| /* |
| * 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.expressions.*; |
| import org.eclipse.persistence.testing.models.performance.toplink.*; |
| import org.eclipse.persistence.testing.framework.*; |
| |
| /** |
| * This test compares the performance of read all vs in-memory read all. |
| */ |
| public class ReadAllvsInMemoryTest extends PerformanceComparisonTestCase { |
| protected List allObjects; |
| |
| public ReadAllvsInMemoryTest() { |
| setDescription("This test compares the performance of read all vs in-memory read all."); |
| addReadAllInMemoryTest(); |
| } |
| |
| /** |
| * Fill the cache. |
| */ |
| @Override |
| public void setup() { |
| allObjects = getSession().readAllObjects(Employee.class); |
| } |
| |
| /** |
| * Read all employees with salary {@literal >} 0. |
| */ |
| @Override |
| public void test() throws Exception { |
| ReadAllQuery query = new ReadAllQuery(Employee.class); |
| ExpressionBuilder builder = new ExpressionBuilder(); |
| query.setSelectionCriteria(builder.get("salary").greaterThan(0)); |
| List results = (List)getSession().executeQuery(query); |
| } |
| |
| /** |
| * Read all employees in-memory. |
| */ |
| public void addReadAllInMemoryTest() { |
| PerformanceComparisonTestCase test = new PerformanceComparisonTestCase() { |
| @Override |
| public void test() { |
| ReadAllQuery query = new ReadAllQuery(Employee.class); |
| ExpressionBuilder builder = new ExpressionBuilder(); |
| query.setSelectionCriteria(builder.get("salary").greaterThan(0)); |
| query.checkCacheOnly(); |
| List results = (List)getSession().executeQuery(query); |
| } |
| }; |
| test.setName("ReadAllInMemoryTest"); |
| test.setAllowableDecrease(2000); |
| addTest(test); |
| } |
| } |