| /* |
| * Copyright (c) 2020, 2021 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // Contributors: |
| // Oracle - initial API and implementation |
| package org.eclipse.persistence.jpa.test.cachedeadlock; |
| |
| import jakarta.enterprise.inject.se.SeContainer; |
| import jakarta.enterprise.inject.se.SeContainerInitializer; |
| |
| import jakarta.persistence.*; |
| |
| import org.eclipse.persistence.internal.helper.ConcurrencyUtil; |
| import org.eclipse.persistence.internal.jpa.EntityManagerImpl; |
| import org.eclipse.persistence.jpa.test.cachedeadlock.model.CacheDeadLockDetectionDetail; |
| import org.eclipse.persistence.jpa.test.cachedeadlock.model.CacheDeadLockDetectionMaster; |
| import org.eclipse.persistence.jpa.test.cachedeadlock.cdi.event.EventProducer; |
| |
| import org.eclipse.persistence.sessions.DatabaseSession; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.ThreadPoolExecutor; |
| import java.util.concurrent.TimeUnit; |
| |
| public class CacheDeadLockDetectionTest { |
| |
| public static final int RECORDS_NO = 10; |
| public static final int NO_OF_THREADS = 100; |
| |
| public static EntityManagerFactory emf = Persistence.createEntityManagerFactory("cachedeadlockdetection-pu"); |
| public static EntityManagerFactory emfSemaphore = Persistence.createEntityManagerFactory("cachedeadlocksemaphore-pu"); |
| |
| SeContainer container; |
| |
| EventProducer eventProducer; |
| |
| @Test |
| public void bugTest() { |
| EntityManager em = emf.createEntityManager(); |
| verifyPersistenceProperties(); |
| setup(); |
| try { |
| em.getTransaction().begin(); |
| initData(em); |
| em.getTransaction().commit(); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| throw new RuntimeException(); |
| } finally { |
| if (em.getTransaction().isActive()) { |
| em.getTransaction().rollback(); |
| } |
| } |
| threadExecution(em); |
| try { |
| Thread.sleep(7000L); |
| } catch (InterruptedException e) { |
| e.printStackTrace(); |
| } |
| System.out.println("##########################Test with semaphores - begin###########################"); |
| EntityManager emSemaphore = emfSemaphore.createEntityManager(); |
| verifySemaphoreProperties(); |
| threadExecution(emSemaphore); |
| System.out.println("##########################Test with semaphores - end###########################"); |
| } |
| |
| private void threadExecution(EntityManager em) { |
| ThreadPoolExecutor executor = (ThreadPoolExecutor) Executors.newFixedThreadPool(NO_OF_THREADS); |
| for (int i = 1; i <= NO_OF_THREADS; i++) { |
| Thread thread = new Thread(new MainThread(container, emf, em)); |
| thread.setName("MainThread: " + i); |
| executor.execute(thread); |
| } |
| executor.shutdown(); |
| // Wait for everything to finish. |
| try { |
| executor.awaitTermination(Long.MAX_VALUE, TimeUnit.NANOSECONDS); |
| } catch (InterruptedException e) { |
| e.printStackTrace(); |
| Assert.fail(); |
| } |
| } |
| |
| @Before |
| public void initContainer() { |
| container = SeContainerInitializer.newInstance().initialize(); |
| eventProducer = container.select(EventProducer.class).get(); |
| } |
| |
| private static void initData(EntityManager em) { |
| for (int i = 1, j = 1; i <= RECORDS_NO; i++, j = j +2) { |
| CacheDeadLockDetectionMaster cacheDeadLockDetectionMaster = new CacheDeadLockDetectionMaster(i, "M" + i); |
| CacheDeadLockDetectionDetail cacheDeadLockDetectionDetail1 = new CacheDeadLockDetectionDetail(j, "D" + j); |
| CacheDeadLockDetectionDetail cacheDeadLockDetectionDetail2 = new CacheDeadLockDetectionDetail(j + 1, "D" + (j + 1)); |
| cacheDeadLockDetectionDetail1.setMaster(cacheDeadLockDetectionMaster); |
| cacheDeadLockDetectionDetail2.setMaster(cacheDeadLockDetectionMaster); |
| em.persist(cacheDeadLockDetectionMaster); |
| em.persist(cacheDeadLockDetectionDetail1); |
| em.persist(cacheDeadLockDetectionDetail2); |
| } |
| } |
| |
| |
| public void setup() { |
| EntityManager em = emf.createEntityManager(); |
| try { |
| DatabaseSession session = ((EntityManagerImpl) em).getDatabaseSession(); |
| try { |
| session.executeNonSelectingSQL("DROP TABLE cachedeadlock_detail"); |
| } catch (Exception ignore) { |
| } |
| try { |
| session.executeNonSelectingSQL("DROP TABLE cachedeadlock_master"); |
| } catch (Exception ignore) { |
| } |
| try { |
| session.executeNonSelectingSQL("CREATE TABLE cachedeadlock_master (id integer NOT NULL, name varchar(200), PRIMARY KEY(id))"); |
| session.executeNonSelectingSQL("CREATE TABLE cachedeadlock_detail (id integer NOT NULL, id_fk integer , name varchar(200), PRIMARY KEY(id))"); |
| session.executeNonSelectingSQL("ALTER TABLE cachedeadlock_detail ADD CONSTRAINT fk_cachedeadlock_detail FOREIGN KEY ( id_fk ) REFERENCES cachedeadlock_master (ID)"); |
| } catch (Exception ignore) { |
| } |
| } finally { |
| if (em.getTransaction().isActive()) { |
| em.getTransaction().rollback(); |
| } |
| if (em.isOpen()) { |
| em.close(); |
| } |
| } |
| } |
| |
| private void verifyPersistenceProperties() { |
| assertEquals(1L, ConcurrencyUtil.SINGLETON.getAcquireWaitTime()); |
| assertEquals(2L, ConcurrencyUtil.SINGLETON.getMaxAllowedSleepTime()); |
| assertEquals(800L, ConcurrencyUtil.SINGLETON.getMaxAllowedFrequencyToProduceTinyDumpLogMessage()); |
| assertEquals(1000L, ConcurrencyUtil.SINGLETON.getMaxAllowedFrequencyToProduceMassiveDumpLogMessage()); |
| assertEquals(5L, ConcurrencyUtil.SINGLETON.getBuildObjectCompleteWaitTime()); |
| assertTrue(ConcurrencyUtil.SINGLETON.isAllowTakingStackTraceDuringReadLockAcquisition()); |
| assertTrue(ConcurrencyUtil.SINGLETON.isAllowConcurrencyExceptionToBeFiredUp()); |
| assertTrue(ConcurrencyUtil.SINGLETON.isAllowInterruptedExceptionFired()); |
| } |
| |
| private void verifySemaphoreProperties() { |
| assertEquals(1L, ConcurrencyUtil.SINGLETON.getAcquireWaitTime()); |
| assertEquals(2L, ConcurrencyUtil.SINGLETON.getMaxAllowedSleepTime()); |
| assertEquals(1000L, ConcurrencyUtil.SINGLETON.getMaxAllowedFrequencyToProduceTinyDumpLogMessage()); |
| assertEquals(2000L, ConcurrencyUtil.SINGLETON.getMaxAllowedFrequencyToProduceMassiveDumpLogMessage()); |
| assertTrue(ConcurrencyUtil.SINGLETON.isAllowTakingStackTraceDuringReadLockAcquisition()); |
| assertTrue(ConcurrencyUtil.SINGLETON.isAllowConcurrencyExceptionToBeFiredUp()); |
| assertTrue(ConcurrencyUtil.SINGLETON.isAllowInterruptedExceptionFired()); |
| assertTrue(ConcurrencyUtil.SINGLETON.isUseSemaphoreInObjectBuilder()); |
| assertEquals(5L, ConcurrencyUtil.SINGLETON.getNoOfThreadsAllowedToObjectBuildInParallel()); |
| assertTrue(ConcurrencyUtil.SINGLETON.isUseSemaphoreToLimitConcurrencyOnWriteLockManagerAcquireRequiredLocks()); |
| assertEquals(6L, ConcurrencyUtil.SINGLETON.getNoOfThreadsAllowedToDoWriteLockManagerAcquireRequiredLocksInParallel()); |
| assertEquals(7L, ConcurrencyUtil.SINGLETON.getConcurrencySemaphoreMaxTimePermit()); |
| assertEquals(8L, ConcurrencyUtil.SINGLETON.getConcurrencySemaphoreLogTimeout()); |
| } |
| } |