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* Licensed to the Apache Software Foundation (ASF) under one
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* 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.
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package org.apache.openjpa.persistence.datacache;
import java.util.Collection;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.persistence.EntityManagerFactory;
import org.apache.openjpa.persistence.datacache.common.apps.CacheObjectA;
import org.apache.openjpa.persistence.datacache.common.apps.CacheObjectAChild1;
import org.apache.openjpa.persistence.datacache.common.apps.CacheObjectB;
import org.apache.openjpa.persistence.datacache.common.apps.
CacheObjectWithExternalizedFields;
import org.apache.openjpa.persistence.common.utils.AbstractTestCase;
import org.apache.openjpa.kernel.Broker;
import org.apache.openjpa.kernel.BrokerFactory;
import org.apache.openjpa.kernel.Query;
import org.apache.openjpa.kernel.jpql.JPQLParser;
import org.apache.openjpa.persistence.JPAFacadeHelper;
public class TestJPQL2ResultsAndResultClasses
extends AbstractTestCase {
public TestJPQL2ResultsAndResultClasses(String test) {
super(test, "datacachecactusapp");
}
private BrokerFactory _factory;
public void setUp() {
deleteAll(CacheObjectA.class);
deleteAll(CacheObjectWithExternalizedFields.class);
Map propsMap = new HashMap();
propsMap.put("openjpa.DataCache", "true");
propsMap.put("openjpa.RemoteCommitProvider", "sjvm");
propsMap.put("openjpa.BrokerImpl", CacheTestBroker.class.getName());
EntityManagerFactory emf =
getEmf(propsMap);
_factory = JPAFacadeHelper.toBrokerFactory(emf);
Broker broker = _factory.newBroker();
try {
broker.begin();
} catch (Exception e) {
System.out.println(
"Exception in TestJPQL2ResultsAndResultClasses setup : \n" +
getStackTrace(e));
}
int j = 0;
for (int i = 0; i < 10; i++) {
// make some common names so that GROUP BY is useful.
if (i % 2 == 0)
j++;
CacheObjectA o;
broker.persist(o = new CacheObjectAChild1("", "results-" + j, i),
null);
o.setDate(new Date());
o.setDateArray(new Date[]{ new Date(10), new Date(20) });
if (i < 5)
o.setRelatedB(new CacheObjectB());
}
//Seetha Oct 30,2006
//deleteAll closes the TX. So use the local
//deleteAll fn.
//deleteAll(CacheObjectWithExternalizedFields.class,());
//deleteAll(broker,CacheObjectWithExternalizedFields.class,true);
CacheObjectWithExternalizedFields o =
new CacheObjectWithExternalizedFields();
broker.persist(o, null);
o.setCls(Broker.class);
broker.commit();
broker.close();
CacheTestHelper.cacheManager(_factory).getSystemQueryCache().clear();
}
public void tearDown()
throws Exception {
_factory.close();
super.tearDown();
}
public void testAggregateResultIsCached() {
Broker broker = _factory.newBroker();
Query q =
broker.newQuery(JPQLParser.LANG_JPQL, "select max(a.age) FROM " +
CacheObjectAChild1.class.getSimpleName() + " a");
Object o = q.execute();
assertEquals(Long.class, o.getClass());
CacheTestHelper.assertInCache(this, q, Boolean.TRUE);
o = q.execute();
assertEquals(Long.class, o.getClass());
}
public void testAggregateNonUniqueResultIsCached() {
Broker broker = _factory.newBroker();
Query q =
broker.newQuery(JPQLParser.LANG_JPQL, "select max(a.age) FROM " +
CacheObjectAChild1.class.getSimpleName() + " a");
q.setUnique(false);
List res = (List) q.execute();
assertEquals(1, res.size());
Object o = res.get(0);
assertEquals(Long.class, o.getClass());
CacheTestHelper.assertInCache(this, q, Boolean.TRUE);
res = (List) q.execute();
assertEquals(1, res.size());
o = res.get(0);
assertEquals(Long.class, o.getClass());
}
public void testProjectionResultIsCached() {
Broker broker = _factory.newBroker();
Query q = broker.newQuery(JPQLParser.LANG_JPQL, "select a.age FROM " +
CacheObjectAChild1.class.getSimpleName() + " a");
Collection c = (Collection) q.execute();
CacheTestHelper.iterate(c);
CacheTestHelper.assertInCache(this, q, Boolean.TRUE);
c = (Collection) q.execute();
Object o = c.iterator().next();
assertEquals(Long.class, o.getClass());
}
public void testProjectionOfThisIsCached() {
// ##### need to test single projection
Broker broker = _factory.newBroker();
Query q = broker.newQuery(JPQLParser.LANG_JPQL, "select a FROM " +
CacheObjectAChild1.class.getSimpleName() + " a");
//CacheObjectAChild1.class, "select this");
Collection c = (Collection) q.execute();
CacheTestHelper.iterate(c);
CacheTestHelper.assertInCache(this, q, Boolean.TRUE);
c = (Collection) q.execute();
Object o = c.iterator().next();
assertEquals(CacheObjectAChild1.class, o.getClass());
assertNotNull(broker.getObjectId(o));
}
public void testProjectionResultWithThisIsCached() {
Broker broker = _factory.newBroker();
Query q =
broker.newQuery(JPQLParser.LANG_JPQL, "select a.name,a FROM " +
CacheObjectAChild1.class.getSimpleName() + " a");
Collection c = (Collection) q.execute();
CacheTestHelper.iterate(c);
CacheTestHelper.assertInCache(this, q, Boolean.TRUE);
c = (Collection) q.execute();
Object[] result = (Object[]) c.iterator().next();
assertEquals(2, result.length);
assertEquals(String.class, result[0].getClass());
assertEquals(CacheObjectAChild1.class, result[1].getClass());
assertNotNull(broker.getObjectId(result[1]));
}
public void testNullProjectionValues() {
Broker broker = _factory.newBroker();
Query q =
broker.newQuery(JPQLParser.LANG_JPQL, "select a.locale FROM " +
CacheObjectAChild1.class.getSimpleName() + " a");
Collection c = (Collection) q.execute();
CacheTestHelper.iterate(c);
CacheTestHelper.assertInCache(this, q, Boolean.TRUE);
c = (Collection) q.execute();
assertNull(c.iterator().next());
}
public void testNullAndNotNullProjectionValues() {
Broker broker = _factory.newBroker();
Query q =
broker
.newQuery(JPQLParser.LANG_JPQL, "select a.name,a.locale FROM " +
CacheObjectAChild1.class.getSimpleName() + " a");
Collection c = (Collection) q.execute();
CacheTestHelper.iterate(c);
CacheTestHelper.assertInCache(this, q, Boolean.TRUE);
c = (Collection) q.execute();
Object[] result = (Object[]) c.iterator().next();
assertEquals(2, result.length);
assertEquals(String.class, result[0].getClass());
assertNull(result[1]);
}
public void XXXtestNullAggregateValues() {
// ???
}
public void testMultipleAggregateResultIsCached() {
Broker broker = _factory.newBroker();
Query q =
broker.newQuery(JPQLParser.LANG_JPQL,
"select max(a.age), avg(a.age), count(a.age) FROM " +
CacheObjectAChild1.class.getSimpleName() + " a");
Object o = q.execute();
assertEquals(Object[].class, o.getClass());
assertEquals(3, ((Object[]) o).length);
assertEquals(Long.class, ((Object[]) o)[0].getClass());
CacheTestHelper.assertInCache(this, q, Boolean.TRUE);
o = q.execute();
assertEquals(Object[].class, o.getClass());
assertEquals(3, ((Object[]) o).length);
assertEquals(Long.class, ((Object[]) o)[0].getClass());
}
public void testFieldUsedTwice() {
// Postgres bug
Broker broker = _factory.newBroker();
// group avoids postgres bug
Query q = broker
.newQuery(JPQLParser.LANG_JPQL, "select a.age, avg(a.age) FROM " +
CacheObjectAChild1.class.getSimpleName() +
" a group by a.age");
Collection c = (Collection) q.execute();
CacheTestHelper.iterate(c);
CacheTestHelper.assertInCache(this, q, Boolean.TRUE);
}
public void testAggregateAndProjection() {
// Postgres bug
Broker broker = _factory.newBroker();
// group avoids postgres bug
Query q = broker
.newQuery(JPQLParser.LANG_JPQL, "select a.name, avg(a.age) FROM " +
CacheObjectAChild1.class.getSimpleName() +
" a group by a.name");
List l = (List) q.execute();
CacheTestHelper.iterate(l);
assertEquals(Object[].class, l.get(0).getClass());
assertEquals(2, ((Object[]) l.get(0)).length);
assertEquals(String.class, ((Object[]) l.get(0))[0].getClass());
CacheTestHelper.assertInCache(this, q, Boolean.TRUE);
l = (List) q.execute();
assertEquals(Object[].class, l.get(0).getClass());
assertEquals(2, ((Object[]) l.get(0)).length);
assertEquals(String.class, ((Object[]) l.get(0))[0].getClass());
}
//FIXME Seetha Dec 19,2006
/*public void testMath() {
Broker broker = _factory.newBroker();
Query q =
broker.newQuery(JPQLParser.LANG_JPQL,"select avg(a.age) FROM "+
CacheObjectAChild1.class.getSimpleName()+" a");
Number n = (Number) q.execute();
CacheTestHelper.assertInCache(this, q, Boolean.TRUE);
n = (Number) q.execute();
}*/
public void testResultClassIsCached() {
Broker broker = _factory.newBroker();
Query q = broker.newQuery(JPQLParser.LANG_JPQL, "Select a FROM " +
CacheObjectAChild1.class.getSimpleName() + " a");
q.setResultType(Object.class);
Collection c = (Collection) q.execute();
CacheTestHelper.iterate(c);
CacheTestHelper.assertInCache(this, q, Boolean.TRUE);
}
public void testGroupingIsCached() {
Broker broker = _factory.newBroker();
Query q =
broker.newQuery(JPQLParser.LANG_JPQL, "select max(a.age) FROM " +
CacheObjectAChild1.class.getSimpleName() +
" a group by a.name");
Collection c = (Collection) q.execute();
CacheTestHelper.iterate(c);
CacheTestHelper.assertInCache(this, q, Boolean.TRUE);
c = (Collection) q.execute();
Object o = c.iterator().next();
assertEquals(Long.class, o.getClass());
}
public void testAggregateProjectionGroupingIsCached() {
Broker broker = _factory.newBroker();
Query q =
broker.newQuery(JPQLParser.LANG_JPQL,
"select a.name, max(a.age) FROM " +
CacheObjectAChild1.class.getSimpleName() +
" a group by a.name");
Collection c = (Collection) q.execute();
CacheTestHelper.iterate(c);
CacheTestHelper.assertInCache(this, q, Boolean.TRUE);
c = (Collection) q.execute();
Object[] result = (Object[]) c.iterator().next();
assertEquals(2, result.length);
assertEquals(String.class, result[0].getClass());
assertEquals(Long.class, result[1].getClass());
}
public void testUniqueResultsAreCachedAndConsistent() {
Broker broker = _factory.newBroker();
Query q =
broker.newQuery(JPQLParser.LANG_JPQL, "select a FROM " +
CacheObjectAChild1.class.getSimpleName() +
" a where a.age =1");
q.setUnique(true);
CacheObjectAChild1 a = (CacheObjectAChild1) q.execute();
CacheTestHelper.assertInCache(this, q, Boolean.TRUE);
CacheObjectAChild1 a2 = (CacheObjectAChild1) q.execute();
assertTrue(a == a2);
}
public void testMutableProjectionFieldsAreCopied() {
Broker broker = _factory.newBroker();
Query q = broker.newQuery(JPQLParser.LANG_JPQL, "select a.date FROM " +
CacheObjectAChild1.class.getSimpleName() + " a where a.age=1");
q.setUnique(true);
Date d0 = (Date) q.execute(); // get it in cache
Date d1 = (Date) q.execute();
assertNotSame(d0, d1);
Date d2 = (Date) q.execute();
assertNotSame(d1, d2);
}
public void testArrayProjectionFieldsAreNotCached() {
Broker broker = _factory.newBroker();
Query q =
broker.newQuery(JPQLParser.LANG_JPQL, "select a.dateArray FROM " +
CacheObjectAChild1.class.getSimpleName() + " a");
try {
q.execute();
fail("Allowed array projection query.");
} catch (Exception e) {
}
}
public void testCollectionProjectionFieldsAreNotCached() {
Broker broker = _factory.newBroker();
Query q =
broker.newQuery(JPQLParser.LANG_JPQL, "select a.stringColl FROM " +
CacheObjectAChild1.class.getSimpleName() + " a");
try {
q.execute();
fail("Allowed array projection query.");
} catch (Exception e) {
}
}
public void testExternalizedSingleValueFieldIsNotCached() {
Broker broker = _factory.newBroker();
Query q = broker.newQuery(JPQLParser.LANG_JPQL, "select a.cls FROM " +
CacheObjectWithExternalizedFields.class.getSimpleName() + " a");
q.setUnique(true);
Object o = q.execute(); // get it in cache
// ##### assertEquals (Class.class, o);
CacheTestHelper.assertInCache(this, q, Boolean.FALSE);
}
public void testMutatedQueryReturnsNewResults() {
Broker broker = _factory.newBroker();
Query q =
broker.newQuery(JPQLParser.LANG_JPQL,
"select a.name, max(a.age) FROM " +
CacheObjectAChild1.class.getSimpleName() +
" a group by a.name");
List l = (List) q.execute();
CacheTestHelper.iterate(l);
CacheTestHelper.assertInCache(this, q, Boolean.TRUE);
l = (List) q.execute();
Object[] result = (Object[]) l.get(0);
assertEquals(2, result.length);
assertEquals(String.class, result[0].getClass());
assertEquals(Long.class, result[1].getClass());
// now, mutate the query and see what happens
q.setQuery("select max(a.age),a.name FROM " +
CacheObjectAChild1.class.getSimpleName() + " a group by a.name");
CacheTestHelper.assertInCache(this, q, Boolean.FALSE);
l = (List) q.execute();
result = (Object[]) l.get(0);
assertEquals(2, result.length);
assertEquals(Long.class, result[0].getClass());
assertEquals(String.class, result[1].getClass());
CacheTestHelper.iterate(l);
CacheTestHelper.assertInCache(this, q, Boolean.TRUE);
l = (List) q.execute();
result = (Object[]) l.get(0);
assertEquals(2, result.length);
assertEquals(Long.class, result[0].getClass());
assertEquals(String.class, result[1].getClass());
}
public void XXXtestExternalizedContainerFieldIsExternalized() {
}
public void XXXtestSerializedSingleValueFieldIsSerialized() {
}
public void XXXtestSerializedContainerFieldIsSerialized() {
}
public void XXXtestCustomMappedSingleValueFieldIsHandled() {
}
public void XXXtestCustomMappedContainerFieldIsHandled() {
}
private static int deleteAll(Broker broker, Class clazz,
boolean subclasses) {
final boolean useDeleteByQuery = false;
if (useDeleteByQuery) {
org.apache.openjpa.kernel.Query query =
broker.newQuery(JPQLParser.LANG_JPQL, "Select a FROM " +
clazz.getSimpleName() + " a");
query.setCandidateType(clazz, subclasses);
return (int) query.deleteAll();
} else {
org.apache.openjpa.kernel.Extent extent =
broker.newExtent(clazz, subclasses);
List list = extent.list();
int size = list.size();
broker.deleteAll(list, null);
return size;
}
}
}