HHH-12541: Test for SAP HANA calculation views
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Jonathan Bregler
Vlad Mihalcea
parent
8fcdbb35e6
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757eedadb9
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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.test.dialect.functional;
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import static org.hibernate.testing.transaction.TransactionUtil.doInHibernate;
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import static org.junit.Assert.assertEquals;
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import java.sql.PreparedStatement;
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import java.util.List;
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import javax.persistence.Entity;
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import javax.persistence.Id;
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import javax.persistence.Table;
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import javax.persistence.criteria.CriteriaBuilder;
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import javax.persistence.criteria.CriteriaQuery;
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import javax.persistence.criteria.Root;
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import org.hibernate.Session;
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import org.hibernate.dialect.AbstractHANADialect;
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import org.hibernate.query.Query;
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import org.hibernate.testing.RequiresDialect;
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import org.hibernate.testing.TestForIssue;
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import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
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import org.junit.Test;
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@RequiresDialect(value = { AbstractHANADialect.class })
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public class HANACalcViewTest extends BaseCoreFunctionalTestCase {
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private static final String CALC_VIEW_NAME = "DUMMY_CV_VIEW";
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private static final String CALC_SCENARIO_NAME = "DUMMY_CV_SCEN";
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private static final String PROJECTION_NODE_NAME = "DUMMY_PROJ";
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@Override
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protected void afterSessionFactoryBuilt() {
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doInHibernate( this::sessionFactory, session -> {
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session.doWork( connection -> {
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try ( PreparedStatement ps = connection
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.prepareStatement( "CREATE CALCULATION SCENARIO " + CALC_SCENARIO_NAME + " USING '<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n" +
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"<cubeSchema version=\"2\" operation=\"createCalculationScenario\">\r\n" +
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"<calculationScenario>\r\n" +
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" <dataSources>\r\n" +
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" <tableDataSource name=\"DUMMY_DS\" schema=\"SYS\" table=\"DUMMY\">\r\n" +
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" <attributes>\r\n" +
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" <allAttribute/>\r\n" +
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" </attributes>\r\n" +
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" </tableDataSource>\r\n" +
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" </dataSources>\r\n" +
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" <calculationViews>\r\n" +
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" <projection name=\"" + PROJECTION_NODE_NAME + "\" defaultViewFlag=\"true\">\r\n" +
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" <inputs>\r\n" +
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" <input name=\"DUMMY_DS\" />\r\n" +
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" </inputs>\r\n" +
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" <attributes>\r\n" +
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" <allAttribute />\r\n" +
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" <calculatedAttribute name=\"DUMMYDUMMY\" datatype=\"string\" isViewAttribute=\"true\">\r\n" +
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" <formula>\"DUMMY\" + \"DUMMY\"</formula>\r\n" +
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" </calculatedAttribute>\r\n" +
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" <calculatedAttribute name=\"DUMMYDOUBLE\" datatype=\"double\" isViewAttribute=\"true\">\r\n" +
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" <formula>strlen(\"DUMMY\") * 1.5</formula>\r\n" +
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" </calculatedAttribute>\r\n" +
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" <calculatedAttribute name=\"DUMMYINT\" datatype=\"int\" isViewAttribute=\"true\">\r\n" +
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" <formula>strlen(\"DUMMY\") + 1</formula>\r\n" +
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" </calculatedAttribute>\r\n" +
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" </attributes>\r\n" +
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" </projection>\r\n" +
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" </calculationViews>\r\n" +
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"</calculationScenario>\r\n" +
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"</cubeSchema>'" ) ) {
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ps.execute();
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}
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try ( PreparedStatement ps = connection
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.prepareStatement(
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"CREATE COLUMN VIEW " + CALC_VIEW_NAME + " TYPE CALCULATION WITH PARAMETERS ('PARENTCALCINDEX'='" + CALC_SCENARIO_NAME
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+ "', 'PARENTCALCNODE'='" + PROJECTION_NODE_NAME + "')" ) ) {
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ps.execute();
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}
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} );
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} );
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}
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@Override
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protected void releaseSessionFactory() {
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doInHibernate( this::sessionFactory, session -> {
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session.doWork( connection -> {
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try ( PreparedStatement ps = connection.prepareStatement( "DROP CALCULATION SCENARIO " + CALC_SCENARIO_NAME + " CASCADE" ) ) {
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ps.execute();
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}
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catch (Exception e) {
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// Ignore
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}
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} );
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} );
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super.releaseSessionFactory();
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}
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@Override
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protected Class<?>[] getAnnotatedClasses() {
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return new Class<?>[]{ CVEntity.class };
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}
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@Override
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protected boolean createSchema() {
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return false;
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}
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@Test
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@TestForIssue(jiraKey = "HHH-12541")
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public void testCalcViewEntity() throws Exception {
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Session s = openSession();
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CVEntity cvEntity = s.find( CVEntity.class, "X" );
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assertEquals( "X", cvEntity.getDummy() );
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assertEquals( "XX", cvEntity.getDummydummy() );
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assertEquals( 2, cvEntity.getDummyint() );
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assertEquals( 1.5, cvEntity.getDummydouble(), 0.1 );
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}
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@Test
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@TestForIssue(jiraKey = "HHH-12541")
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public void testCalcViewEntityQuery() throws Exception {
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Session s = openSession();
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Query<CVEntity> query = s.createQuery( "select e from HANACalcViewTest$CVEntity e", CVEntity.class );
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List<CVEntity> list = query.list();
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assertEquals( 1, list.size() );
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CVEntity cvEntity = list.get( 0 );
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assertEquals( "X", cvEntity.getDummy() );
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assertEquals( "XX", cvEntity.getDummydummy() );
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assertEquals( 2, cvEntity.getDummyint() );
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assertEquals( 1.5, cvEntity.getDummydouble(), 0.1 );
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}
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@Test
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@TestForIssue(jiraKey = "HHH-12541")
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public void testCalcViewEntityCriteriaQuery() throws Exception {
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Session s = openSession();
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CriteriaBuilder criteriaBuilder = s.getCriteriaBuilder();
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CriteriaQuery<CVEntity> criteriaQuery = criteriaBuilder.createQuery( CVEntity.class );
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Root<CVEntity> from = criteriaQuery.from( CVEntity.class );
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criteriaQuery.where( criteriaBuilder.equal( from.get( "dummydummy" ), "XX" ) );
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Query<CVEntity> query = this.session.createQuery( criteriaQuery );
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List<CVEntity> list = query.list();
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assertEquals( 1, list.size() );
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CVEntity cvEntity = list.get( 0 );
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assertEquals( "X", cvEntity.getDummy() );
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assertEquals( "XX", cvEntity.getDummydummy() );
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assertEquals( 2, cvEntity.getDummyint() );
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assertEquals( 1.5, cvEntity.getDummydouble(), 0.1 );
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}
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@Test
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@TestForIssue(jiraKey = "HHH-12541")
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public void testCalcViewDTO() throws Exception {
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Session s = openSession();
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Query<CVEntityDTO> query = s.createQuery(
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"select new org.hibernate.test.dialect.functional.HANACalcViewTest$CVEntityDTO(e.dummyint, e.dummy) from HANACalcViewTest$CVEntity e",
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CVEntityDTO.class );
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List<CVEntityDTO> list = query.list();
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assertEquals( 1, list.size() );
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CVEntityDTO cvEntity = list.get( 0 );
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assertEquals( "X", cvEntity.getDummy() );
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assertEquals( 2, cvEntity.getDummyint() );
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}
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@Entity
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@Table(name = CALC_VIEW_NAME)
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private static class CVEntity {
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private String dummydummy;
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private double dummydouble;
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private int dummyint;
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@Id
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private String dummy;
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public String getDummydummy() {
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return this.dummydummy;
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}
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public double getDummydouble() {
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return this.dummydouble;
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}
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public int getDummyint() {
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return this.dummyint;
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}
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public String getDummy() {
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return this.dummy;
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}
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}
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private static class CVEntityDTO {
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private int dummyint;
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private String dummy;
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@SuppressWarnings("unused")
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public CVEntityDTO(int dummyint, String dummy) {
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this.dummyint = dummyint;
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this.dummy = dummy;
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}
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public int getDummyint() {
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return this.dummyint;
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}
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public String getDummy() {
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return this.dummy;
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}
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}
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}
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