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* to you under the Apache License, Version 2.0 (the
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package org.apache.cayenne.access;
import java.util.List;
import org.apache.cayenne.exp.ExpressionFactory;
import org.apache.cayenne.query.QueryChain;
import org.apache.cayenne.query.SQLTemplate;
import org.apache.cayenne.query.SelectQuery;
import org.apache.cayenne.query.SortOrder;
import org.apache.cayenne.testdo.inherit.AbstractPerson;
import org.apache.cayenne.testdo.inherit.Employee;
import org.apache.cayenne.testdo.inherit.Manager;
import org.apache.cayenne.unit.PeopleCase;
public class SingleTableInheritanceTest extends PeopleCase {
@Override
protected void setUp() throws Exception {
super.setUp();
deleteTestData();
}
public void testMatchingOnSuperAttributes() {
QueryChain insert = new QueryChain();
insert
.addQuery(new SQLTemplate(
AbstractPerson.class,
"INSERT INTO PERSON (PERSON_ID, NAME, PERSON_TYPE) VALUES (1, 'E1', 'EE')"));
insert
.addQuery(new SQLTemplate(
AbstractPerson.class,
"INSERT INTO PERSON (PERSON_ID, NAME, PERSON_TYPE) VALUES (2, 'E2', 'EM')"));
createDataContext().performGenericQuery(insert);
// fetch on leaf, but match on a super attribute
SelectQuery select = new SelectQuery(Manager.class);
select.andQualifier(ExpressionFactory.matchExp(AbstractPerson.NAME_PROPERTY, "E2"));
List<Manager> results = createDataContext().performQuery(select);
assertEquals(1, results.size());
assertEquals("E2", results.get(0).getName());
}
public void testMatchingOnSuperAttributesWithPrefetch() {
QueryChain insert = new QueryChain();
insert
.addQuery(new SQLTemplate(
AbstractPerson.class,
"INSERT INTO PERSON (PERSON_ID, NAME, PERSON_TYPE) VALUES (1, 'E1', 'EE')"));
insert
.addQuery(new SQLTemplate(
AbstractPerson.class,
"INSERT INTO PERSON (PERSON_ID, NAME, PERSON_TYPE) VALUES (2, 'E2', 'EM')"));
createDataContext().performGenericQuery(insert);
// fetch on leaf, but match on a super attribute
SelectQuery select = new SelectQuery(Employee.class);
select.addPrefetch(Employee.TO_DEPARTMENT_PROPERTY);
select.andQualifier(ExpressionFactory.matchExp(AbstractPerson.NAME_PROPERTY, "E2"));
List<Manager> results = createDataContext().performQuery(select);
assertEquals(1, results.size());
assertEquals("E2", results.get(0).getName());
}
public void testPaginatedQueries() {
QueryChain insert = new QueryChain();
insert
.addQuery(new SQLTemplate(
AbstractPerson.class,
"INSERT INTO PERSON (PERSON_ID, NAME, PERSON_TYPE) VALUES (1, 'E1', 'EE')"));
insert
.addQuery(new SQLTemplate(
AbstractPerson.class,
"INSERT INTO PERSON (PERSON_ID, NAME, PERSON_TYPE) VALUES (2, 'E2', 'EM')"));
insert
.addQuery(new SQLTemplate(
AbstractPerson.class,
"INSERT INTO PERSON (PERSON_ID, NAME, PERSON_TYPE) VALUES (3, 'E3', 'EE')"));
insert
.addQuery(new SQLTemplate(
AbstractPerson.class,
"INSERT INTO PERSON (PERSON_ID, NAME, PERSON_TYPE) VALUES (4, 'E4', 'EM')"));
insert
.addQuery(new SQLTemplate(
AbstractPerson.class,
"INSERT INTO PERSON (PERSON_ID, NAME, PERSON_TYPE) VALUES (5, 'E5', 'EE')"));
createDataContext().performGenericQuery(insert);
SelectQuery select = new SelectQuery(AbstractPerson.class);
select.addOrdering("db:" + AbstractPerson.PERSON_ID_PK_COLUMN, SortOrder.ASCENDING);
select.setPageSize(3);
List<AbstractPerson> results = createDataContext().performQuery(select);
assertEquals(5, results.size());
assertTrue(results.get(0) instanceof Employee);
// this is where things would blow up per CAY-1142
assertTrue(results.get(1) instanceof Manager);
assertTrue(results.get(3) instanceof Manager);
assertTrue(results.get(4) instanceof Employee);
}
}