/*
* 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.test16;
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.PersistenceException;
import org.exolab.castor.jdo.QueryResults;
/**
* Test for nested-field support in Castor JDO. A nested-field
* is java field that maps to multiple database fields.
*/
public final class TestNestedFields extends CPATestCase {
/** The <a href="http://jakarta.apache.org/commons/logging/">Jakarta
* Commons Logging</a> instance used for all logging. */
private static final Log LOG = LogFactory.getLog(TestNestedFields.class);
private static final String DBNAME = "test16";
private static final String MAPPING = "/org/castor/cpa/test/test16/mapping.xml";
private Database _db;
public TestNestedFields(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)
|| (engine == DatabaseEngineType.SAPDB);
}
public void setUp() throws Exception {
_db = getJDOManager(DBNAME, MAPPING).getDatabase();
}
public void tearDown() throws PersistenceException {
if (_db.isActive()) { _db.rollback(); }
_db.close();
}
public void testRun() throws PersistenceException {
OQLQuery oql;
QueryResults results;
NestedObject t;
// Open transaction in order to perform JDO operations
_db.begin();
oql = _db.getOQLQuery("SELECT t FROM "
+ NestedObject.class.getName() + " t WHERE id = $1");
oql.bind(NestedObject.DEFAULT_ID);
results = oql.execute();
if (results.hasMore()) {
t = (NestedObject) results.next();
_db.remove(t);
LOG.debug("Deleting object: " + t);
}
_db.commit();
_db.begin();
t = new NestedObject();
LOG.debug("Creating new object: " + t);
_db.create(t);
_db.commit();
_db.begin();
oql.bind(NestedObject.DEFAULT_ID);
results = oql.execute();
if (results.hasMore()) {
t = (NestedObject) results.next();
String nv1 = t.getNested1().getValue1();
String nv2 = t.getNested2().getNested3().getValue2();
if (NestedObject.DEFAULT_VALUE1.equals(nv1)
&& NestedObject.DEFAULT_VALUE2.equals(nv2)) {
LOG.debug("OK: Created object: " + t);
} else {
LOG.error("Creating object: " + t);
fail("Creating object failed");
}
}
_db.commit();
oql.close();
LOG.info("Testing nested fields in OQLQuery...");
_db.begin();
oql = _db.getOQLQuery("SELECT t FROM "
+ NestedObject.class.getName()
+ " t WHERE nested2.nested3.value2 = $1");
oql.bind(NestedObject.DEFAULT_VALUE2);
results = oql.execute();
if (results.hasMore()) {
LOG.info("OK: Nested fields persisted");
} else {
LOG.error("Failed to persist nested fields");
fail("Failed to persist nested fields");
}
oql.close();
_db.commit();
}
}