/*****************************************************************
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
****************************************************************/
package org.apache.cayenne.util;
import java.util.Iterator;
import org.apache.cayenne.PersistenceState;
import org.apache.cayenne.access.DataContext;
import org.apache.cayenne.query.SelectQuery;
import org.apache.cayenne.reflect.ClassDescriptor;
import org.apache.cayenne.testdo.inherit.Department;
import org.apache.cayenne.testdo.inherit.Employee;
import org.apache.cayenne.testdo.inherit.Manager;
import org.apache.cayenne.unit.PeopleCase;
import org.apache.cayenne.util.DeepMergeOperation;
public class DeepMergeOperationInheritanceTest extends PeopleCase {
public void testDeepMergeExistingSubclass() {
ClassDescriptor d = getDomain().getEntityResolver().getClassDescriptor(
"Department");
DataContext context = createDataContext();
DataContext context1 = createDataContext();
Department d1 = context.newObject(Department.class);
d1.setName("D1");
// need to do double commit as Ashwood sorter blows on Employees/Departments
// ordering...
context.commitChanges();
Employee e1 = context.newObject(Employee.class);
e1.setName("E1");
e1.setPersonType("EE");
d1.addToEmployees(e1);
Manager e2 = context.newObject(Manager.class);
e2.setName("E2");
e2.setPersonType("EM");
d1.addToEmployees(e2);
context.commitChanges();
// need to make sure source relationship is resolved as a result of some Ashwood
// strangeness...
d1.getEmployees().size();
// resolve Employees
context1.performQuery(new SelectQuery(Employee.class));
DeepMergeOperation op = new DeepMergeOperation(context1);
blockQueries();
try {
Department d2 = (Department) op.merge(d1, d);
assertNotNull(d2);
assertEquals(PersistenceState.COMMITTED, d2.getPersistenceState());
Iterator it = d2.getEmployees().iterator();
while (it.hasNext()) {
Employee ex = (Employee) it.next();
if ("E2".equals(ex.getName())) {
assertTrue(ex instanceof Manager);
}
else {
assertFalse(ex instanceof Manager);
}
}
}
finally {
unblockQueries();
}
}
public void testDeepMergeNonExistentSubclass() {
ClassDescriptor d = getDomain().getEntityResolver().getClassDescriptor(
"Department");
DataContext context = createDataContext();
DataContext context1 = createDataContext();
Department d1 = context.newObject(Department.class);
d1.setName("D1");
// need to do double commit as Ashwood sorter blows on Employees/Departments
// ordering...
context.commitChanges();
Employee e1 = context.newObject(Employee.class);
e1.setName("E1");
e1.setPersonType("EE");
d1.addToEmployees(e1);
Manager e2 = context.newObject(Manager.class);
e2.setName("E2");
e2.setPersonType("EM");
d1.addToEmployees(e2);
context.commitChanges();
// need to make sure source relationship is resolved as a result of some Ashwood
// strangeness...
d1.getEmployees().size();
DeepMergeOperation op = new DeepMergeOperation(context1);
blockQueries();
try {
Department d2 = (Department) op.merge(d1, d);
assertNotNull(d2);
assertEquals(PersistenceState.COMMITTED, d2.getPersistenceState());
Iterator it = d2.getEmployees().iterator();
while (it.hasNext()) {
Employee ex = (Employee) it.next();
if ("E2".equals(ex.getName())) {
assertTrue(ex instanceof Manager);
}
else {
assertFalse(ex instanceof Manager);
}
}
}
finally {
unblockQueries();
}
}
}