/*
* Copyright 2009 Udai Gupta, Ralf Joachim
*
* Licensed 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.castor.cpa.test.test27;
import java.sql.Connection;
import java.sql.SQLException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.castor.cpa.test.framework.CPATestCase;
import org.castor.cpa.test.framework.xml.types.DatabaseEngineType;
import org.exolab.castor.jdo.Database;
import org.exolab.castor.jdo.OQLQuery;
import org.exolab.castor.jdo.ObjectModifiedException;
import org.exolab.castor.jdo.PersistenceException;
import org.exolab.castor.jdo.QueryResults;
/**
* Test for dependent relationship between data objects for long transaction. A
* dependent object life cycle rely on its master object. For example, if the
* master object is deleted, it will be deleted by Castor as well. If the
* dependent object is dereferenced, it will be removed from the database.
*/
public final class TestDependentUpdate extends CPATestCase {
private static final Log LOG = LogFactory.getLog(TestDependentUpdate.class);
private static final String DBNAME = "test27";
private static final String MAPPING = "/org/castor/cpa/test/test27/mapping.xml";
private Database _db;
public TestDependentUpdate(final String name) {
super(name);
}
// Test are only included/excluded for engines that have been tested with this test suite.
public boolean include(final DatabaseEngineType engine) {
return (engine == DatabaseEngineType.DERBY)
|| (engine == DatabaseEngineType.HSQL)
|| (engine == DatabaseEngineType.MYSQL)
|| (engine == DatabaseEngineType.ORACLE)
|| (engine == DatabaseEngineType.POSTGRESQL);
}
public void setUp() throws Exception {
_db = getJDOManager(DBNAME, MAPPING).getDatabase();
}
public void testRun() throws PersistenceException, SQLException {
delete();
create();
change();
dependentUpdate();
}
public void tearDown() throws PersistenceException, SQLException {
if (_db.isActive()) { _db.rollback(); }
_db.close();
}
private void delete() throws PersistenceException {
OQLQuery oql;
QueryResults qres;
int cnt;
LOG.debug("Delete everything");
_db.begin();
oql = _db.getOQLQuery("SELECT master FROM "
+ Master.class.getName() + " master");
qres = oql.execute();
for (cnt = 0; qres.hasMore(); cnt++) {
_db.remove(qres.next());
}
LOG.debug("Deleting " + cnt + " master objects");
oql = _db.getOQLQuery("SELECT group FROM " + Group.class.getName() + " group");
qres = oql.execute();
for (cnt = 0; qres.hasMore(); cnt++) {
_db.remove(qres.nextElement());
}
LOG.debug("Deleting " + cnt + " group objects");
_db.commit();
}
private void create() throws PersistenceException {
Master master;
Detail detail;
Group group;
LOG.debug("Attempt to create master with details");
_db.begin();
master = new Master();
master.addDetail(new Detail(5));
detail = new Detail(6);
detail.addDetail2(new Detail2());
detail.addDetail2(new Detail2());
detail.setDetail3(new Detail3(101));
master.addDetail(detail);
detail = new Detail(7);
detail.addDetail2(new Detail2());
detail.addDetail2(new Detail2());
master.addDetail(detail);
group = new Group();
_db.create(group);
master.setGroup(group);
_db.create(master);
_db.commit();
_db.begin();
master = _db.load(Master.class, new Integer(Master.DEFAULT_ID));
if (master != null) {
if (master.getGroup() == null) {
LOG.error("loaded master without group: " + master);
fail("expecting group");
} else if (master.getGroup().getId() != Group.DEFAULT_ID) {
LOG.error("loaded master with wrong group: " + master);
fail("incorrect group");
}
if (master.getDetails() == null
|| !master.getDetails().contains(new Detail(5))
|| !master.getDetails().contains(new Detail(6))
|| !master.getDetails().contains(new Detail(7))) {
LOG.error("loaded master without three details: " + master);
fail("incorrect detail(s)");
}
detail = master.findDetail(5);
if (detail.getDetails2() != null
&& detail.getDetails2().size() != 0) {
LOG.error("loaded detail 5 with details2: " + detail);
fail("unexpected element found");
}
detail = master.findDetail(6);
if (detail.getDetails2() == null
|| detail.getDetails2().size() != 2) {
LOG.error("loaded detail 6 without two details: " + detail);
fail("details' size mismatch");
}
if (detail.getDetail3() == null
|| detail.getDetail3().getId() != 101) {
LOG.error("loaded detail 6 with wrong detail3: " + detail);
fail("loaded detail 6 with wrong detail3: " + detail);
}
detail = master.findDetail(7);
if (detail.getDetails2() == null
|| detail.getDetails2().size() != 2) {
LOG.error("loaded detail 7 without two details: " + detail);
fail("details' size mismatch");
}
} else {
LOG.error("failed to create master with details and group");
fail("failed to create master with details and group");
}
_db.commit();
LOG.debug("Created master with details: " + master);
}
private void change() throws PersistenceException {
Master master;
Detail detail;
LOG.debug("Attempt to change details");
_db.begin();
master = _db.load(Master.class, new Integer(Master.DEFAULT_ID));
if (master == null) {
LOG.error("failed to find master with details group");
fail("master not found");
}
// remove detail with id == 5
master.getDetails().remove(master.getDetails().indexOf(master.findDetail(5)));
// add new detail
master.addDetail(new Detail(8));
// add new detail and create it explicitely
detail = new Detail(9);
master.addDetail(detail);
detail = master.findDetail(6);
// change 1:1 dependent relationship
detail.setDetail3(new Detail3(102));
// delete, then create detail with id == 7 explicitly
detail = master.findDetail(7);
master.getDetails().remove(master.getDetails().indexOf(detail));
master.addDetail(detail);
_db.commit();
_db.begin();
master = _db.load(Master.class, new Integer(Master.DEFAULT_ID));
if (master != null) {
if (master.getDetails().size() == 0
|| master.getDetails().contains(new Detail(5))
|| !master.getDetails().contains(new Detail(6))
|| master.findDetail(6).getDetails2() == null
|| master.findDetail(6).getDetails2().size() != 2
|| master.findDetail(6).getDetail3() == null
|| master.findDetail(6).getDetail3().getId() != 102
|| !master.getDetails().contains(new Detail(7))
|| !master.getDetails().contains(new Detail(8))
|| !master.getDetails().contains(new Detail(9))) {
LOG.error("loaded master has wrong set of details: " + master);
fail("loaded master has wrong set of details");
} else {
LOG.debug("Details changed correctly: " + master);
}
} else {
LOG.error("master not found");
fail("master not found");
}
_db.commit();
}
private void dependentUpdate() throws PersistenceException, SQLException {
Master master;
Detail detail;
Master master2;
Detail2 detail2;
int detailId = 0;
LOG.debug("Test long transaction with dirty checking");
_db.begin();
master = _db.load(Master.class, new Integer(Master.DEFAULT_ID));
if (master == null) {
LOG.error("failed to find master with details group");
fail("master not found");
}
_db.commit();
_db.begin();
master2 = _db.load(Master.class, new Integer(Master.DEFAULT_ID));
master2.setValue1(master2.getValue1() + "2");
_db.commit();
LOG.debug("Test 1");
try {
_db.begin();
_db.update(master);
_db.commit();
LOG.error("Dirty checking doesn't work");
fail("dirty check failed");
} catch (ObjectModifiedException exept) {
_db.rollback();
LOG.debug("OK: Dirty checking works");
}
LOG.debug("Test 2");
detail = new Detail(5);
detail2 = new Detail2();
detail.addDetail2(detail2);
master2.addDetail(detail);
master2.getDetails().remove(new Detail(8));
master2.getDetails().remove(new Detail(9));
try {
_db.begin();
_db.update(master2);
_db.commit();
detailId = detail2.getId();
LOG.debug("OK: Dirty checking works");
} catch (ObjectModifiedException exept) {
_db.rollback();
LOG.error("Dirty checking doesn't work");
fail("dirty check failed");
}
LOG.debug("Test 3");
_db.begin();
Connection conn = _db.getJdbcConnection();
conn.createStatement().execute(
"UPDATE test27_master SET value1='concurrent' WHERE id=" + master2.getId());
_db.commit();
master2.setValue1("long transaction new value");
try {
_db.begin();
_db.update(master2);
_db.commit();
LOG.error("Dirty checking doesn't work");
fail("dirty check failed");
} catch (ObjectModifiedException except) {
if (_db.isActive()) {
_db.rollback();
}
LOG.debug("OK: Dirty checking works");
}
_db.begin();
master = _db.load(Master.class, new Integer(Master.DEFAULT_ID));
if (master != null) {
if (master.getDetails().size() == 0
|| !master.getDetails().contains(new Detail(5))
|| master.findDetail(5).findDetail2(detailId) == null
|| !master.getDetails().contains(new Detail(6))
|| master.findDetail(6).getDetails2() == null
|| master.findDetail(6).getDetails2().size() != 2
|| !master.getDetails().contains(new Detail(7))
|| master.getDetails().contains(new Detail(8))
|| master.getDetails().contains(new Detail(9))) {
LOG.error("loaded master has wrong set of details: " + master);
fail("unexpect set of details");
} else {
LOG.debug("Details changed correctly in the long transaction: " + master);
}
} else {
LOG.error("master not found");
fail("master not found");
}
_db.commit();
// modify an dependent object and see if it got updated
LOG.debug("Test 3");
detail = master.findDetail(5);
detail.setValue1("new updated value");
detail.findDetail2(detailId).setValue1("new detail 2 value");
_db.begin();
_db.update(master);
_db.commit();
_db.begin();
master = _db.load(Master.class, new Integer(Master.DEFAULT_ID));
if (master != null) {
if (master.getDetails() == null
|| master.getDetails().size() == 0
|| !master.getDetails().contains(new Detail(5))
|| !master.getDetails().contains(new Detail(6))
|| !master.getDetails().contains(new Detail(7))
|| master.getDetails().contains(new Detail(8))
|| master.getDetails().contains(new Detail(9))
|| !"new updated value".equals(master.findDetail(5)
.getValue1())
|| master.findDetail(5).findDetail2(detailId) == null
|| !"new detail 2 value".equals(master.findDetail(5)
.findDetail2(detailId).getValue1())) {
LOG.error("loaded master has wrong set of details: " + master);
fail("unexpected set of details");
} else {
LOG.debug("Details changed correctly in the long transaction: " + master);
}
} else {
LOG.error("master not found");
fail("master not found");
}
_db.commit();
}
}