To send notifications, I override the setAttribute() and invoke() methods and check whether a call matches one of my notification info descriptors. 为了发送通知,我覆盖了setAttribute()和invoke()方法并检查调用是否匹配我的通知信息描述符。
You could, of course, override that name should you feel the need to call the object something else. 当然,您可以根据需要重写该名称以调用其他对象。
However, if your application is able to restore view state manually after expiration, you can override this method at the page level and choose not to call the base implementation. 但是,如果应用程序能够在到期后手动还原视图状态,则它可以在页级别重写此方法并选择不调用基实现。
The container can override an abstract ( or concrete) method to return the result of performing a getBean() call at the time when the method is invoked. 容器能够重载一个抽象(或者具体)的方法来在方法被调用时返回执行getBean()调用的结果。