| /* |
| * 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.performance.reading; |
| |
| import java.util.*; |
| import org.eclipse.persistence.queries.*; |
| import org.eclipse.persistence.sessions.*; |
| import org.eclipse.persistence.testing.models.performance.Address; |
| import org.eclipse.persistence.testing.framework.*; |
| |
| /** |
| * This test compares the performance of read all vs reading directly from a result-set. |
| */ |
| public class ReadAllvsReadAllFromResultSet extends PerformanceComparisonTestCase { |
| protected ReadAllQuery query; |
| protected ReadAllQuery resultSetQuery; |
| |
| public ReadAllvsReadAllFromResultSet() { |
| setDescription("This test compares the performance of read all vs reading directly from a result-set."); |
| addTest(readAllFromResultSet()); |
| } |
| |
| @Override |
| public void setup() { |
| query = new ReadAllQuery(Address.class); |
| resultSetQuery = new ReadAllQuery(Address.class); |
| resultSetQuery.setIsResultSetOptimizedQuery(true); |
| //getSession().getDescriptor(Address.class).setObjectChangePolicy(new AttributeChangeTrackingPolicy()); |
| } |
| |
| @Override |
| public void reset() throws Exception { |
| //getSession().getDescriptor(Address.class).setObjectChangePolicy(new DeferredChangeDetectionPolicy()); |
| } |
| |
| /** |
| * Read all address. |
| */ |
| @Override |
| public void test() throws Exception { |
| UnitOfWork unitOfWork = getSession().acquireUnitOfWork(); |
| unitOfWork.beginEarlyTransaction(); |
| List results = (List)unitOfWork.executeQuery(query); |
| unitOfWork.release(); |
| getSession().getIdentityMapAccessor().initializeAllIdentityMaps(); |
| } |
| |
| public PerformanceComparisonTestCase readAllFromResultSet() { |
| PerformanceComparisonTestCase test = new PerformanceComparisonTestCase() { |
| @Override |
| public void test() { |
| UnitOfWork unitOfWork = getSession().acquireUnitOfWork(); |
| unitOfWork.beginEarlyTransaction(); |
| List results = (List)unitOfWork.executeQuery(resultSetQuery); |
| unitOfWork.release(); |
| getSession().getIdentityMapAccessor().initializeAllIdentityMaps(); |
| } |
| }; |
| test.setName("ReadAllFromResultSet"); |
| return test; |
| } |
| } |