几个动态代理Proxy工具性能比较

public class ProxyPerformanceComparison2 {
	public static void main(String[] args) throws Exception {
		Callable<Integer> jdkProxy = (Callable<Integer>) Proxy.newProxyInstance(ClassLoader.getSystemClassLoader(), new Class[] { Callable.class },
				new JdkHandler(new Counter()));

		ProxyFactory f = new ProxyFactory();
		f.setInterfaces(new Class[] { Callable.class });
		Class c = f.createClass();

		Callable<Integer> cglibProxy = (Callable<Integer>) c.newInstance();
		((ProxyObject) cglibProxy).setHandler(new JavaAssitInterceptor(new Counter()));

		for (int i2 = 0; i2 < 10; i2++) {
			iterate(jdkProxy, "JDK Proxy: ");
			iterate(cglibProxy, "JAVAASSIST:     ");

			System.err.println();
		}
	}

	static final DecimalFormat format = new DecimalFormat();

	static void iterate(Callable<Integer> callable, String label) throws Exception {
		int count = 10000000;
		long time = System.currentTimeMillis();
		int total = 0;
		for (int i = 0; i < count; i++) {
			total += callable.call();
		}
		time = System.currentTimeMillis() - time;
		System.err.println(label + format.format(count * 1000 / time) + " calls/s");
	}

	static class JdkHandler implements InvocationHandler {

		final Object delegate;

		JdkHandler(Object delegate) {
			this.delegate = delegate;
		}

		public Object invoke(Object object, Method method, Object[] objects) throws Throwable {
			return method.invoke(delegate, objects);
		}
	}

	static class JavaAssitInterceptor implements MethodHandler {

		final Object delegate;

		JavaAssitInterceptor(Object delegate) {
			this.delegate = delegate;
		}

		public Object invoke(Object self, Method m, Method proceed, Object[] args) throws Throwable {
			return m.invoke(delegate, args);
		}
	}

	static class Counter implements Callable<Integer> {
		int count = 0;

		public Integer call() throws Exception {
			return count++;
		}
	}
}

<p class="indent">