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package org.apache.cayenne.access;
import org.apache.cayenne.Cayenne;
import org.apache.cayenne.di.Inject;
import org.apache.cayenne.test.jdbc.TableHelper;
import org.apache.cayenne.testdo.inheritance_people.Employee;
import org.apache.cayenne.testdo.inheritance_people.PersonNotes;
import org.apache.cayenne.unit.di.DataChannelInterceptor;
import org.apache.cayenne.unit.di.UnitTestClosure;
import org.apache.cayenne.unit.di.server.PeopleProjectCase;
import org.junit.Before;
import org.junit.Test;
import java.sql.SQLException;
import java.sql.Types;
import static org.junit.Assert.assertTrue;
public class DataContextRelationshipQuery_PolymorphicIT extends PeopleProjectCase {
@Inject
private DataContext context1;
@Inject
private DataContext context2;
@Inject
private DataChannelInterceptor queryInterceptor;
private TableHelper tPerson;
private TableHelper tPersonNotes;
@Before
public void before() {
tPerson = new TableHelper(dbHelper, "PERSON").setColumns("PERSON_ID", "NAME", "PERSON_TYPE")
.setColumnTypes(Types.INTEGER, Types.VARCHAR, Types.CHAR);
tPersonNotes = new TableHelper(dbHelper, "PERSON_NOTES").setColumns("ID", "PERSON_ID", "NOTES");
}
@Test
public void testPolymorphicSharedCache() throws SQLException {
// see CAY-2101... we are trying to get a snapshot from a new object in the shared cache, and then read this
// object via a relationship, so that shared cache is consulted
Employee e = context1.newObject(Employee.class);
e.setName("E1");
e.setSalary(1234.01f);
PersonNotes n = context1.newObject(PersonNotes.class);
n.setNotes("N1");
n.setPerson(e);
context1.commitChanges();
// use different context to ensure we hit shared cache for relationship resolving
final PersonNotes nPeer = Cayenne.objectForPK(context2, PersonNotes.class, Cayenne.intPKForObject(n));
queryInterceptor.runWithQueriesBlocked(new UnitTestClosure() {
@Override
public void execute() {
assertTrue(nPeer.getPerson() instanceof Employee);
}
});
}
}