Once this flag has been set, the module leverages a hook method.
一旦设置了这个标志，模块利用一个hook方法。
At the end of the hook method, I invoke the original method call on the decorated object using my new argument list.
在钩子方法的结束部分，我使用新参数列表对修饰对象调用原始方法。
A field's hook method is named _set_ [field name] , and it gets called whenever a value is about to be set for that field, whether as part of a create operation or an update operation.
字段的钩子方法命名为_ set _ [fieldname]，不管是作为create操作还是update操作的一部分，每当要为该字段设置一个值时，都会调用该方法。
Demonstrates every lifecycle hook. Each hook method writes to the on-screen log.
展示每个生命周期钩子，每个钩子方法都会在屏幕上显示一条日志。
Demonstrates every lifecycle hook. Each hook method writes to the on-screen log.
展示每个生命周期钩子，每个钩子方法都会在屏幕上显示一条日志。
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