| /* |
| * 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.java; |
| |
| import java.lang.reflect.*; |
| //import sun.misc.Unsafe; |
| import org.eclipse.persistence.testing.framework.*; |
| |
| /** |
| * This test compares the performance for field reflection. |
| */ |
| public class FieldTest extends PerformanceComparisonTestCase { |
| protected Object variable; |
| |
| public FieldTest() { |
| setName("FieldAccess vs Reflection PerformanceComparisonTest"); |
| setDescription("This test compares the performance for field reflection."); |
| addSetMethodTest(); |
| addReflectionFieldTest(); |
| addReflectionMethodTest(); |
| //addUnsafeFieldTest(); |
| addAssignableSetTest(); |
| } |
| |
| /** |
| * Normal. |
| */ |
| @Override |
| public void test() throws Exception { |
| variable = new String("hello"); |
| } |
| |
| /** |
| * Set method. |
| */ |
| public void addSetMethodTest() { |
| PerformanceComparisonTestCase test = new PerformanceComparisonTestCase() { |
| protected Object variable; |
| |
| @Override |
| public void test() { |
| setVariable(new String("hello")); |
| } |
| |
| /** |
| * Normal. |
| */ |
| public void setVariable(Object value) { |
| variable = value; |
| } |
| }; |
| test.setName("SetMethodTest"); |
| addTest(test); |
| } |
| |
| /** |
| * Assignable set. |
| */ |
| public void addAssignableSetTest() { |
| PerformanceComparisonTestCase test = new PerformanceComparisonTestCase() { |
| protected Object variable; |
| |
| public Class object = Object.class; |
| |
| @Override |
| public void test() { |
| if (!this.getClass().isAssignableFrom(this.getClass())) { |
| throw new Error("Not assignable"); |
| } |
| String hello = new String("hello"); |
| if (!object.isAssignableFrom(hello.getClass())) { |
| throw new Error("Not assignable"); |
| } |
| variable = hello; |
| } |
| }; |
| test.setName("AssignableSetTest"); |
| addTest(test); |
| } |
| |
| /** |
| * Reflection method. |
| */ |
| public void addReflectionMethodTest() { |
| PerformanceComparisonTestCase test = new PerformanceComparisonTestCase() { |
| protected Object variable; |
| |
| public Method method; |
| |
| @Override |
| public final void test() { |
| if (method == null) { |
| Class[] argTypes = { Object.class }; |
| try { |
| method = getClass().getMethod("setVariable", argTypes); |
| } catch (Exception ignore) { |
| throw new Error(ignore.toString()); |
| } |
| } |
| try { |
| Object[] args = new Object[1]; |
| args[0] = new String("hello"); |
| method.invoke(this, args); |
| } catch (Exception ignore) { |
| throw new Error(ignore.toString()); |
| } |
| } |
| |
| /** |
| * Normal. |
| */ |
| public void setVariable(Object value) throws Exception { |
| variable = value; |
| } |
| }; |
| test.setName("ReflectionMethodTest"); |
| addTest(test); |
| } |
| |
| /** |
| * Reflection field. |
| */ |
| public void addReflectionFieldTest() { |
| PerformanceComparisonTestCase test = new PerformanceComparisonTestCase() { |
| protected Object variable; |
| |
| public Field field; |
| |
| @Override |
| public final void test() { |
| if (field == null) { |
| try { |
| field = getClass().getDeclaredField("variable"); |
| field.setAccessible(true); |
| } catch (Exception ignore) { |
| throw new Error(ignore.toString()); |
| } |
| } |
| try { |
| field.set(this, new String("hello")); |
| } catch (Exception ignore) { |
| throw new Error(ignore.toString()); |
| } |
| } |
| }; |
| test.setName("ReflectionFieldTest"); |
| addTest(test); |
| } |
| |
| /** |
| * Unsafe field. |
| * |
| public void addUnsafeFieldTest() { |
| PerformanceComparisonTestCase test = new PerformanceComparisonTestCase() { |
| public Field field; |
| public Object[] args; |
| |
| public final void test() { |
| try { |
| Unsafe.getUnsafe().putObject(this, 0L, new String("hello")); |
| } catch (Exception ignore) { |
| throw new Error(ignore.toString()); |
| } |
| } |
| }; |
| test.setName("UnsafeFieldTest"); |
| addTest(test); |
| }*/ |
| } |