/*
* 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.openjpa.persistence.cascade;
import javax.persistence.EntityManager;
import javax.persistence.RollbackException;
import org.apache.openjpa.persistence.test.SQLListenerTestCase;
public class TestCascadePersist extends SQLListenerTestCase {
@Override
public void setUp() throws Exception {
setUp(DROP_TABLES, CascadePersistEntity.class, "openjpa.Compatibility",
"CheckDatabaseForCascadePersistToDetachedEntity=false");
}
public void testCascadePersistToDetachedFailure() {
long startId = System.currentTimeMillis();
EntityManager em = emf.createEntityManager();
em.getTransaction().begin();
CascadePersistEntity cpe1 = new CascadePersistEntity(startId);
em.persist(cpe1);
em.getTransaction().commit();
em.clear();
em.getTransaction().begin();
CascadePersistEntity cpe2 = new CascadePersistEntity(startId + 1);
CascadePersistEntity cpe3 = new CascadePersistEntity(startId);
cpe2.setOther(cpe3);
em.persist(cpe2);
try {
em.getTransaction().commit();
} catch (RollbackException re) {
// We expect this failure because we are trying to cascade a persist to an existing Entity. Changing
// CheckDatabaseForCascadePersistToDetachedEntity=true would avoid this exception and revert back to pre
// 2.2.x behavior.
}
}
public void testCascadePersistToManagedEntity() {
long startId = System.currentTimeMillis();
EntityManager em = emf.createEntityManager();
em.getTransaction().begin();
CascadePersistEntity cpe1 = new CascadePersistEntity(startId);
em.persist(cpe1);
em.flush();
CascadePersistEntity cpe2 = new CascadePersistEntity(startId + 1);
cpe2.setOther(cpe1);
em.persist(cpe2);
// Since cpe1 is managed, it should be ignored by the cascaded persist operation.
em.getTransaction().commit();
}
/*
* Prior to OPENJPA-1986, an extra SELECT was executed in this scenario.
*/
public void testCascaseExtraneousSQL(){
long id = System.currentTimeMillis();
EntityManager em = emf.createEntityManager();
em.getTransaction().begin();
CascadePersistEntity cpe = new CascadePersistEntity(id);
CascadePersistEntity cpe2 = new CascadePersistEntity(id+1);
cpe.setOther(cpe2);
//Clear all SQL statements to make sure that during
//the persist we don't execute a select.
resetSQL();
em.persist(cpe);
em.getTransaction().commit();
em.close();
//There should be no selects at this point, only
//inserts.
assertNotSQL("SELECT .*");
}
}