| /* |
| * 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.detach; |
| |
| import java.util.Collection; |
| import java.util.HashSet; |
| |
| import org.apache.openjpa.conf.Compatibility; |
| import org.apache.openjpa.meta.ClassMetaData; |
| import org.apache.openjpa.meta.MetaDataRepository; |
| import org.apache.openjpa.meta.ValueMetaData; |
| import org.apache.openjpa.persistence.OpenJPAEntityManager; |
| import org.apache.openjpa.persistence.test.SingleEMFTestCase; |
| |
| public class TestDetachNoCascade extends SingleEMFTestCase { |
| OpenJPAEntityManager em; |
| int id = 0; |
| Compatibility compat; |
| |
| Entity1 e1; |
| Entity7 e7; |
| Entity14 e14; |
| Collection<Object> allEntities = new HashSet<>(); |
| |
| @Override |
| public void setUp() throws Exception { |
| setUp(Entity1.class, // references Entity14 |
| Entity7.class, |
| Entity14.class, |
| CLEAR_TABLES); |
| assertNotNull(emf); |
| em = emf.createEntityManager(); |
| assertNotNull(em); |
| compat = emf.getConfiguration().getCompatibilityInstance(); |
| compat.setFlushBeforeDetach(true); |
| compat.setCopyOnDetach(false); |
| compat.setCascadeWithDetach(false); |
| |
| } |
| |
| private void create(int id) { |
| allEntities.clear(); |
| e1 = new Entity1(id,"entity1"); |
| allEntities.add(e1); |
| e7 = new Entity7(id, "entity7"); |
| allEntities.add(e7); |
| e14 = new Entity14(id, "entity14"); |
| allEntities.add(e14); |
| e1.setE14(e14); |
| } |
| |
| // Make sure the default values are the same |
| public void testDefaults() { |
| assertTrue(compat.getFlushBeforeDetach()); |
| assertFalse(compat.getCopyOnDetach()); |
| assertFalse(compat.getCascadeWithDetach()); |
| } |
| |
| // Make sure all the fields in Entity1 are CASCADE_NONE |
| public void testCascadeValues() { |
| id++; |
| em.getTransaction().begin(); |
| create(id); |
| em.persistAll(allEntities); |
| em.getTransaction().commit(); |
| |
| MetaDataRepository repos = emf.getConfiguration() |
| .getMetaDataRepositoryInstance(); |
| ClassMetaData meta = repos.getCachedMetaData(Entity1.class); |
| assertNotNull(meta); |
| assertEquals(ValueMetaData.CASCADE_NONE, |
| meta.getField("id").getCascadeDetach()); |
| assertEquals(ValueMetaData.CASCADE_NONE, |
| meta.getField("name").getCascadeDetach()); |
| assertEquals(ValueMetaData.CASCADE_NONE, |
| meta.getField("e14").getCascadeDetach()); |
| } |
| |
| // Test clear() to clear all entities. |
| public void testClearAll() { |
| id++; |
| em.getTransaction().begin(); |
| create(id); |
| em.persistAll(allEntities); |
| assertEquals(allEntities.size(),em.getManagedObjects().size()); |
| em.clear(); |
| assertEquals(0,em.getManagedObjects().size()); |
| assertFalse(em.contains(e1)); |
| em.getTransaction().commit(); |
| } |
| |
| // Test clear(Object entity) to clear 1 entity. Do not |
| // cascade and make sure contained entities and other entities |
| // are still managed. |
| public void testClearOne() { |
| id++; |
| boolean cwd = compat.getCascadeWithDetach(); |
| boolean cod = compat.getCopyOnDetach(); |
| compat.setCascadeWithDetach(false); |
| compat.setCopyOnDetach(false); |
| em.getTransaction().begin(); |
| create(id); |
| em.persistAll(allEntities); |
| assertTrue(em.contains(e1)); |
| em.detach(e1); |
| assertFalse(em.contains(e1)); |
| assertTrue(em.contains(e14)); |
| assertTrue(em.contains(e7)); |
| em.getTransaction().commit(); |
| compat.setCascadeWithDetach(cwd); |
| compat.setCopyOnDetach(cod); |
| } |
| |
| // Test clear on a new, unmanaged object. Nothing should happen. After |
| // persist it should still become a managed entity. |
| public void testClearNew() { |
| id++; |
| em.getTransaction().begin(); |
| create(id); |
| assertFalse(em.contains(e1)); |
| em.detach(e1); |
| em.persistAll(allEntities); |
| assertTrue(em.contains(e1)); |
| em.getTransaction().commit(); |
| } |
| |
| // Test clear on dirty object. Make sure the change is not flushed. |
| public void testClearDirty() { |
| |
| boolean cod = compat.getCopyOnDetach(); |
| boolean fbd = compat.getFlushBeforeDetach(); |
| compat.setCopyOnDetach(false); |
| compat.setFlushBeforeDetach(false); |
| |
| id++; |
| em.getTransaction().begin(); |
| create(id); |
| em.persistAll(allEntities); |
| em.getTransaction().commit(); |
| |
| em.getTransaction().begin(); |
| e1 = em.find(Entity1.class, id); |
| assertEquals("entity1",e1.getName()); |
| e1.setName("new name"); |
| em.detach(e1); |
| em.getTransaction().commit(); |
| |
| em.getTransaction().begin(); |
| em.clear(); |
| e1 = em.find(Entity1.class, id); |
| assertNotEquals("new name", e1.getName()); |
| assertEquals("entity1", e1.getName()); |
| em.getTransaction().commit(); |
| |
| compat.setCopyOnDetach(cod); |
| compat.setFlushBeforeDetach(fbd); |
| } |
| |
| // Remove an Entity before clearing it. Make sure it is still in the |
| // DB after the commit. |
| public void testClearRemove() { |
| |
| boolean cwd = compat.getCascadeWithDetach(); |
| boolean cod = compat.getCopyOnDetach(); |
| compat.setCascadeWithDetach(false); |
| compat.setCopyOnDetach(false); |
| |
| id++; |
| em.getTransaction().begin(); |
| create(id); |
| em.persistAll(allEntities); |
| em.getTransaction().commit(); |
| |
| em.getTransaction().begin(); |
| e1 = em.find(Entity1.class, id); |
| em.remove(e1); |
| em.detach(e1); |
| em.getTransaction().commit(); |
| |
| em.getTransaction().begin(); |
| em.clear(); |
| e1 = em.find(Entity1.class, id); |
| assertNotNull(e1); |
| em.getTransaction().commit(); |
| |
| compat.setCascadeWithDetach(cwd); |
| compat.setCopyOnDetach(cod); |
| } |
| |
| // Try to clear an entity that has already been cleared. There should be |
| // no exception and the entity should still not be there. |
| public void testClearOnClearedEntity() { |
| boolean cwd = compat.getCascadeWithDetach(); |
| boolean cod = compat.getCopyOnDetach(); |
| compat.setCascadeWithDetach(false); |
| compat.setCopyOnDetach(false); |
| |
| id++; |
| em.getTransaction().begin(); |
| create(id); |
| em.persist(e1); |
| em.detach(e1); |
| em.detach(e1); |
| assertFalse(em.contains(e1)); |
| em.getTransaction().commit(); |
| |
| compat.setCascadeWithDetach(cwd); |
| compat.setCopyOnDetach(cod); |
| } |
| |
| // Test that no copy is done by default |
| public void testNoCopy() { |
| boolean cwd = compat.getCascadeWithDetach(); |
| boolean cod = compat.getCopyOnDetach(); |
| compat.setCascadeWithDetach(false); |
| compat.setCopyOnDetach(false); |
| |
| id++; |
| em.getTransaction().begin(); |
| create(id); |
| em.persist(e1); |
| Entity14 e14PreDetach = e1.getE14(); |
| |
| // Flip on cascade to detach e14 |
| compat.setCascadeWithDetach(true); |
| |
| em.detach(e1); |
| // Assert that e14 was not copied on detachment |
| assertEquals(e14, e14PreDetach); |
| assertFalse(em.contains(e1)); |
| assertFalse(em.contains(e14)); |
| em.getTransaction().commit(); |
| |
| compat.setCascadeWithDetach(false); |
| |
| compat.setCascadeWithDetach(cwd); |
| compat.setCopyOnDetach(cod); |
| } |
| |
| // Change copy option and validate |
| public void testCopy() { |
| id++; |
| em.getTransaction().begin(); |
| create(id); |
| em.persist(e1); |
| |
| Entity1 e1Det = em.detachCopy(e1); |
| assertNotEquals(e1, e1Det); |
| assertTrue(em.contains(e1)); |
| em.getTransaction().commit(); |
| |
| compat.setCopyOnDetach(false); |
| } |
| |
| // Change flush option and validate |
| public void testFlush() { |
| id++; |
| em.getTransaction().begin(); |
| create(id); |
| em.persistAll(allEntities); |
| em.getTransaction().commit(); |
| |
| compat.setFlushBeforeDetach(true); |
| |
| em.getTransaction().begin(); |
| e1 = em.find(Entity1.class, id); |
| assertEquals("entity1",e1.getName()); |
| e1.setName("new name"); |
| em.detach(e1); |
| em.getTransaction().commit(); |
| |
| em.getTransaction().begin(); |
| em.clear(); |
| e1 = em.find(Entity1.class, id); |
| assertEquals("new name", e1.getName()); |
| em.getTransaction().commit(); |
| |
| compat.setFlushBeforeDetach(false); |
| } |
| |
| // Clear an entity, then recreate it in the same transaction. |
| public void testClearRecreate() { |
| id++; |
| em.getTransaction().begin(); |
| create(id); |
| em.persistAll(allEntities); |
| em.detach(e1); |
| em.merge(e1); |
| em.getTransaction().commit(); |
| |
| em.getTransaction().begin(); |
| em.clear(); |
| Entity1 newE1 = em.find(Entity1.class, id); |
| assertNotNull(newE1); |
| em.getTransaction().commit(); |
| } |
| } |