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package org.apache.cayenne.access;
import static org.junit.Assert.assertEquals;
import java.sql.Types;
import java.util.List;
import org.apache.cayenne.ObjectContext;
import org.apache.cayenne.di.Inject;
import org.apache.cayenne.query.EJBQLQuery;
import org.apache.cayenne.test.jdbc.DBHelper;
import org.apache.cayenne.test.jdbc.TableHelper;
import org.apache.cayenne.testdo.inheritance_people.CustomerRepresentative;
import org.apache.cayenne.testdo.inheritance_people.Employee;
import org.apache.cayenne.testdo.inheritance_people.Manager;
import org.apache.cayenne.unit.di.server.PeopleProjectCase;
import org.junit.Before;
import org.junit.Test;
public class DataContextEJBQLInheritanceIT extends PeopleProjectCase {
@Inject
protected ObjectContext context;
@Before
public void setUp() throws Exception {
TableHelper person = new TableHelper(dbHelper, "PERSON");
person.setColumns("PERSON_ID", "NAME", "PERSON_TYPE", "SALARY").setColumnTypes(Types.INTEGER, Types.VARCHAR,
Types.CHAR, Types.FLOAT);
person.insert(1, "a", "EE", 20000);
person.insert(2, "b", "EE", 25000);
person.insert(4, "c", "EM", 30000);
person.insert(5, "d", "EM", 40000);
person.insert(6, "e", "C", null);
}
@Test
public void testSelect() throws Exception {
EJBQLQuery superclass = new EJBQLQuery("select p from AbstractPerson p ORDER BY p.name");
List<?> superclassResult = context.performQuery(superclass);
assertEquals(5, superclassResult.size());
assertEquals(Employee.class.getName(), superclassResult.get(0).getClass().getName());
assertEquals(Employee.class.getName(), superclassResult.get(1).getClass().getName());
assertEquals(Manager.class.getName(), superclassResult.get(2).getClass().getName());
assertEquals(Manager.class.getName(), superclassResult.get(3).getClass().getName());
assertEquals(CustomerRepresentative.class.getName(), superclassResult.get(4).getClass().getName());
EJBQLQuery subclass = new EJBQLQuery("select e from Employee e ORDER BY e.name");
List<?> subclassResult = context.performQuery(subclass);
assertEquals(4, subclassResult.size());
assertEquals(Employee.class.getName(), subclassResult.get(0).getClass().getName());
assertEquals(Employee.class.getName(), subclassResult.get(1).getClass().getName());
assertEquals(Manager.class.getName(), subclassResult.get(2).getClass().getName());
assertEquals(Manager.class.getName(), subclassResult.get(3).getClass().getName());
}
}