| /* |
| * 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.jdbc.sqlcache; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import javax.persistence.EntityManager; |
| |
| import org.apache.openjpa.jdbc.conf.JDBCConfiguration; |
| import org.apache.openjpa.kernel.FinderCache; |
| import org.apache.openjpa.persistence.OpenJPAEntityManagerFactorySPI; |
| import org.apache.openjpa.persistence.test.SQLListenerTestCase; |
| |
| /** |
| * Basic test to check FinderQuery caches. |
| * |
| * @author Pinaki Poddar |
| * |
| */ |
| public class TestFinderCache extends SQLListenerTestCase { |
| public static final long[] BOOK_IDS = {1000, 2000, 3000}; |
| public static final String[] BOOK_NAMES = {"Argumentative Indian", "Tin Drum", "Blink"}; |
| public static final long[] CD_IDS = {1001, 2001, 3001}; |
| public static final String[] CD_LABELS = {"Beatles", "Sinatra", "Don't Rock My Boat"}; |
| |
| void createTestData() { |
| EntityManager em = emf.createEntityManager(); |
| em.getTransaction().begin(); |
| for (int i = 0; i < BOOK_IDS.length; i++) { |
| Book book = new Book(); |
| book.setId(BOOK_IDS[i]); |
| book.setTitle(BOOK_NAMES[i]); |
| em.persist(book); |
| } |
| for (int i = 0; i < CD_IDS.length; i++) { |
| CD cd = new CD(); |
| cd.setId(CD_IDS[i]); |
| cd.setLabel(CD_LABELS[i]); |
| em.persist(cd); |
| } |
| em.getTransaction().commit(); |
| em.close(); |
| } |
| |
| @Override |
| public void setUp() { |
| super.setUp(CLEAR_TABLES, |
| "openjpa.RuntimeUnenhancedClasses", "unsupported", |
| "openjpa.DynamicEnhancementAgent", "false", |
| "openjpa.DataCache","false", |
| Merchandise.class, Book.class, CD.class, |
| Author.class, Person.class, Singer.class, Address.class); |
| createTestData(); |
| } |
| |
| public void testFinder() { |
| //closeEMF(emf); // close EMF provided by SingleEMFTestCase |
| OpenJPAEntityManagerFactorySPI emf1 = createEMF("openjpa.jdbc.FinderCache", "false"); |
| run(1, Book.class, BOOK_IDS); // for warmup |
| assertNull(getCache(emf1)); |
| OpenJPAEntityManagerFactorySPI emf2 = createEMF("openjpa.jdbc.FinderCache", "true"); |
| assertNotNull(getCache(emf2)); |
| closeEMF(emf1); |
| closeEMF(emf2); |
| } |
| |
| public void testSQLEventListener() { |
| EntityManager em = emf.createEntityManager(); |
| int N = 3; |
| sql.clear(); |
| for (int i = 0; i < N; i++) { |
| em.clear(); |
| for (long id : BOOK_IDS) { |
| Book pc = em.find(Book.class, id); |
| assertNotNull(pc); |
| } |
| } |
| assertEquals(BOOK_IDS.length*N, sql.size()); |
| em.close(); |
| } |
| |
| /** |
| * Run a finder query for each identifiers N times and report the median |
| * execution time. |
| */ |
| <T> long run(int N, Class<T> cls, long[] ids) { |
| EntityManager em = emf.createEntityManager(); |
| List<Long> stats = new ArrayList<>(); |
| for (int n = 0; n < N; n++) { |
| em.clear(); |
| long start = System.nanoTime(); |
| for (long id : ids) { |
| T pc = em.find(cls, id); |
| assertNotNull(pc); |
| assertTrue(cls.isInstance(pc)); |
| } |
| long end = System.nanoTime(); |
| stats.add(end-start); |
| } |
| Collections.sort(stats); |
| return stats.get(N/2); |
| } |
| |
| FinderCache getCache(OpenJPAEntityManagerFactorySPI oemf) { |
| return ((JDBCConfiguration) oemf.getConfiguration()). |
| getFinderCacheInstance(); |
| } |
| |
| } |