| /* |
| * 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.simple; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import javax.persistence.CacheRetrieveMode; |
| import javax.persistence.CacheStoreMode; |
| |
| import org.apache.openjpa.persistence.JPAProperties; |
| import org.apache.openjpa.persistence.OpenJPAEntityManager; |
| import org.apache.openjpa.persistence.test.SingleEMTestCase; |
| |
| public class TestRefresh extends SingleEMTestCase { |
| |
| @Override |
| public void setUp() { |
| super.setUp(CLEAR_TABLES, Item.class, |
| "openjpa.AutoDetach", "commit", |
| "openjpa.DataCache", "true", |
| "openjpa.RemoteCommitProvider", "sjvm"); |
| } |
| |
| public void testFlushRefreshNewInstance() { |
| em.getTransaction().begin(); |
| Item item = new Item(); |
| item.setItemData("Test Data"); |
| em.persist(item); |
| em.flush(); |
| em.refresh(item); |
| em.getTransaction().commit(); |
| assertEquals("Test Data", item.getItemData()); |
| } |
| |
| /** |
| * Refresh always bypass L2 cache. |
| * According to JPA 2.0 Spec Section 3.7.2: |
| * "The retrieveMode property is ignored for the refresh method, |
| * which always causes data to be retrieved from the database, not the cache." |
| */ |
| public void testRefreshBypassL2Cache() { |
| String original = "Original L2 Cached Data"; |
| String sneakUpdate = "Sneak Update"; |
| em.getTransaction().begin(); |
| Item item = new Item(); |
| item.setItemData(original); |
| em.persist(item); |
| em.getTransaction().commit(); |
| assertCached(Item.class, item.getItemId()); |
| |
| // Sneakily update with SQL |
| String sql = "UPDATE I_ITEM SET I_DATA=?1 WHERE I_ID=?2"; |
| em.getTransaction().begin(); |
| int updateCount = em.createNativeQuery(sql) |
| .setParameter(1, sneakUpdate) |
| .setParameter(2, item.getItemId()) |
| .executeUpdate(); |
| assertEquals(1, updateCount); |
| em.getTransaction().commit(); |
| |
| em.getTransaction().begin(); |
| // Find will find the L2 cached data |
| item = em.find(Item.class, item.getItemId()); |
| assertEquals(original, item.getItemData()); |
| // But refresh will get the actual database record |
| em.refresh(item); |
| assertEquals(sneakUpdate, item.getItemData()); |
| |
| // Even if cache retrieve mode is set to USE |
| em.setProperty(JPAProperties.CACHE_RETRIEVE_MODE, CacheRetrieveMode.USE); |
| em.refresh(item); |
| assertEquals(sneakUpdate, item.getItemData()); |
| em.getTransaction().rollback(); |
| } |
| |
| public void testCacheRetrieveModeSetting() { |
| OpenJPAEntityManager em = emf.createEntityManager(); |
| em.setProperty(JPAProperties.CACHE_RETRIEVE_MODE, CacheRetrieveMode.USE); |
| Map<String, Object> properties = em.getProperties(); |
| if (!properties.containsKey(JPAProperties.CACHE_RETRIEVE_MODE)) { |
| System.err.println(properties); |
| fail("Expected " + JPAProperties.CACHE_RETRIEVE_MODE + " properties be returned"); |
| } |
| Object mode = properties.get(JPAProperties.CACHE_RETRIEVE_MODE); |
| assertEquals(mode, CacheRetrieveMode.USE); |
| } |
| |
| public void testCacheStoreModeSetting() { |
| OpenJPAEntityManager em = emf.createEntityManager(); |
| em.setProperty(JPAProperties.CACHE_STORE_MODE, CacheStoreMode.USE); |
| Map<String, Object> properties = em.getProperties(); |
| if (!properties.containsKey(JPAProperties.CACHE_STORE_MODE)) { |
| System.err.println(properties); |
| fail("Expected " + JPAProperties.CACHE_STORE_MODE + " properties be returned"); |
| } |
| Object mode = properties.get(JPAProperties.CACHE_STORE_MODE); |
| assertEquals(mode, CacheStoreMode.USE); |
| } |
| |
| public void testRefreshAfterRemove() { |
| try { |
| em.getTransaction().begin(); |
| Item item = new Item(); |
| item.setItemData("Test Data"); |
| em.persist(item); |
| em.flush(); |
| em.remove(item); |
| em.flush(); |
| em.refresh(item); |
| em.getTransaction().commit(); |
| fail("Did not catch expected IllegalArgumentException for refresh() of removed entity"); |
| } catch (IllegalArgumentException e) { |
| // Expected exception |
| } |
| } |
| |
| public void testFindWithCacheRetrieveProperty() { |
| String key = "Test property in find."; |
| OpenJPAEntityManager em = emf.createEntityManager(); |
| em.getTransaction().begin(); |
| Item item = new Item(); |
| item.setItemData(key); |
| em.persist(item); |
| em.flush(); |
| em.getTransaction().commit(); |
| int id = item.getItemId(); |
| em.clear(); |
| emf.getCache().evictAll(); |
| |
| assertEquals(key, item.getItemData()); |
| |
| em.setProperty(JPAProperties.CACHE_STORE_MODE, CacheStoreMode.USE); |
| em.setProperty(JPAProperties.CACHE_RETRIEVE_MODE, CacheRetrieveMode.USE); |
| Map<String, Object> properties = em.getProperties(); |
| if (!properties.containsKey(JPAProperties.CACHE_STORE_MODE)) { |
| System.err.println(properties); |
| fail("Expected " + JPAProperties.CACHE_STORE_MODE + " properties be returned"); |
| } |
| if (!properties.containsKey(JPAProperties.CACHE_RETRIEVE_MODE)) { |
| System.err.println(properties); |
| fail("Expected " + JPAProperties.CACHE_RETRIEVE_MODE + " properties be returned"); |
| } |
| Map<String, Object> paramProperties = new HashMap<>(); |
| paramProperties.put(JPAProperties.CACHE_STORE_MODE, CacheStoreMode.BYPASS); |
| paramProperties.put(JPAProperties.CACHE_RETRIEVE_MODE, CacheRetrieveMode.BYPASS); |
| Item fItem = em.find(Item.class, id, paramProperties); |
| assertEquals(fItem.getItemData(), key); |
| assertNotCached(Item.class, id); |
| |
| Object mode = em.getProperties().get(JPAProperties.CACHE_STORE_MODE); |
| assertEquals(mode, CacheStoreMode.USE); |
| mode = em.getProperties().get(JPAProperties.CACHE_RETRIEVE_MODE); |
| assertEquals(mode, CacheRetrieveMode.USE); |
| } |
| |
| public void testRefreshWithCacheRetrieveProperty() { |
| String key = "Test property in refresh."; |
| String updatedKey = "Updated test property in refresh."; |
| OpenJPAEntityManager em = emf.createEntityManager(); |
| em.getTransaction().begin(); |
| Item item = new Item(); |
| item.setItemData(key); |
| em.persist(item); |
| em.flush(); |
| em.getTransaction().commit(); |
| assertEquals(key, item.getItemData()); |
| |
| int id = item.getItemId(); |
| emf.getCache().evictAll(); |
| |
| assertEquals(key, item.getItemData()); |
| |
| em.setProperty(JPAProperties.CACHE_STORE_MODE, CacheStoreMode.USE); |
| em.setProperty(JPAProperties.CACHE_RETRIEVE_MODE, CacheRetrieveMode.USE); |
| Map<String, Object> properties = em.getProperties(); |
| if (!properties.containsKey(JPAProperties.CACHE_STORE_MODE)) { |
| System.err.println(properties); |
| fail("Expected " + JPAProperties.CACHE_STORE_MODE + " properties be returned"); |
| } |
| if (!properties.containsKey(JPAProperties.CACHE_RETRIEVE_MODE)) { |
| System.err.println(properties); |
| fail("Expected " + JPAProperties.CACHE_RETRIEVE_MODE + " properties be returned"); |
| } |
| Map<String, Object> paramProperties = new HashMap<>(); |
| paramProperties.put(JPAProperties.CACHE_STORE_MODE, CacheStoreMode.BYPASS); |
| paramProperties.put(JPAProperties.CACHE_RETRIEVE_MODE, CacheRetrieveMode.BYPASS); |
| Item fItem = em.find(Item.class, id, paramProperties); |
| assertEquals(key, fItem.getItemData()); |
| assertNotCached(Item.class, id); |
| |
| fItem.setItemData(updatedKey); |
| assertEquals(updatedKey, fItem.getItemData()); |
| |
| em.refresh(fItem, paramProperties); |
| assertEquals(key, fItem.getItemData()); |
| assertNotCached(Item.class, id); |
| |
| Object mode = em.getProperties().get(JPAProperties.CACHE_STORE_MODE); |
| assertEquals(mode, CacheStoreMode.USE); |
| mode = em.getProperties().get(JPAProperties.CACHE_RETRIEVE_MODE); |
| assertEquals(mode, CacheRetrieveMode.USE); |
| } |
| |
| void assertCached(Class<?> cls, Object oid) { |
| assertTrue(cls + ":" + oid + " should be in L2 cache, but not", emf.getCache().contains(cls, oid)); |
| } |
| |
| void assertNotCached(Class<?> cls, Object oid) { |
| assertTrue(cls + ":" + oid + " should not be in L2 cache, but is", !emf.getCache().contains(cls, oid)); |
| } |
| |
| } |