/*
* Copyright 2002-2005 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.aop.framework;
import junit.framework.TestCase;
import org.springframework.aop.support.DelegatingIntroductionInterceptor;
import org.springframework.beans.ITestBean;
import org.springframework.beans.TestBean;
import org.springframework.util.StopWatch;
/**
* Benchmarks for introductions.
*
* @author Rod Johnson
* @since 2.0
*/
public class IntroductionBenchmarkTests extends TestCase {
private static final int EXPECTED_COMPARE = 13;
/** Increase this if you want meaningful results! */
private static final int INVOCATIONS = 100000;
public void testBenchmarks() {
timeManyInvocations();
}
public static class SimpleCounterIntroduction extends DelegatingIntroductionInterceptor implements Counter {
public int getCount() {
return EXPECTED_COMPARE;
}
}
public static interface Counter {
int getCount();
}
protected long timeManyInvocations() {
StopWatch sw = new StopWatch();
TestBean target = new TestBean();
ProxyFactory pf = new ProxyFactory(target);
pf.setProxyTargetClass(false);
pf.addAdvice(new SimpleCounterIntroduction());
ITestBean proxy = (ITestBean) pf.getProxy();
Counter counter = (Counter) proxy;
sw.start(INVOCATIONS + " invocations on proxy, not hitting introduction");
for (int i = 0; i < INVOCATIONS; i++) {
proxy.getAge();
}
sw.stop();
sw.start(INVOCATIONS + " invocations on proxy, hitting introduction");
for (int i = 0; i < INVOCATIONS; i++) {
counter.getCount();
}
sw.stop();
sw.start(INVOCATIONS + " invocations on target");
for (int i = 0; i < INVOCATIONS; i++) {
target.getAge();
}
sw.stop();
System.out.println(sw.prettyPrint());
return sw.getLastTaskTimeMillis();
}
}