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package testproxy;
import java.io.Serializable;
import java.lang.reflect.Method;
/**
import net.sf.cglib.proxy.CallbackFilter;
import net.sf.cglib.proxy.Enhancer;
import net.sf.cglib.proxy.InvocationHandler;
import net.sf.cglib.proxy.NoOp;
*/
import javassist.util.proxy.MethodFilter;
import javassist.util.proxy.MethodHandler;
import javassist.util.proxy.ProxyFactory;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import junit.textui.TestRunner;
public class ProxyFactoryPerformanceTest extends TestCase {
public static final int COUNT = 100;
public static final int MAX_THREADS = 30;
static Throwable error = null;
public ProxyFactoryPerformanceTest() {}
public ProxyFactoryPerformanceTest(String name) {
super(name);
}
public void testJavassist() throws Throwable {
callCreateClass("javassist", ProxyMaker.class);
}
/**
public void testCglib() throws Exception {
callCreateClass("cglib", EnhancerUser.class);
}
*/
public void callCreateClass(String translator, Class cl) throws Throwable {
error = null;
Thread[] threads = new Thread[MAX_THREADS];
for (int i = 0; i < threads.length; ++i) {
threads[i] = (Thread)cl.newInstance();
}
long time = System.currentTimeMillis();
for (int i = 0; i < threads.length; ++i) {
threads[i].start();
}
for (int i = 0; i < threads.length; ++i) {
threads[i].join();
}
time = System.currentTimeMillis() - time;
System.out.println("ProxyFactoryPerformanceTest: " + translator + " time: " + time);
if (error != null)
throw error;
}
public static Test suite() {
return new TestSuite(ProxyFactoryPerformanceTest.class);
}
public static void callOnce() {
try {
Thread t = new ProxyMaker();
t.start();
t.join();
}
catch (InterruptedException e) {
e.printStackTrace();
}
System.out.println("** Done");
}
public static void main(String[] args) {
// callOnce();
ProxyFactory.useCache = args.length == 0;
TestRunner.run(suite());
}
}
class ProxyMaker extends Thread implements MethodHandler {
private static final MethodFilter FINALIZE_FILTER = new MethodFilter() {
public boolean isHandled(Method m) {
// skip finalize methods
return !( m.getParameterTypes().length == 0 && m.getName().equals( "finalize" ) );
}
};
public void run() {
for (int i = 0; i < ProxyFactoryPerformanceTest.COUNT; ++i) {
callCreateClass();
}
}
public void callCreateClass() {
try {
ProxyFactory factory = new ProxyFactory();
factory.setSuperclass(SampleBean.class);
factory.setInterfaces(SampleBean.class.getInterfaces());
factory.setFilter(FINALIZE_FILTER);
// factory.setHandler(this);
Class proxyClass = factory.createClass();
//System.out.println("proxy name: " + proxyClass.getName());
} catch (Throwable e) {
e.printStackTrace();
ProxyFactoryPerformanceTest.error = e;
}
}
public Object invoke(Object arg0, Method arg1, Method arg2, Object[] arg3) throws Throwable {
return null;
}
}
/**
class EnhancerUser extends Thread implements InvocationHandler {
private static final CallbackFilter FINALIZE_FILTER = new CallbackFilter() {
public int accept(Method method) {
if ( method.getParameterTypes().length == 0 && method.getName().equals("finalize") ){
return 1;
}
else {
return 0;
}
}
};
public void run() {
for (int i = 0; i < ProxyFactoryPerformanceTest.COUNT; ++i) {
callCreateClass();
}
}
public void callCreateClass() {
try {
Enhancer enhancer = new Enhancer();
enhancer.setSuperclass(SampleBean.class);
enhancer.setInterfaces(SampleBean.class.getInterfaces());
enhancer.setCallbackTypes(new Class[] { InvocationHandler.class, NoOp.class });
enhancer.setCallbackFilter(FINALIZE_FILTER);
enhancer.setInterceptDuringConstruction(false);
// TODO
enhancer.setUseCache(false);
enhancer.setUseFactory(false);
Class proxyClass = enhancer.createClass();
//System.out.println("proxy name: " + proxyClass.getName());
} catch (Exception e) {
e.printStackTrace();
}
}
public Object invoke(Object arg0, Method arg1, Object[] arg2) throws Throwable {
return null;
}
}
*/
class SampleBean implements Serializable {
long oid;
int version;
SampleBean bean;
public void setOid(long _oid) {
oid = _oid;
}
public long getOid() {
return oid;
}
public void setVersion(int _ver) {
version = _ver;
}
public int getVersion() {
return version;
}
public void setBean(SampleBean _bean) {
bean = _bean;
}
public SampleBean getBean() {
return bean;
}
}
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