| /* |
| * 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 java.util.List; |
| |
| import javax.persistence.EntityManager; |
| |
| import org.apache.openjpa.persistence.OpenJPAEntityManager; |
| import org.apache.openjpa.persistence.OpenJPAQuery; |
| import org.apache.openjpa.persistence.test.SingleEMFTestCase; |
| |
| import junit.textui.TestRunner; |
| |
| /** |
| * Test that both sides of a mapped-by relation are null when not set |
| * or when explicitly set to null. |
| * |
| */ |
| public class TestOneOneNulls extends SingleEMFTestCase { |
| |
| private long pid1; |
| private long pid2; |
| private long cid1; |
| private long cid2; |
| |
| @Override |
| public void setUp() { |
| setUp(BidiParent.class, BidiChild.class, CLEAR_TABLES); |
| |
| EntityManager em = emf.createEntityManager(); |
| em.getTransaction().begin(); |
| |
| for (int i = 1; i <= 2; i++) { |
| BidiParent parent = new BidiParent(); |
| parent.setName("parent" + i); |
| em.persist(parent); |
| |
| BidiChild child = new BidiChild(); |
| child.setName("child" + i); |
| // for first set, don't set the relationship |
| // but explicitly set to null for the second set |
| if (i == 2) { |
| child.setOneToOneParent(null); |
| parent.setOneToOneChild(null); |
| } |
| em.persist(child); |
| |
| if (i == 1) { |
| pid1 = parent.getId(); |
| cid1 = child.getId(); |
| } else { |
| pid2 = parent.getId(); |
| cid2 = child.getId(); |
| } |
| } |
| |
| em.getTransaction().commit(); |
| em.close(); |
| } |
| |
| public void testFindOneToOneNullDefaults() { |
| BidiParent parent; |
| BidiChild child; |
| |
| OpenJPAEntityManager em = emf.createEntityManager(); |
| em.getFetchPlan().addField(BidiParent.class, "oneToOneChild"); |
| em.getFetchPlan().addField(BidiChild.class, "oneToOneParent"); |
| |
| // test first set w/o explicit nulls |
| parent = em.find(BidiParent.class, pid1); |
| assertEquals("parent1", parent.getName()); |
| assertNull(parent.getOneToOneChild()); |
| child = em.find(BidiChild.class, cid1); |
| assertEquals("child1", child.getName()); |
| assertNull(child.getOneToOneParent()); |
| |
| em.close(); |
| } |
| |
| public void testFindOneToOneNullExplicit() { |
| BidiParent parent; |
| BidiChild child; |
| |
| OpenJPAEntityManager em = emf.createEntityManager(); |
| em.getFetchPlan().addField(BidiParent.class, "oneToOneChild"); |
| em.getFetchPlan().addField(BidiChild.class, "oneToOneParent"); |
| |
| // test second set with explicit nulls |
| parent = em.find(BidiParent.class, pid2); |
| assertEquals("parent2", parent.getName()); |
| assertNull(parent.getOneToOneChild()); |
| child = em.find(BidiChild.class, cid2); |
| assertEquals("child2", child.getName()); |
| assertNull(child.getOneToOneParent()); |
| |
| em.close(); |
| } |
| |
| public void testQueryOneToOneNullChild() { |
| OpenJPAEntityManager em = emf.createEntityManager(); |
| OpenJPAQuery q = em.createQuery("SELECT o FROM BidiParent o " |
| + "ORDER BY o.name ASC"); |
| q.getFetchPlan().addField(BidiParent.class, "oneToOneChild"); |
| q.getFetchPlan().addField(BidiChild.class, "oneToOneParent"); |
| List<BidiParent> res = (List<BidiParent>) q.getResultList(); |
| assertEquals(2, res.size()); |
| for (int i = 0; i < res.size(); i++) { |
| assertEquals("parent" + (i + 1), res.get(i).getName()); |
| assertNull(res.get(i).getOneToOneChild()); |
| } |
| em.close(); |
| } |
| |
| public void testQueryOneToOneNullParent() { |
| OpenJPAEntityManager em = emf.createEntityManager(); |
| OpenJPAQuery q = em.createQuery("SELECT o FROM BidiChild o " |
| + "ORDER BY o.name ASC"); |
| q.getFetchPlan().addField(BidiParent.class, "oneToOneChild"); |
| q.getFetchPlan().addField(BidiChild.class, "oneToOneParent"); |
| List<BidiChild> res = (List<BidiChild>) q.getResultList(); |
| assertEquals(2, res.size()); |
| for (int i = 0; i < res.size(); i++) { |
| assertEquals("child" + (i + 1), res.get(i).getName()); |
| assertNull(res.get(i).getOneToOneParent()); |
| } |
| em.close(); |
| } |
| |
| public static void main(String[] args) { |
| TestRunner.run(TestOneOneNulls.class); |
| } |
| } |
| |