName", referencedColumnName = "scopeName" )
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private List<Operation> operations = new ArrayList<>();
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public Permission() {
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}
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public Permission(String roleName, String scopeName) {
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this.roleName = roleName;
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this.scopeName = scopeName;
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}
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public List<Operation> getOperations() {
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return operations;
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}
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}
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@Entity( name = "Operation" )
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@Table( name = "operations" )
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public static class Operation {
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@Id
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@GeneratedValue
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private Long id;
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private String scopeName;
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private String operationName;
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public Operation() {
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}
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public Operation(String scopeName, String operationName) {
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this.scopeName = scopeName;
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this.operationName = operationName;
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}
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}
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}
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