OAuth2Initializer.java 文件源码

private DefaultTokenServices txProxiedTokenServices(DefaultTokenServices tokenServices, DataSource dataSource) {
    AnnotationTransactionAttributeSource attrSource = new AnnotationTransactionAttributeSource();
    DataSourceTransactionManager txManager = new DataSourceTransactionManager(dataSource);
    TransactionInterceptor txInterceptor = transactionInterceptor(attrSource, txManager);
    BeanFactoryTransactionAttributeSourceAdvisor txAdvisor = transactionAdvisor(attrSource, txInterceptor);
    ClassLoader classLoader = ClassUtils.getDefaultClassLoader();

    ProxyFactory proxyFactory = new ProxyFactory(tokenServices);
    proxyFactory.addAdvice(txInterceptor);
    proxyFactory.addAdvisor(txAdvisor);
    proxyFactory.setInterfaces(
        ClassUtils.getAllInterfacesForClass(
            new SingletonTargetSource(tokenServices).getTargetClass(), classLoader));

    return (DefaultTokenServices) proxyFactory.getProxy(classLoader);
}