/*
Pro Spring
By Rob Harrop
Jan Machacek
ISBN: 1-59059-461-4
Publisher: Apress
*/
///////////////////////////////////////////////////////////////////////////////////////
public interface ISimpleBean {
public void advised();
public void unadvised();
}
///////////////////////////////////////////////////////////////////////////////////////
public class SimpleBean implements ISimpleBean {
private long dummy = 0;
public void advised() {
dummy = System.currentTimeMillis();
}
public void unadvised() {
dummy = System.currentTimeMillis();
}
}
///////////////////////////////////////////////////////////////////////////////////////
import java.lang.reflect.Method;
import org.springframework.aop.MethodBeforeAdvice;
public class NoOpBeforeAdvice implements MethodBeforeAdvice {
public void before(Method method, Object[] args, Object target) throws Throwable {
// no-op
}
}
///////////////////////////////////////////////////////////////////////////////////////
import java.lang.reflect.Method;
import org.springframework.aop.support.StaticMethodMatcherPointcut;
public class TestPointcut extends StaticMethodMatcherPointcut {
public boolean matches(Method method, Class cls) {
return ("advised".equals(method.getName()));
}
}
///////////////////////////////////////////////////////////////////////////////////////
import org.springframework.aop.Advisor;
import org.springframework.aop.framework.Advised;
import org.springframework.aop.framework.ProxyFactory;
import org.springframework.aop.support.DefaultPointcutAdvisor;
public class ProxyPerfTest {
public static void main(String[] args) {
ISimpleBean target = new SimpleBean();
Advisor advisor = new DefaultPointcutAdvisor(new TestPointcut(),
new NoOpBeforeAdvice());
runCglibTests(advisor, target);
runCglibFrozenTests(advisor, target);
runJdkTests(advisor, target);
}
private static void runCglibTests(Advisor advisor, ISimpleBean target) {
ProxyFactory pf = new ProxyFactory();
pf.setTarget(target);
pf.addAdvisor(advisor);
ISimpleBean proxy = (ISimpleBean)pf.getProxy();
System.out.println("Running CGLIB (Standard) Tests");
test(proxy);
}
private static void runCglibFrozenTests(Advisor advisor, ISimpleBean target) {
ProxyFactory pf = new ProxyFactory();
pf.setTarget(target);
pf.addAdvisor(advisor);
pf.setFrozen(true);
ISimpleBean proxy = (ISimpleBean)pf.getProxy();
System.out.println("Running CGLIB (Frozen) Tests");
test(proxy);
}
private static void runJdkTests(Advisor advisor, ISimpleBean target) {
ProxyFactory pf = new ProxyFactory();
pf.setTarget(target);
pf.addAdvisor(advisor);
pf.setInterfaces(new Class[]{ISimpleBean.class});
ISimpleBean proxy = (ISimpleBean)pf.getProxy();
System.out.println("Running JDK Tests");
test(proxy);
}
private static void test(ISimpleBean bean) {
long before = 0;
long after = 0;
// test advised method
System.out.println("Testing Advised Method");
before = System.currentTimeMillis();
for(int x = 0; x < 500000; x++) {
bean.advised();
}
after = System.currentTimeMillis();;
System.out.println("Took " + (after - before) + " ms");
// testing unadvised method
System.out.println("Testing Unadvised Method");
before = System.currentTimeMillis();
for(int x = 0; x < 500000; x++) {
bean.unadvised();
}
after = System.currentTimeMillis();;
System.out.println("Took " + (after - before) + " ms");
// testing equals() method
System.out.println("Testing equals() Method");
before = System.currentTimeMillis();
for(int x = 0; x < 500000; x++) {
bean.equals(bean);
}
after = System.currentTimeMillis();;
System.out.println("Took " + (after - before) + " ms");
// testing hashCode() method
System.out.println("Testing hashCode() Method");
before = System.currentTimeMillis();
for(int x = 0; x < 500000; x++) {
bean.hashCode();
}
after = System.currentTimeMillis();;
System.out.println("Took " + (after - before) + " ms");
// testing method on Advised
Advised advised = (Advised)bean;
System.out.println("Testing Advised.getProxyTargetClass() Method");
before = System.currentTimeMillis();
for(int x = 0; x < 500000; x++) {
advised.getProxyTargetClass();
}
after = System.currentTimeMillis();;
System.out.println("Took " + (after - before) + " ms");
System.out.println(">>>\n");
}
}
ProxyPerfTest.zip( 1,481 k)