| /* |
| * 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.internal.databaseaccess.DatabaseAccessor; |
| 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 object vs using parameterized SQL. |
| */ |
| public class ReadObjectvsParameterizedSQLTest extends PerformanceComparisonTestCase { |
| protected Employee employee; |
| protected ReadObjectQuery bindQuery; |
| protected ReadObjectQuery query; |
| |
| public ReadObjectvsParameterizedSQLTest() { |
| setDescription("This test compares the performance of read object vs using parameterized SQL."); |
| addReadObjectSameQueryTest(); |
| addReadObjectParameterizedSQLTest(); |
| addReadObjectParameterizedSQLSameQueryTest(); |
| addReadObjectPreparedStatementTest(); |
| addReadObjectDynamicTest(); |
| } |
| |
| /** |
| * Find any employee. |
| */ |
| @Override |
| public void setup() { |
| employee = (Employee)getSession().readObject(Employee.class); |
| |
| bindQuery = new ReadObjectQuery(Employee.class); |
| ExpressionBuilder builder = new ExpressionBuilder(); |
| bindQuery.setSelectionCriteria(builder.get("firstName").equal(builder.getParameter("firstName")).and(builder.get("lastName").equal(builder.getParameter("lastName")))); |
| bindQuery.addArgument("firstName"); |
| bindQuery.addArgument("lastName"); |
| bindQuery.bindAllParameters(); |
| bindQuery.cacheStatement(); |
| |
| query = new ReadObjectQuery(Employee.class); |
| builder = new ExpressionBuilder(); |
| query.setSelectionCriteria(builder.get("firstName").equal(builder.getParameter("firstName")).and(builder.get("lastName").equal(builder.getParameter("lastName")))); |
| query.addArgument("firstName"); |
| query.addArgument("lastName"); |
| } |
| |
| /** |
| * Read object. |
| */ |
| @Override |
| public void test() throws Exception { |
| getSession().getIdentityMapAccessor().removeFromIdentityMap(employee); |
| ReadObjectQuery query = new ReadObjectQuery(Employee.class); |
| ExpressionBuilder builder = new ExpressionBuilder(); |
| query.setSelectionCriteria(builder.get("firstName").equal(employee.getFirstName()).and(builder.get("lastName").equal(employee.getLastName()))); |
| getSession().executeQuery(query); |
| } |
| |
| /** |
| * Read object using same query. |
| */ |
| public void addReadObjectSameQueryTest() { |
| PerformanceComparisonTestCase test = new PerformanceComparisonTestCase() { |
| @Override |
| public void test() { |
| getSession().getIdentityMapAccessor().removeFromIdentityMap(employee); |
| Vector arguments = new Vector(2); |
| arguments.add(employee.getFirstName()); |
| arguments.add(employee.getLastName()); |
| getSession().executeQuery(query, arguments); |
| } |
| }; |
| test.setName("ReadObjectSameQueryTest"); |
| //test.setAllowableDecrease(5); - should be about same now because of expression parse cache |
| addTest(test); |
| } |
| |
| /** |
| * Read object using param SQL. |
| */ |
| public void addReadObjectParameterizedSQLTest() { |
| PerformanceComparisonTestCase test = new PerformanceComparisonTestCase() { |
| @Override |
| public void test() { |
| getSession().getIdentityMapAccessor().removeFromIdentityMap(employee); |
| ReadObjectQuery query = new ReadObjectQuery(Employee.class); |
| ExpressionBuilder builder = new ExpressionBuilder(); |
| query.setSelectionCriteria(builder.get("firstName").equal(employee.getFirstName()).and(builder.get("lastName").equal(employee.getLastName()))); |
| query.bindAllParameters(); |
| query.cacheStatement(); |
| getSession().executeQuery(query); |
| } |
| }; |
| test.setName("ReadObjectParameterizedSQLTest"); |
| test.setAllowableDecrease(30); |
| addTest(test); |
| } |
| |
| /** |
| * Read object using param SQL using same query. |
| */ |
| public void addReadObjectParameterizedSQLSameQueryTest() { |
| PerformanceComparisonTestCase test = new PerformanceComparisonTestCase() { |
| @Override |
| public void test() { |
| getSession().getIdentityMapAccessor().removeFromIdentityMap(employee); |
| Vector arguments = new Vector(2); |
| arguments.add(employee.getFirstName()); |
| arguments.add(employee.getLastName()); |
| getSession().executeQuery(bindQuery, arguments); |
| } |
| }; |
| test.setName("ReadObjectParameterizedSQLSameQueryTest"); |
| test.setAllowableDecrease(40); |
| addTest(test); |
| } |
| |
| /** |
| * Read object using old prepared statements. |
| */ |
| public void addReadObjectPreparedStatementTest() { |
| PerformanceComparisonTestCase test = new PerformanceComparisonTestCase() { |
| @Override |
| public void test() { |
| DatabaseAccessor.shouldUseDynamicStatements = false; |
| getSession().getIdentityMapAccessor().removeFromIdentityMap(employee); |
| ReadObjectQuery query = new ReadObjectQuery(Employee.class); |
| query.dontBindAllParameters(); |
| ExpressionBuilder builder = new ExpressionBuilder(); |
| query.setSelectionCriteria(builder.get("firstName").equal(employee.getFirstName()).and(builder.get("lastName").equal(employee.getLastName()))); |
| getSession().executeQuery(query); |
| DatabaseAccessor.shouldUseDynamicStatements = true; |
| } |
| }; |
| test.setName("ReadObjectPreparedStatementTest"); |
| test.setAllowableDecrease(-30); |
| addTest(test); |
| } |
| |
| /** |
| * Read object using binding only. |
| */ |
| public void addReadObjectDynamicTest() { |
| PerformanceComparisonTestCase test = new PerformanceComparisonTestCase() { |
| @Override |
| public void test() { |
| getSession().getIdentityMapAccessor().removeFromIdentityMap(employee); |
| ReadObjectQuery query = new ReadObjectQuery(Employee.class); |
| ExpressionBuilder builder = new ExpressionBuilder(); |
| query.setSelectionCriteria(builder.get("firstName").equal(employee.getFirstName()).and(builder.get("lastName").equal(employee.getLastName()))); |
| query.dontBindAllParameters(); |
| getSession().executeQuery(query); |
| } |
| }; |
| test.setName("ReadObjectDynamicTest"); |
| test.setAllowableDecrease(-20); |
| addTest(test); |
| } |
| } |