Proxy Perf Test : Spring Aspect « Spring « Java

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Java » Spring » Spring AspectScreenshots 
Proxy Perf Test


/*
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 targetthrows 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)
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