/*
* 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.relations;
import org.apache.openjpa.persistence.relations.entity.IncompleteRelationshipChildEntity;
import org.apache.openjpa.persistence.relations.entity.IncompleteRelationshipParentEntity;
import org.apache.openjpa.persistence.relations.entity.IncompleteRelationshipSubclass;
import org.apache.openjpa.persistence.test.SingleEMFTestCase;
import javax.persistence.EntityManager;
/**
* A test case that tests for incomplete foreign-key relationships and ensures
* that proper database mechanics are enforced.
*/
public class TestIncompleteRelationship extends SingleEMFTestCase {
private static final String CLIENT_ID = "00000-00000-00000-00000-00000-00000";
private static final String DISCOUNTS[] = {
"Five-Finger Discount",
"Staff Discount"
};
@Override
public void setUp() {
super.setUp(CLEAR_TABLES,
IncompleteRelationshipParentEntity.class,
IncompleteRelationshipParentEntity.IncompleteRelationshipParentEntityPk.class,
IncompleteRelationshipChildEntity.class,
IncompleteRelationshipChildEntity.IncompleteRelationshipChildEntityPk.class,
IncompleteRelationshipSubclass.class,
"openjpa.jdbc.QuerySQLCache", "true");
}
public void testIncompleteRelationship() {
final EntityManager em = emf.createEntityManager();
IncompleteRelationshipSubclass parent = null;
IncompleteRelationshipChildEntity child = null;
em.getTransaction().begin();
for (String s : DISCOUNTS) {
child = new IncompleteRelationshipChildEntity(s, CLIENT_ID);
em.persist(child);
}
em.getTransaction().commit();
for (int i = 1; i < 2; i++) {
em.getTransaction().begin();
parent = new IncompleteRelationshipSubclass(i, CLIENT_ID);
em.persist(parent);
em.getTransaction().commit();
parent = (IncompleteRelationshipSubclass)
em.createQuery("SELECT i "+
"FROM IncompleteRelationshipSubclass i "+
"WHERE i.pk.id = :id "+
"AND i.pk.clientId = :clientId ")
.setParameter("id", i)
.setParameter("clientId", CLIENT_ID)
.getSingleResult();
assertEquals(parent.getPk().getId(), i);
assertNull(parent.getChild());
}
}
}