public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {
if (bean instanceof AopInfrastructureBean) {
// Ignore AOP infrastructure such as scoped proxies.
return bean;
}
Class<?> targetClass = AopUtils.getTargetClass(bean);
if (targetClass == null) {
// Can't do much here.
return bean;
}
if (AopUtils.canApply(this.asyncAnnotationAdvisor, targetClass)) {
if (bean instanceof Advised) {
((Advised) bean).addAdvisor(this.asyncAnnotationAdvisor);
return bean;
} else {
ProxyFactory proxyFactory = new ProxyFactory(bean);
// Copy our properties (proxyTargetClass etc) inherited from ProxyConfig.
proxyFactory.copyFrom(this);
proxyFactory.addAdvisor(this.asyncAnnotationAdvisor);
return proxyFactory.getProxy(this.beanClassLoader);
}
} else {
// No async proxy needed.
return bean;
}
}
public void afterPropertiesSet() {
if (this.target == null) {
throw new IllegalArgumentException("Property 'target' is required");
}
if (this.target instanceof String) {
throw new IllegalArgumentException(
"'target' needs to be a bean reference, not a bean name as value");
}
ClassLoader proxyClassLoader = target.getClass().getClassLoader();
ProxyFactory proxyFactory = new ProxyFactory();
if (this.preInterceptors != null) {
for (Object interceptor : this.preInterceptors) {
proxyFactory.addAdvisor(this.advisorAdapterRegistry.wrap(interceptor));
}
}
// Add the main interceptor (typically an Advisor).
proxyFactory.addAdvisor(this.advisorAdapterRegistry.wrap(createMainInterceptor()));
if (this.postInterceptors != null) {
for (Object interceptor : this.postInterceptors) {
proxyFactory.addAdvisor(this.advisorAdapterRegistry.wrap(interceptor));
}
}
proxyFactory.copyFrom(this);
TargetSource targetSource = createTargetSource(this.target);
proxyFactory.setTargetSource(targetSource);
if (this.proxyInterfaces != null) {
proxyFactory.setInterfaces(this.proxyInterfaces);
} else if (!isProxyTargetClass()) {
// Rely on AOP infrastructure to tell us what interfaces to proxy.
proxyFactory.setInterfaces(
ClassUtils.getAllInterfacesForClass(targetSource.getTargetClass(), proxyClassLoader));
}
/**
* use this option to let proxyFactory user cglib to create proxy,otherwise in dynamic script
* ,this is no dynamic interface 使用这个选荋 将使用cglib 产生代理类，否则在动动的java中，没有动态的接口
*/
proxyFactory.setOptimize(true);
this.proxy = proxyFactory.getProxy(proxyClassLoader);
}