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* 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.jdo.tck.query.result;
import java.util.Calendar;
import java.util.Date;
import javax.jdo.JDOHelper;
import javax.jdo.Query;
import org.apache.jdo.tck.JDO_Test;
import org.apache.jdo.tck.pc.company.Address;
import org.apache.jdo.tck.pc.company.Company;
import org.apache.jdo.tck.util.BatchTestRunner;
/**
*<B>Title:</B> Projected Second Class Objects Do Not Track Their Changes
*<BR>
*<B>Keywords:</B> embedded query
*<BR>
*<B>Assertion ID:</B> A14.6.9-9.
*<BR>
*<B>Assertion Description: </B>
* If an SCO field is in the result, the projected field is not owned by any persistent
* instance, and modifying the SCO value has no effect on any persistent instance.
* If an FCO field is in the result, the projected field is a persistent instance, and
* modifications made to the instance are reflected as changes to the datastore per
* transaction requirements.
*/
public class ProjectedSCODoesNotTrackChanges extends JDO_Test {
/** */
private static final String ASSERTION_FAILED =
"Assertion A14.6.9-3 (ProjectedSCODoesNotTrackChanges) failed: ";
private static final Date expectedDate;
static {
Calendar cal = Calendar.getInstance();
cal.set(1970, 0, 1, 0, 0, 0);
cal.set(Calendar.MILLISECOND, 0);
expectedDate = cal.getTime();
}
/**
* The <code>main</code> is called when the class
* is directly executed from the command line.
* @param args The arguments passed to the program.
*/
public static void main(String[] args) {
BatchTestRunner.run(ProjectedSCODoesNotTrackChanges.class);
}
/**
* @see JDO_Test#localSetUp()
*/
protected void localSetUp() {
addTearDownClass(Company.class);
}
private Company getPersistentNewInstance(long companyid) {
Company obj = new Company(companyid, "MyCompany", expectedDate,
new Address(0,"","","","",""));
pm.makePersistent(obj); // obj should transition to persistent-new
int curr = currentState(obj);
if( curr != PERSISTENT_NEW ){
fail(ASSERTION_FAILED,
"Unable to create persistent-new instance "
+ "from transient instance via makePersistent(), state is "
+ states[curr]);
}
return obj;
}
/** This tests that when an embedded field is selected
* and modified, there is no change in the owned instance.
*/
public void testEmbeddedField() {
String testZip = "94040";
pm = getPM();
pm.currentTransaction().begin();
Company comp = getPersistentNewInstance(0);
pm.currentTransaction().commit();
// Select address, modify, and commit
pm.currentTransaction().begin();
Query query = pm.newQuery(Company.class,
"name.startsWith(\"MyCompany\")");
query.setResult("address");
query.setUnique(true);
Address myCompanyAddress = (Address) query.execute();
myCompanyAddress.setZipcode(testZip);
if (JDOHelper.isDirty((Object)comp)) {
appendMessage("Expected Company instance not to be dirty; "
+ "actual state is " + getStateOfInstance((Object)comp));
}
pm.currentTransaction().commit();
// Check value of address
pm.currentTransaction().begin();
Address persistedCompanyAddress = (Address) query.execute();
String actualZip = persistedCompanyAddress.getZipcode();
if (actualZip.equals(testZip)) {
appendMessage("Expected projected field value is "
+ testZip + "; actual value is " + actualZip);
}
logger.debug("MyCompany's zipcode is '" + actualZip + "'");
pm.currentTransaction().commit();
failOnError();
}
/** This tests that when a Date field is selected
* and modified, there is no change in the owned instance.
*/
public void testDateField() {
pm = getPM();
pm.currentTransaction().begin();
Company comp = getPersistentNewInstance(0);
pm.currentTransaction().commit();
// Select date, modify, and commit
pm.currentTransaction().begin();
Query query = pm.newQuery(Company.class,
"name.startsWith(\"MyCompany\")");
query.setResult("founded");
query.setUnique(true);
Date retrievedDate = (Date) query.execute();
retrievedDate.setTime(123789L);
if (JDOHelper.isDirty((Object)comp)) {
appendMessage("Expected Company instance not to be dirty; "
+ "actual state is " + getStateOfInstance((Object)comp));
}
pm.currentTransaction().commit();
// Check value of date
pm.currentTransaction().begin();
Date actualDate = (Date) query.execute();
if (!actualDate.equals(expectedDate)) {
appendMessage("Expected projected field value is "
+ expectedDate + "; actual value is " + actualDate
+ "; modified retrieved value is " + retrievedDate);
}
logger.debug("MyCompany's founded date is '" + actualDate + "'");
pm.currentTransaction().commit();
failOnError();
}
}