package sort;

import net.sf.cglib.proxy.Enhancer;

import net.sf.cglib.proxy.MethodInterceptor;

import net.sf.cglib.proxy.MethodProxy;

import java.lang.reflect.Method;

import java.util.Arrays;

/**

* 运用代理模式运行时动态织入统计各个排序算法运行时间的代码

* 注意：被代理类的被代理方法必须是public

*/

public class TestProxy implements MethodInterceptor {

private Object object;

public TestProxy(Object object) {

this.object = object;

}

public Object newInstance() {

Enhancer enhancer = new Enhancer();

enhancer.setSuperclass(object.getClass());

enhancer.setCallback(this);

return enhancer.create();

}

public Object intercept(Object o, Method method, Object[] objects, MethodProxy methodProxy) throws Throwable {

if (method.getName().contains("solution")) {

long start = System.currentTimeMillis();

Object obj = methodProxy.invokeSuper(o, objects);

long end = System.currentTimeMillis();

System.out.println("排序花费时间 = " + (end - start));

System.out.println(Arrays.toString((int[]) objects[0]));

return obj;

}

return methodProxy.invokeSuper(o, objects);

}

}