| /* |
| * Copyright (c) 1998, 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 from Oracle TopLink |
| package org.eclipse.persistence.testing.tests.identitymaps; |
| |
| import org.eclipse.persistence.internal.identitymaps.HardCacheWeakIdentityMap; |
| import org.eclipse.persistence.internal.identitymaps.IdentityMap; |
| import org.eclipse.persistence.sessions.*; |
| import org.eclipse.persistence.queries.*; |
| import org.eclipse.persistence.expressions.*; |
| import org.eclipse.persistence.testing.framework.*; |
| import org.eclipse.persistence.testing.models.employee.domain.*; |
| |
| /** |
| * Test to make sure the reference cache of HardCacheWeakIdentityMap is properly maintained. |
| * Although the way the maintenance takes place will be different for JDK 1.3 and JDK 1.4, |
| * the end result should be the same. |
| */ |
| public class HardCacheWeakIdentityMapTest extends TestCase { |
| protected Class<? extends IdentityMap> originalIdentityMapClass = null; |
| protected int originalIdentityMapSize = 0; |
| protected Employee firstEmployee = null; |
| protected Employee secondEmployee = null; |
| protected boolean firstEmployeeDropped = false; |
| protected boolean referenceCacheSizeMaintained = false; |
| public static final int REFERENCE_CACHE_SIZE = 10; |
| |
| public HardCacheWeakIdentityMapTest() { |
| } |
| |
| @Override |
| public void setup() { |
| originalIdentityMapClass = getSession().getDescriptor(Employee.class).getIdentityMapClass(); |
| originalIdentityMapSize = getSession().getDescriptor(Employee.class).getIdentityMapSize(); |
| getSession().getDescriptor(Employee.class).setIdentityMapClass(HardCacheWeakIdentityMap.class); |
| getSession().getDescriptor(Employee.class).setIdentityMapSize(REFERENCE_CACHE_SIZE); |
| getSession().getIdentityMapAccessor().initializeIdentityMaps(); |
| beginTransaction(); |
| } |
| |
| @Override |
| public void reset() { |
| rollbackTransaction(); |
| getSession().getDescriptor(Employee.class).setIdentityMapClass(originalIdentityMapClass); |
| getSession().getDescriptor(Employee.class).setIdentityMapSize(originalIdentityMapSize); |
| getSession().getIdentityMapAccessor().initializeIdentityMaps(); |
| } |
| |
| @Override |
| public void test() { |
| // insert and store two employees in a predictable order |
| UnitOfWork uow = getSession().acquireUnitOfWork(); |
| firstEmployee = new Employee(); |
| firstEmployee.setFirstName("Test0"); |
| firstEmployee.setLastName("Employee"); |
| uow.registerObject(firstEmployee); |
| uow.commit(); |
| |
| uow = getSession().acquireUnitOfWork(); |
| Employee secondEmployee = new Employee(); |
| secondEmployee.setFirstName("Test1"); |
| secondEmployee.setLastName("Employee"); |
| uow.registerObject(secondEmployee); |
| uow.commit(); |
| |
| // insert 9 more employees to fill the subcache |
| for (int i = 2; i < (REFERENCE_CACHE_SIZE + 1); i++) { |
| uow = getSession().acquireUnitOfWork(); |
| Employee employee = (Employee)uow.registerObject(new Employee()); |
| employee.setFirstName("Test" + i); |
| employee.setLastName("Employee"); |
| uow.commit(); |
| } |
| |
| HardCacheWeakIdentityMap map = (HardCacheWeakIdentityMap)getAbstractSession().getIdentityMapAccessorInstance().getIdentityMap(Employee.class); |
| referenceCacheSizeMaintained = (map.getReferenceCache().size() == REFERENCE_CACHE_SIZE); |
| firstEmployeeDropped = !map.getReferenceCache().contains(firstEmployee); |
| |
| // query the first employee to put him back in the sub cache |
| ReadObjectQuery query = new ReadObjectQuery(); |
| query.setReferenceClass(Employee.class); |
| ExpressionBuilder employee = new ExpressionBuilder(); |
| Expression exp = employee.get("firstName").equal("Test0"); |
| query.setSelectionCriteria(exp); |
| Employee queryResult = (Employee)getSession().executeQuery(query); |
| |
| referenceCacheSizeMaintained = (referenceCacheSizeMaintained && (map.getReferenceCache().size() == REFERENCE_CACHE_SIZE)); |
| } |
| |
| @Override |
| public void verify() { |
| HardCacheWeakIdentityMap map = (HardCacheWeakIdentityMap)getAbstractSession().getIdentityMapAccessorInstance().getIdentityMap(Employee.class); |
| |
| if (!referenceCacheSizeMaintained) { |
| throw new TestErrorException("The HardCacheWeakIdentityMap sub-cache was not correctly maintained. The reference cache size" + " was not correctly maintained."); |
| } |
| |
| if (!firstEmployeeDropped) { |
| throw new TestErrorException("The HardCacheWeakIdentityMap sub-cache was not correctly maintained. An object was not" + " correctly dropped when the sub-cache was filled."); |
| } |
| |
| if (!map.getReferenceCache().contains(firstEmployee)) { |
| throw new TestErrorException("The HardCacheWeakIdentityMap sub-cache was not correctly maintained. An object was not" + " correctly replaced when reread after being removed."); |
| |
| } |
| |
| if (map.getReferenceCache().contains(secondEmployee)) { |
| throw new TestErrorException("The HardCacheWeakIdentityMap sub-cache was not correctly maintained. An object was not" + " correctly removed when an object was reread."); |
| } |
| } |
| } |