private ITestBean getIntroductionAdvisorProxy(TestBean target) {
ProxyFactory pf = new ProxyFactory(new Class<?>[] {ITestBean.class});
pf.setProxyTargetClass(true);
pf.addAdvisor(new LockMixinAdvisor());
pf.setTarget(target);
pf.setFrozen(true);
pf.setExposeProxy(false);
return (ITestBean) pf.getProxy();